Matches 51 - 100 out of 124 < 1 2 3 >
Match Document Document Title
RE34554 Bags with reclosable plastic fastener having automatic sealing gasket means  
A bag with an openable mouth carries a reclosable extruded plastic zipper inside the mouth. The zipper has complementary profiles separably interlockable in a closed condition of the zipper. A...
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...
5219219 Trash bag table cover  
A flexible polymeric fluid impermeable cover includes a first web secured to and coextensive with a second web at a coextensive inter-relationship. A peripheral conduit is formed about the...
5209574 Reclosable plastic bag with sliderless zipper  
A reclosable bag is formed with profiles on internal surfaces of the bag walls defining a closure. Gripping ribs are formed between the profiles and the bag mouth to facilitate opening the bag....
5140727 Zipper for reclosable thermoplastic bag, process and apparatus for making  
A zipper for a reclosable thermoplastic bag which produces an audible clicking sound and/or a vibratory or bumpy feel when closed or "zipped", and processes and apparatus for making such zippers.
5121997 Perforated tear strip for easy-open flexible containers  
An easy-open container includes a membrane forming the top edge of the container and hermetically sealing the contents thereof. Elements for opening the container are disposed on the membrane, and...
5100246 Pull bead and guide rails for easy open flexible containers  
An easy-open container having a membrane forming the top edge of the container and hermetically sealing the contents thereof. The membrane is disposed inward from the mouth of the bag, leaving...
5100000 Suspendable bag and support structure  
A suspendable bag adapted for suspending on a structure and opening, filling, and severing away therefrom. A suspension wall extends from the bags and includes suspension holes adapted to receive...
5096516 Method of making dual reuseable pouches  
Dual flexible plastic pouches and a method of making the pouches where the pouches are reuseable and reclosable and have a double fastener strip arranged along the center between the pouches, the...
5092684 Post-applied zipper base with grip strip  
A method and apparatus for producing an improved easy-open container wherein a continuous base layer is integrally extruded with structure for gripping thereon and applied to existing film to seal...
5077064 Easy-open recloseable peggable package  
A recloseable, peggable package wherein the enclosed product is packaged between first and second package panels includes two package extensions and a recloseable seal strip interior of the package...
5065899 Sectional or pre-cut zipper strips, magazine storage and feed means, and method  
An extruded plastic zipper assembly comprises a pair of matching zipper strips having complementary reclosably interlocked zipper profiles with laterally extending confronting webs, and...
5009828 Method of forming a reclosable container with grip strip  
A method of forming a plurality of small ridges located in a strip across the lip of a reclosable plastic bag is provided. The method produces a wide ridged surface area to permit ready gripping of...
4976811 Apparatus for sealing film including sealing head with wedge-shaped lower-portion  
Apparatus for manufacturing plastic film stock material including a sealing head utilizing heated air for continuous welding of reclosable plastic closure strips of plastic film. The sealing head...
4944072 Profiled fasteners  
Profiled bead and recess fasteners have mating, complementary parts. One part has a bead which engages in a recess in the other. When engaged, there is resistance to separation under tension...
4929487 Bag making material having fastener profiles and alignment ribs with reinforcing and stabilizing beam effect ridge means  
Bag making material comprises a plastic film carrying a reclosable fastener or zipper male profile and with one or more alignment ribs in spaced parallel relation to the profile. Reinforcing ridge...
4927405 Protective laboratory specimen bag  
A composite protective laboratory specimen bag (A) and method is illustrated which includes folded tubing (D) having a releasable lock (26) for forming a first fluid-tight compartment (B) for...
4923701 Zippered cook-in-bag pouch and method  
A zippered cook-in-bag pouch and method wherein the pouch and a profiled extruded plastic zipper structure at the mouth of the pouch body are formed from material which will withstand substantially...
4912616 Bag with infold along flange for differential opening force  
A bag structure and the method of forming wherein the bag is formed of a thin film material with wall panels and an openable bag top having pressure closable rib and groove profile fasteners at the...
4878763 Double hinge zipper construction  
An improved reclosable bag structure formed out of a plastic film or laminations thereof with front and back wall panels attached along their bottom and along their side edges and having fastener...
4863286 Recloseable bag with pivotable fastener profiles  
A recloseable bag having a fastener assembly comprising two fastener profiles, each having a hinged double wall construction to prevent unintended opening of the bag due to internal forces exerted...
4848928 Package with reclosable fin and method  
A tubular plastic container having moisture-proof capabilities and being reclosable with a continuous longitudinal seal along a back side, with cross-seals at the ends and with a front fold along...
4846586 Recloseable plastic bag having double thickness flap at openable end  
Recloseable plastic bags having mating interlocking profiles; the bags each include a band of double thickness, formed adjacent the mouth of the bag and a pocket formed by the band and the panel...
4832505 Tamper evident link bags  
Bags with reclosable zippers along their mouth ends and having pull flanges extending above the zippers, have attending upwardly from said pull flanges separably attached tamper evident extensions...
4812056 Reclosable, flexible container having an externally operated fastener  
Improved reclosable, flexible containers having an internal fastening element wherein the improvement comprises an external opener for disengaging the internal fastening element.
4807300 Plastic zipper bag with anchor-socket attachment arrangement  
A bag structure especially adapted to be made from bag body web material, and fusibly incompatible extruded plastic zipper, comprises a pair of zipper strips having reclosable zipper profiles...
4791710 Self-aligning closable extruded profile plastic fastener and method  
A method and structure for a non-reopening extruded plastic profile fastener wherein complementary rib and groove type profiles are constructed and arranged to be pressed into interlocking...
4787755 Reclosable flexible container having fastener profiles sealed at their ends to the outside of the bag  
A reclosable pouch is provided having front and back walls and an opening along its upper edge. A first fastener profile is sealed on its ends to the exterior of the front wall of the pouch. The...
4767220 Interlocking closure bar for use in high temperature environment  
A flexible container for storing foods in a freezer and cooking foods therein. The container includes an interlocking closure fastening device comprising an omega-shaped closure element and a...
4741789 Apparatus and process for forming and applying a profile and adjacent rib-type zipper to a traveling film web  
A method and apparatus are provided for applying a profile with adjacent ribs to a traveling film web to form an adjacent rib-type zipper. The device includes a first extruder for extruding a base...
4736496 Closure for thermoplastic containers  
A method for providing a wide-track integral thermoplastic closure for film or sheet stock. The closure includes ribs on either side of an element of the closure to provide the wide-track effect to...
4736451 Extruded zipper having combination stabilizing and differential opening means  
A bag closing separable fastener has a combination profile stabilizing and guiding and differential opening force enhancing post flange projecting from a base area along the outer side of a male...
4701358 Thermoplastic film with integral closures and reclosable container formed therefrom  
An improved cast process and apparatus for fusing closure elements, particularly those with thickened bases, to separately extruded film or sheet stock for making containers with integral...
4672723 Stabilized reclosable extruded plastic fasteners  
A reclosable extruded plastic fastener for joining sheet material such as walls of bags, and method of making the same. The fastener comprises a grooved female profile and a complementary...
4665557 Multiple omega closures  
An interlocking closure fastening device comprising a first closure element having an omega-shaped profile portion, and a second complementary closure element having a plurality of omega-shaped...
4665552 Zipper equipped bags and method of and means for manually filling and separating them  
Integrally serially connected top fillable bags have closed bottoms and sides and reclosable zippers from which pull flanges extend upwardly. The bags are separated along their sides including the...
4654878 Plastic bag chain  
A serially interconnected chain of reclosable, zipper-lock plastic bags is arranged for facilitated handling in an automatic bag filling machine. The bag chain may be formed with single or plural...
4637061 Specimen, sample collection and transport container  
A specimen, sample collection and transport container comprising a flexible plastic bag which is separated into selectively sealed chambers by leak-proof interlocking, multiple track, reclosable...
4635294 Material for making three reclosable bag sections from extruded plastic material  
Material and method for making three reclosable bag sections from separable fastener equipped web, comprising folding opposite free portions of the web upon themselves and folding an intervening...
4617683 Reclosable bag, material, and method of and means for making same  
A reclosable bag, and material for making the bag, and wherein in one aspect extruded resiliently flexible plastic profiled reclosable fastener strip means for reclosable bags is located across the...
4615045 Pilfer proof hangup bag structure and method  
A pilfer proof hangup bag structure having a bag top separable closure including fastener strips carrying extruded plastic profiles from which pull flanges extend upwardly. One of the pull flanges...
4601694 Thin wall reclosable bag material and method of making same  
Material for bags with flexible sidewalls having reclosable separable plastic profile bag mouth closures comprising flexible sheet material providing the bag body and sidewalls. The bag mouth...
4589145 Packaging material and package  
A method of and apparatus for packaging a blocky product such as cheese, into a wrapped envelope package, with material especially adapted for said packaging and wherein a bottom face of the...
4578813 Bag and reclosable separable fastener assembly providing both closing alignment facility and differential separation resistance  
A fastener assembly has two sets of fastener profile elements for a reclosable bag especially adapted for mutually facilitating alignment and interlocking closure interengagement of said fastener...
4561109 Plastic bags with releasable closure which resists opening from inside  
A flexible bag has a releasable closure with a fin extending away from one of the mating pluralities of hook-like protrusions. The fin is joined to the base of the hook-like protrusions to apply...
4561108 Interlocking closure bag for use in high temperature environment  
A flexible container for storing foods in a freezer and cooking foods therein. The container includes an interlocking closure fastening device comprising an omega-shaped closure element and a...
4484352 Reclosable plastic bag  
An improved, releasable fastener having molded interlocking male and female elements suitable for plastic bag closures, and the like, incorporates ramp surfaces in operative association with one of...
4363345 Reclosable container  
A reclosable container features ridges near the opening of the container to provide improved gripping of the container by the user during the opening and loading of the container.
4290467 Reclosable film plastic bags and method of making same  
A reclosable film plastic hang-up and/or identification pocket merchandise contents display bag has front and rear walls joined at sides and bottom and provides an openable top with complementary...
4204526 Arterial graft and package  
An arterial graft forming package which includes an elongate graft forming porous base member housed within an elongate see-through bag of plastic material having an open end provided with...
Matches 51 - 100 out of 124 < 1 2 3 >