Impulse Heating Patents (Class 156/583.2)
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Patent number: 11542045Abstract: An apparatus is configured to make containers from sheet material. The apparatus includes a supply station for supplying a film having at least one folded portion having three or more film flaps folded and superimposed with respect to each other; a welding station configured to receive the film. The welding station comprises a welding head configured for welding the folded portion of the film and forming a container defining a housing compartment; the welding head comprises a heater made of electrically conductive material whose electrical resistivity, at least in a predetermined temperature range, decreases upon the increase of the temperature of the same electrically conductive material.Type: GrantFiled: May 23, 2019Date of Patent: January 3, 2023Assignee: Cryovac, LLCInventors: Stefano Capitani, Ivo Pascolo
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Patent number: 11390039Abstract: An impulse welding bar (10) for welding plastics films is provided with a detachable non-stick coating (20) which is held on lateral flanks (24) of the impulse welding bar (10). In order to facilitate the replacement of a worn non-stick coating (20), retaining elements (22) are provided which are made of two or more parts and which act in a form-fitting manner in order to detachably fasten the non-stick coating (20) to both flanks (24) of the impulse welding bar (10), wherein first parts (26) of the retaining elements (22) are arranged on the flanks (24) of the impulse welding bar (10) and second parts (36) of the retaining elements (22) are arranged on the non-stick coating (20).Type: GrantFiled: April 28, 2021Date of Patent: July 19, 2022Assignee: TOSS GmbH & Co. KG IndustrieprodukteInventor: Ramon Toss
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Patent number: 11214425Abstract: Disclosed is a method for inflating packaging airbags. The method for inflating the airbags include the steps of coupling an inflation port of the airbag to a nozzle of the inflation system, wherein a collar of the airbag adjacent to the inflation port lies between the cushions of the inflation system, the cushions are a part of pair of clamps. Thereafter the inflation system can be turned on resulting in clasping of the collar by the pair of clamps. The air compressor of the system operates to supply air under pressure to the airbag through the air pressure regulator. Once the airbag is inflated, the inflation system can be turned off, resulting in releasing of the pair of clamps, thus releasing the airbag.Type: GrantFiled: October 16, 2020Date of Patent: January 4, 2022Inventor: Michael G Kaminski
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Patent number: 10967600Abstract: A protective packaging formation device is provided herein. The device includes an inflation assembly having a fluid conduit that directs fluid between overlapping plies of a polymeric web. The device also includes a driving mechanism that drives the film in a downstream direction. The device also includes a sealing mechanism that includes a thin film heater that heats the plies to create a longitudinal seal that seals the plies of film together. The driving mechanism drives the web such that the web slides across the heating assembly in a downstream direction to trap fluid between the plies.Type: GrantFiled: March 30, 2017Date of Patent: April 6, 2021Assignee: Pregis Innovative Packaging LLCInventors: Thomas D. Wetsch, Paul F. Ostwald, William James Watts
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Patent number: 10759556Abstract: A vertical form fill and seal apparatus, for packaging particulates, includes a package sealing assembly that has opposed sealing jaws operatively coupled to each other by mechanical connection at a common pivot point. A first jaw actuator is mechanically coupled to the opposed sealing jaws to pivot the jaws in a controlled manner about the common pivot point. A second actuator is mechanically coupled to the package sealing assembly and is configured to impart controlled reciprocating motion to the package sealing assembly. A controller is configured to control the first actuator and to control the second actuator thereby causing the jaws to describe a preset locus of travel, allowing flexibility of type of bag being made without change-out of jaws. The packaging film may move continuously, or may optionally be controlled to move intermittently through the VFFS.Type: GrantFiled: December 21, 2016Date of Patent: September 1, 2020Assignees: Frito-Lay North America, Inc., Douglas Machine, Inc.Inventors: Patrick Joseph Bierschenk, Frank Mathew Brenkus, Ronald M. Gust
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Patent number: 10421567Abstract: The invention relates to a sealing bar for a vacuum drawer for the vacuuming of food, having a base support comprising at least one heating wire as well as having a frame part with an integrated non-stick coating, wherein the frame part is releasably fastenable to the base support.Type: GrantFiled: August 10, 2016Date of Patent: September 24, 2019Assignee: Michatek k.s.Inventors: Stefan Bocks, Florian Harlander, Peter Kopfensteiner
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Patent number: 8944127Abstract: A portable impulse welding assembly operable by an operator with a main air regulator receiving pressurized air for decreasing or maintaining air pressure to a first preset limit. A splitter simultaneously divides a first regulated air into first and second portions and a rod air regulator provides a first valve air to a first air flow conduit and a second air flow conduit. A pair of pneumatic cylinders mounted in the housing, each pneumatic cylinder having a rod, the pneumatic cylinders selectively receive air from the first air flow conduit to extend each rod from each pneumatic cylinder or receive air from the second air flow conduit causing each rod to retract into each pneumatic cylinder and a controller to control seal times and cool times and a laser pointer to ensure sealing accuracy.Type: GrantFiled: September 18, 2014Date of Patent: February 3, 2015Assignee: Envirocon Systems, Inc.Inventors: Gregory L. DeJarnett, Mohammed Ali Ahmad
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Publication number: 20140238600Abstract: A transfer press comprising a frame, an upper platen assembly having an induction heatable upper platen, a lower platen assembly attached to the frame. The lower platen assembly is disposed below the upper platen assembly, and an apparatus is attached to the frame and to the upper platen for moving the upper platen between a raised and lowered position relative to the lower platen and for pressing the upper platen against the lower platen. An induction heater is located adjacent the upper platen for heating the upper platen.Type: ApplicationFiled: February 26, 2013Publication date: August 28, 2014Inventor: John Edward MAHN
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Patent number: 8695673Abstract: The present invention provides a laminator with a corner cutter including a main body, a laminating device and a cutting device. The main body includes a receiving space. The main body is horizontally formed with an entering slot, an exiting slot, a penetrating groove and a corner-cutting recess. The main body having two lateral sides formed between the entering slot and the exiting slot, the corner-cutting recess being disposed at one of the lateral sides. The laminating device disposed in the receiving space includes two rolling rods, a driving portion and two heaters. The two rolling rods are heated by the two heating members. The driving portion drives the two rolling rods to rotate. The cutting device includes a pushing portion and a cutting portion. The cutting device is disposed at one side of the receiving space where corresponding to the corner-cutting recess.Type: GrantFiled: November 1, 2011Date of Patent: April 15, 2014Assignee: Apex Mfg. Co., Ltd.Inventor: Chih-Wei Hu
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Patent number: 8448685Abstract: An apparatus for bonding a first carbon composite to a second carbon composite through a reactant layer includes a housing, and a pair of conductive press plates electrically isolated from the housing. The press plates are adapted to position the two parts to be bonded with a reactant layer therebetween. The press plates are subjected to an electrical potential and a clamping force, sufficient to initiate a combustion reaction that creates a molten ceramic to bond together the carbon-carbon composites.Type: GrantFiled: March 2, 2011Date of Patent: May 28, 2013Assignees: Honeywell International Inc., University of Notre Dame du LacInventors: Allen H. Simpson, Slawomir T. Fryska, Mark L. La Forest, Roger L. Klinedinst, Alexander Mukasyan, Charles D. D'Amico
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Patent number: 8381790Abstract: The present invention describes an improved side-sealing machine for use with heat sealable films. Briefly, a cutting and sealing element is located between a set of cooperating guide and alignment members. The downstream guide and alignment member also includes a compression mechanism. This compression mechanism serves to compress the seal created upstream, and to draw the heat away from the film. In some embodiments, the downstream guide and alignment member also serves to separate the film into a surplus portion and a remaining portion, where only the remaining portion is subjected to compression.Type: GrantFiled: February 5, 2010Date of Patent: February 26, 2013Assignee: Shanklin CorporationInventors: Thomas P. Orsini, Joseph T. Powers, John A. Dextraze
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Patent number: 8365789Abstract: The invention relates to a laminating foil having an initial roughness on at least one side, which makes the laminating foil matte, wherein the laminating foil has a marking configured as a surface pattern with surface portions on the matte side or at least on one of the matte sides, wherein the roughness of the surface portions is different from the initial roughness. The invention furthermore relates to a laminating foil set comprising the laminating foils, a method for hot laminating sheet material using such laminating foils, a laminating unit for using the laminating foil, and eventually a laminating system including the laminating unit and the laminating foils.Type: GrantFiled: November 28, 2011Date of Patent: February 5, 2013Assignee: Monolith GmbH BuerosystemeInventor: Bernd Loibl
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Patent number: 8052036Abstract: A tab lead soldering apparatus soldering a tab lead to a front face and a rear face of a solar cell has a first pressing mechanism pressing the tab lead toward the front face of the solar cell, a second pressing mechanism pressing the tab lead toward the rear face of the solar cell rear face, a heat member and a support member provided to the first pressing mechanism and/or the second pressing mechanism to contact with the tab lead, a heat member shift mechanism shifting the heat member between a contact position to contact an end of the heat member with the tab lead and a separation position to separate the end of the heat member from the tab lead, and a support member shift mechanism shifting the support member between a contact position to contact an end of the support member with the tab lead and a separation position to separate the end of the support member from the tab lead.Type: GrantFiled: August 27, 2007Date of Patent: November 8, 2011Assignee: NPC IncorporatedInventor: Yoshiro Chikaki
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Patent number: 8029428Abstract: A machine and method for making bags is described and includes a web traveling from an input section to a rotary drum, to an output section. The rotary drum includes at least one seal bar, having a single sealing zone, and a weakening zone disposed within the single sealing zone. The single sealing zone may be a heated perforator, and may include a heating wire. The heating wire may be an NiCr wire stitched into the heater, and be disposed on a cap or on the seal bar. The weakening zone may create a line of weakness that is uniform or varies in intensity. The sealing zone may include temperature zones, cartridge heaters, cooling air, or heated air, or a source of ultrasonic, microwave or radiative energy.Type: GrantFiled: October 17, 2008Date of Patent: October 4, 2011Assignee: CMD CorporationInventors: Paul A. Selle, Gregory T. Prellwitz
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Patent number: 7861913Abstract: In a soldering method for mounting a semiconductor device on a wiring board, a plurality of solid-phase solders are provided between the semiconductor device and the wiring board, and are thermally melted to thereby produce a plurality of liquid-phase solders therebetween. A constant force is exerted on the liquid-phase solders by relatively moving the semiconductor device with respect to the wiring board so that an invariable gap is determined between the semiconductor device and the wiring board.Type: GrantFiled: September 19, 2008Date of Patent: January 4, 2011Assignee: NEC Electronics CorporationInventor: Shinichi Miyazaki
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Publication number: 20090133364Abstract: A sealer including a platen, a support assembly moveable relative to the platen, a guide clip connected to the support assembly, and a tooling assembly having a body defining a notch therein, wherein the notch is engageable by the guide clip to align the tooling assembly relative to the support assembly.Type: ApplicationFiled: November 27, 2007Publication date: May 28, 2009Inventor: William Michael Oliver
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Patent number: 7411162Abstract: Control system and apparatus for controlling current input to an electrical resistance element such as a seal wire. The system and apparatus of the present invention is a closed loop feedback modification to conventional systems, and takes advantage of the inherent expansion of the seal wire as it is heated. The feedback mechanism monitors both the actual current passing through the wire, and the length of the sealing wire, and adjusts the current applied to the wire, responsive to those monitored inputs. The usage of the sealing machine is also monitored and the application and amount of current flowing to the wire is varied based on this usage.Type: GrantFiled: December 26, 2006Date of Patent: August 12, 2008Assignee: Shanklin CorporationInventors: Michael A. Kalinowski, Mitchell W. Smith, Russell T. Christman, James L. Michaelian
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Patent number: 7087131Abstract: A method for producing information carriers in the form of cards, in particular credit cards, passes, identification cards, admittance cards etc., the laminating process including placing at least one card template which is to be sized, preferably a laminate consisting of a plurality of sized card layers, into a hollow mold and subjecting it to a simultaneous action of pressure and heat for a predetermined time. The material placed into the hollow mold is heated over at least one large area, as known per se by the use of heating plates, and in the peripheral, narrow, outer boundary region of the inserted material quantities of heat flowing off per se there are retained, blocked in, reflected and concentrated back onto the laminate template.Type: GrantFiled: August 27, 1999Date of Patent: August 8, 2006Assignee: Interlock AGInventor: Werner Vogt
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Patent number: 6965092Abstract: An apparatus and method and processing a semiconductor substrate that controls heating of the substrate to thereby control the depth of the junctions formed by impurities implanted in the semiconductor substrate by heating a device side of the semiconductor substrate to a reference temperature and heating the device side of the semiconductor substrate to a heat activation temperature that is greater than the reference temperature for an activation period, which provides sufficient energy to activate the impurities so that they become part of the lattice structure of the substrate while minimizing diffusion of the impurities across the substrate and reducing the temperature gradient in the substrate to minimize stress in the substrate.Type: GrantFiled: February 12, 2002Date of Patent: November 15, 2005Assignee: Hitachi Kokusai Electric, Inc.Inventor: Imad Mahawili
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Patent number: 6951996Abstract: Pulsed processing methods and systems for heating objects such as semiconductor substrates feature process control for multi-pulse processing of a single substrate, or single or multi-pulse processing of different substrates having different physical properties. Heat is applied a controllable way to the object during a background heating mode, thereby selectively heating the object to at least generally produce a temperature rise throughout the object during background heating. A first surface of the object is heated in a pulsed heating mode by subjecting it to at least a first pulse of energy. Background heating is controlled in timed relation to the first pulse. A first temperature response of the object to the first energy pulse may be sensed and used to establish at least a second set of pulse parameters for at least a second energy pulse to at least partially produce a target condition.Type: GrantFiled: December 29, 2003Date of Patent: October 4, 2005Assignee: Mattson Technology, Inc.Inventors: Paul J. Timans, Narasimha Acharya
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Patent number: 6822203Abstract: Control system and apparatus for controlling current input to an electrical resistance element such as a seal wire. The system and apparatus of the present invention is a closed loop feedback modification to conventional systems, and takes advantage of the inherent expansion of the seal wire as it is heated. When the seal wire expands to a predetermined length, a switch is triggered which interrupts at least a portion of the power supplied to the wire for heating. The interruption continues until the wire contracts to a length less than the predetermined length, whereupon the interruption ceases and heating of the wire resumes normal operation.Type: GrantFiled: September 20, 2002Date of Patent: November 23, 2004Assignee: Shanklin CorporationInventor: Kevin M. Hayward
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Patent number: 6799622Abstract: Bags for produce or the like are prepared by advancing a thermoplastic sheet and a mesh sheet, each having an upper edge, along a process line. The plastic sheet has a bottom portion which is folded to define a lower edge of the thermoplastic sheet at the fold line. One seals the folded portion of the solid-wall thermoplastic sheet to a lower edge of the mesh sheet. Transverse slits are then formed in the sheets, and the sheets are heat sealed together near edges of the slits to form separate bags between the slits. The slits extend across both lower edges of the bags, but are preferably spaced from the upper edges. One drops produce between the sheet upper edges into the bags, and the bags are then heat sealed adjacent to the upper edges thereof, and subsequently separated by cutting. A novel heat seal die is also shown.Type: GrantFiled: August 22, 2002Date of Patent: October 5, 2004Inventor: Michael J. Recchia, Jr.
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Patent number: 6719867Abstract: A heat sealing/severing device for heat sealing thermoplastic films together. The device includes front and rear opposing jaws that are moveable between an open position and a closed position. The open position defines a zone for inserting the thermoplastic films between the front and rear jaws. In the closed position, the front and rear jaws are proximate each other to compress the thermoplastic films together. The rear jaw includes a resilient portion facing the front jaw. The heating element of the device may have a cross-sectional thickness no less than 0.55 times the cross-sectional thickness of the resilient portion. A front jaw release sheet (e.g., an unreinforced fluoroplastic) may be positioned between the insertion zone and the heating element. The front jaw release sheet may engage the heating element when the front and rear jaws are in the closed position and disengage from the heating element when the front and rear jaws are in the open position.Type: GrantFiled: January 14, 2000Date of Patent: April 13, 2004Inventors: Robert J. Mileti, Daniel C. George
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Patent number: 6659150Abstract: A machine which inflates and seals pillows in packaging is compact in overall size, can be conveniently operated to produce varied lengths of strips of inflated pillow-type packaging as needed, can begin production of inflated pillow-type strip packaging immediately after being held out of a production cycle for some period of time, and applies a heated sealing element directly to and in sliding contact with a web of film to securely seal the inlet port of an inflated pillow while the pillow is under pressure and as the web of film is continuously and uninterruptedly advanced through the machine.Type: GrantFiled: August 14, 2000Date of Patent: December 9, 2003Assignee: Free-Flow Packaging International, Inc.Inventors: Andrew Perkins, Oliver M. Reyes, Philipp Borchard, Nicholas P. De Luca
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Patent number: 6656310Abstract: A heat sealing jaw assembly for effecting a heat seal of at least two juxtaposed heat sealable sheet materials is described. Preferably, but not exclusively, the heat sealing jaw assembly is adapted for use in a form, fill and seal machine forming thermoplastic bags. The heat sealing jaw assembly comprises a first and a second metal jaw member, each having a heating element for heating the jaw members. Each of the jaw members has an end face disposed in facial alignment with one another. A ribbon member is secured to each of the end faces and disposed in planar alignment with one another. The ribbon member is made of soft material having rubber-like properties and capable of conducting heat from the sealing jaw to a fusing temperature to melt the heat sealable sheet materials.Type: GrantFiled: June 11, 2001Date of Patent: December 2, 2003Assignee: Glopak Inc.Inventor: Roland Basque
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Patent number: 6575219Abstract: The invention relates to a method and a device for interlocking stackwise plastic bags, especially bags for automatic machines, by welding, wherein welding is effected by an interlocking device (21) integrated into the grip hand (17) of a robot (16) with the purpose of simplifying welding.Type: GrantFiled: February 23, 2001Date of Patent: June 10, 2003Assignee: Lemo Maschinenbau GmbHInventor: Peter Schulze
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Patent number: 6569283Abstract: An inflator/sealer machine useful for inflating and sealing an inflatable cushion having a resistance wire that extends across the inlet of the inflatable cushion. The machine includes an inflation tube, a seal bar, and an anvil. The inflation tube is connected to a source of inflation fluid and has an outlet that is larger than the inflation aperture of the inflatable cushion. The inflation tube and anvil are adjustable between a tube/anvil engaged position and a tube/anvil disengaged position. In the tube/anvil engaged position, the inflation tube outlet opposes the anvil and can engage the inflation aperture of the inflatable cushion between the inflation tube and the anvil to inflate the cushion. The seal bar and the anvil are adjustable between a bar/anvil engaged position and a bar/anvil disengaged position. In the bar/anvil engaged position, the anvil opposes the seal bar to compress the inlet heat seal zone of the inflatable cushion between the anvil and the seal bar.Type: GrantFiled: March 15, 2000Date of Patent: May 27, 2003Assignee: Sealed Air Corporation (US)Inventors: Charles R. Sperry, Suzanne M. Scott, James M. Corliss
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Patent number: 6544382Abstract: An apparatus and method for heating and cooling a polymer structure employs a tube structure. The tube structure includes a conductive tube and a conductive strip. The tube is composed of a first conductive material having a first electrical resistivity, and the strip is composed of a second conductive material having a second electrical resistivity less than the first resistivity. The strip is connected to only a portion of an outer surface of the tube and extends along a length of the tube. In the method, an impulse of electric current is passed through the tube structure until the strip is heated to a predetermined sealing temperature. The strip and the polymer structure are brought into contact with each other for a dwell time sufficient to generate a heat seal in the polymer structure. A cooling medium is passed through the tube to cool the strip to a predetermined release temperature that facilitates release of the strip from the polymer structure.Type: GrantFiled: November 15, 1999Date of Patent: April 8, 2003Assignee: Pactiv CorporationInventors: William P. Belias, Edward M. Bullard, Robert T. Maddock
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Patent number: 6501924Abstract: A method of manufacturing a developer container having an opening which is sealed with a sealing member includes the steps of forming a tear portion in the sealing member which is torn up when unsealing said opening, sandwiching the sealing member between an electrode and the developer container to cover the opening with the sealing member, and welding the sealing member onto the developer container by supplying an electric current to the electrode.Type: GrantFiled: July 18, 2001Date of Patent: December 31, 2002Assignee: Canon Kabushiki KaishaInventor: Toshiaki Nagashima
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Patent number: 6484775Abstract: An IC-card manufacturing apparatus includes paired press platens and a laminated-substrate sandwiching unit. Each of the press platens has a pressure-application surface. The laminated-substrate sandwiching unit includes upper and lower sandwiching members for sandwiching a laminated substrate in a sealed state. Each of the upper and lower sandwiching members has a plate portion equal in size and shape with the corresponding pressure-application surface or projecting outward from the pressure-application surface by a predetermined amount, a frame portion bigger than the plate portion, and a connection portion which connects the plate portion and the frame portion and absorbs thermal deformation of the plate portion.Type: GrantFiled: December 28, 2000Date of Patent: November 26, 2002Assignee: Nissei Plastic Industrial Co., Ltd.Inventor: Suinobu Kubota
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Patent number: 6392198Abstract: A sealing machine is comprised of a trough, a press plate, a pressure device, a heater element and a circuit board, wherein, the heater element is in the trough, an extension on one side at the middle section of the trough to accommodate the circuit board, a pivot on top of the extension to connect a handle of the press plate, a stick made of silicon rubber beneath the press plate to contact the heater element in the trough, the pressure device between the trough and the press plate to always hold the press plate against the heater element, the heater element having a semi-circular cross section and connected vertically a cooling electrode at its end, and the circuit board connected to the heater element including at least a surge absorption capacitor, a tantalum capacitor, diodes, a gate transistor, and a transistor to introduce a lower voltage for the use of the heater element.Type: GrantFiled: July 13, 2001Date of Patent: May 21, 2002Inventor: San-Ho Yao
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Publication number: 20020020505Abstract: A device for the strip-shaped heat sealing or welding of the inner walls composed of a thermoplastic material and lying on top of one another of tube sections that are lying flat is comprised of two heated, longitudinally extending heating jaws, which limit a gap between one another, of means for pressing the tube sections together in one region of the heating jaws, and of a conveyor device that moves the tube sections through the gap. In order to prevent the tube sections from becoming offset relative to their conveyor devices, these means comprise a pair of rolls mounted in the region of the heating jaws, whose rolls form a pressing throughput nip for each tube section.Type: ApplicationFiled: July 18, 2001Publication date: February 21, 2002Inventors: Martin Hohnhorst, Stefan Esslage, Juergen Steinberg, Ruediger Duwendag
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Patent number: 6336489Abstract: An improved vertical, vial, impulse heat sealing apparatus, the improvements including a light weight, precision milled frame with increased interchangability of component parts and increased structural strength, a more positive toggle system that eliminates misalignments and allows more stringent tolerances, a safety lock system to prevent operating personnel injury, improved stability and leverage efficiency, improved heat distribution, modular precision components for improved maintenance capability, improved terminal connector materials and method for installing replacement heater bands, improved connector-wire routing, provisions for precision shim plate adjustment specially adapted for use with proprietary vials arranged in three tandem units of five vials each, special designed precision vial holders, and an alternate embodiment provides a conversion package for converting existing apparatus for automatic operation and improved safety.Type: GrantFiled: June 1, 2000Date of Patent: January 8, 2002Inventor: Kent McGahhey
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Patent number: RE40288Abstract: A machine which inflates and seals pillows in packaging is compact in overall size, can be conveniently operated to produce varied lengths of strips of inflated pillow-type packaging as needed, can begin production of inflated pillow-type strip packaging immediately after being held out of a production cycle for some period of time, and applies a heated sealing element directly to and in sliding contact with a web of film to securely seal the inlet port of an inflated pillow while the pillow is under pressure and as the web of film is continuously and uninterruptedly advanced through the machine.Type: GrantFiled: December 16, 2005Date of Patent: May 6, 2008Assignee: Free-Flow Packaging International, Inc.Inventors: Andrew Perkins, Oliver M. Reyes, Philipp Borchard, Nicholas P. De Luca