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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...
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4555282 |
Method of and means for bonding synthetic resin profiled fasteners to film substrate
A method of and apparatus for fusion bonding a continuous synthetic thermoplastic resin fastener strip having a fastener profile portion and a base portion opposite the profile, to a continuous...
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4540537 |
Method and extruding die apparatus for producing a plastic closure strip
An extrusion die apparatus for producing at least one plastic closure strip having profile and base portions, includes a die body having a die face, a profile channel defined in the die body and...
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4528224 |
Method of making multiple reclosable bag material
A method of making multiple reclosable bag material, which comprises advancing from a supply source bag wall film in continuous strip form and providing confronting colinear wall panel portions...
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4498939 |
Method and apparatus for making zipper bags
A method and apparatus for attaching heavy weight plastic zippers to light weight plastic bag material. The method includes the steps of aligning the zippers with the bag material and holding the...
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4496406 |
Method of making a conductive resealable pouch
A pouch for protecting electrosensitive components contained therein from physical shock and electrostatic damage during handling and storage. In one embodiment, the pouch comprises two composite...
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4489115 |
Synthetic turf seam system
A system and method for forming flat temporary seams between two sections of synthetic turf are disclosed. The synthetic turf includes a synthetic turf material having a polymeric backing thereon....
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4470857 |
Method of making foam plastic article
The method of making a foam plastic cushion or structural part with a plurality of fastening assemblies thereon comprising the steps of applying a moisture proof barrier sheet of plastic to a strip...
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4453990 |
Method and apparatus for attaching reinforcing material to slide fastener chain
A method and apparatus for attaching a reinforcing tape to an intermittent fastener chain. A fastener chain having alternate element-containing and element-free sections is advanced intermittently...
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4428788 |
Film-tape-closure device slot cast integrated interlocking structure and extrusion method
A method and apparatus for extruding a film, a tape and a closure device simultaneously to produce integrated interlocking closure stock comprising (a) extruding a sheet of film onto a rotating...
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4419158 |
Process and apparatus for the production of a pipe of foam material with a closure
A process for the continuous manufacture of a closable pipe slotted in the longitudinal direction which is made from a sheet of a thermoplastic foam material involves shaping the sheet in the...
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4419159 |
Manufacture of plastic bags with interlocking profile extrusions
In the manufacture of plastic bags having interlocking profiled extrusions for the closure, the extruded plastic profile is applied to the moving web of film immediately after extrusion of the...
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4392897 |
Manufacturing process for channel seal
Molten thermoplastic, such as polyethylene, and a hot melt adhesive are coextruded through a channel shaped profile die. While still molten, the channel shaped strip, having adhesive between the...
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4372793 |
Method of joining flexible fastener strips to flexible web
Extruded flexible fasteners are secured to thin plastic film by adhesive, attaining high speed production and permitting diverse materials which might not be compatible for fusion bonding to be...
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4354541 |
Profiled plastics bag closure strip and adhesive bonding method
A closure strip (1) which incorporates a profiled closure element for use in resealable or reclosable bags is provided with a channel (4) in its surface which contacts a bag forming substrate...
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4353760 |
Forming articles with slide fasteners and attached sewing guides
A method for forming slide fasteners with attached sewing guides is disclosed wherein a stock strip of paper is coated with adhesive and release material and subsequently formed into pairs of...
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4341575 |
Means for joining flexible fastener strips to film
Apparatus for securing extruded flexible fasteners to thin plastic film by adhesive, attaining high speed production and permitting diverse materials which might not be compatible for fusion...
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4331492 |
Method of making a solar panel
A solar panel in which interconnected photovoltaic cells are maintained in light-receiving position by electrically conductive clips secured to the base of the panel. When the cells and clips are...
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4331493 |
Method of manufacturing welded thermoplastic stringer
Heels of leg portions of thermoplastic coupling elements are welded to the opposite sides of a polymer film tape leaving an edge portion of the tape between diverging inside surfaces of the leg...
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4327470 |
Method of making a slide fastener installation
A slide fastener installation is disclosed in which the trains of coupling elements are adhesively mounted on the article into which the slide fastener is to be installed without the use of...
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4309233 |
Method of manufacturing separable slide fastener
A pair of continuous fastener stringers are fed intermittently for a distance corresponding to an individual slide fastener length. A strip is placed on one surface of the stringers while the...
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4306924 |
Method and apparatus for producing a plastic container having a reclosable fastener
An apparatus for producing a plastic container having occludable closure strips comprises a source for the closure strips, a rotatable casting cylinder having a pair of spaced apart circumferential...
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4304615 |
Method of and means for producing plastic bags having separable plastic fasteners
Method of and apparatus for producing plastic bags having separable plastic fasteners. A strip of bag making material is advanced step-by-step by bag width sections into a tear sealing station...
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4299027 |
Apparatus for applying reinforcing film pieces to a pair of slide fastener stringers
An apparatus for applying pieces of reinforcing film of synthetic resin to a pair of continuous slide fastener stringers at longitudinally spaced locations thereof, comprises means for feeding the...
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4265014 |
Apparatus for press-bonding a reinforced tape to a slide fastener with a separable end stop
A method and an apparatus for press-bonding a reinforcement tape of plastic film onto a space section of a continuous length slide fastener chain, the method and the apparatus comprising means for...
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4263079 |
Method of forming an integral closure for a thermoplastic container
An improved high speed cast process for fusing fasteners, with strips of film at their base, to separately extruded film or sheet stock for making containers with integral closure means. The...
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4257839 |
Apparatus for joining opposed leg portions of molded coupling elements for slide fasteners
A method of welding a row of interconnected thermoplastic coupling elements for slide fasteners at opposed leg portions of each coupling element with the use of an ultrasonic horn. The method...
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4252586 |
Method and apparatus for manufacture of slide fastener stringer with folded and bonded continuous molded coupling elements
The leg portions of a continuous molded coupling element are bonded together to reinforce the attachment of connecting threads embedded in the leg portions, and a longitudinal cord is laid in...
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4250596 |
Fastening system for securing a trim-fixing device to a substrate
A method of fixing trim on an object to be bake-painted and a device for carrying out said method are disclosed. The device for fixing trim on the object to be bake-painted has a depression from...
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4249982 |
Apparatus for making reclosable bags
Apparatus for making an integral extruded plastic bag, comprising means for forming a thin wall extruded flexible plastic web, and integrally on the plastic web longitudinally extending and...
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4241865 |
Reclosable shipping sack and method
A reclosable sack having a pouring mouth from which discrete pourable contents may be discharged, comprises a primary non-reclosable stitched closure fastener across and closing the mouth against...
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4238872 |
Separable slide fastener chain and a method of producing the same
A separable slide fastener chain comprises a pair of oppositely disposed stringers of continuous length each having a support tape and a fastener element formed from a plastic monofilament into a...
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4233099 |
Slide fastener method of manufacture
A binder seal or reinforcing and finishing strip for the end of a slide fastener is formed by bonding superimposed layers consisting of nylon 6 and a blend of nylon 6 and nylon 6-6 wherein the...
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4153489 |
Slide fastener chain with wide gap and method and apparatus for manufacture
A gap is formed in a slide fastener chain by cutting out a section of the interlocking fastening elements and the inner longitudinal edge portions of tapes supporting the fastening elements to be...
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4101355 |
Method of and means for making variable width zipper profile film
One or more prefabricated extruded reclosable plastic profile strips travelling in the same direction and at the same speed as a prefabricated continuously travelling film web are guided into...
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4093491 |
Fastener installation method
An installation tool and method of using same for securing fastener insert elements to substrates where the fastener element is provided with a heat meltable material which serves to bond the...
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4059464 |
Method of making fold-out zipper bag
A three-piece tote bag and method of construction is described. The bag includes two end panels which are assembled to a body panel with zippers. The periphery of the end panels are provided with...
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4025373 |
Method for applying adhesive tapes to pads
Method and apparatus for applying adhesive attaching tapes to pads, such as diapers, in which an elongated strip of adhesive tape having an adhesive face and a non-adhesive back is folded...
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4001072 |
Applicator for pressure-sensitive adhesive fasteners
An apparatus and method for applying folded lengths of pressure-sensitive adhesive tape to articles with one-half of the adhesive surface of the tape length secured to an article and a liner...
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3999255 |
Manufacture of sliding clasp fasteners
There is disclosed a method of producing sealed end stringers for sliding clasp fasteners from a pair of stringer tapes, each of which is provided on one of its edges with a row of fastening...
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3988184 |
Method for applying closure strips to plastic film
A method of and apparatus for manufacturing stock material from which bags or other containers may be formed is disclosed. A folded plastic film is fed from a stock roll onto a plurality of carrier...
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3986914 |
Heat-sealing method for plastic containers
A plastic container is provided with a plastic bead seal at the junction of the interlocking fastener and the side edges of the container. The plastic bead seal acts as a barrier to the passage of...
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3969564 |
Method of seaming carpets and tape used therefor
A flexible, permeable seaming tape is treated by saturating one side with a liquid adhesive, which is allowed to dry so that the adhesive becomes inactive or non-tacky, thereby enabling the coated...
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3962007 |
Method of making slide-fastener stringers
Slide-fastener stringers are made by extruding continuous strands of synthetic resin in a form having a plurality of cavities open on one side and defining the coupling head, shank and connecting...
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3951715 |
Slide fasteners and method of making the same
A slide fastener including fastener elements formed from continuous filaments of plastic material and carried by cords along inner edges of a pair of tapes, a slider having channels extending...
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3948705 |
Method for making multiple plastic bags with reclosable fasteners thereon
A mechanism and method for making material for multiple plastic bags with reclosable fasteners thereon, including either continuously supplying a flattened plastic film tube and cutting a strip...
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3936923 |
Apparatus and method for installing a slide fastener
Apparatus and method for installing a slide fastener with or without a slider and pull assembly to material wherein specially arranged and spaced pairs of pins pierce the adjacent edges of the...
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3928098 |
Method of manufacturing threadless slide fastener chains
Slide fastener chains having a filamentary stringer with a plurality of head elements interconnected to a plurality of generally U-shaped heel members are formed by disposing stringers along a...
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3925858 |
Adhesively securable slide fastener
A slide fastener for installation on a garment wherein the carrier tapes carry layers of liquid activated adhesive such that the slide fastener can be temporarily held in place by moistening the...
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3905369 |
Diaper with adhesive tabs
A disposable diaper of the type having a liquid impervious backing sheet is provided with a pair of adhesive tape tab fasteners, each having a flexible substrate, a coating of tacky,...
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