By Reciprocatory Heat Sealer Patents (Class 493/209)
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Patent number: 10807747Abstract: The method for packaging articles provides to form a tubular wrapping of thermosealable sheet material inside which the articles to be packaged are prearranged, regularly distanced, and to feed said tubular wrapping to a cut station at which grip means, suitable to grasp in succession said articles, operate. The transverse cut of the tubular wrapping is performed in suitable step relationship in the section upstream the article grasped by said grip means and the prepackaged article is transferred to a closure rotatable head for closing the package, rotatable at a plurality of operative stations. In a first operative station the bellows folding of the open ends of the portion of tubular wrapping containing the article is performed. Successively, the sealing of said bellows folded ends of the wrapping is performed to obtain the airtight closure of the package.Type: GrantFiled: December 20, 2013Date of Patent: October 20, 2020Assignee: AZIONARIA CONSTRUZIONI MACCHINE AUTOMATICHE A.C.M.A. S.P.A.Inventor: Mario Spatafora
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Patent number: 8555946Abstract: Disclosed is a apparatus for manufacturing pole-piece pockets, comprising a framework, an pole-piece supplying assembly, an pole-piece transporting and regulating assembly, a vertically thermal-welding assembly, a transversely thermal-welding assembly, a film clamping and drawing assembly, and a film cutting assembly for cutting the films. The vertically thermal-welding assembly comprises a press welding cutter having two blades for simultaneously welding the two lateral edges of the pole-piece pocket. The transversely thermal-welding assembly comprises a first thermal welding cutter for welding the base of the pole-piece pocket and a second thermal welding cutter for welding the opening of the pole-piece pocket. The press welding cutter has two blades so that the two lateral edges of a pole-piece pocket can be welded in just one welding operation. Thus, the parallelity and welding consistency of the welding joints can be ensured.Type: GrantFiled: September 21, 2009Date of Patent: October 15, 2013Assignee: Geesun Automation Technology Co., Ltd.Inventors: Chenghua Luo, Rukun Yang
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Patent number: 8458993Abstract: Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web.Type: GrantFiled: April 24, 2012Date of Patent: June 11, 2013Assignee: Delta Industrial Services, Inc.Inventors: David Schiebout, Jeffrey T. Bruin
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Patent number: 8349107Abstract: The embodiments of the invention relate to a method for creating a force for a welding jaw of a vertical tubular bag machine. The welding jaw is moved back and forth along a path to strike a second welding jaw moving in the opposite direction. A tubular film is compressed between the second jaw and at least one sealing surface of the welding jaws, to weld the tubular film by ultrasonic vibrations applied thereto via the sealing surface at an applied pressure under a sealing force (Fs) within a sealing time (ts). The sealing force (Fs) is predetermined by a control unit such that the sealing force (Fs) runs along a sealing force curve within the sealing time (ts). The sealing force curve has a first relative sealing force maximum (Fs1) and at least one second relative sealing force maximum (Fs2), wherein (Fs1) is lower than (Fs2).Type: GrantFiled: November 1, 2011Date of Patent: January 8, 2013Assignee: Rovema GmbHInventors: Sepp Lachenmaier, Harald Braun, Erhard Lutz
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Patent number: 8308881Abstract: The invention relates to a method for generating a welding force and/or a welding pressure for a welding jaw, in particular a welding jaw of a cross-sealing station of a vertical tubular bag machine, in which the sealing force or a sealing parameter, which correlates with the sealing force, in particular the sealing pressure or the drive power of the drive, is predetermined by a control unit during the sealing time, such that the sealing force runs along a sealing force curve within the sealing time, such that the sealing force curve has a first relative sealing force maximum with a sealing force and at least one second relative sealing force maximum with a sealing force, such that the sealing force at the first sealing force maximum is higher than the sealing force at the second sealing force maximum.Type: GrantFiled: November 1, 2011Date of Patent: November 13, 2012Assignee: Rovema GmbHInventors: Volker Dersch, Roland Kuhn, Erhard Lutz
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Patent number: 8281839Abstract: A coupled portion of mutual laminate films sufficiently contributes to the formation of a packaging bag in that the coupled portion itself has excellent air tightness and liquid tightness. The tensile strength required for the laminate film is given to the coupled portion, whereby a temporary stop of a packaging apparatus is useless when a connecting portion of the laminate film is passed through the apparatus, thereby enhancing the operation efficiency and improving the yield of the material. Oriented base film layers are joined in a mitre form at the coupled portion between a rear end portion and a front end portion of laminate films comprising oriented base film layers and sealant layers.Type: GrantFiled: April 28, 2011Date of Patent: October 9, 2012Assignee: Taisei Lamick Co., Ltd.Inventor: Katsunori Futase
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Patent number: 8171702Abstract: Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web.Type: GrantFiled: July 13, 2010Date of Patent: May 8, 2012Assignee: Delta Industrial Services, Inc.Inventors: David Schiebout, Jeffrey T. Bruin
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Publication number: 20110207589Abstract: A pouch machine includes an infeed section, a sealing section, and an outfeed section. The infeed section provides a pouch or laminate to the sealing section, and the outfeed section receives the sealed pouch from the infeed section. The sealing section includes at least one sealer that has a sealing fixture disposed to move in a first direction toward and away from a sealing position. A linear actuator is mounted to provide a controlled motion in a second direction, that is not the first direction. A linkage is connected between the linear actuator and the sealing fixture. The linkage translates the controlled motion of the actuator into controlled motion of the sealer. The linkage preferably multiplies force when the sealer is in the sealing position, and multiplies distance/velocity when the sealer is retracted. The sealing fixture preferably includes a die backing member and a sealing die. The die backing member has at least one clip mounted on it.Type: ApplicationFiled: February 24, 2010Publication date: August 25, 2011Applicant: CMD CorporationInventors: Daniel J. Moran, Peter T. Hunnicut
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Patent number: 7958924Abstract: The invention relates to an apparatus for producing a weld seam on a foil bag with an ultrasonic hammer and an anvil, preferably with a weld side directed towards the ultrasonic hammer, the weld side having a long projection, so that the foil material of the foil bag can be clamped between the projection and the ultrasonic hammer. Preferably, the projection has at least one depression running parallel to the projection. The invention furthermore relates to an apparatus for producing weld seams on foil bags, wherein more than one of the above apparatuses are arranged next to one another and can be activated synchronously.Type: GrantFiled: July 19, 2006Date of Patent: June 14, 2011Assignee: INDAG Gesellschaft für Industrisbedarf mbH & Co. Betriebs KGInventors: Hans-Peter Wild, Eberhard Kraft
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Patent number: 7896794Abstract: A first hanger and a second hanger are disposed on a working platform according to a hanging manufacturing apparatus for manufacturing an air enclosure, in which the first hanger is constituted by a first hanging frame and a plurality of first supporting arms and used for hanging a first hot sealing mold, the first hanging frame drives the first hot sealing mold on the plurality of first supporting arms to hot-seal an air cylinder film sheet while being moved to form a plurality of nodes on the air cylinder film sheet, and the second hanger is constituted by a second hanging frame and a plurality of second supporting arms and used for hanging a second hot sealing mold, the second hanging frame drives the second hot sealing mold on the plurality of second supporting arms to hot-seal the air cylinder film sheet while being moved to form a plurality of air cylinders on the air cylinder film sheet.Type: GrantFiled: July 30, 2008Date of Patent: March 1, 2011Inventors: Chieh Hua Liao, Yaw Shin Liao, Yao Chuan Liao
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Patent number: 7775018Abstract: Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web.Type: GrantFiled: January 20, 2009Date of Patent: August 17, 2010Assignee: Delta Industrial Services, Inc.Inventors: David Schiebout, Jeffrey T. Bruin
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Patent number: 7744516Abstract: A machine for the production of bags made of alveolar or foamed plastic material starting from at least one continuous web with superimposed flaps fed continuously to a heat-sealing assembly. The heat-sealing assembly is actuated according to a pendular motion in synchronism with continuous advance of the web, and is pre-arranged for carrying out, at the same time as heat-sealing, half-cuts on the web, which is then folded in concertina fashion by means of a lapper assembly at output from the machine.Type: GrantFiled: May 27, 2008Date of Patent: June 29, 2010Assignee: OFFMAR S.r.l.Inventors: Emiliano Matta, Luigi Matta
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Patent number: 7731645Abstract: The preset invention relates to a method, use of the method and a device for making a seal in a portion of a material web. The material web includes a first elongate section with a first number of layers of material and a second elongate section with a second number of layers of material, at least one of the layers of material being included in both the first and the second section, the portion having an extent that intersects a transition from the first section to the second section of the material web, the method including connecting, in the portion, opposite surfaces of the layers of material of the material web to each other. The method including forming ridges and valleys in the portion, and orienting the ridges and valleys in such a manner that they have an extent intersecting the transition.Type: GrantFiled: June 3, 2005Date of Patent: June 8, 2010Assignee: Eco Lean Research & Development A/SInventors: Per Gustavsson, Bengt Jönsson
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Patent number: 7726103Abstract: A resilient backing member for use in cooperation with an impulse heating element comprises a resilient body having a longitudinal shoulder surface and a longitudinal intermittent raised edge protruding from the shoulder surface. The resilient backing member is for use in cooperation with an impulse heating element for sealing layers of thermoplastic film together and for either forming a sealed portion on the film, a rupturable portion on the film or severing the film. Accordingly, the resilient backing member can be used on a pouch filling machine to produce a string of sealed pouches connected by a rupturable portion or a sealed portion, and filled with flowable material without the use of a separate cutting blade.Type: GrantFiled: November 15, 2007Date of Patent: June 1, 2010Assignee: Liqui-Box Canada Inc.Inventor: Stephan J. Chapougnot
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Patent number: 7665276Abstract: The disclosure relates to an apparatus for sealing a package. The apparatus comprises a sealing unit and an abutment between which a number of material layers are disposed to be clamped and sealed and fused together, wherein the abutment is connected to at least one elongate element which extends in a direction from the abutment towards and past the sealing unit, the elongate elements, beyond the sealing unit are disposed to be connected to at least one first operating element, and an operating unit is disposed to apply a force between the sealing unit and the first operating element so that these are moved in a direction away from one another and so that the abutment and the sealing unit are moved in a direction towards one another.Type: GrantFiled: November 12, 2004Date of Patent: February 23, 2010Assignee: Tetra Laval Holdings & Finance S.A.Inventors: Anders Delén, Jan Svensson
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Patent number: 7631473Abstract: A cutter-sealer (10) and a method (300) for cutting and sealing layers of film (70) together. The cutter-sealer (10) provides a heated blade (20), part of which moves through sheets of tautly held layers of film (70) into a slot defined by the seal pad (40). The blade's (20) motion is arrested by a set of blade shoulders (26) that press against the layers of film (70) for a period of time, thereby sealing the layers of film (70) together. The method (300) includes cutting layers of film (70) without liquefaction and sealing the newly cut edges of the layers of film (70) together, also without liquefaction of the layers of film (70).Type: GrantFiled: January 24, 2008Date of Patent: December 15, 2009Inventor: Thomas A. Nalle, III
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Patent number: 7497065Abstract: Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate and a servo motor to provide a linear motion of the seal plate with respect to the base. The device farther includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web.Type: GrantFiled: December 12, 2006Date of Patent: March 3, 2009Assignee: Delta Industrial Services, Inc.Inventors: David Schiebout, Jeffrey T. Bruin
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Patent number: 7404789Abstract: A machine (1) for making filter bags (4) of tetrahedral shape for infusion products comprises a revolving conveyor drum (15) driven by a first drive shaft (16) to feed a web (5) of filter paper along a path (P) on which there are positioned: a station (25) for feeding the filter paper web (5); a station (21) for feeding a succession of tags (6); a station (22) for feeding tie string (7) connecting the filter bags (4) to the respective tags (6); a station (23) for arranging the tie string (7) according to a defined pattern on the path (P); and a plurality of sealers (24) facing the path (P) to attach the tie string (7) and the tags (6) to the filter paper web (5).Type: GrantFiled: October 19, 2005Date of Patent: July 29, 2008Assignee: I.M.A. Industria Macchine Automatiche S.p.A.Inventors: Dario Rea, Sauro Rivola, Giorgio Manaresi
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Patent number: 7396321Abstract: A pouch packaging machine and method of selectively changing the orientation of a pouch packaging machine. The pouch packaging machine has at least one spool for holding at least one roll of packaging film material. The packaging film material advance through a press that joins the packaging film material together to form a pouch. The spools and press are supported on a common housing. The housing has a plurality of sides. Identical mounts are disposed on at least some of the sides of the housing. A base platform is provided. The mounts on the various sides of the housing are all configured to engage the base platform. This enables the housing of the pouch packaging machine to attach to the base platform in one of a multitude of possible orientations.Type: GrantFiled: September 23, 2006Date of Patent: July 8, 2008Inventor: Thomas Flanagan
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Patent number: 7389623Abstract: The sealing apparatus comprises (a) a heat seal jaw, (b) a heat seal bar having two heaters arranged in parallel, being provided in a front edge of said heat seal jaw and having a working surface, (c) a counter jaw disposed oppositely to the heat seal jaw, (d) a counter rail provided to said counter jaw and having the working surface, (e) a drive means for advancing/retracting the heat seal jaw and counter jaw relatively, (f) a heating means for actuating the heaters while clamping a packaging material by the working surface of the heat seal bar and the working of the counter rail and, (g) a cutter section comprising of a cutter disposed at the position between the two heaters and a resilient counter cutter, and is characterized in that the counter cutter is held by a holding section provided on the working surface of the heat seal bar or the counter rail and projecting from the holding working surface. The seal apparatus can improve hygiene and the flap formation of the packaging container.Type: GrantFiled: December 3, 2002Date of Patent: June 24, 2008Assignee: Tetra Laval Holdings & Finance S.A.Inventors: Keiji Yano, Kozo Yoshida, Takashige Yano
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Patent number: 7204794Abstract: A machine (1) for making filter bags (4) of tetrahedral shape for infusion products comprises a revolving conveyor drum (15) driven by a first drive shaft (16) to feed a web (5) of filter paper along a path (P) on which there are positioned: a station (25) for feeding the filter paper web (5); a station (21) for feeding a succession of tags (6); a station (22) for feeding tie string (7) connecting the filter bags (4) to the respective tags (6); a station (23) for arranging the tie string (7) according to a defined pattern on the path (P); and a plurality of sealers (24) facing the path (P) to attach the tie string (7) and the tags (6) to the filter paper web (5).Type: GrantFiled: November 12, 2003Date of Patent: April 17, 2007Assignee: I.M.A. Industria Macchine Automatiche S.p.A.Inventors: Dario Rea, Sauro Rivola, Giorgio Manaresi
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Patent number: 7174699Abstract: A combination sealing and cutting device comprising: an elongated anvil having an elongated slot therein; an elongated blade having a longitudinal aperture therein; a heating element in the longitudinal aperture; and an actuator mechanism for driving the blade toward and into the elongated slot to accomplish simultaneous sealing and cutting of overlying polymer films. According to various preferred embodiments, the combination sealing and cutting device further includes a pair of parallel flanges extending along both edges of the blade that serve to retain the blade; and film retaining beads along the longitudinal edges of the parallel flanges that serve to retain the plastic films being cut and sealed against the outer edges of the elongated slot.Type: GrantFiled: August 23, 2005Date of Patent: February 13, 2007Assignee: Bakery Holdings LLCInventors: Eric Wyman, Thomas Pearce, Mark Manzi, Roland Lomerson, Jr.
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Patent number: 7067037Abstract: A modular reciprocating heat seal jaw assembly is disclosed for sealing reclosable fastener strips to a web of thermoplastic film and for sealing the web of thermoplastic film into a series of reclosable bags. The jaw assembly includes first and second sealing jaws and means for slidably mounting the first and second sealing jaws on a first pair of parallel shafts near the lateral ends of the first and second sealing jaws in a horizontal configuration. A mechanical system is providing for selectively effecting reciprocal movement of the first and second sealing jaws together and apart as required. A modular frame is provided for supporting the first and second sealing jaws and the first and second pairs of parallel shafts and for maintaining the lateral and vertical position of the first and second sealing jaws as they are moved toward or away from each other. The modular frame and heat seal jaw assembly may be inserted into existing form-fill-seal machine to make them more efficient and accurate.Type: GrantFiled: November 2, 2002Date of Patent: June 27, 2006Assignee: Com-Pac International, IncInventors: Donald K. Wright, Christopher L. Pemberton, James K. Hankins
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Patent number: 6871476Abstract: A heat sealing and cutting mechanism to form a heat seal and a cut across a tube of flexible packaging material includes a carrier to contact the tube. A pair of closely spaced heat sealing bands are disposed on the carrier and are energizable to form closely spaced heat seals across the tube when the carrier is in contact with the tube. The heat sealing bands are configured to define temperature gradients along the heat sealing bands. A cutting wire is also disposed on the carrier and is positioned between the heat sealing bands. The cutting wire is energizable to cut the tube when the carrier is in contact with the tube.Type: GrantFiled: November 13, 2001Date of Patent: March 29, 2005Inventor: Stefan Tobolka
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Patent number: 6629917Abstract: A cross sealer for a plastic bag making machine includes a frame with an upper moveable seal bar unit and an opposed lower stationary seal bar unit. The movable unit is a lightweight construction seal beam. A rotating shaft spans the cross sealer and is connected by a plurality of eccentric linkages to the seal beam. The linkages moves a seal bar into sealing engagement across the width of the web to the seal bar unit constructed with a support beam and a seal bar connected to the beam. The seal bar unit is mounted as a substantially stationary unit during sealing and is supported by a plurality of air cylinder units for positioning from standby to an operating position. Each air cylinder unit includes an adjustable stop unit secured to the back of the cylinder unit and connected to the cylinder piston for adjusting the movement of the piston and thereby the operative sealing position of the stationary seal bar unit.Type: GrantFiled: June 1, 2001Date of Patent: October 7, 2003Assignee: Amplas, Inc.Inventors: Thomas G. Vanden Langenberg, Giles R. Blaser
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Patent number: 6564843Abstract: A fastener tape for use in the manufacture of reclosable plastic bags is provided. The fastener tape comprises an intermediate layer and a reclosable fastener profile thereon. The intermediate layer includes three layers of co-extruded plastic, with not more than 4% EVA as the outer two layers and HDPE as the middle layer. The intermediate layer is folded so as to bring portions of the intermediate layer into an opposing relationship. These opposing portions are then sealed together by a pair of seal bars. By carefully controlling the sealing temperature, a consistent peel seal is created between the opposing portions of the intermediate layer without the need for an adhesive.Type: GrantFiled: December 6, 2000Date of Patent: May 20, 2003Assignee: Illinois Tool Works Inc.Inventors: James Johnson, Daniel T. Sullivan, Jr.
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Patent number: 6422987Abstract: An apparatus is provided for producing recloseable bags (10). The recloseable opening (32) of the bags is surrounded by mutually opposite halves (20, 22) of a recloseable strip, these halves being firmly welded to mutually opposite bag walls (12, 14) and, at the ends, being welded to the two lateral longitudinal sealed seams (16) of the bag (10). The apparatus is characterized, on the one hand, by at least one inner sealing jaw (72) between the two bag walls (12, 14) in the crossover region of the longitudinal sealed seam (16) and recloseable strip (18), and, on the other hand, by at least one counter-jaw (82, 84) on the outside of a bag wall (12, 14). The counter-jaw is located opposite the inner sealing jaw (72) such that, between the inner sealing jaw (72) and the counter-jaw (82, 84), it is possible to position a bag wall (12, 14) by way of its crossover region and to press flat the relevant half (20, 22) of the recloseable strip (18) and weld the same to the bag wall (12, 14).Type: GrantFiled: November 19, 1998Date of Patent: July 23, 2002Assignee: Harro Hofliger Verpackungsmachinen GmbHInventor: Klaus Hamm
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Patent number: 6422986Abstract: A cross sealer for a bag making machine includes a frame with an upper seal bar unit and a lower seal bar unit in aligned opposed relation. One is movable seal bar unit which includes a rigid support beam of a lightweight construction and a light weight seal bar connected to the beam by a plurality of adjustable stud units for adjusting the position of the seal bar. A rotating shaft spans the cross sealer and is connected by a plurality of eccentric linkages to the beam between side plates of the frame. The linkages support the beam and seal bar and transfers the sealing force onto the beam and bar for moving the bar into sealing engagement across the width of the web. The opposed seal bar unit is similarly constructed with a beam and a seal bar with the units interconnected by adjustable stud connectors.Type: GrantFiled: October 19, 1999Date of Patent: July 23, 2002Assignee: Amplas, Inc.Inventors: Peter J. Claybaker, Thomas D. Driscoll, Giles R. Blaser
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Patent number: 6416453Abstract: The present invention relates to a “poly” bag machine and, more particularly, to mechanisms for operating the seal bar component of such machines. The machine according to the invention includes a mechanism for reciprocatingly raising and lowering the sealing bar in which the movement and position of the sealing bar are controlled by the drive shaft and are selectively adjustable by one or two separate servo-drives. A main link is coupled to a seal bar drive shaft for movement in direct response to its rotation. A second link is movably coupled to the main link. A servo-drive system including a servo motor or servo valve is coupled to the second link for adjusting the position of the second link with respect to the main link while the main link is moving in response to the rotation of the drive shaft.Type: GrantFiled: April 12, 2000Date of Patent: July 9, 2002Assignee: Ro-An Industries Corp.Inventors: John Simonetti, Peter Terranova
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Patent number: 6210308Abstract: The present invention relates to a sealing apparatus for sealing foil material, the apparatus comprising a foil conveying means and a sealing means including a sealing head which has at least one sealing position for performing the foil sealing operation, an intermediate position in which the sealing head has a predetermined distance from the sealing position, and an inoperative position in which the sealing head has a second predetermined distance from the sealing position that is greater than the first distance. Furthermore, the invention relates to a corresponding sealing method which can be carried out with the sealing apparatus, wherein the sealing head is removed from the foil material to a first distance during the further transporation of the foil material and is removed from the foil material to a second greater distance when the foil sealing operation is interrupted.Type: GrantFiled: May 24, 1999Date of Patent: April 3, 2001Assignees: Indag GmbH & Co., Betriebs-KGInventors: Hans-Peter Wild, Eberhard Kraft
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Patent number: 6190296Abstract: In an apparatus for machining a material web by means of a sonotrode, the pressure force of the sonotrode is determined and is used as a control signal for the advance of the sonotrode, as a result of which the nip height is set.Type: GrantFiled: December 3, 1998Date of Patent: February 20, 2001Assignee: Ultraschalltechnik GmbH & Co. KGInventors: Gerhard Gnad, Stefan Rau, Ulrich Vogler
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Patent number: 6117059Abstract: The method of manufacturing a filtration bag for a liquid comprises placing two flexible thermoplastic sheets adapted to filter a liquid upon one another, and welding the sheets together along a desired seam line by vibration welding using tool means which forcibly engage the superposed sheets along the desired seam line.Type: GrantFiled: November 7, 1998Date of Patent: September 12, 2000Assignee: Branson Ultrasonics CorporationInventors: John A. Besuyen, Richard K. Buckley, Eric J. Kuzniar, Sylvio J. Mainolfi
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Patent number: 6027438Abstract: An apparatus for inserting a dip strip within a flexible pouch. The apparatus has a first advance means for advancing a predetermined length of the dip strip material and a punch means for punching a hole in the material. The apparatus has a second advance means for advancing the strips of the flexible pouch material and an insertion means for inserting the dip strip material between the strips of the flexible material. The apparatus also includes a side sealing means for sealing a plurality of lateral lines along the strips of the flexible material and a cross sealing means for sealing the dip strip material between the strips of the flexible material in the vicinity of the dip strip hole such that a transverse seal line is created and the flexible pouch is formed.Type: GrantFiled: March 13, 1998Date of Patent: February 22, 2000Assignee: The Coca-Cola CompanyInventors: Steven G. Frazier, Hsar Hmun, Steven Gosling, Michael Coo
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Patent number: 5976300Abstract: The present invention provides a method for connecting rounded members between planar members comprising the steps of providing a rounded member having an outer layer having a first melting temperature range and an inner layer concentrically disposed within the outer layer and having a second melting temperature range, the second melting temperature range being warmer than the first melting temperature range, providing a pair of opposed planar members, the planar members each having a melting temperature within the first melting temperature range, positioning an end portion of the rounded member between perimeter edges of the pair of planar members to define an interface area, applying pressure to the interface area to collapse the end portion of the rounded member to essentially a flattened position, applying sealing energy to the interface area to heat the rounded member to a temperature within the first melting temperature range but below the second melting temperature range, thereby forming a weld betweenType: GrantFiled: December 15, 1997Date of Patent: November 2, 1999Assignee: Baxter International Inc.Inventors: Bradley Buchanan, Larry Rosenbaum, Sidney T. Smith
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Patent number: 5964688Abstract: A seal bar assembly which includes a support structure (21), and at least a first seal bar segment (22) and a second seal bar segment (23) mounted substantially parallel to each other on the support structure. The seal bar segments define a gap (28) therebetween. Each seal bar segment has two ends, with mounting means (26) positioned proximate to each end of both the first and second seal bar segments for mounting the ends of the seal bar segments to the support structure. The mounting means are adapted to permit one or both ends of each seal bar segment to move toward or away from the support structure, but the mounting means do not permit the seal bar segments to significantly move transversely with respect to each other. In this manner, the seal bar segments remain substantially parallel to each other, and the gap between the seal bar segments is maintained substantially constant.Type: GrantFiled: June 15, 1998Date of Patent: October 12, 1999Inventors: Clark M. Woody, Robert J. Nestle, Michael J. Staszak
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Patent number: 5934048Abstract: A pouch and a method and apparatus for forming an easy open pouch in a form-fill-seal process is disclosed. The apparatus includes a first bar; a means for cutting, housed within the first bar, the means for cutting including a main cutting blade having two ends, and a tear notch blade attached to the main cutting blade between the ends of the main cutting blade, the tear notch blade disposed at an angle to the longitudinal axis of the main cutting blade; a means for holding the means for cutting within the first bar; a second bar; and means for advancing the means for cutting from the first bar, and through the pouch material, and subsequently retracting the means for cutting from the pouch material, thereby severing the pouch material and cutting a tear notch in an upper transverse seal of a first pouch, and a lower transverse seal of a second pouch.Type: GrantFiled: April 29, 1997Date of Patent: August 10, 1999Assignee: Cryovac, Inc.Inventor: Donald L. Bouressa
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Patent number: 5885411Abstract: Disclosed in this description is a shrink wrap machine in which the majority of the machine's major components are modularly, and therefore detachably attached. The shrink wrap machine uses a counterweight on its sealing arm to bias the position and damp the motion of the arm.Type: GrantFiled: April 14, 1997Date of Patent: March 23, 1999Inventor: Melvin R. Latter
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Patent number: 5865941Abstract: A device for sealing plastics films, particularly in batch packages (10) comprises a sealing jaw (32) and a sealing surface (33) thereon. In order to avoid the adhesion of residues of the film on the sealing jaw (32) or its sealing surface (34) during sealing of sealable plastics film in packaging technology, the sealing jaw (32) or sealing surface (33) is protected by a cover comprising a polytetrafluoroethylene (sold under the trademark TEFLON) strip (34). This TEFLON strip is so disposed and designed that it may be moved on from time to time relative to the sealing jaw (32) or sealing surface (33), so that unused areas of the TEFLON strip (34) pass into the sealing position to the required extent.Type: GrantFiled: June 12, 1996Date of Patent: February 2, 1999Assignee: Focke & Co. (GmbH & Co.)Inventors: Heinz Focke, Burkhard Roesler
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Patent number: 5830118Abstract: Longitudinally spaced pairs of laterally spaced openings are formed in a web of material prior to the web being folded into a pouch having a gusset bottom, the holes enabling the side panels of each pouch to be heat-sealed directly together at the side margins of the pouch and in the area of the gussets. To enable the lateral spacing between the openings of each pair to be easily changed and to enable the openings to be located extremely close to the longitudinal centerline of the web, the openings are formed by punches supported by separate punch frames which may be independently adjusted in a direction laterally of the web. The punch frames also are adjustable relative to one another in a direction longitudinally of the web in order to enable the machine to make pouches of various widths.Type: GrantFiled: September 15, 1995Date of Patent: November 3, 1998Assignee: Klockner Bartelt, Inc.Inventor: John G. Nicholson
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Patent number: 5772565Abstract: A seal assembly for packaging machines facilitates the heat sealing of layers of material at the mouth of loaded bags. An operator may insert the layers of material between a pressure pad and a seal member positioned in a spaced position. Upon activation of a switch by the operator, an oscillating signal is applied to a solenoid to actuate movement of the pressure pad toward the seal member with a relatively soft force. An optical sensor senses when the pressure pad moves within a predetermined distance from the seal member and generates a sensor signal. In response to the sensor signal, a relatively constant voltage signal is applied to the solenoid to actuate movement of the pressure pad with a relatively high seal or clamping force to secure the layers of material against the seal member. The sensor signal also triggers energization of a heating element carried by the seal member to effectuate the heat seal between the layers of material.Type: GrantFiled: August 30, 1995Date of Patent: June 30, 1998Assignee: Automated Packaging Systems, Inc.Inventor: Ronald R. Weyandt
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Patent number: 5713181Abstract: A gabled carton is set forth that is comprised of a top gabled portion, a bottom gabled portion and a bottom fin extending from the bottom gabled portion. The bottom fin has a distal seal extending lengthwise along the bottom fin at a location between the bottom gabled portion and an outer edge. There is also a proximal seal on the bottom fin and it extends lengthwise along the bottom fin at a location between the bottom gabled portion and the distal seal. There is a relieved area on a central portion of the proximal seal. Both of the seals extend lengthwise along the entire length of the bottom fin. The proximal seal is shallower than the distal seal. The relieved area extends above and below the proximal seal and is centered on it.Type: GrantFiled: October 4, 1994Date of Patent: February 3, 1998Assignee: Tetra Laval Holdings & Finance S.A.Inventor: Peter Giacomelli
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Patent number: 5705026Abstract: This invention is a modular sealing machine. It is comprised of a base unit to which parts may be modularly added to customize the machine.Type: GrantFiled: April 10, 1995Date of Patent: January 6, 1998Inventor: Melvin R. Latter
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Patent number: 5662575Abstract: A method for continuously forming bags comprising continuous steps of heat-sealing a continuous tubular plastic film, such as a continuously formed inflation tube or the like, widthwise at given positions thereof while the tubular film is being conveyed, cutting sequentially the tubular film along the heat-seals into bag-shaped containers, and conveying the tubular film over a set distance to a following step while the heat-seals of the heat-sealed tubular film being press-held and cooled. Also the present invention relates to an apparatus for continuously forming bags for heat-sealing a continuous tubular plastic film, such as a continuously formed inflation tube or the like, widthwise at given positions thereof while the tubular film is being conveyed, and then cutting the tubular film along the heat-seals into bag-shaped containers.Type: GrantFiled: October 13, 1992Date of Patent: September 2, 1997Assignee: Kewpie Kabushiki KaishaInventors: Hisatoshi Saito, Masamitsu Yano, Satoshi Takane
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Patent number: 5620542Abstract: A method and apparatus for sealing a valved bag transported by a conveyor. The valved bag has a body with a longitudinal axis, a center of gravity, and a sealable valve. At least a portion of the sealable valve protrudes from the body in a substantially perpendicular orientation relative to the longitudinal access. The apparatus includes a conveyor for transporting the valved bag in a direction of travel substantially parallel to its longitudinal access. A stop member stops the transportation of the valved bag when the sealable valve is aligned with a sealing area. A ram member positions the valved bag to dispose at least a portion of the sealable valve into the sealing area. An ultrasonic horn and anvil engage and seal the sealable valve. The stop member is removed from the path of the sealed bag, allowing it to resume transportation along the conveyor.Type: GrantFiled: December 13, 1994Date of Patent: April 15, 1997Assignee: Stone Container CorporationInventors: Michael R. Avila, Robert G. Kelley, Don G. Giles, Jerry L. Aldridge
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Patent number: 5588944Abstract: The invention concerns an apparatus for welding the tubular sections of sacks, bags or the like, having a rotating drum and with welding stations arranged on the periphery of the drum which rotate, fixed in position, with the drum, wherein the welding stations are arranged laterally each on one end side of the drum. To ensure a crease-free processing of the tubular sections to be welded, grippers that can be caused to open and close are arranged on the drum in individual welding stations, for the seizing, holding and release of the tubular sections. A movable welding jaw of the welding station forms a flat bearing surface for the zone of the tubular section to be welded, while the drum itself, has a cylindrical peripheral surface.Type: GrantFiled: August 1, 1994Date of Patent: December 31, 1996Assignee: Windmoller & HolscherInventors: Fritz Achelpohl, Hermann Sandmeier
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Patent number: 5575880Abstract: A method for forming an item by partially fusing selected portions of two sheets together. A non-heat-sensitive barrier sheet is inserted between two heat-sensitive sheets. The sheets are stamped with a die to fuse portions of the heat-sensitive sheets together remote from the barrier sheet. The barrier sheet and waste heat-sensitive sheet material is removed to leave the item. The method has particular application to stamping envelopes from a clear flexible vinyl material in a single continuous stamping operation.Type: GrantFiled: November 8, 1994Date of Patent: November 19, 1996Inventor: Gerson Strassberg
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Patent number: 5571370Abstract: An apparatus for heat-sealing thermoplastic materials includes a sealing jaw with a groove in which a thermal strip is mechanically anchored. The flange portions of the jaw projecting on either side of the groove are compressed towards one another and toward the thermal strip to thereby anchor the thermal strip within the groove. The sealing jaw is manufactured from aluminum which has been surface anodized to create an electrically insulating layer between the body of the jaw and the thermal strip.Type: GrantFiled: June 7, 1995Date of Patent: November 5, 1996Assignee: Tetra Laval Holdings & Finance S.A.Inventors: Hans Selberg, Gyula Balla
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Patent number: 5398486Abstract: A tubular-bag packaging machine having at least one pair of cross-sealing jaws (25) which are supported on a holding device (15) movable vertically back and forth by means of a connecting rod (14) as well as horizontally through a four-bar mechanism comprising a crank disk (9) coupled with the connecting rod (14), and comprising side-fold-forming means (23, 24) which are supported on a guide element (18) movable transversely with respect to the direction of movement of a foil tube (41).Type: GrantFiled: June 7, 1993Date of Patent: March 21, 1995Assignee: Rovema Verpackungsmaschinen GmbHInventors: Wolfgang Kauss, Werner Schneider
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Patent number: 5282778Abstract: A method for making bags of synthetic material in which a tubular foil web of synthetic material is advanced in steps corresponding to the length of one bag. A continuously heated pair (11) of welding jaws grips the tubular foil web (3) of synthetic material prior to cutting and fixes the web in position. The tubular foil web (3) is then cut by means of the transverse cutting knife (10) before the heat of the pair (11) of welding jaws is completely transferred to the tubular foil web (3) of synthetic material. Then the heat is completely transferred to weld the bottom seam of the bag.Type: GrantFiled: September 17, 1991Date of Patent: February 1, 1994Assignee: Windmoller & HolscherInventor: Fritz Achelpohl
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Patent number: 5236543Abstract: An apparatus is described for welding the sealing seam (23) on a package (24) and which consists at least partially of synthetic plastics coated paper, with a welding tool comprising dies (25, 28) and counter-dies, a support and a drive means (1) for generating the pressure force.So that two welding tools (25, 25a) can be used and operated simultaneously and so that substantially the same pressure forces are available at both working stations, it is according to the invention envisaged that two welding dies be mounted on respective outer hollow shafts (7, 9) in such a way as to be rotatable about a common axis (2), each outer hollow shaft (7, 9) being rotationally rigidly connected to a common torsion spring (3) as part of the drive means (1) (at 14, 16, 17), the torsion spring (3) being driven from outside (at 11, 12).Type: GrantFiled: November 23, 1992Date of Patent: August 17, 1993Assignee: Tetra Alpha Holdings S.A.Inventor: Thomas Riedel