For Permeable Package, E.g., Tea Bag Patents (Class 53/134.2)
  • Patent number: 10189602
    Abstract: A product tag comprising a sachet portion having a sealed interior, and an elastomer portion bonded to the sachet portion and having an expandable loop.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: January 29, 2019
    Assignee: Bedford Industries, Inc.
    Inventor: Curtis J. Heinrichs
  • Patent number: 9533776
    Abstract: A method and device for filling packages with a bulk cushioning material, in particular foam peanuts, where the cushioning material is conveyed to the package by a feed unit. In order to be able to easily fill the packages in an automated fashion, according to this invention, a measuring device is used to determine a volume of the package to be filled, a variable quantity of cushioning material is poured into a receiving container of the feed unit by a quantity-varying unit, and the poured quantity is poured into a package.
    Type: Grant
    Filed: September 16, 2011
    Date of Patent: January 3, 2017
    Assignees: B & W Solutions GmbH, Koteam Maschinenbua GmbH
    Inventor: Hans Konnerth
  • Patent number: 8500617
    Abstract: A method of manufacturing an extraction bag sheet including: (1) a step of placing and holding tags on a rotary supporting body at predetermined intervals; (2) threading a string into a continuous pattern on the circumferential surface of the rotary supporting body; (3) bonding the string to the tags; (4) supplying a water-permeable filter sheet onto the tags and the string; (5) bonding the water-permeable filter sheet to the string; and (6) bonding the water-permeable filter sheet to the tags. In the bonding steps of (3), (5), and (6), bonding heads are used which are moved reciprocally and oscillatingly about the center axis of the rotary supporting body and moved vertically relative to the circumferential surface of the rotary supporting body by an oscillation servo motor and a vertical movement servo motor.
    Type: Grant
    Filed: May 20, 2008
    Date of Patent: August 6, 2013
    Assignees: Tsubakimoto Kogyo Co., Ltd., Fabrica Toyama Corporation
    Inventors: Yoshiyuki Tsuji, Masahiro Sunada, Hiroshi Yamaguchi
  • Patent number: 8333050
    Abstract: A machine for making outer envelopes (101) in which a filter bag (103) for an infusion product is wrapped in an overwrapping (S) comprises: stations for making the filter bags (103), means (106) for moving the filter bag (103) towards a station (107) for wrapping a sheet (S) of overwrapping material around the filter bag (103); and a station (109) for closing longitudinal end edges (S1, S2) and a transversal end edge (S3) of the ā€œUā€-wrapped sheet (S) to form an outer envelope (101); the closing station (109) comprises a joining carrousel (110) equipped with a plurality of sealing elements (112) which are movable in rotation with the joining carrousel (110) and designed to receive respective single filter bags (103) with the folded overwrapping sheet (S) and to allow simultaneous closing of the longitudinal edges (S1, S2) and the transversal edge (S3) of the sheet (S).
    Type: Grant
    Filed: December 4, 2009
    Date of Patent: December 18, 2012
    Assignee: Ima Flavour S.R.L.
    Inventors: Dario Rea, Giacomo Noferini, Emanuele Rubbi
  • Patent number: 7950399
    Abstract: A pouched non-tobacco product includes a lined pouch material of a web and a water-soluble liner adjacent the web and a non-tobacco flavorful component contained within the lined pouch material. The water-soluble liner is interposed between the web and the non-tobacco flavorful component. The liner preferably reduces staining of the web by the non-tobacco flavorful component. Additionally, the liner may include a flavorant.
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: May 31, 2011
    Assignee: Philip Morris USA Inc.
    Inventors: Warren D. Winterson, Timothy D Cochran, Tommy C. Holland, Karen M. Torrence, Steve Rinehart, G. Robert Scott
  • Publication number: 20110047937
    Abstract: A method of manufacturing an extraction bag sheet including: (1) a step of placing and holding tags on a rotary supporting body at predetermined intervals; (2) threading a string into a continuous pattern on the circumferential surface of the rotary supporting body; (3) bonding the string to the tags; (4) supplying a water-permeable filter sheet onto the tags and the string; (5) bonding the water-permeable filter sheet to the string; and (6) bonding the water-permeable filter sheet to the tags. In the bonding steps of (3), (5), and (6), bonding heads are used which are moved reciprocally and oscillatingly about the center axis of the rotary supporting body and moved vertically relative to the circumferential surface of the rotary supporting body by an oscillation servo motor and a vertical movement servo motor.
    Type: Application
    Filed: May 20, 2008
    Publication date: March 3, 2011
    Applicants: TSUBAKIMOTO KOGYO CO., LTD., FABRICA TOYAMA CORPORATION
    Inventors: Yoshiyuki Tsuji, Masahiro Sunada, Hiroshi Yamaguchi
  • Publication number: 20090246324
    Abstract: An infusion device includes an infusion bag containing tea. A string is attached to the bag and a cover encloses the bag. The cover is perforated at the bottom to permit the user to remove the bag from the cover. The string is also attached to a detachable tab on the cover so that the bag can be drawn back up into the cover after brewing the tea.
    Type: Application
    Filed: June 16, 2008
    Publication date: October 1, 2009
    Inventor: Daniel M. Sluzas
  • Patent number: 7523595
    Abstract: A method for automatically attaching a draw string to an infusion bag, in which the draw string surrounds the infusion bag.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: April 28, 2009
    Assignee: Haussier & Sauter KG
    Inventor: Paul Gerhard Klar
  • Patent number: 7404789
    Abstract: 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: Grant
    Filed: October 19, 2005
    Date of Patent: July 29, 2008
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventors: Dario Rea, Sauro Rivola, Giorgio Manaresi
  • Patent number: 7401450
    Abstract: This invention concerns an infusion bag, especially for tea, which has a top part with folded down corners and a middle part folded over it, to which a string with two free ends is attached that goes from one side of the top part through a hole in the folded down parts forming a loop on the other side of the top part and comes back, whereby the two free ends are drawn up through the loop laid over the top edge of the infusion bag and pulled to form a knot. The solution in the invention is characterized by the fact that two holes are made in the top part at a lateral distance next to one another, on the left and right of the longitudinal axis of the bag; each hole goes through a folded down corner and the middle of the top part; by the fact that the string forms a loop and one end goes through one hole and the other end through the second hole; by the fact that the loop is laid over the top edge of the infusion bag, and both ends of the string go up through the loop to form a double knot.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: July 22, 2008
    Assignee: Teepack Spezialmaschinen GmbH & Co.KG
    Inventors: Wilhelm Lohrey, Stefan Lambertz, Manfred Hauers, Dieter Vits
  • Patent number: 7371297
    Abstract: A unit for sealing filter bags for products for infusion comprises at least: a shaped revolving roller (2) with circumferential and radial tracks (3, 4) that act as guides to make longitudinal and transversal contact seals on a web (5) of filter paper folded onto itself and moving under the roller (2), using sealing sonotrode means (6) arranged in sealing position under the roller (2) and close to the moving web (5) in such a way as to form) a tubular web of filter paper with a succession of substantially flattened filter bags formed on it; the sealing sonotrode means (6) being operated upon by fluid-driven means (7) designed to control, through appropriate means (8), the variable constituted) by the contact force and/or the distance between the sealing means (6) and the roller (2).
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: May 13, 2008
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Rodolfo Caroli
  • Patent number: 7299600
    Abstract: A device for sealing filter bags for products for infusion, where each filter bag is made from a flat web (1) of filter paper and has applied to it a tag (1b) and a tie string (1a) connecting the tag (1b) to the filter bag itself, comprises at least: a sealing sonotrode element (3) positioned so that it faces a first path (P) along which the flat web (1) is fed and so as to seal the string (1a), which is arranged according to a defined pattern, and the tags (1b) to each other and to the flat web (1) of filter paper'.
    Type: Grant
    Filed: July 15, 2004
    Date of Patent: November 27, 2007
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Rodolfo Caroli
  • Patent number: 7204794
    Abstract: 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: Grant
    Filed: November 12, 2003
    Date of Patent: April 17, 2007
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventors: Dario Rea, Sauro Rivola, Giorgio Manaresi
  • Patent number: 7188458
    Abstract: A machine (100) for making filter bags (1) of tetrahedral shape for infusion products (P) comprises a production line (L) defined by a series of operating stations (50, 9, 10, 14, 11, 12, 13) where filter bags (1) made from a continuous flattened tube (2) of filter paper are formed, filled with respective doses of infusion product (P) and subjected to successive cuts and closing seals (SL, ST, SC).
    Type: Grant
    Filed: October 6, 2003
    Date of Patent: March 13, 2007
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventors: Dario Rea, Sauro Rivola
  • Patent number: 7021025
    Abstract: A filter bag for containing a substance for infusion in a liquid comprises: a containment chamber with compartments for doses of the substance, sealed by top and bottom joins; a tag for picking up the bag; and a section of thread, wound around the outside of the containment chamber and extending along an outline of the chamber, one end of the thread being connected to the pick-up tag and the other to the top of the containment chamber. The section of thread is longer than the outline of the containment chamber to which it is attached. The excess length of the section of thread relative to the outline of the chamber is gathered on the outside of the containment chamber for the substance for infusion and is attached to the pick-up tag. A method for production of the filter bag is also part of the invention.
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: April 4, 2006
    Assignee: Tecnomeccanica S.r.l.
    Inventor: Andrea Romagnoli
  • Patent number: 6948292
    Abstract: A machine (100) that makes filter bags (1) containing a product for infusion in a liquid, comprises the following, arranged in succession: a unit (53) for preparing and feeding the materials used to make the filter bags; and at least: an assembly (54) for metering the infusion product; a forming unit (55); a dividing unit (56) and a unit (57) for cutting the filter bags (1). In the preparing and feeding unit (53) three separate filter bag materials, consisting of a web (17) of filter paper, a continuous thread (31), and a row of tags (6) are gradually brought together, while moving continuously, and first loops (10) are made in the thread (31) and gathered between the tags (6). The filter bags (1) are subsequently formed in the metering assembly (54), in the dividing unit (56) and in the cutting unit (57), which also operate with continuous motion.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: September 27, 2005
    Assignee: Tecnomeccanica S.r.l.
    Inventor: Andrea Romagnoli
  • Publication number: 20040226263
    Abstract: A machine (100) that makes filter bags (1) containing a product for infusion in a liquid, comprises the following, arranged in succession: a unit (53) for preparing and feeding the materials used to make the filter bags; and at least: an assembly (54) for metering the infusion product; a forming unit (55); a dividing unit (56) and a unit (57) for cutting the filter bags (1). In the preparing and feeding unit (53) three separate filter bag materials, consisting of a web (17) of filter paper, a continuous thread (31), and a row of tags (6) are gradually brought together, while moving continuously, and first loops (10) are made in the thread (31) and gathered between the tags (6). The filter bags (1) are subsequently formed in the metering assembly (54), in the dividing unit (56) and in the cutting unit (57), which also operate with continuous motion.
    Type: Application
    Filed: July 23, 2003
    Publication date: November 18, 2004
    Applicant: TECNOMECCANICA S.r.L.
    Inventor: Andrea Romagnoli
  • Patent number: 6807793
    Abstract: An apparatus for preparing and feeding materials used to make a filter bag for infusion products includes a revolving wheel having mechanisms arranged in succession thereon that are used for: forming filter bag pick-up tags and arranging them in order; feeding a continuous thread and forming first loops in the thread at regular intervals; delimiting separate faces on the tags and folding them onto each other so that the loops are held therebetween; joining the faces of each tag to each other; associating a web of filter paper to the edge of the revolving wheel and positioning it above the continuous thread and the tags connected to the thread; pushing a portion of the thread through the filter paper so as to form a second loop extending outward from the wheel.
    Type: Grant
    Filed: July 16, 2003
    Date of Patent: October 26, 2004
    Assignee: Tecnomeccanica S.r.l.
    Inventor: Andrea Romagnoli
  • Patent number: 6746699
    Abstract: This invention concerns an infusion bag, especially for tea, which has a top part with folded down corners and a middle part folded over it, to which a string with two free ends is attached that goes from one side of the top part through a hole in the folded down parts forming a loop on the other side of the top part and comes back, whereby the two free ends are drawn up through the loop laid over the top edge of the infusion bag and pulled to form a knot. The solution in the invention is characterized by the fact that two holes are made in the top part at a lateral distance next to one another, on the left and right of the longitudinal axis of the bag; each hole goes through a folded down corner and the middle of the top part; by the fact that the string forms a loop and one end goes through one hole and the other end through the second hole; by the fact that the loop is laid over the top edge of the infusion bag, and both ends of the string go up through the loop to form a double knot.
    Type: Grant
    Filed: June 5, 2001
    Date of Patent: June 8, 2004
    Assignee: Teepack Spezialmaschinen GmbH & Co. KG
    Inventors: Wilhelm Lohrey, Stefan Lambertz, Manfred Hauers, Dieter Vits
  • Patent number: 6725628
    Abstract: This invention relates to a process for the continuous production of beverage filter bags, especially tea bags with a hanging strip made from a carrier sheet material and with at least one pocket which consists of a filter material and is closed on all sides, contains at least one portion of a beverage substance, and is connected to the hanging strip; whereby individual beverage-substance portions are deposited in a row on a continuous web of filter paper, a sleeve is formed, at least one string of consecutive, contiguous pockets, each containing one portion of the substance, is produced by individually sealing them off with a transverse seam, said transverse seam including both the trailing seam of one pocket and the leading seam of the following pocket, with perforations between the two seams along which neighboring pockets can be separated in the course of the process; the individual pocket is separated from the string of pockets; the pocket separated from the string of pockets is connected to a hanging-st
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: April 27, 2004
    Assignee: Teepack Spezialmaschinen GmbH & Co. KG
    Inventors: Wilhelm Lohrey, Stefan Lambertz, Wolfgang Groth, Rolf Maier
  • Patent number: 6711876
    Abstract: This invention describes a two-wheeled apparatus with rotating translators means and multiple pincers for the packaging tag connected to the terminal free end of a handling thread, whose other free end is fixed to the bag itself.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: March 30, 2004
    Assignee: Teamac S.r.l.
    Inventor: Oliviero Benedetti
  • Patent number: 6688079
    Abstract: Horizontal form fill seal apparatus for making flexible packages with slider fastener closures is provided. A fastener track is applied in-line with a plastic web and is bonded thereto at the same time that a peel seal is formed. All package components are brought together at the point of fill.
    Type: Grant
    Filed: November 26, 2001
    Date of Patent: February 10, 2004
    Assignee: Kraft Foods Holdings, Inc.
    Inventors: Panagiotis Kinigakis, Orestes Rivero, Kenneth Pokusa
  • Patent number: 6675553
    Abstract: This invention concerns a method and a device for stacking and packing groups of infusion bags, especially for making tea, whereby in continuous production infusion bags arranged one after another in a series in a strand are separated, their speed of movement is reduced and they are put in a position suitable for making a stack, whereby the infusion bags are arranged one after another in such a way that they at least partly overlap in their subsequent direction of movement.
    Type: Grant
    Filed: September 26, 2001
    Date of Patent: January 13, 2004
    Assignee: Teepack Spezialmaschinen GmbH & Co. KG
    Inventors: Wilhelm Lohrey, Stefan Lambertz, Wolfgang Groth
  • Patent number: 6668518
    Abstract: A machine which makes filter bags from flat tubular envelopes for products to be infused includes a thread applying station having a first drum rotating in a defined direction and a plurality of seats to position and pick up of seals, continuous thread and pick-up tabs fed from feed units located downstream of one another relative to the rotation direction of the first drum. The seal and pick-up tab feed units are supplied with continuous webs fed towards relative cutting elements, which cut the webs into individual seals and individual pick-up tabs. Two feed units each include a corresponding transfer element operating between a corresponding cutting element and the first drum and pick up individual seals and pick-up tabs in a first zone at the cutting elements and transfer them to a second zone separated from the first zone by a given angle and at a seat on the drum.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: December 30, 2003
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Dario Rea
  • Patent number: 6637175
    Abstract: A method and related machine for wrapping filter-bags (1) in sealed outer envelopes (S) comprises the following steps: feeding single, plane sheets (6) to a station (7) for wrapping each sheet (6) over a corresponding filter bag (1); folding the sheet (6) into a U-shape about a transversal axis (X) of the sheet (6) itself so as to form at least two opposite wings (6a, 6b) between which the filter bag (1) is placed; rolling the longitudinal edges (8a, 8b) of the U-shaped sheet (6) so as to flatten them; and, lastly, joining at least the longitudinal edges (8a, 8b) of the U-shaped sheet (6) to form a sealed outer envelope (S) around the filter bag (1).
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: October 28, 2003
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Dante Ghirlandi
  • Patent number: 6571537
    Abstract: A method and a device for rejecting a defective filter bag for infusion products in a manufacturing machine are disclosed. When a defect or fault in the filter bag is detected by sensors while the filter bag is being completed, the end portion of the defective filter bag is deformed out of the reach of the intermediate pick-up station by the deformer so as to prevent the defective filter bag from being picked up and transferred to the subsequent stacking station and the defective filter bag is then expelled by the expeller.
    Type: Grant
    Filed: October 22, 2001
    Date of Patent: June 3, 2003
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Dante Ghirlandi
  • Patent number: 6499273
    Abstract: An improved machine (1) for making filter bags (2) containing a product for infusion, with a pick-up tag (3) connected to the top (12) of the filter bag (2) by an intermediate thread (5), comprises a wheel (6) which rotates with a stepping motion about its own axis of rotation (16) and is equipped with grippers (7) which are brought into contact with a series of operating stations, comprising at least one station (9) for folding a tubular semi-finished product (20) containing the product for infusion, and at least one station (15) for knotting the thread (5). The machine (1) has thread (5) feed means (33, 34, 35) which operate on the thread (5) fed between consecutive pairs of the grippers (7) along the edge of the wheel (6) so as to prevent it from sliding backwards. The thread (5) knotting station (15) is equipped with needles (45) which have a first and second eye (51, 52) positioned at different distances from the point.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: December 31, 2002
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Paolo Marzocchi
  • Patent number: 6453639
    Abstract: A machine for making filter bags for products for infusion comprises a first wheel forming a station for winding a thread with pick-up tab around the filter bag, means for positioning and guiding the thread with pick-up tab relative to the filter bag operating along an arced path covered by the filter bag to allow the thread to be wound around the filter bag; the positioning and guiding means comprising a chute having a central channel to keep the thread with pick-up tab in a substantially stable and well-defined position relative to the filter bag traveling along the arced path.
    Type: Grant
    Filed: May 31, 2000
    Date of Patent: September 24, 2002
    Assignee: I.M.A. Industria Macchine
    Inventor: Cristian Sgubbi
  • Patent number: 6389781
    Abstract: In a two-lobed filter bag for products for infusion, the end of a thread connecting the filter bag to a pick-up label, consisting of a length of thread, is attached to the corresponding lobe, defining a loop, that is to say, a stable, extensive contact surface between the thread and the lobe, with a high degree of resistance to their separation; the base of the filter bag also has a storage zone which, in the packaging configuration, stably holds an additional portion of thread, allowing a longer length of thread to extend around the filter bag, said length of thread always being longer than the perimeter of the bag.
    Type: Grant
    Filed: August 30, 2000
    Date of Patent: May 21, 2002
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventor: Dante Ghirlandi
  • Publication number: 20020005027
    Abstract: This invention relates to a process for the continuous production of beverage filter bags, especially tea bags with a hanging strip made from a carrier sheet material and with at least one pocket which consists of a filter material and is closed on all sides, contains at least one portion of a beverage substance, and is connected to the hanging strip; whereby individual beverage-substance portions are deposited in a row on a continuous web of filter paper, a sleeve is formed, at least one string of consecutive, contiguous pockets, each containing one portion of the substance, is produced by individually sealing them off with a transverse seam, said transverse seam including both the trailing seam of one pocket and the leading seam of the following pocket, with perforations between the two seams along which neighboring pockets can be separated in the course of the process; the individual pocket is separated from the string of pockets; the pocket separated from the string of pockets is connected to a hanging-st
    Type: Application
    Filed: May 4, 2001
    Publication date: January 17, 2002
    Inventors: Wilhelm Lohrey, Stefan Lambertz, Wolfgang Groth, Rolf Maier
  • Publication number: 20010037623
    Abstract: A machine for making filter bags for products for infusion, made starting with a flat tubular envelope comprises a station for application of a thread with seal and pick-up tab to the tubular envelope, the station comprising a first drum which rotates in a defined direction of rotation, having a plurality of seats for the positioning and pick up of the seals, continuous thread and pick-up tabs fed from three feed units, located downstream of one another relative to the direction of rotation of the first drum; the seal and pick-up tab feed units are supplied with continuous webs which are fed towards relative cutting elements, which cut the webs into individual seals and, respectively, individual pick-up tabs; the two feed units comprise corresponding transfer means, operating between the corresponding cutting element and the first drum, picking up the individual seals and individual pick-up tabs in a first zone at the cutting elements and transferring them to a second zone separated from the first zone by a g
    Type: Application
    Filed: November 30, 2000
    Publication date: November 8, 2001
    Inventor: Dario Rea
  • Patent number: 6216620
    Abstract: An apparatus for high speed attachment of a cord to a piece of receiving material is characterized by one or more pins which engage the cord, pierce the receiving material and draw the cord through the receiving material from the first side to a second side thereof so that open loops are formed in the cord on the second side of the receiving material. The pins may be implemented as a push pin and spreader pin pairs movably mounted relative to each other and each of which are adapted to grasp the cord and penetrate the receiving material. The loop(s) are formed as the push pin and spreader pin move relative to each other. The apparatus further comprises a floating shuttle, not attached to the frame of the apparatus but supported by a series of gear assemblies. The pins move relative to the shuttle in a single direction causing the shuttle to engage an end portion of the cord, drawing the cord through the open loops so as to complete the lacing stitch of the cord through the receiving material.
    Type: Grant
    Filed: April 28, 1999
    Date of Patent: April 17, 2001
    Inventor: Daniel R. Shepard