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| Number | Title | Issue Date |
| 7255903 | Patch bag with patch containing high and low crystallinity ethylene copolymers A patch bag has a heat-shrinkable patch adhered to a heat-shrinkable bag. The patch comprises an ethylene/alpha-olefin copolymer having a density greater than about 0.915 g/cm3, this copolymer being present in the patch in an amount of at least about 5 pe... | 08/14/2007 |
| 6589616 | Packaging container Packaging containers produced from a composite shaped by cold-forming, the term "packaging containers" including base or lid parts or base or lid parts shaped by cold-forming. The base or lid parts can be shaped by cold-forming, and a lid foil or base foi... | 07/08/2003 |
| 6405869 | Shrink wrap gift bag and method of manufacturing the same A heat shrinkable gift bag is configured for at-home shrink wrapping of gift boxes using a home hair dryer. The gift bag consists of a monolithic sheet of heat shrinkable plastic film formed into an envelope style bag. The plastic film is a PVC-based film... | 06/18/2002 |
| 6391411 | Machine direction oriented high molecular weight, high density polyethylene films with enhanced water vapor transmission properties The present invention is directed to oriented high molecular weight, high density polyethylene (HMW HDPE) films having enhanced water vapor transmission properties, as well as, superior toughness properties, and articles made therefrom. The present invent... | 05/21/2002 |
| 6337113 | Packaging container The invention concerns packaging container produced from a composite shaped by cold-forming, the term "packaging containers" including base of lid parts or base and lid parts shaped by cold-forming. The base or lid parts can be shaped by cold-forming, and... | 01/08/2002 |
| 5897052 | Easily laterally opened type paper container The provision of an easily laterally opened type paper container includes: a paper base material which is made of material having thermoplastic resin layers on both sides thereof; an opening piece which is formed of a resin film, and sandwiched and bonded... | 04/27/1999 |
| 5845995 | Bag made of polymer and especially polyolefine fabric and process for producing it This invention relates to a sack made of fabric consisting of monoaxially drawn, desirably single-layer, tapes of polymer, particularly polyolefine, preferably polypropylene, which fabric may be coated on one or both sides with a thermoplastic material, p... | 12/08/1998 |
| 5674010 | Resealable bag A resealable bag is formed of flexible sheet material having, embedded therein, a number of parallel, spaced apart strips of inelastic but bendable material which are capable of assuming a set position when bent. The strips, which extend generally longitu... | 10/07/1997 |
| 5635261 | Thermoplastic film incorporating high melt index resins A biaxially stretched, heat sealable, thermoplastic, flexible, food packaging film, preferably multilayer, having an outer heat sealable layer comprising an ethylene vinyl ester copolymer, preferably a blend of two different EVA copolymers wherein said he... | 06/03/1997 |
| 5613779 | Pouch A pouch adapted to accommodate medicine or the like comprising first and second compound films forming front and back surfaces of a pouch. Each of these compound films is composed of a resin film having a predetermined tear strength and a resin film havin... | 03/25/1997 |
| 5562580 | Self-opening polyethylene bag stack and process for producing same The invention provides self-opening polyethylene film bag stacks which do not require a separate adhesive layer between adjacent bags. The self-opening bag stack according to the invention preferably include a plurality of stacked t-shirt type high densit... | 10/08/1996 |
| 5556674 | Ready-tear packaging Heat-shrinkable coextrudate thermoplastic film packaging materials, well suited for the packaging of any one or more of a wide variety of articles, e.g., canned goods, and readily torn in a transverse direction substantially perpendicular to the machine d... | 09/17/1996 |
| 5346708 | Thermoplastic bag with separate handle and method of making same The present invention relates generally to a thermoplastic packaging bag having a carrying handle and relates specifically to a packaging bag having a separate carrying handle. After the bag is loaded with product and closed, the closure securely attaches... | 09/13/1994 |
| 5290613 | Deodorized multilayer film with vinylidene chloride copolymer barrier In a multilayer thermoplastic film having a vinylidene chloride copolymer barrier and at least a polyolefin second layer laminated to the barrier layer wherein at least the barrier layer is irradiated, hydrotalcite is blended with the polyolefin and subst... | 03/01/1994 |
| 5169696 | Film laminate with easy TD tear A transversely tearable film and pouches made therefrom are disclosed. The transversely tearable laminate comprises a machine direction oriented linear low density polyethylene film adhesively laminated on at least one side to a sealant film, the sealant ... | 12/08/1992 |
| 4997289 | Overtape-sealed bag Here is disclosed an overtape-sealed comprising a paper tube, having longitudinally opposite open ends one and/or both of which is covered and sealed with a twofold overtape wherein the overtape is bonded to the paper tube with adhesive having penetrated ... | 03/05/1991 |
| 4974732 | Sealed pouch having tear-open spout An improvement in a sealed pouch made of molecularly-orientable polymeric film that is sealed along peripheral edge margins is disclosed. The pouch defines a sealed cavity for containment of a fluid. The pouch also defines a sealed fluid-discharge spout t... | 12/04/1990 |
| 4931033 | Plastic bag construction A method of making plastic bags in an in-line production stream having hand holes reinforced by double ply plastic material in which the molecular orientation of the plastic material extends across the bags and generally parallel to the upper ends of the ... | 06/05/1990 |
| 4909881 | Bonding method effecting inter-ply adhesion between saran and linear ethylene copolymers This invention relates to a method of improving the adhesion between a layer of vinylidene chloride copolymer and a layer of a linear ethylene/alpha-olefin copolymer and to the film produced thereby. More particularly, the invention relates to heat shrink... | 03/20/1990 |
| 4902142 | Adhesive tape as recloseable closure Adhesive tape for the recloseable closure of a tubular bag or the like, comprising a base, partly coated with an adhesive, having a lateral tab running in the longitudinal direction of the adhesive tape, characterized in that the base (2) continues, adjoi... | 02/20/1990 |
| 4842187 | Opaque film for candy twist wrapping Described is an opaque, biaxially draw-oriented thermoplastic film for candy twist wrapping. The film is formed from a polymer mixture comprising from about 40 to about 60% by weight of polypropylene and from about 35 to about 55% by weight of polystyrene... | 06/27/1989 |
| 4834245 | Pouch having tearing zone for taking out content packed therein A pouch for containing therein a content including front and rear pouch bodies formed of a laminated film, and heat-sealed portions at confronting side edge portions of the front and rear pouch bodies for providing a fluid tight structure of the pouch. Th... | 05/30/1989 |
| 4762230 | Tear oriented package A tear oriented package is provided and is formed of a pair of wall members sealed together about their peripheral edges when aligned with one another. In this manner a sealed chamber is formed therebetween for holding preselected items therein. At least ... | 08/09/1988 |
| 4730942 | Flexible bulk containers A flexible bulk container comprises a tubular side wall structure (1 to 4) of woven fabric, lifting means (13) at an upper end of the side wall structure, and a base (14) closing the lower end of the side wall structure. The base is in the form of a polyg... | 03/15/1988 |
| 4653640 | Packaging materials for photosensitive materials and process for producing same A packaging material for photosensitive materials comprising a laminate of at least three layers comprising thermoplastic resin bonded fabric of the mesh structure and flexible sheet layers laminated on both sides thereof, wherein: (a) said thermoplastic ... | 03/31/1987 |
| 4636412 | Enema bag There is provided a container useful for both storage and administration of a liquid medical composition for example as a barium enema the container comprising a flexible wall (1) and having a port (10) adapted for connection to a tube and having a compos... | 01/13/1987 |
| 4634006 | Bag for mothers milk A bag for mother's milk made of a laminated film or tube prepared through extrusion molding for containing mother's milk therein comprising a sealing portion provided on at least one side of the bag and extended across the extrusion direction and notches ... | 01/06/1987 |
| 4628536 | Bag having intermittent orientation draw tape and method of making Draw tape bags have a high molecular weight, high density polyethylene draw tape which is intermittently stretched so that the tape has central portions of relatively narrow and thin oriented polyethylene and end portions which are relatively wide and thi... | 12/09/1986 |
| 4600104 | Bag for mother's milk A bag for the preservation of mother's milk made of a laminated film or laminated tube obtained from an extrusion molding, wherein said bag comprises sealing portion(s) provided on the side(s) of the bag and extended in the transverse direction to the dir... | 07/15/1986 |
| 4576844 | Shipping bag A thermoplastic heavy duty shipping bag having walls formed of cross-laminated outer plies of uni-axially oriented polyethylene and inner walls of low density polyethylene, heat sealed thereto. The bag provides improved puncture and snag resistance.... | 03/18/1986 |
| 4573508 | Collapsible storage tank A flexible and collapsible storage tank (10) for holding large volumes of material is fabricated in a rectangular shape from long lengths of a rubberized square-woven fabric. The lengths of fabric are oriented with overlapping adjacent edges to form inner... | 03/04/1986 |
| 4564559 | Oriented multi-layer heat sealable film An oriented multi-layer heat sealable film structure comprising a polyolefin film substrate, a layer of a blend of LLDPE and polypropylene, a primer layer on said blend layer and a heat sealable layer on said primer layer.... | 01/14/1986 |
| 4564558 | Oriented multi-layer heat sealable film An oriented multi-layer heat sealable film structure comprising a polyolefin film substrate, a layer of a terpolymer of ethylene, propylene and 1-butene, a primer layer on said terpolymer layer and a heat sealable layer on said primer layer.... | 01/14/1986 |
| 4547413 | Shrinkable film for poultry bags A heat-shrinkable film suitable for use in fabricating bags for packaging frozen poultry. The film composition comprises a resin mixture of between about 75 and about 95 weight percent of an ethylene-vinyl acetate copolymer having a vinyl acetate content ... | 10/15/1985 |
| 4531997 | Forming bead seal in biaxially oriented polymer film by heat bonding Apparatus and method for heat sealing a selected segment of a web of at least two layers of biaxially oriented plastic film. The web layers are pressed together and a selected segment of the pressed web is heated above the bonding temperature of the plast... | 07/30/1985 |
| 4519977 | Method for making a plastic container A tubular plastic container having a molecularly oriented sidewall portion is made by bringing the peripheral portion of a solid blank in engagement with the shoulder portion of a die, introducing the blank into a cavity of the die while compressing with ... | 05/28/1985 |
| 4501780 | Tubular film having sealing layer of propylene ethylene random copolymer A heat sealing layer is provided for multiply tubular film preferably of the type having an inner shrink layer of an irradiatively cross-linked ethylene vinyl acetate copolymer, a core barrier layer of vinylidene chloride-vinyl chloride copolymer, and an ... | 02/26/1985 |
| 4457960 | Polymeric and film structure for use in shrink bags Linear low density polyethylene is used in multiple layer, molecularly oriented films. Novel blends of linear low density polyethylene with ethylene vinyl acetate copolymer are disclosed, and used in molecularly oriented multiple layer films. Bags made fr... | 07/03/1984 |
| 4447480 | Shrinkable film for poultry bags A heat-shrinkable film suitable for use in fabricating bags for packaging frozen poultry. The film composition comprises a resin mixture of between about 80 and about 95 weight percent of an ethylene-vinyl acetate copolymer having a vinyl acetate content ... | 05/08/1984 |
| 4411365 | Moisture proof container with an outer box and an inner bag opened simultaneously The present invention relates to a paper box formed from blanks of cardboard having an inner bag, and more particularly to a moisture proof container which performs a function of simultaneously opening an outer box and an inner bag, in which the outer box... | 10/25/1983 |
