Heat Seal Patents (Class 383/94)
  • Patent number: 9346612
    Abstract: The present invention is a collapsible liner for use in a bulk container. The liner comprises a first flexible panel, a second flexible panel, a first seal, a second seal, and a tab. The first flexible panel includes a first longitudinal edge. The second flexible panel includes a second longitudinal edge. The first seal joins the first and second panels near the first and second longitudinal edges and runs generally parallel to the first and second edges. The second seal joins the first and second panels and is generally oblique to the first seal. At least one of the panels extends across at least one of the seals to form the tab, which includes an attachment feature. The attachment feature may be a piece of tape affixed to the tab. The attachment feature may be a strip of fabric or other reinforcement material melted into the tab, sealed within the tab or affixed to the tab via an adhesive. The attachment feature may be a hole with sealed or unsealed edges.
    Type: Grant
    Filed: September 15, 2010
    Date of Patent: May 24, 2016
    Assignee: CDF CORPORATION
    Inventors: James Plunkett, Robert H. P. Fougere
  • Patent number: 9187229
    Abstract: A self contained one-way pressure relief valve for application to product packaging that does not require the addition of a sealing lubricant. Atop a base with an opening extending through the base is an adhesive-like material layer, and a dry strap of a silicone or other release film coated membrane, all of which are of gas impervious materials. The release film coated material layer covers the opening with the release film in contact with the adhesive-like material creating a surface attraction between the release film and the adhesive-like material. An intermediate layer of gas impervious material with an opening extending through such layer may be provided. A gas pervious filter material layer may be provided to block passage of fine particulates or liquid.
    Type: Grant
    Filed: July 14, 2014
    Date of Patent: November 17, 2015
    Assignee: Plitek, L.L.C.
    Inventors: Karl K. Hoffman, Robert C. Larsen, Keith P. Hoffman, Douglas A. Wielunski
  • Patent number: 8979368
    Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag, wherein a chemical family of the adhesive layers comprises polyolefin thermoplastic components, and wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: March 17, 2015
    Assignee: Coating Excellence International LLC
    Inventor: Gary F. Sargin
  • Patent number: 8770840
    Abstract: In an airbag structure with an inner shade cover and a manufacturing method of the airbag, a first plastic plate and a second plastic plate are stacked in parallel with each other, and the first plastic plate is formed by a plurality of air-column plates, and the air-column plate includes a plurality of nodes, and the second plastic plate is stained with a dark dye for sheltering an external light, and then both ends of the first and second plastic plates are hot sealed, and then the first and second plastic plates are folded simultaneously along the nodes, so that the first plastic plate forms a bag, and the second plastic plate is covered onto an inner side of the bag, so that the second plastic plate forms a plastic inner cover.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: July 8, 2014
    Inventors: Yaw Shin Liao, Chieh Hua Liao, Ting Yu Liao
  • Patent number: 8529129
    Abstract: A closure mechanism for a pouch includes a first interlocking closure element and a second interlocking closure element. A first closure profile is disposed on an interior side of the first interlocking closure element. A flange extends from the first closure profile and has a first aperture disposed therethrough. A resilient valve flap covers the first aperture and is attached to an exterior side of the flange. The resilient valve flap includes a sealing member and an at least partially elastomeric latch attached between a distal end of the sealing member and the exterior side of the flange. A channel is defined between the resilient valve flap and the flange that extends from the first aperture to an edge of the resilient flap. The resilient valve flap is biased to form a releasable airtight seal against the exterior side of the flange across the channel.
    Type: Grant
    Filed: March 13, 2008
    Date of Patent: September 10, 2013
    Assignee: S.C. Johnson & Son, Inc.
    Inventor: Robert R. Turvey
  • Patent number: 8469938
    Abstract: The present invention relates to a process of fusion-bonding a plastic film (8a, 8b) to an object to be fusion-bonded such as a port member (16) in manufacturing a drug bag, and relates to a drug bag. The present fusion-bonding process comprises steps of disposing a heat generation element generating heat by absorbing infrared laser, on an opposite surface (8c) of the plastic film (8a, 8b) from the port member (16), or between the port member (16) and the plastic film (8a, 8b), pressing a press member (30a, 30b), which allows infrared laser to be transmitted therethrough, from a side of the plastic film (8a, 8b), and irradiating the infrared laser (L) to the heat generation element (24a, 24b) through the press member (30a, 30b).
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: June 25, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Yasuhiro Muramatsu, Kaoru Shimizu
  • Patent number: 8440293
    Abstract: A laminated tape includes: an adhesive material layer; a first polyolefin layer provided on one side of the adhesive material layer; and a second polyolefin layer provided on the other side of the adhesive material layer. The laminated tape is sandwiched between opposing base films of a packaging body to be welded. The polyolefin used for the first polyolefin layer and the second polyolefin layer is of the same type. The thickness of the respective layers of the laminated tape is preferably defined so that the thickness of the first polyolefin layer and the adhesive material layer is 30 ?m or more and the thickness of the second polyolefin layer is less than 30 ?m.
    Type: Grant
    Filed: June 26, 2007
    Date of Patent: May 14, 2013
    Assignee: Idemitsu Unitech Co., Ltd.
    Inventor: Tetsuro Yasuike
  • Publication number: 20130034317
    Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein a chemical family of the adhesive layers comprises, distillates, petroleum and ethanamine or naphthene components, and wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material.
    Type: Application
    Filed: August 9, 2012
    Publication date: February 7, 2013
    Applicant: COATING EXCELLENCE INTERNATIONAL LLC
    Inventor: Gary F. Sargin
  • Patent number: 8360275
    Abstract: A plastic spout which is adapted to be sealed between two foil walls of a pouch. The spout has a spout body, which forms a passage (153) for delivering a medium from the spout and/or feeding a medium to the pouch. In a bottom part thereof, the spout, on opposite sides, forms a sealing zone for a sealed connection to an adjoining foil wall. The sealing zones of the spout body are formed by sealing walls (158, 159) which project downward from the spout body, each having a curvature over their entire length, such that each sealing wall is outwardly convex over its entire length with respect to an imaginary plane passing through the outermost ends, which adjoin one another, of the sealing walls. The sealing walls can preferably move flexibly transversely with respect to their plane and, on their inner side, are supported or are supported by one or more flexible supporting parts of the spout body.
    Type: Grant
    Filed: May 17, 2007
    Date of Patent: January 29, 2013
    Assignee: Itsac N.V.
    Inventor: Laurens Last
  • Publication number: 20120269469
    Abstract: A reclosable bag with a hook and hook closure can include walls formed of a material having multiple layers, which can include at least one gusset. The bag can be formed into a full open mouth configuration for ease of filling and ease of dispensing product. The hook and hook closure allows for an imprecise alignment of the closure track to substantially close the bag around the gusset area. A method of manufacturing a reclosable bag with a hook and hook closure is also presented.
    Type: Application
    Filed: October 4, 2011
    Publication date: October 25, 2012
    Applicant: EXOPACK LLC
    Inventors: David Brian Long, Melania Craddock
  • Patent number: 8240915
    Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein a chemical family of the adhesive layers comprises, distillates, petroleum and ethanamine or naphthene components, and wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: August 14, 2012
    Assignee: Coating Excellence International LLC
    Inventors: Gary Sargin, Mark E. Jansen
  • Patent number: 7891490
    Abstract: A system for providing a shipping label and a packing list on a container is provided which enables rapid and automated sequential application of a packing list and a shipping label to the container. The shipping label is configured complemental to the packing list whereby the packing list may first be adhered directly to the container and then the shipping label may be placed thereover. The shipping label may be applied over the packing list while the container moves continuously down a conveyor. The invention further includes an apparatus for sequentially applying the packing list and then the shipping label, and a method for applying the packing list and shipping label in registry.
    Type: Grant
    Filed: September 18, 2009
    Date of Patent: February 22, 2011
    Assignee: Premier Print & Services Group, Inc.
    Inventor: Bruce A. Raming
  • Publication number: 20100293897
    Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material, and wherein sealing the bag end after the bag has been filled with contents by heat activating the first layer of adhesive material and the second layer of adhesive material at a temperature below the softening point temperature of the polymeric bag material.
    Type: Application
    Filed: January 12, 2010
    Publication date: November 25, 2010
    Inventor: Mark E. Jansen
  • Patent number: 7791003
    Abstract: An insulated bag has generally flat top and bottom walls connected by foldable back and opposite side walls which cooperate to define a chamber having a front opening for receiving a food product. Flexible closure flaps extend from the bottom wall and opposite side walls and have releasable fasteners for closing the front opening. Each wall has an outer fabric covering and a porous inner liner and also inner and outer layers of flexible thermal insulation material. A vapor barrier film separates the inner and outer layers of insulation material in each wall and provides for moisture absorption by the inner layers. The top and bottom walls each have a compartment with an edge opening closed by a releasable fastener, and a vacuum insulation panel is confined within each compartment. The top and bottom walls move between a collapsed storage position and an expanded position to receive the product.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: September 7, 2010
    Assignee: CoverTex Corporation
    Inventors: Edward A. Lockhart, Mervin S. Ozechowsky
  • Publication number: 20100209022
    Abstract: A double fold seal having an ultrasonic stitch is provided as a closure means for a bag formed from synthetic resin material, and especially a woven synthetic resin material. A transverse heat seal is created using an ultrasonic welder, for example, and at least two flaps formed outboard from the seal. The flaps are folded over one of the bag panels and ultimately over the heat seal so as to create a bag closure that is strong and leak resistant.
    Type: Application
    Filed: August 18, 2009
    Publication date: August 19, 2010
    Inventors: Keith C. Gilmore, Justin D. McDonald
  • Publication number: 20100192520
    Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material, and wherein sealing the bag end after the bag has been filled with contents by heat activating the first layer of adhesive material and the second layer of adhesive material at a temperature below the softening point temperature of the polymeric bag material.
    Type: Application
    Filed: March 1, 2010
    Publication date: August 5, 2010
    Inventor: MARK E. JANSEN
  • Publication number: 20100189380
    Abstract: A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated adhesive material on a portion of the bag. second panel, wherein a chemical family of the adhesive layers comprises, distillates, petroleum and ethanamine or naphthene components, and wherein the first adhesive layer and the second adhesive layer have respective heat activation temperatures below the softening point temperature of the polymeric bag material.
    Type: Application
    Filed: January 12, 2010
    Publication date: July 29, 2010
    Inventors: Gary Sargin, Mark E. Jansen
  • Publication number: 20100158417
    Abstract: A bag can include walls formed of a material having multiple layers, which can include two polyolefin layers and a paper layer. The bag can be formed into a sewn-open-mouth configuration in which a stitching element extends through a wall of the bag. The bag can include a grease-resistant seal that substantially prevents grease from escaping from the bag via an opening in the wall through which the stitching element extends.
    Type: Application
    Filed: December 22, 2008
    Publication date: June 24, 2010
    Applicant: EXOPACK, LLC
    Inventors: Stuart Sharp, Allyson Smith, George Solomon
  • Publication number: 20100150479
    Abstract: A bag can include walls formed of a material having multiple layers, one of which can be a layer of nonwoven material. A polyolefin layer can be joined to an outer face of the nonwoven layer. One or more films can be joined to an inner face of the nonwoven layer.
    Type: Application
    Filed: December 15, 2008
    Publication date: June 17, 2010
    Applicant: Exopack, LLC
    Inventor: Allyson Smith
  • Patent number: 7618405
    Abstract: A flexible container incorporating flexible front and rear sheets and one or more container ports disposed in between the sheets are discussed. The one or more container ports each has a pliable attachment flange and an integrally molded nozzle. The pliable attachment flange has a first configuration whereby the attachment flange collapses to enable heat sealing the attachment flange to the sheets and thereafter substantially recovers its shape to provide a fluid pathway with the port. Various terminal ports, terminal caps, and rubber septums may be useable with the one or more container ports.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: November 17, 2009
    Assignee: B. Braun Medical Inc.
    Inventor: Harvey Theodore Young
  • Publication number: 20090238496
    Abstract: In an air enclosure and a check valve capable of being filled with high pressure air, two first inner films are installed between two outer films, and two second inner films are then stacked together between the two first inner film. The two outer films and the two first inner films are adhered together by means of hot sealing to allow the two first inner films to be positioned between the two outer films and an air cylinder to be formed between the two outer films; the two second inner films are adhered to each other by means of hot sealing to form a second air inlet between the two second inner films. Thereafter, an air filling tool may be used to force high pressure air into the second air inlet and into the air cylinder, causing the air cylinder to fill with air and expand.
    Type: Application
    Filed: August 26, 2008
    Publication date: September 24, 2009
    Inventors: Chieh Hua Liao, Yaw Shin Liao, Kao Hsiung Liao
  • Publication number: 20090232421
    Abstract: A closure mechanism for a pouch includes a first interlocking closure element and a second interlocking closure element. A closure profile is disposed on an interior side of the first interlocking closure element. A flange extends from the closure profile and an aperture is disposed therethrough. A resilient valve flap is disposed over the aperture and attached to an exterior side of the flange. A channel is defined by an area of non-attachment of the resilient valve flap to the flange that extends from the aperture to an edge of the resilient valve flap. The resilient valve flap is biased to form a releasable airtight seal in the area of non-attachment of the resilient valve flap to the flange.
    Type: Application
    Filed: March 13, 2008
    Publication date: September 17, 2009
    Inventor: Robert R. Turvey
  • Publication number: 20090158695
    Abstract: The present invention encompasses principally a method of permitting packaging of one or more piece goods in one or more bag units, where said bag units are, in a selected transport direction, oriented after one another and mutually united with the aid of two, each arranged bag side allocated, thickened portions. A first means (1) is disposed whereby each one of said bag units, from a folded and/or united state, becomes openable by causing said respective bag side allocated thickened portions to pass along a distance from one another oriented rails or similar arrangements. A second means (2) is disclosed in order to, in thus opened bag units, allow insertion of one or more piece goods (G). A third means (3) is utilised, whereby each one of said bag units is sealed along a sealing zone, in order thereby to allow the enclosure of said one or more piece goods. A fourth means (4) is adapted to clip and/or cut off a sealed bag through or above said sealing zone, however under said thickened portion.
    Type: Application
    Filed: May 25, 2007
    Publication date: June 25, 2009
    Inventors: Johan Jostler, Jan Jostler, Sven Olof Berg
  • Publication number: 20080298724
    Abstract: According to an air packing bag for tightly holding an article and manufacture thereof of the present invention, a first outer film and a second outer film are staked together, in which the first outer film comprises a first side, a second side and a foldable side. The foldable side is positioned between the first side and the second side and an accepting space is formed on the first outer film after the first outer film is folded up along the foldable side.
    Type: Application
    Filed: January 4, 2008
    Publication date: December 4, 2008
    Inventors: Chieh-Hua Liao, Yaw-Shin Liao, Yao-Chuan Liao
  • Publication number: 20080264925
    Abstract: An insulated bag has generally flat top and bottom walls connected by foldable back and opposite side walls which cooperate to define a chamber having a front opening for receiving a food product. Flexible closure flaps extend from the bottom wall and opposite side walls and have releasable fasteners for closing the front opening. Each wall has an outer fabric covering and a porous inner liner and also inner and outer layers of flexible thermal insulation material. A vapor barrier film separates the inner and outer layers of insulation material in each wall and provides for moisture absorption by the inner layers. The top and bottom walls each have a compartment with an edge opening closed by a releasable fastener, and a vacuum insulation panel is confined within each compartment. The top and bottom walls move between a collapsed storage position and an expanded position to receive the product.
    Type: Application
    Filed: April 30, 2007
    Publication date: October 30, 2008
    Inventors: Edward A. Lockhart, Mervin S. Ozechowsky
  • Publication number: 20080187256
    Abstract: A method of forming a composite seal structure having great resistance to rupture, rare generation of pinholes is provided which comprises using a heat sealer having two blocks which presses sheets to be heat-sealed and at least one of which is a heating block provided with a seat which renders its surface at a temperature forming peel seal, on a part of its surface pressing the sheets, heating the heating block at a temperature forming tear seat, and pressing the sheets to form a heat seal having the composite seal structure of peel seal and tear seal.
    Type: Application
    Filed: June 15, 2007
    Publication date: August 7, 2008
    Inventor: Kazuo Hishinuma
  • Patent number: 7404869
    Abstract: A method for producing a laminated material, which comprises providing a raw material roll containing a support layer, drawing out a support layer in a web form from the raw material roll, transferring a silver-based thin film layer on an inner face of the inside of the support layer including a zone to be heat-sealed by the high frequency induction heating for the formation of a container, prior to or after the transferring step, laminating a heat-sealable inner layer on the inside of the support layer, printing the design of the container on the outside of the support layer in a long web form, and forming one or more thermoplastic layers of the same type or different types, at the same time or sequentially, on the outside and the inside of the printed support layer in a web form. The method allows a sealing zone to be formed so as to have an antibacterial atmosphere.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: July 29, 2008
    Assignee: Tetra Laval Holdings & Finance S.A.
    Inventor: Peter Frisk
  • Publication number: 20080014402
    Abstract: The invention provides a method for imparting curvature to a substantially planar material comprising placing substantially planar material in a smart bag, and heat shrinking the smart-bagged material, wherein curvature is imparted to the smart-bagged material upon heat-shrinkage (e.g., placing an aerogel blanket with fibrous batting in a smart bag, applying vacuum and sealing the bag, shipping the flat bagged material to a work-site, heat-shrinking the bag to impart annular geometry, and securing the bagged insulation around an oil pipeline). Methods are included for preparing a smart bag of the invention.
    Type: Application
    Filed: July 17, 2007
    Publication date: January 17, 2008
    Applicant: ASPEN AEROGELS,INC.
    Inventor: Aaron R. Tomich
  • Patent number: 7311442
    Abstract: An air valve for a poly bag that permits the escape of air from the bag as it is filled by a filling tube. The air valve consists of a plurality of slitted openings in one top corner of the bag and a valve flap mounted in the poly bag near the slitted openings that closes and seals the openings as filling material engages and moves the flap.
    Type: Grant
    Filed: July 6, 2004
    Date of Patent: December 25, 2007
    Inventor: Lawrence R. Moravek
  • Patent number: 7270238
    Abstract: Some embodiments of the present invention provide a vacuum sealable storage bag and method in which a pad of material is located within the storage bag and is positioned to block, trap, and/or absorb fluid from product to be stored within the storage bag. The pad of material can comprise fluid-absorbing material, and in some embodiments is positioned between an open mouth of the bag and an interior of the bag in which product is retained.
    Type: Grant
    Filed: February 19, 2004
    Date of Patent: September 18, 2007
    Assignee: FoodFresh Technologies, LLC
    Inventor: Daniel P. Shannon
  • Patent number: 7150734
    Abstract: A packaging bag for a liquid biological substance such as animal semen, including two walls made of plastic material joined in such a manner as to delimit a pouch for receiving the substance and, communicating with the pouch, an evacuation conduit whose end part, in the absence of opening of the bag, is closed by the joined walls, wherein, force-fitted in the conduit, a cannula being able to communicate with the pouch is provided, while a second end of the cannula is situated in the proximity of the end part of the conduit having a conical or substantially conical constriction, and wherein conduit communicates, over a part of its length, with at least one zone situated not far from the end part, in which the two walls are not joined.
    Type: Grant
    Filed: September 12, 2001
    Date of Patent: December 19, 2006
    Assignee: Eurl Pig'Ins
    Inventor: Pascal Lecointe
  • Patent number: 7045190
    Abstract: A packaging material is provided that can provide a packaging bag or container cover in which the contents is shielded from the atmosphere and tightly sealed, a small hole is formed in the appropriate locations, without special processing of the heat seal portion, and the internal pressure is maintained with high stability at a level above the normal pressure. The packaging material is suitable, for example, for heating in a microwave oven. The packaging material uses a film in which a heat sealing agent (4) with a low melting point is applied to a prescribed zone of an oriented film (2) made of a synthetic resin, a cutting line (5) is cut in the oriented film (2) made of a synthetic resin in the form of a solid or broken line passing through the zone coated with the heat sealing agent (4), and a cast film (3) made of a synthetic resin and having heat sealing properties is affixed to the oriented film (2) made of a synthetic resin. Such film is used for a packaging bag (1) or a container cover.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: May 16, 2006
    Assignees: Plast Corporation
    Inventors: Hiromichi Inagaki, Sakaru Takahashi
  • Patent number: 6991109
    Abstract: In some embodiments of the present invention, a strip of material is employed to assist in evacuating a storage bag. Although this venting strip can be used in vacuum sealing any type of plastic bag, in some preferred embodiments the venting strip is used in vacuum sealing storage bags having one or more heat sealable inner layers and one or more outer layers resistant to gas permeation. The venting strip can be apertured and/or can have a textured or rough surface that creates channels between the inside surface of the storage bag and the venting strip, thereby allowing air to exit from the interior of the storage bag. The venting strip can be made at least partially of heat-sealable material, and can melt with heat sealable inner layers of the storage bag when a vacuum sealer applies heat to seal the storage bag.
    Type: Grant
    Filed: April 17, 2002
    Date of Patent: January 31, 2006
    Assignee: FoodFresh Technologies LLC
    Inventors: Daniel P. Shannon, Cindy Patricia Shannon
  • Patent number: 6974447
    Abstract: The present invention provides a receptacle for a therapeutic fluid susceptible to deterioration on exposure to a gas such as oxygen or carbon dioxide. The receptacle has walls of sheet material each including at least one layer forming a barrier essentially impermeable to such gas, and a seal sealing the walls together in a region thereof. A transfer tube is sealed in the seal having a proximal end in the receptacle, a distal end accessible from outside the receptacle, a flow passage extending between said proximal and distal ends, and a closure blocking flow through the flow passage adapted to be pierced by a tubular needle for transfer of therapeutic through the needle. The transfer tube and closure are essentially impermeable to said gas.
    Type: Grant
    Filed: April 16, 2002
    Date of Patent: December 13, 2005
    Assignees: Baxter International Inc., Baxter Healthcare S.A.
    Inventors: Sidney T. Smith, Larry Rosenbaum, Gregg Nebgen, William S. Hurst, William S. Hoerle, Adel M. Sadik, Melissa J. Skelnik, Steven H. Giovanetto, Bradley Buchanan
  • Publication number: 20040013325
    Abstract: A bag for containing flowable materials, having a front panel, a rear panel coextensive with the front panel, and a pair of folded gussets. Each of the gussets has front and rear gusset layers joined at a central crease and a pair of outer gusset edges joined continuously along and to side edges of the front and rear panels. The bag has a bottom closure and at its initially open top portion, the front and rear gusset layers are joined to the respective front and rear panels along lines spaced from or adjacent to the joined side edges of the respective front and rear gusset layers and front and rear panels, to provide stiffened, fastened layer corner portions in the top portion of the open bag.
    Type: Application
    Filed: July 22, 2002
    Publication date: January 22, 2004
    Inventor: Gavin Cook
  • Patent number: 6468611
    Abstract: An anti-fomitic device in the form of a bag or envelope which forms a cover for an object for preventing cross-infection by bacteria and other pathogens that may reside on the object being covered. The anti-fomitic device is a flat, flexible bag or envelope with a closure means at one end of the bag or envelope, having a sterile interior which is sealed during manufacture to maintain sterility. Therefore, no outer wrapping for the anti-fomitic device is required. Alternatively, the anti-fomitic device is a flat, flexible, internally sterile bag with two releasably closed ends, where one end is tucked inward so that the sterile interiors of the two releasably closed ends touch.
    Type: Grant
    Filed: September 4, 1997
    Date of Patent: October 22, 2002
    Inventor: Marvin E. Haskin
  • Publication number: 20020106429
    Abstract: A packaged product has a food product having an added liquid thereon, and a packaging article at least partially surrounding the food product. The packaging article having a seal layer comprising a member selected from the group consisting of a slip agent and a surfactant. The slip agent or surfactant causes contamination from the added liquid to bead up or wet out, respectively, thereby permitting heat sealing through the contamination with a lower leaker rate than would otherwise be the case.
    Type: Application
    Filed: November 16, 2001
    Publication date: August 8, 2002
    Applicant: Cryovac, Inc.
    Inventors: Kimberly Ann Mudar, George Dean Wofford
  • Patent number: 6346285
    Abstract: An article, such as a bag, pouch, or casing, is made from a multilayer film which has: (a) a first layer, which is an outer film layer, comprising a polyamide having a melting point of from about 250° F. to 400° F., the first layer having a thickness of less than about 18 percent, based on a total thickness of the multilayer film; (b) a second layer comprising at least one member selected from the group consisting of polyamide 6, polyamide 9, polyamide 10, polyamide 11, polyamide 12, polyamide 66, polyamide 610, polyamide 612, polyamide 6I, polyamide 6T, polyamide 69, and copolymers thereof, the second layer having a thickness of from about 3 to 30 percent of the total thickness of the multilayer film; and (c) a third layer which serves as an O2-barrier layer and comprises at least one member selected from the group consisting of ethylene/vinyl alcohol copolymer, and polyvinylidene chloride. The first layer of the film is sealed to itself.
    Type: Grant
    Filed: October 30, 1997
    Date of Patent: February 12, 2002
    Assignee: Cryovac, Inc.
    Inventor: Ram K. Ramesh
  • Patent number: 6231237
    Abstract: A container is constructed from a pouch having a front sheet, a rear sheet and a bottom sheet. The bottom sheet of the pouch is folded along a midline thereof with flaps extending downward from the fold line. Each of the bottom edges of the flaps are welded to or integral with one bottom edge of either the front or the rear sheet. Lateral edges of the front and rear sheets are welded to one another with the bottom two portions of the welded edges sandwiching both lateral edges of the bottom folded sheet. To construct the container, a central portion of the bottom sheet is unfolded such that the unfolded portion has an essentially rectangular shape, thus forming said base, with central parts of the bottom edges of the bottom sheet forming the front and rear edges of the base and with peripheral portions of the bottom sheet forming two overlapping triangular portions with the bottom edges thereof defining the two side edges of the base.
    Type: Grant
    Filed: February 26, 1998
    Date of Patent: May 15, 2001
    Assignee: Atifon Ltd.
    Inventor: Avner Geller
  • Patent number: 6226964
    Abstract: A method for making bags out of plastic material includes the cutting of individual portions from a roll of a tubular element and the simultaneous making of a bottom seam crosswise to the tubular element itself. Each portion is set up as to form a bag with a filling opening at the opposite end of the bottom seam. The extremities of the bottom of the bag are pressed down so as to form angular sections which are sealed by means of seams made crosswise to the bottom seam and folded back against the external surface of the bag. The filling opening is sealed by a crosswise top seam after the bag has been filled with the relevant products. Angular sections are then defined at the extremities opposite to the top of the bag. The angular sections are sealed by means of seams made crosswise to the top seam and folded back against th external surface of the bag.
    Type: Grant
    Filed: May 19, 1999
    Date of Patent: May 8, 2001
    Assignee: B.L. Macchine Automatische S.p.A.
    Inventor: Natale Vettorato
  • Patent number: 6015235
    Abstract: A puncture resistant barrier pouch for the packaging of bone-in-meat and other products. The pouch includes a body portion having a chamber and an open end, and a neck portion that extends outwardly from the open end of the body portion. The neck portion includes an open mouth and a passageway that extends from the mouth of the neck portion to the chamber of the body portion. The body portion includes walls that are formed by relatively thick film material and the neck portion includes walls that are formed by relatively thin film material. The product to be packaged is placed in the chamber of the body portion such that the relatively thick walls of the body portion enclose the product while resisting tearing or puncturing by the product. The relatively thin walls of the neck portion allow the walls of the neck portion to be easily heat sealed together, thereby hermetically sealing closed the passage to the chamber and hermetically sealing the product within the chamber of the body portion.
    Type: Grant
    Filed: February 25, 1998
    Date of Patent: January 18, 2000
    Assignee: Curwood, Inc.
    Inventors: Amy L. Kraimer, Gregory Pockat, David Wohlert
  • Patent number: 5941643
    Abstract: A standard vertical form, fill and seal machine is provided with a change part that allows the marginal edges of the film to be formed into a lap or fold over seam at a location offset from the center of the flat front surface of a D-shape forming tube. The film is formed into a loop at the central portion of the rear generally cylindrical section of the forming tube and an interlocked zipper strip is fed into this loop and bonded to the inner surface of the loop. The cross seam for the bag is formed in the fore and aft direction so that it will be in the plane of the interlocked zipper strip.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: August 24, 1999
    Assignee: Triangle Package Machinery Company
    Inventor: John M. Linkiewicz
  • Patent number: 5934808
    Abstract: A device and method for giving proper shape to a bag for display purposes comprising an inflatable member which is placed inside the bag and then inflated to cause the bag move outwardly to its full and expanded size.
    Type: Grant
    Filed: August 23, 1995
    Date of Patent: August 10, 1999
    Assignee: Holiday Fair, Inc.
    Inventors: Victor Ozeri, Max Joseph Silk
  • Patent number: 5827583
    Abstract: A barrier package for the storage of lens wafers used in fabricating laminated lenses, comprises a package adapted to be sealed to enclose therein a lens wafer and formed of a multilayer material, including a metallic layer, of low moisture transmission rate, so that conditions of humidity inside the sealed package are substantially isolated from humidity conditions external of the package. Lens wafers so stored exhibit minimum distortions to interface curvature. Instead of or in addition to being stored in a barrier package, the lens wafers can also be coated with a moisture barrier coating to achieve isolation from external humidity fluctuations. The moisture equilibrated precision lens wafers are suitable for use in optical devices.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: October 27, 1998
    Assignee: Sola International, Inc.
    Inventor: David M. Ambler
  • Patent number: 5748733
    Abstract: Enhancements to a video anticopying process that causes an abnormally low amplitude video signal to be recorded on an illegal copy. The enhancements in one version introduce into the overscan portion of the television picture, just prior to the horizontal or vertical sync signals but in active video, a negative going waveform that appears to the television receiver or videotape recorder to be a sync signal, thereby causing an early horizontal or vertical retrace. One version provides (in the right overscan portion of the picture), a checker pattern of alternating gray and black areas which causes the TV set on which the illegal copy is played to horizontally retrace earlier than normal in selected lines with a consequential horizontal shift of the picture information on those lines. This substantially degrades picture viewability. In another version a gray pattern at the bottom overscan portion of the picture causes vertical picture instability.
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: May 5, 1998
    Assignee: Macrovision Corporation
    Inventor: Ronald Quan
  • Patent number: 5733045
    Abstract: A continuous flexible web (20) with mutually subsequently disposed package pockets (26) and a method of opening and filling these pockets. The web has two opposite walls (21a, b) and longitudinal first and second edges (22, 23) between which the pockets are located. Each respective wall (21a, b) includes, at a second edge region (23), two opposed edge portions (24a, b) with continuous retainer devices (43a, b) disposed in the longitudinal direction of the web for cooperating with mechanical devices for guiding the edge portions on movement of the web in an apparatus for the supply of material to the pockets (26). Between the pockets, there are disposed transverse slots (27) which, in the region of the edge portions (24a, b) merge into longitudinal slots (29). The edge portions (24a, b) include strip-like portions (14a, b) which extend from the retainer devices (43a, b) located between the longitudinal slots (29) and the second edge (23) of the web.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: March 31, 1998
    Assignee: Joker System Aktiebolag
    Inventors: Jan Jostler, Ingemar Broden
  • Patent number: 5597634
    Abstract: A changeable label pad has a base label layer which can be adhesively attached to a recording media container. A first adhesive having a first strength attaches the base label layer to the container. At least two label segments are attached to the base label layer. The label segments combine to cover most of the base label layer and the label segments are separated from each other. A second adhesive having a second strength which is weaker than that of the first adhesive attaches the label segments to the base label layer. The total area of all of the label segments in a layer of label segments is less than the total area of all of the label segments in an underlying layer of label segments.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: January 28, 1997
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Glenn A. Bloomer, Daniel L. VanLanen
  • Patent number: 5553943
    Abstract: A multiple ply open mouthed bag with a rectangular satchel bottom having a plurality of tubular paper plies enclosing a seamless inner plastic pouch capable of heat sealing and/or severance at said open mouth. The paper plies may be made capable of pinch, sewn, or other various closures at said open mouth. The plastic pouch being foldably, non-adhesively and detachably arranged at the satchel bottom of the bag. The satchel bottom being formed by the slitting, folding and overlapping of stepped paper plies adhesively bonded thereat to form the satchel bottom and to loosely retain said pouch independently and away from said adhesive bonding.
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: September 10, 1996
    Assignee: Bemis Company, Inc.
    Inventors: Leland B. Cook, Ronald G. Thrall
  • Patent number: 5529396
    Abstract: A method of making a factory end for a bag assembly, in which a removable plastic bag will be contained within a protective outer bag, includes steps of providing a tube assembly having a plastic inner tube within an outer tube; sealing one end of the plastic inner tube so as to be closed at said one end; and closing the outer tube about the closed one end of the inner tube in such a manner that no plastic material from said inner tube is permanently affixed to the outer tube, whereby the outer tube may be efficiently recycled or incinerated after it is separated from the inner tube by a consumer. The bag assembly itself is disclosed as a separate aspect of the invention. Methods for making the tube assemblies are also disclosed.
    Type: Grant
    Filed: November 10, 1993
    Date of Patent: June 25, 1996
    Assignee: Union Camp Corporation
    Inventors: Arthur M. Pryor, Lattie G. Futch, Robert W. Bolling, Jr.
  • Patent number: 5507578
    Abstract: A device for giving proper shape to a bag (24) or the like for display purposes comprises an inflatable member (10) which is so designed and arranged to be placed inside the bag or the like to be displayed, and which when inside the bag is capable of then being inflated outwardly to cause the bag to move outwardly to its full and expanded size.
    Type: Grant
    Filed: July 25, 1994
    Date of Patent: April 16, 1996
    Assignee: Holiday Fair, Inc.
    Inventors: Victor Ozeri, Max J. Silk