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| Number | Title | Issue Date |
| 7313895 | Molding unit for forming direct injection molded closures A form, fill and seal packaging machine is configured to mold a closure directly onto a carton. The machine includes a carton erection station to receive and erect a carton and a direct injection molding station. The molding station has an internal mold tool for rec... | 01/01/2008 |
| 7244222 | Apparatus for and method of positioning a slider on mating zipper elements An apparatus used in the manufacture of a thermoplastic zipper having a slider mounted thereon includes a pair of clamp arms disposed on opposing sides of a path of the zipper. The clamp arms are movable in directions substantially perpendicular to the zipper path s... | 07/17/2007 |
| 7163133 | Apparatus for and method of moving a slider along mating zipper elements A manufacturing apparatus, for moving sliders for opening and closing mating zipper elements along the mating zipper elements, includes a roller and a projection. The roller rotates about an axis substantially perpendicular with a path of a film including the mating... | 01/16/2007 |
| 7160029 | Enclosure for resealing a package and method therefor An enclosure is provided for resealing a package. A body of formable material has an open end and a closeable end. The body may have slits on opposite sides for expanding the open end. An adhesive strip is provided on the open end of the body for securing to the pac... | 01/09/2007 |
| 7156252 | Container closure with dual heat seal and magnetic seal A closure system for a container comprises a magnetically permeable element such as a metal ring adapted to be affixed on a container adjacent an opening thereof, and a closure such as a membrane lid having a surface formed by a heat seal material, the closure being... | 01/02/2007 |
| 7074359 | Vibratory molding process and product A fastener strip is disclosed having permanently sealed, airtight portion and a reclosable portion capable of maintaining an airtight seal when closed. The permanently sealed portion is generally planar and essentially impervious to air flow. The reclosable portion ... | 07/11/2006 |
| 7041042 | Method for making a seamless plastic motion discomfort receptacle A plastic motion sickness receptacle is disclosed having a seamless perimeter defined by a tubular member folded at a first closed end, and an open end including means for closing the receptacle after use. The plastic tubular member comprises integrally formed walls... | 05/09/2006 |
| 6927315 | Adhesive composite having distinct phases A conformable adhesive article for use as a sterile medical dressing is described. The article includes a breathable polymeric matrix, a plurality of phases, and an adhesive composition positioned on the polymeric matrix. The plurality of phases preferably provide r... | 08/09/2005 |
| 6902639 | Seaming plastic film using solvent-based adhesive bead A solvent-based adhesive is used to form a continuous, adhesively bonded and welded seam at the longitudinal edge portions of plastic film which have been overlapped. First, a bead of the adhesive is disposed on the edge portion of a web of film passing over an appl... | 06/07/2005 |
| 6481890 | Reclosable zipper having intermittent thickened flange; package; and methods A zipper closure having a first and second releasably interlocking closure profiles where a first sealing flange extends from the first closure profile, and a second sealing flange extends from the second closure profile. Two rectangular-shaped protrusion... | 11/19/2002 |
| 6467238 | Direct injection molded closure and method therefor A form, fill and seal packaging machine for forming, filling and sealing a carton, molds a closure directly onto the carton. The machine includes a carton erection station adapted to receive a carton in a generally flat form and to erect the flat form car... | 10/22/2002 |
| 6024220 | Encapsulated seam for multilayer materials A container is disclosed comprising a first sidewall having a first layer and a second layer. The second layer overlaps a portion of the first layer to define an overlap area. A sealing flange extends from the first layer outward of the overlap area. A se... | 02/15/2000 |
| 5873969 | Method and apparatus for opening a zipper after it has been spot sealed A method and apparatus for manufacturing recloseable plastic bags with engageable mating profiles where the bags are provided open for the consumer. The profiles are initially provided in the fully engaged condition within an elongate, longitudinally cut ... | 02/23/1999 |
| 5827163 | Method making a closure arrangement for attachment to outside of a bag A zipper for a recloseable bag provides a heat-settable portion for adhering the zipper to a polymeric bag at a temperature below that known in the art in order to prevent permanently sealing the bag closed inadvertantly. The zipper includes elongated bas... | 10/27/1998 |
| 5827164 | Method and apparatus for making bag-in-box bag A collapsible bag for use in containing and dispensing a liquid includes a bladder layer and an outer layer. The bladder layer includes a pair of inner opposed panel sections sealed together to provide an enclosed region. The inner panel sections have an ... | 10/27/1998 |
| 5540646 | Method of making a shrinkable bag with protective patch Disclosed is an oriented, heat shrinkable, thermoplastic vacuum bag having a protective heat shrinkable patch attached thereto such that said heat shrinkable patch covers substantially all area exposed to bone, thereby protecting the bag from puncture by ... | 07/30/1996 |
| 5470419 | Easily tearable film and pouch made therefrom An easily tearable plastic film and a pouch made therefrom comprises a thin-wall part for easy tearing. The thin-wall part being made by incorporating strings in the plastic film when it is made by melt extrusion. A method for producing the film and pouch... | 11/28/1995 |
| 5346456 | Plastic film bag manufacturing apparatus and associated methods, and plastic film bags produced thereby An in-line machine for attaching elongated, flexible closure tie elements to the individual bag portions of a laterally folded plastic film web being continuously discharged from a bag forming station, and being forcibly captured by a winder mechanism, en... | 09/13/1994 |
| 5334127 | Reclosable plastic bags made with open mouth and method of making open mouth bags A method and apparatus for forming recloseable plastic bags having engageable mating profiles wherein the bags are made to have an initially open mouth. The profiles which are made to be in an closed condition are opened by a blade apparatus which engages... | 08/02/1994 |
| 5259904 | Oscillating grip strip for recloseable plastic bags and method and apparatus for making the same A plastic bag with a recloseable zipper-type closure is formed with grip strips on its lips to ease the opening of the bags. The grip strips are extruded from a grip strip extruder which is moved relative to a movement of the zipper type profile to produc... | 11/09/1993 |
| 5238306 | Method of producing a sealing system for a reclosable webbed-wall package, and system made A closure system for a film wall package includes profile strips having a reclosable seal of the interlocking type, flange elements and, adjacent the reclosable seal, an adhered strip of peelable material. The peelable material and the profile strip may b... | 08/24/1993 |
| 5155967 | Automated bag manufacturing and packaging system An apparatus for the continuous packaging of flexible bags is adapted for use with a continuous bag manufacturing machine. Separate bags are received on a conveyor which conveys the bags to a stacking station at the end of the conveyor. At the stacking st... | 10/20/1992 |
| 5057065 | Process for making draw tape bags with integrally formed draw tapes A process for manufacturing draw tape bags, unique tubular films used in the process and the resulting draw tape bags are disclosed. The process begins with the step of forming a tubular film having a longitudinal region with a film strength greater than ... | 10/15/1991 |
| 4987725 | Method of manufacturing and filling container A container, for example for herbicide, is manufactured by securing a flexible wall (8) to a rigid housing part (2), and subsequently deforming the flexible wall (8), in a plastic manner, into a predetermined configuration. A further housing part, possibl... | 01/29/1991 |
| 4973298 | Method for making a gusseted plastic container The invention relates to a method of producing containers such as envelope wallets and folders or the like, which comprise at least two outer wall components (4,6) margins of which are bonded on three sides of the wall components to edges of a flexible ex... | 11/27/1990 |
| 4794750 | Method for making containers having ports A method is disclosed for making containers (40) in which a sheet of thermoplastic material (10) that is adapted to be formed into a pouch is introduced into a mold cavity (14). A molding compound (22) is also introduced into the mold cavity (14). The mol... | 01/03/1989 |
| 4708705 | Reinforced plastic bag The invention provides a method of forming single or multi-wall plastic tubing and more particularly, in forming single or multi-wall plastic bags wherein the seal area is strengthened by utilizing a plurality of extruded layers of adhesive material in th... | 11/24/1987 |
| 4684359 | Movable clamp orienter for draw tape A thermoplastic draw tape having thick and wide end portions with a relatively thin and narrow central portion between them is produced by movable clamps which stretch the tape between stationary clamps to produce the stretched, oriented portions of the t... | 08/04/1987 |
| 4667453 | Method of forming sealed flexible container with non-destructive peelable opening Containers formed of a flexible sheet of material capable of being sealed for closing off the interior of the container from the ambient atmosphere. The sheet material is resistant to tearing and includes an inner surface and an outer surface. The contain... | 05/26/1987 |
| 4654180 | Intermittently stretching thermoplastic with nip rolls A draw tape for thermoplastic bags is made by feeding tape to a first pair of nip rolls rotating at a relatively slow speed and a second pair rotating at a fast speed. The tape is stretched to form thin and narrow central portions between end portions of ... | 03/31/1987 |
| 4654021 | Making intermittent orientation draw tape for bags A thermoplastic draw tape for bags is produced by stretching thermoplastic between a first pair of nip rollers running at a relatively slow speed and a second pair of nip rollers running at a higher speed. A rotating cylinder has hot and cool sections spa... | 03/31/1987 |
| 4651504 | Double funnel bag material and method Double funnel bag material and method, wherein continuous length plastic film material is formed into a plurality of coextensive funnel strips connected together as formed. Each of the funnel strips is provided along an edge which is remote from the edge ... | 03/24/1987 |
| 4650451 | Intermittently translating draw tape stretched between nip rolls A thermoplastic tape having thick and wide end portions with a relatively thin and narrow stretched central portion between them is produced by a first pair of nip rolls running at a slow speed, and a second pair of nip rolls running at a higher speed. Th... | 03/17/1987 |
| 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 |
| 4526565 | Method of making flat bottom plastic bag A flat bottom plastic film bag includes triangular gusset portions formed by a plurality of parallel heat welds which fuse portions of opposed pleats together and cooperate with a transverse central bottom seam to form a flat bottom bag from a seamed or s... | 07/02/1985 |
| 4523918 | Method of forming a bag chain An improved method and mechanism for forming a chain of laterally interconnected plastic bags which have confronting releasably interlocking rib and groove profile elements on the inner confronting wall surfaces or at the edge of said surface including ad... | 06/18/1985 |
| 4464157 | Method of preparing a thermoplastic bag having reinforced handles The present invention relates to thermoplastic bag structures which are characterized by having a pair of carrying handles formed integrally with the bag walls and extending upwardly from opposite sides of the open mouth portion of the bag. Specifically, ... | 08/07/1984 |
| 4340379 | Reinforced container for bulk material A reinforced receptacle for bulk materials is constructed from a two-ply plastic tube having a reinforced sheet wrapped and overlapped about the two-ply plastic tube. The reinforced sheet is adhesively secured to the two-ply tube, and the lower end of the... | 07/20/1982 |
| 4069748 | Method of forming a nozzle outlet in the stretchable flexible wall for a container A method of forming a nozzle outlet in the stretchable, flexible wall for a container by providing rigid inner and outer sleeves adapted to mate together in taper-interlocked relationship by stretching a portion of the wall around the inner sleeve and bec... | 01/24/1978 |
