Adhesive Bond Patents (Class 383/211)
  • Patent number: 5964534
    Abstract: A bag of flexible material for packaging an edible food product and supporting the food product for eating has a closed bottom and an open top for receiving a food product. A wall of the bag is adapted to be opened between the top end and a location spaced above the bottom end of the bag, whereby a closed pouch is formed below the location by which a consumer can hold the food product and wherein the portion of the bag above the location is foldable outwardly about the pouch to provide a skirt covering the consumer's hand.
    Type: Grant
    Filed: February 22, 1999
    Date of Patent: October 12, 1999
    Inventor: Theodore W. Welles
  • Patent number: 5958482
    Abstract: A flexible paper popcorn package in the form of an easily expandable, nontrapping bag (18) is disclosed including a bottom wall (20) and a top wall (22) interconnected together adjacent their circular outer peripheries (20a, 22a) by first and second interconnection portions. The top wall (22) is formed by first and second wall portions (22b, 22c) interconnected together by a peelable closure seal (28).
    Type: Grant
    Filed: October 20, 1997
    Date of Patent: September 28, 1999
    Assignee: General Mills, Inc.
    Inventor: Randal J. Monforton
  • Patent number: 5945145
    Abstract: A package for sliced food product comprising a bottom wall, a top wall, opposite sidewalls and opposite end walls, wherein the package includes a flap which comprises portions of the top wall and/or an adjoining sidewall of the package, and which is movable between a closed position and an open position to selectively facilitate access to the package interior. The package is preferably made of a thin, flexible plastic material. The flap is removably retained in closed position by a peelable seal extending along one or more edges of the flap, or at least along portions thereof. The package is configured so that when the flap is in open position, the sliced food product is accessible from the side, which facilitates engagement of slice edges and subsequent separation thereof, as well as removal of the slices without undue distortion. This makes the package particularly useful in conjunction with packaging of certain sliced cheeses, although the package may also be useful with other products as well.
    Type: Grant
    Filed: November 19, 1998
    Date of Patent: August 31, 1999
    Assignee: Kraft Foods, Inc.
    Inventors: Jo Ellen Nielsen Narsutis, John F. McDevitt, John C. Little
  • Patent number: 5927855
    Abstract: A tamper evident package includes a closure arrangement having a lockable orientation and an unlockable orientation. The lockable orientation includes a first closure member secured to a first package wall, and a second closure member secured to a second package wall. Preferably, the first closure member is secured to the first wall with a peelable sealing arrangement. The unlockable orientation includes the first closure member being separated or peeled from the first wall. The closure arrangement is transformed from the lockable orientation to the unlockable orientation in response to a pulling force separating the first closure member from the first wall. In some arrangements, the peelable sealing arrangement is pigmented to provide a visual indication that the package has been opened after an initial sealing of the closure arrangement. Methods for constructing and using a flexible package are provided herein.
    Type: Grant
    Filed: June 30, 1998
    Date of Patent: July 27, 1999
    Assignee: Reynolds Consumer Products, Inc.
    Inventors: Mladomir Tomic, Michael E. Schreiter
  • Patent number: 5921464
    Abstract: A package for wrapping an object in which an outer packaging film can be positively unsealed without damaging the object or by using a strong force during unsealing. A non-adhered part which becomes an opening tap (10) for unsealing is formed in a part of an overlapped portion of an outer packaging film (2), weakly adhered parts (11a), (11b) each having a low degree of adhesiveness are formed at left and right sides of the opening tap (10), and a slit (12) is provided in one weakly adhered part only (11a) which allows for the outer packaging film (2) to be torn easily.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: July 13, 1999
    Assignee: Sony Corporation
    Inventor: Seizo Seki
  • Patent number: 5885673
    Abstract: Packaging material 10 for a sealable, easy opening, tear resistant pouch-like package 100 comprises a first layer 12 including an oriented polymeric material having a front side capable of receiving surface printed information. A second layer 16 bonded to the first layer 12 includes a light barrier and moisture impervious material. Bonded to the second layer is a third layer 18 comprising a a coextruded film comprising carbon black-loaded linear low density polyethylene-EVA-polybutylene or carbon black loaded linear low density polyethylene film with an EVA gel lacquer coating. The material 10 overwraps the photographic product in a pouch-like structure comprising a flap 120, having along its length, a lengthwise seal 123 projecting outwardly of a second side 114. Second side 114 along with a first side 116 of package 100, extend between opposed hermetically sealed rearward and forward end portions 116,118.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: March 23, 1999
    Assignee: Eastman Kodak Company
    Inventors: Susan L. Light, Michael Long, Ronald W. Horiszny, Peter J. Harissis, Donald L. Woodrich
  • Patent number: 5882117
    Abstract: A carrier bag for transporting granular foods and the like. The bag includes two main panels connected by two side panels. One of the side panels includes a bellows having a fold line and a folding zone that is defined by the immediate area surrounding the fold line. The bag also includes a top edge which defines an opening to the bag. The opening is closed by adhering together the two main panels close to and along the entire length of the top edge. Finally, a pull-tab is provided that is integrally formed with the bellows and projects out from the top edge.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: March 16, 1999
    Assignee: Unisabi Specialites Alimentaires pour Animaux
    Inventor: Thierry Laffon
  • Patent number: 5837336
    Abstract: A film-wrapped article consisting of a rectangular product wrapped with a heat-shrinkable plastic film in intimate contact therewith, the upper and under edge portions of the film being overlapped and sealed together along the body of the wrap to form a seal. A part of the seal on one side of the article is formed as a weakly joined zone whose adhesion strength increases by continuous or stepwise gradations from an opening zone where the adhesion strength is the lowest toward the both ends of the article. The weakly joined zone is made up of joined and unjoined regions extending along the interface between the upper and under edge portions, in a repetitive pattern of the regions varying in adhesion strength with changes in the area ratio of the joined and unjoined regions. The wrap has a cut for unwrapping use made in the opening or neighboring zone of the upper edge portion.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: November 17, 1998
    Assignee: TDK Corporation
    Inventors: Yuji Ichimura, Tatsuo Fujii
  • Patent number: 5833055
    Abstract: A package for maintaining a needle-suture product in a sterile condition includes a peelable foil container in which a peripheral heat seal defines a cavity for retaining a suture packet. The packet has a plastic tray and a stiff paper lid secured to the tray by hinged paper cleats extending into sockets in the tray. The lid covers most of the area of the tray, leaving an uncovered portion for accessing a needle mounted in the tray. A suture attached to the needle is coiled in a peripheral track in the tray so that an extended length of suture material can be retained in a relatively small space. The container has top and bottom aluminum foils with differentiated polymeric coatings on their interior surfaces, which are thermally fused to form the seal. Unsealed foil flaps are provided at one end of the container to enable peeling apart the foils to open the package.
    Type: Grant
    Filed: March 29, 1996
    Date of Patent: November 10, 1998
    Assignee: Ethicon, Inc.
    Inventors: Robert J. Cerwin, Clifford A. Dey, John M. Findlay, Konstantin K. Ivanov, Robert Nunez, Donald Pompei, William R. Reinhardt, Mehmet Reyhan, David A. Szabo
  • Patent number: 5832145
    Abstract: A reusable adhesive closure including an adhesive strip affixed transversely across a first inner surface of a front wall of a bag at a preselected distance from the opening of the bag; and a first roughened surface strip positioned transversely across a second inner surface of a rear wall of the bag aligned on the wall opposite from the adhesive strip. The first roughened strip is an integral portion of the wall of the bag. The roughened strip is pressable against and into the adhesive strip, whereby a seal is formed by contacting the adhesive strip with the flexible flap member.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: November 3, 1998
    Assignee: Dowbrands L.P.
    Inventors: Brian C. Dais, Jose Porchia
  • Patent number: 5823685
    Abstract: A bag closure is provided for containing flowable material such as powdered cement and mortar. The closure includes loosely folded, overlapping end flaps which are secured together by an overlying peel-away sheet. Where the bag is to be filled with moisture sensitive materials, the peel-away sheet is preferably impermeable to water vapor and forms a vapor barrier closure. The peel-away sheet, which preferably controls the moisture content within the bag during storage, includes a graspable tab that is used to peel the sheet at least partially away from the loosely folded flaps of the bag. An end tuck of the bag may then be unfolded to provide a pour spout for the contents of the bag. The closure eliminates the need for prior art pull strings or sewn ends which are not easy to open and which do not adequately resist moisture penetration.
    Type: Grant
    Filed: September 19, 1996
    Date of Patent: October 20, 1998
    Assignee: Ardex Inc.
    Inventor: Dietmar Garlichs
  • Patent number: 5795632
    Abstract: A protective probe cover set for a medical probe designed to be inserted in an endocavity or used interoperatively in an incision of a human or an animal body, comprises a probe cover and a sheath-like outer wrapper. The probe cover consists of flat film material and comprises a mouth for inserting the probe. The outer wrapper consists of two plies being joined along their longitudinal edges. The outer wrapper sheaths at least the length of the cover designed to be inserted in said endocavity. The film material is non sensitizing. Preferably, the probe cover is at least partly filled with a gel which is an excellent transmitter for ultrasound waves and can have lubricating properties, for ease of insertion of the probe into the probe cover, while on the other hand, deterimental effects of air bubbles or the like enclosed between the probe cover and the probe itself are avoided.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: August 18, 1998
    Assignee: Parker Laboratories
    Inventor: Martin Buchalter
  • Patent number: 5791783
    Abstract: An adhesive closure including an adhesive strip affixed transversely across a first inner surface of a front wall of a bag at a preselected distance from the opening of the bag; and a flexible flap member strip affixed transversely across a second inner surface of a rear wall of the bag aligned on the wall opposite from the adhesive strip. The flexible flap member is attached to the inner surface of the wall along one edge of the flexible flap member. The flexible flap member is pressable against and into the adhesive strip, whereby a seal is formed by contacting the adhesive strip with the flexible flap member. The flexible flap member is adapted to provide a shear opening force from the inside of the bag when the flap member is contacting the adhesive strip, and adapted to provide a peel opening force from the outside of the bag when the flap member is contacting the adhesive strip. The peel opening force is smaller than the shear opening force, thereby providing an enhanced burst strength to the bag.
    Type: Grant
    Filed: August 18, 1997
    Date of Patent: August 11, 1998
    Assignee: Dowbrands L.P.
    Inventors: Jose Porchia, Brian C. Dais
  • Patent number: 5783012
    Abstract: A resealable flexible thermoplastic bag including a front wall and a back wall, said walls being joined along the major portions of their opposite longitudinal edges and bottom; an open mouth adjacent to the top edge of said bag; a closure near the open mouth of said bag including an adhesive strip affixed to a first inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; and a flap member strip affixed to a second inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; said flap member of said bag being pressable against and into said adhesive strip on said first inner surface, whereby a seal is formed by contacting said adhesive strip with said flap member of said second inner surface.
    Type: Grant
    Filed: May 31, 1995
    Date of Patent: July 21, 1998
    Assignee: DowBrands L.P.
    Inventors: Jose Porchia, Brian C. Dais
  • Patent number: 5769224
    Abstract: A sterile packaging system for a pipetter sheath is disclosed. The packaging system comprises two inner thermoplastic strips sandwiched between two outer paper covers. The inner strips and outer covers are connected along a tear seal formed by an electromagnetic heat sealer. The tear seal is generally in the shape of a pipetter. To remove the sheath from the package and place it onto a pipetter, one of the outer covers is removed, the pipetter placed into the partially exposed sheath, and the remaining cover removed thereby leaving the sheath on the pipetter.
    Type: Grant
    Filed: March 21, 1997
    Date of Patent: June 23, 1998
    Inventors: Richard Poncy, George W. Poncy, Sr.
  • Patent number: 5725311
    Abstract: A resealable package having a label applied over an opening into the package. The label has a pressure-sensitive adhesive, and is repeatably peelable from the package body and reappliable thereto. Full peeling of the label from the body is inhibited by a portion of the label co-acting with a portion of the package body. In one form of the invention, the label has cuts on opposite sides with an uncut portion therebetween, and the inhibiting of peeling is due to puckering of the package and the label when the label is peeled back to the cuts. In a second form of the invention, the package includes tabs or fragments which adhere to the label, with the peeling being inhibited when un-cut portions of the tabs or fragments are reached.
    Type: Grant
    Filed: July 19, 1996
    Date of Patent: March 10, 1998
    Assignee: Sage Products, Inc.
    Inventors: Lawrence G. Ponsi, Steven W. Hickman
  • Patent number: 5718514
    Abstract: A container apparatus and method of manufacture for same, in which the container includes an inner tube formed of plastic material, and an outer tube of one or more plies of material. The container is generally configured to lie flat, when in its unfilled condition. The container has a flat first end formed from flap members configured from one or more plies of the outer tube. The container is advantageously configured to enable opening of the first end of the outer tube to provide access to the inner tube.
    Type: Grant
    Filed: July 26, 1996
    Date of Patent: February 17, 1998
    Assignee: Stone Container Corporation
    Inventors: Raymond George Steele, Stephen John Grace, John Frederick Robinson, Andreas Karl Haussrer, Eric John Brown, Michael John Kane, Allan Paul MacFarlane, Ian Murray Allerby
  • Patent number: 5691015
    Abstract: A composite film bag 1 for packaging comprises a composite film of a water-insoluble film 2 and a water-soluble polyvinyl alcohol film 3 which are adhered to one another to such an extent that the former film 2 can easily be peeled off from the latter film 3 and which are formed into a bag so that the water-insoluble film 2 serves as an outer layer of the bag and the water-soluble polyvinyl alcohol film 3 serves as an internal layer thereof. A powdery or liquid agricultural chemical agent 6 is packed in the composite film bag 1 and the opening of the bag is sealed. Upon practical use, the outer water-insoluble film 2 is peeled off to expose the internal film 3 and the internal film 3 as such, while containing the agricultural chemical agent 6, is introduced into water. Thus, the internal film is dissolved in water and in turn the content 6 thereof is released and accordingly dissolved in water. The composite film bag 1 is not broken at all even when it is exposed to a low temperature condition.
    Type: Grant
    Filed: December 28, 1995
    Date of Patent: November 25, 1997
    Assignee: Aicello Chemical Co., Ltd.
    Inventors: Yoshinori Tsukamoto, Michio Shimizu
  • Patent number: 5672009
    Abstract: A reclosable plastic pouch has a first elongated zipper member having a profile and a flange having a longitudinal perforation therein. The flange is above the profile and attached to one wall of the pouch above and below the perforation line and to the opposite wall of the pouch only above the perforation line. A mating profile is attached only to the opposite wall of the pouch below the perforation line. A notch at an edge of the pouch, aligned with the perforation line, facilitates the plastic to tear along the perforation line so that the portion of the pouch above the perforation line may be readily removed.
    Type: Grant
    Filed: May 21, 1996
    Date of Patent: September 30, 1997
    Assignee: Illinois Tool Works Inc.
    Inventor: Art Malin
  • Patent number: 5669504
    Abstract: The invention relates to a bag closure for a thermoplastic grocery bag. Integral closure tabs are formed in the bag front and rear walls at the bag mouth. After the bag has been loaded, the front wall closure tab is pulled across the bag open mouth towards the rear of the bag. The rear wall closure tab is then pulled in the opposite direction across the bag mouth towards the front of the bag to engage an adhesive zone positioned on the exterior surface of the front wall. The adhesive zone is made up of a low tack, high-shear adhesive and is positioned just below the bag mouth. The adhesive zone resists shear forces generated while the bag is closed but releases easily when the rear closure tab is pulled in a direction normal to the bag wall.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: September 23, 1997
    Assignee: Tenneco Plastics Company
    Inventors: Richard E. Leone, William J. Randolph
  • Patent number: 5669715
    Abstract: A reclosable plastic bag comprises first and second opposing panels fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. The bag is provided with a reclosable zipper extending along a mouth formed opposite the sealed bottom. The zipper includes a male track with a male profile and a female track with a female profile. A slider is slidably mounted to the zipper for movement between a closed position and an open position. The male and female profiles are engaged to each other while the slider is in the closed position. The male and female profiles are disengaged from each other in response to movement of the slider to the open position. To prevent tampering with the contents of the plastic bag prior to being initially opened, the slider is initially parked in the closed position at one end of the zipper, and upper edges of the male and female profiles are detachably connected to each other, except at the one end of the zipper supporting the parked slider.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: September 23, 1997
    Assignee: Tenneco Packaging
    Inventors: David V. Dobreski, Michael W. McManus, Alexander R. Provan, Toby R. Thomas
  • Patent number: 5658077
    Abstract: The sponge counting bag is formed of front and back sheets of transparent polymer material which are joined at the edges and bottom to form an open-topped bag. The back sheet extends above the front sheet. The front sheet is folded down to form a cuff, and the lower edge of the cuff is stretched to form wrinkles whereby the lower edge hangs outwardly away from the bag so that the cuff can be manipulated easily to pull the bag open. In one species, the top of the back sheet forms a flap which can be folded down to cover the otherwise open top. This flap is detachably, adhesively attached so that the bag normally remains closed, but can be reopened if necessary. Another species has a plurality of cuffed bags arranged one above the other so that the plurality can be hung from one support.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: August 19, 1997
    Inventor: Moshe M. Hoftman
  • Patent number: 5622432
    Abstract: A pair of pleats are formed from the same panel on one side of a cylindrical polyethylene bag in which a film of heat sensitive adhesive layer is on the bag layer to form the necessary heat seals. The bag has a lengthwise seam that is formed as an edge of one of the pleats. The other pleat is folded over material from the one panel. The bag is opened by pulling one of the pleats and an edge of the bag with the other pleat between the two pulling points. The pulling forces separate the layers of the one pleat permitting easy access to the bag which is sealed at both ends. The pleats are preferably sealed along the bag length end to end and share a common junction with the one panel from which they are formed.
    Type: Grant
    Filed: August 3, 1995
    Date of Patent: April 22, 1997
    Inventor: William Zicker
  • Patent number: 5564834
    Abstract: A resealable flexible thermoplastic bag including a front wall and a back wall, said walls being joined along the major portions of their opposite longitudinal edges and bottom; an open mouth adjacent to the top edge of said bag; a closure near the open mouth of said bag including an adhesive strip affixed to a first inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; and a flap member strip affixed to a second inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; said flap member of said bag being pressable against and into said adhesive strip on said first inner surface, whereby a seal is formed by contacting said adhesive strip with said flap member of said second inner surface.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: October 15, 1996
    Assignee: Dowbrands L.P.
    Inventors: Jose Porchia, Brian Dais
  • 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: 5527112
    Abstract: A resealable flexible thermoplastic bag including a front wall and a back wall, said walls being joined along the major portions of their opposite longitudinal edges and bottom; an open mouth adjacent to the top edge of said bag; a closure near the open mouth of said bag including an adhesive strip affixed to a first inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; and a first roughened surface strip affixed to a second inner surface of one of a front wall or rear wall of a bag at a preselected distance from the opening of the bag; said roughened surface of said bag being pressable against and into said adhesive strip on said first inner surface, whereby a seal is formed by contacting said adhesive strip with said roughened surface of said second inner surface.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: June 18, 1996
    Assignee: Dowbrands L.P.
    Inventors: Brian C. Dais, Jose Porchia
  • Patent number: 5492410
    Abstract: An inner container and an outer container folded together to form a container having opposite gusseted side walls, planar front and back walls and a bottom wall comprising portions of the inner and outer containers not adhesively secured together and having a bottom surface comprising portions of the outer container and an outer member adhesively secured to the portions of the outer container forming the bottom surface.
    Type: Grant
    Filed: July 6, 1994
    Date of Patent: February 20, 1996
    Assignee: Graphic Packaging Corporation
    Inventor: David D. Cocozza
  • Patent number: 5476323
    Abstract: A plastic bag having a flap closed "permanently" when placed in contact with an adhesive deposited as a strip in facing relation to the flap, and prior thereto functioning to provide a reusable "temporary" closure when contacting only a nominal amount of the adhesive strip that is permitted to contact the flap through spaced openings in a release strip, the release strip being removed to expose the entire adhesive strip when converting from the temporary to the permanent flap closure.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: December 19, 1995
    Inventor: Peter Gold
  • Patent number: 5474382
    Abstract: A closure arrangement for a polymeric bag comprises first and second opposing base panels and first and second closure profiles extending inwardly toward an interior of the bag from the respective first and second base panels. The first closure profile includes a first locking member, and the second closure profile includes a second locking member releasably engageable with the first locking member. The second closure profile further includes a post laterally spaced from the second locking member by a lateral distance sufficient to receive the first locking member between the second locking member and the post while providing a gap between the first locking member and the post. A peelable strip is disposed in the gap to create a peelable seal between the first locking member and the post.
    Type: Grant
    Filed: May 1, 1995
    Date of Patent: December 12, 1995
    Assignee: Reynolds Consumer Products Inc.
    Inventor: Timothy J. May
  • Patent number: 5474818
    Abstract: A pouch suitable for packaging disposable consumer products having a pressure sensitive adhesive coated on a portion of a surface thereof. The pouch is formed from a silicone polymer coated paper with the silicone coating forming an internal surface of the pouch, thereby allowing easy removal of the product from the pouch and avoiding permanent sticking of the pressure sensitive adhesive coating to the pouch material. The silicone polymer coated paper used to form the pouch has, as a part of the composition thereof, a thermoplastic component which can be a thermoplastic basecoat, or an admixed thermoplastic polymer included in the silicone polymer coating, or a thermoplastic coating on the surface of the paper opposite the silicone coating, or combinations of these alternatives. In all cases, the thermoplastic component is provided in the form of a water-based emulsion or dispersion of a thermoplastic polymer, such as an emulsion of an ethylene vinyl acetate copolymer.
    Type: Grant
    Filed: January 26, 1993
    Date of Patent: December 12, 1995
    Assignee: International Paper
    Inventors: Helga H. Ulrich, James R. Quick, Barry L. Hess
  • Patent number: 5470015
    Abstract: A tubular pouch is provided with a tear-open strip which begins at a U-shaped perforation formed in one of two edge strips of the pouch which are joined across a junction area by cold-sealing into tubular pouch fins. The U-shaped perforation defines a grip formed by the wrapping material inside it and includes legs extending toward and entering the junction area. However, in its remaining portion, the U-shaped perforation does not reach as far as the junction area and thereby manufacturing tolerances relating to the U-shaped perforation and the relief cold bondings as well as lateral shifts between the two edge strips cannot result in bonding of the grip. When the grip is pulled to open the wrap, the wrapping material tears from the ends of the perforation along approximately parallel lines. The grip can be advantageously folded over 180.degree. in order to be readily grasped.
    Type: Grant
    Filed: April 7, 1995
    Date of Patent: November 28, 1995
    Assignee: Teich Aktiengesellschaft
    Inventor: Wilfried Jud
  • Patent number: 5435864
    Abstract: A plastic bag having a reclosable plastic zipper is provided with a tamper-evident, non-reclosable peel seal formed by coextruding an adhesive onto a side strip adjacent to the interlocking zipper. The coextrusion causes the adhesive to preferentially adhere to the side strip when the peel seal is broken. A method for manufacturing the reclosable plastic zipper includes the steps of coextruding a zipper profile including a plane area with an adhesive on the plane area, slitting the profile lengthwise, and folding over one of the resulting sides of the zipper to interlock them with one another.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: July 25, 1995
    Assignee: Minigrip, Inc.
    Inventors: Zdenek Machacek, Lawrence Share
  • Patent number: 5425825
    Abstract: A plastic bag having a reclosable plastic zipper is provided with a tamper-evident, non-reclosable peel seal formed by applying an adhesive to a treated strip adjacent to the interlocking zipper. The treatment is preferably by corona discharge, which causes the adhesive used to provide the peel seal to preferentially adhere to the treated strip when the peel seal is broken. A method for manufacturing the reclosable plastic zipper includes the steps of extruding a zipper profile, treating a portion of its surface, preferably by corona discharge, applying an adhesive to the treated portion, slitting the profile lengthwise, and folding over one of the resulting sides of the zipper to interlock them with one another.
    Type: Grant
    Filed: April 22, 1993
    Date of Patent: June 20, 1995
    Inventors: George Rasko, Lawrence Share
  • Patent number: 5409115
    Abstract: The invention concerns a tubular bag packing, for bandage-like materials in particular, consisting of a web of foil whose opposite borders are glued or welded together along a longitudinal seam to form a tube enveloping the material to be packed and which is hermetically sealed at its ends by means of two parallel transverse seams and which exhibits at least one aid to opening, enabling it to be torn open quickly and completely in order to remove the contents, that is characterized in that one longitudinal strip (10) of the web of foil (11) projects loosely beyond the longitudinal seam (5) and that this is formed into comparatively short, continuously recurring longitudinal spaces (A1, A2, A3, etc.) with tear-off tongues (12a, 12b, 12c etc.) between notches for tearing (13a, 13b, 13c etc.) which limit one another.
    Type: Grant
    Filed: October 21, 1993
    Date of Patent: April 25, 1995
    Assignee: Lohmann GmbH & Co. KG
    Inventor: Gerald Barkhorn
  • Patent number: 5409116
    Abstract: A dispenser pouch has outer walls and a divider wall sealed to the outer walls to provide two separate compartments containing product. Each outer wall has a dispensing aperture formed therein communicating with one of the compartments. A closure flap is connected to each of the outer walls and positionable over a dispensing aperture. The invention also encompasses a method for forming the dispensing pouch.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: April 25, 1995
    Inventor: Arthur N. Aronsen
  • Patent number: 5401100
    Abstract: A package for adapting a chemical thermometer to axillary use comprising a substrate coated with a release agent, a clinical chemical thermometer disposed on the substrate and a transparent overlayer film having a surface of the film coated with a pressure sensitive adhesive, the adhesive coated surface being in juxtaposition with the oral thermometer and the release agent coated surface of the substrate, thereby, adhering the thermometer to the overlayer film and sealing the thermometer within the package formed by the substrate and the overlayer film, the overlayer film being releasably adhered to the substrate.
    Type: Grant
    Filed: March 18, 1994
    Date of Patent: March 28, 1995
    Assignee: Pymah Corporation
    Inventors: Thomas Thackston, Gary Focarino
  • Patent number: 5358334
    Abstract: A recloseable profile strip designed to eliminate the slipping of the top web with respect to the bottom web in the recloseable profile strip of a recloseable package and remove the need for a tack seal. The present invention utilizes a joining web to join the top web and bottom web of the recloseable profile strip of a recloseable package. The recloseable profile strip is extruded through a die from molten material in a flat, single strip. In the double recloseable profile strip of the present invention, the first and second top webs each having an interlocking member flank the bottom web having two interlocking members. A thin, first joining web joins the margin of the first top web to a first margin of the bottom web, and a thin, second joining web joins the margin of the second top web to the second margin of the bottom web. The single strip is then cooled.
    Type: Grant
    Filed: December 14, 1993
    Date of Patent: October 25, 1994
    Assignee: Reynolds Consumer Products Inc.
    Inventor: Steven H. Simonsen
  • Patent number: 5356068
    Abstract: A folding pack (10) is produced from a single foil sheet (12) which is so folded round an article to be packaged and is so closed that the article is surrounded by it on all sides in an airtight manner. The closure is obtained by means of an adhesive bonding of the in each case mutually opposite edge regions of the foil sheet which laterally frame the inner region of the foil sheet. According to the invention, two mutually opposite edge regions (26, 28) each have at least one not permanently adhesive region (50, 60, 72, 74), these regions being located one above the other (24) in the state folded together to form a folding pack (10), and one of these two edge regions (50, 72) is partially separated materially along its peripheral line (54, 70, 52) from the remaining edge region (26).
    Type: Grant
    Filed: November 8, 1991
    Date of Patent: October 18, 1994
    Assignee: Syspack, S.A.
    Inventor: Damaso Moreno
  • Patent number: 5330269
    Abstract: A packaging pouch having a laminate of easily peelable tapes heat-bonded to the package body where an opening of the package is to be formed. The laminate has outer heat-bonding layers heat-fused to heat-sealing layers of the package body.
    Type: Grant
    Filed: November 6, 1992
    Date of Patent: July 19, 1994
    Assignee: Toyo Aluminum Kabushiki Kaisha
    Inventors: Mamoru Kamada, Masaei Ibi, Tomonobu Sekiguchi, Masashi Yamamoto, Noboru Andoh, Kenichi Itakura
  • Patent number: 5284189
    Abstract: A package contains conductive inks or slurries adapted for attachment to a screen printer for applying the inks to a substrate for firing into printed circuit boards. The bag interior containing the ink is formed between a liquid and gaseous impermeable top wall connected along its periphery to a bottom wall formed with openings through which the ink is adapted to migrate towards the print screen under vacuum. A seal member extends around the entire periphery of the bag and is adapted to sealingly mate with a corresponding fastening element attached to the print frame to form an air seal between the bag and print frame in operative position. A removable, peel-away cover normally covers the screen bottom wall to allow the bag to have a long shelf life.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: February 8, 1994
    Assignee: Printron, Inc.
    Inventor: David R. Best
  • Patent number: 5224779
    Abstract: A reclosable, hermetically-sealed flexible package which has an inner, hermetic peel seal and a reclosure seal comprised of interlocking closure strips is provided with a tamper-evident feature located peripheral to the reclosure seal. The tamper-evident feature must be visibly disrupted to gain access to the reclosure seal.
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: July 6, 1993
    Assignee: Oscar Mayer Foods Corporation
    Inventors: Bjorn J. Thompson, Gerald O. Hustad, Todd S. Marnocha
  • Patent number: 5167455
    Abstract: A container (1) has a flexible wall portion with one opening (2) covered by a resealable cover (3). The cover is held at its ends (5) to the wall and includes a return bend (7) to reduce the risk that sealing and opening of the bag will tear the wall portion.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: December 1, 1992
    Inventor: Harold Forman
  • Patent number: 5079059
    Abstract: The improved strippable seal mechanism inclues first and second polymeric webs each having an exterior and interior surface. The interior surface of at least one of the first and second polymeric webs polymeric webs has a substantially adhesive surface thereon for fixedly but separably adhering to the other polymeric web's interior surface. One of the first and second polymeric webs has at least one line of reduced strength disposed at the exterior surface thereof. A manually grippable tab is disposed adjacent to and operatively connected to the line of reduced strength at the exterior surface of one of the polymeric webs. The manually grippable tab operates in conjunction with the line of reduced strength to direct a peel force along the line of reduced strength to delaminate one of the first and seocnd polymeric webs.
    Type: Grant
    Filed: July 20, 1990
    Date of Patent: January 7, 1992
    Assignee: Redex Packaging Corp.
    Inventor: Ihor Wyslotsky