Matches 1 - 50 out of 74 1 2 >


Match Document Document Title
8182407 Package having recloseable pour spout  
A package having a recloseable pour spout is disclosed, with the package including front and rear package panels which may be joined at respective side edges thereof by inwardly extending side...
8012075 Tamper evident reclosable package  
A tamper evident package has a first wall and a second wall facing the first wall. A zipper is provided at a top of the package. The first and second walls include portions that extend over the...
7993256 Method of attaching deformable member to a bag  
A bag formed of a sheet material adapted to be filled with contents and opened at the top for taking out the contents. The bag has fused joints along the lateral edges thereof. A plastically...
7731646 Method of and apparatus for sealing zipper to a substrate  
A reclosable fastener (10) comprising a two-part body and a single flange (16) is located between two webs (34) of material from which a bag is to be made on a form-fill-seal machine. The fastener...
7695419 Method and device for manufacturing bag with clamping device  
A tape with a zipper member and a bag film are continuously moved by rotation of a rotary drum while being overlaid with each other such that the tape travels in a tape introducing groove for a...
7674220 Method and apparatus for applying hot-melt adhesive to zipper flanges and applying zipper to packages  
The disclosure relates to a method and apparatus for the attachment of a zipper to a reclosable package or bag, particular packages or bags of relatively larger sizes. Pinch rollers separate the...
7465265 Method for installing closure in mouth of pre-made bag  
A method for installing a closure in the mouth of a pre-made flexible bag. The closure may, for example, be a shrouded plastic zipper with or without a slider. The bag may, for example, have side...
7410453 Method of sealing a zipper with concave bridges or bases using convex sealing bars  
The present invention includes a method and apparatus wherein webless zipper is provided with concave seal bridges. These concave seal bridges are complementary in shape to convex sealing bars....
7300395 Method for manufacturing a bag  
A retaining element for use with elastic sheet material is disclosed. In one form, the sheet material can be provided as a bag (100) having first and second side walls (102, 104). The retaining...
7137942 Apparatus and process for assembling a slider  
The closure device (121) includes interlocking fastening strips (130, 131) and a slider (132) slidably disposed on the fastening strips for facilitating the occlusion and deocclusion of the...
7077796 Bag with elastic strip and method of making the same  
Provided is a plastic bag including a live elastic strip that, in the elastic strip's normal condition, contracts thereby constricting an opening of the bag to assist in retaining the bag to an...
6669615 Plastic film hinging and pre-creasing process  
A hinge is disclosed for a plastic film. This film has a predetermined thickness sufficient for the plastic film to remain planar in an absence of a first bending moment applied across the plastic...
6568150 Apparatus for making reinforced reclosable package seals  
Apparatus for making packages having interlocking closures from a web of film, the closure having male and female portions and being formed in line with or transversely to the direction of film...
6519917 Method and apparatus for making gussetted package  
Methods and apparatus for making gusseted packages having openable and reclosable interlocking seals, the seals having male and female portions, snap detents, and formed transversely to the...
6516850 Apparatus for applying reclosable fasteners to a web of film  
An apparatus for applying strip fastener elements or zippers to web material includes an unwind stand holding a roll of film material, an infeed dancer arrangement of rollers, a zipper apparatus...
6517660 Method of forming gusseted reclosable bags  
A method of forming a reclosable gusseted bag is disclosed wherein a carrier tape webs having discrete sections of mating profile separated by profile free sections is introduced between two bag...
6510673 Method and apparatus for manufacturing tube-shaped packages made of flexible material  
A method for manufacturing tube-shaped packages made of flexible material, characterized in that an annular portion is pushed inward in a U-shaped arrangement at at least one closed end of a...
6095960 Method and device for manufacturing bags from tubular paper sections of a single layer or multiple layers  
When manufacturing bags from tubular paper sections of a single layer or multiple layers, at least one end of each flat, tubular section is expanded into a bottom square. Lateral flaps formed in...
5968310 Closable bag and method apparatus for making same  
A method and apparatus for making continuous rolls of a thin laminate composite that is ideally suited for the large scale production of reclosable bags which can be used for sealably packaging a...
5776044 Closable bag and method of making same  
A method of making continuous rolls of a thin laminate composite that is ideally suited for the large scale production of reclosable bags which can be used for sealably packaging a wide variety of...
5776045 Machine for attaching a reclosable fastener to a flexible material  
A machine for attaching a reclosable fastener to a web of flexible material primarily intended for use with a host packaging machine to form a reclosable container. The fastener attaching machine...
5769772 Packages made with both high-frequency/radio-frequency seals and conventional heat/pressure seals using combinations of polar and non-polar polymers  
A package having multiple seals in close proximity is set forth. At least one of the seals is accomplished through the use of a polar polymer that bonds to an opposing panel in the package when...
5573614 Method for stabilizing a plastic zipper during attachment to a film  
A method for stabilizing and aligning interlocked male and female profiles of a plastic zipper strip during attachment of the strip to a polymeric film requires the use of profiles having...
5558613 Method for reducing the variance in the forces needed to open reclosable plastic bags from within and from without  
A method for substantially reducing the variance in results obtained in pull tests on reclosable plastic bags, wherein the forces needed to open the bags from within and from without are measured...
5529659 Machine and associated apparatus for attaching zippers to plastic bags  
The two separable elements of a conventional plastic zipper are advanced through a zipper guide slot from the inlet to the outlet end of a machine, simultaneously with two sections of a plastic...
5322579 Method of forming side seams for zippered bags or packages  
A method for manufacturing reclosable plastic bags or packages, wherein sections of zipper profiles are pre-softened at intervals equal in length to the width of the bags or packages to be...
5186705 Method and apparatus for forming clasp envelopes  
An approved method and apparatus for forming clasp envelopes. The apertures extending through the top and bottom panels of the envelope body and the clasp receiving aperture extending through the...
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...
5116301 Method of making a double zipper pouch  
A double zipper pouch having first and second pockets adjacent one another and with a common wall portion, each pocket having an opening for receiving contents such as identification papers. The...
5088971 Method of making protruding end stops for plastic reclosable fastener  
A method is disclosed for making end terminations for a plastic reclosable fastener or zipper, which incorporates a stop for the zipper slider wherein the zipper profile is cut apart with a hot...
5045042 Plastic film bag with integral plastic film tie element, and associated fabrication methods  
A series of bags are fabricated using a continuous, high-speed bag-forming process in which an elongated section of flattened film tubing is longitudinally conveyed toward a receiving station in...
4994010 Method and apparatus for the attachment of clasps to letter envelopes  
There is provided a method and apparatus for the attachment of clasps on letter envelopes incorporated into a machine for the manufacture of letter envelopes. The clasps, at the conclusion of the...
4979933 Reclosable bag  
A reclosable bag having an open end with a side margin adjacent the open end, a metal segment in the side margin having ends extending beyond the opening and a sealing tape overlying the metal...
4929225 Method of making bags and bag material having hinged zipper strips  
A method of making reclosable bag material and bags made therefrom, wherein the bag making film providing bag walls is provided with an extruded plastic profile reclosable fastener strip across a...
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...
4840611 Gusseted bags with reclosure features  
Gusseted bags are provided with extruded reclosable plastic profile strips along free upper end portions of face walls flanking a bag mouth, the fastener strips being free to separate throughout...
4832776 Process for applying a patch  
Apparatus for making a plastic film bag having bag mouth lips projecting beyond a heat-seal band closing the bag mouth applies a stiffening patch bonded to the interior or exterior of a bag mouth...
4817188 Bag with separate attached zipper and method of making  
An improved reclosable bag structure such as formed out of plastic film or laminations thereof with front and back wall panels attached at their bottom and side edges and reclosable rib and groove...
4735674 Apparatus for making a bag with a bag mouth closure  
Apparatus for making a plastic film bag having bag mouth lips projecting beyond a heat-seal band closing the bag mouth and providing a stiffening patch bonded to the interior or exterior of a bag...
4701361 Tubular film with transverse closure strips  
An extruded film tube has joined to its inside surface a closure strip extending generally transversely, preferably helically, relative to the axis of the tube and the tube and closure strip are...
4638913 Multiply package having delaminating easy open seal  
Disclosed is a package for cheese, luncheon meat and the like having an easy open seal. The package comprises a pouch-like receptacle constructed from flexible thermoplastic film having at least...
4637060 Zipper-lock bag chain adapter for automatic loading and heat seal closing  
A chain of reclosable plastic bags with the bags formed of a thin plastic material having front and rear walls with reclosable pressure interlocking rib and groove elements on the confronting faces...
4629524 Making reclosable bag material  
Method and apparatus for making reclosable bag material and wherein a continuous length of preformed, flat bag wall web of multibag width is continuously run along flat stationary supporting...
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...
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...
4603537 Method for making a bag with a bag mouth closure  
In making a reclosable plastic film bag, bag mouth lips are formed projecting beyond a heat-seal band closing the bag mouth and a stiffening patch is bonded to the interior or exterior of a bag...
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...
4451246 Means and methods of making bags with spouts  
Self-contained reusable pour spout structure is made by means and methods compatible with low-cost bag production machinery and methods. Thus, a memory strip with an internal metallic strip and an...
4430070 Method of and apparatus for uninterruptedly assembling components for making bags  
Reclosable, separable fastener bags having openable mouths defined by pull flanges are made by providing wall panel sheet material having pull flange area along an edge, uninterruptedly assembling...
4411644 Method and apparatus for forming reclosable packages  
A payout coil of tape for forming substantially instantly openable and reclosable package closures over the flattened mouths of packages in mechanized packaging operations. The tape is a unified...
Matches 1 - 50 out of 74 1 2 >