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4336222 |
Process of and an apparatus for bending stretched plastic casings
A stretched plastic casing is tensioned by means of a fluid medium after having been introduced into two clamping rollers, and conveyed to a bending member in front of or at the location of which...
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4321351 |
Process for the production of epoxy resin castings
The invention relates to a process in which, as essential components, liquid epoxy resins, carboxylic anhydrides, zinc fluoroborate complex compounds, water, tetrahydropyrane and compounds (X)...
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4285899 |
Method and apparatus for making helical plastic members, and the members produced
Helical plastic members are formed by rotating an extrusion die while extruding a filament in a generally horizontal direction just above a tank of liquid. The plastic helix so formed is cooled and...
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4283362 |
Method and apparatus for making a self-coiling sheet
A method and apparatus for making a self-coiling sheet. The apparatus includes a work station at which a relatively short section of a sheet of flexible material, e.g., crystalline polyethylene...
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4182738 |
Method of manufacturing helical members from a synthetic extruded material
Method of manufacturing helical members from a synthetic plastic material comprises the step of leading the extruded material while still deformable along the helical path and permitting it to...
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4172874 |
Filament curling method
A method for curling plastic filaments to produce simulated hair for doll wigs in which the curled plastic filaments are given a permanent set by a heat treatment, in a chamber with a combination...
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4162892 |
Method of manufacturing continuous coil slide fasteners
Continuous method of manufacturing coil type slide fasteners by forming synthetic monofilaments into a pair of uncured fastener element coils. The fastener coils are then intermeshed in coupled...
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4138503 |
Method of making a tubular collagen casing
A method of making a tubular collagen casing includes extruding collagen gel into two sets of gel ropes, each of the sets comprising a plurality of ropes. The ropes in one of the sets are directed...
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4125923 |
Machine for the crimping of yarns, in particular for producing false, wavy hairs for wigs
A machine for the crimping of yarns, in particular for producing false, wavy hairs for wigs, wherein the yarn, coming from a delivery package, is spirally wound about a cylindrical, supporting...
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4120929 |
Method for producing a spirally wound plastic article
A strip of heated thermoplastic material is extruded from a die past first and second stations while the strip is drawn down between the die and the first station. Initial cooling of the strip is...
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4083838 |
Method of producing in a continuous operation endless toothed belts of any desired circumferential length
A continuous process for making endless toothed belts using a reinforced toothed belt preform of indefinite length by spirally winding the preform around toothed wheels spaced a variable distance...
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4075299 |
Method of making retractile cords
A plurality of groups of mandrels are arranged for movement successively through a plurality of workstations with each group being worked on at a station while other groups are being worked on...
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4044431 |
Slide fastener and method and apparatus of manufacture
Coupling elements of slide fastener stringers are deformed by transverse forces of mating elements. The longitudinal spacing of coupling elements is modified by stretching or shrinking tape...
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4034056 |
Method of making slide fastener coils
A method of making slide fastener coils is disclosed wherein coils of filamentary material are secured to adjacent edges of a pair of carrier tapes. Each coil of filamentary material is formed from...
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4026974 |
Method for forming slide fasteners
A method of forming a slide fastener having terminal fastener elements reduced in size relative to the remaining fastener elements includes supporting a slide fastener chain to expose the terminal...
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4022860 |
Method for producing arcuately curved film casings
A method for producing arcuately curved film casings particularly suitable for a foodstuff such as meat or the like, by an inflation process, wherein a non-stretched resin tube is advanced along...
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3988092 |
Apparatus for making retractile cords
A plurality of groups of mandrels are arranged for movement successively through a plurality of workstations with each group being worked on at a station while other groups are being worked on...
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3873399 |
Apparatus and method for producing elongated reinforced plastic articles
An apparatus and method for pultruding a continuously formed elongated non-linear composite article comprised of filament containing reinforcing material and in impregnatable curable matrix. In one...
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3666853 |
METHOD OF MANUFACTURING A CONTINUOUS STRINGER FOR A SLIDING CLASP FASTENER
In manufacturing a continuous slide fastener stringer, a plastic wire is coiled into a helix abut a fixed mandrel, and the helix is withdrawn from the mandrel while its convolutions are braked on...
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3542911 |
METHOD OF MAKING A CONTINUOUS ROW OF SLIDE FASTENER LINKS FROM A PLASTIC THREAD
Each half of a slide fastener having two halves adapted to be sewn onto a carrier ribbon has a plastic thread formed into a series of helical loops defining convolution portions. Each convolution...
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3514511 |
SLIDE FASTENER MANUFACTURE METHOD
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3499072 |
METHOD FOR FORMING CYLINDRICAL SLEEVES FROM THERMOPLASTIC RESIN SHEETS
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3488239 |
METHOD OF MAKING A SLIDE FASTENER ASSEMBLY HAVING IMPROVED CONNECTING MEANS AT ITS STARTING END
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3454695 |
METHOD OF FORMING COILED PLASTIC HOSE
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3445560 |
METHOD FOR MAKING SPIRAL-SHAPED CONTINUOUS ROWS OF SLIDE FASTENER ELEMENTS
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3431337 |
METHOD FOR THE PRODUCTION OF SLIDE-FASTENER COUPLING ELEMENTS
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3354853 |
Process of manufacturing sliding clasp fasteners
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3337672 |
Method of making a slide fastener of the continuous wire type
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3329177 |
Method and apparatus for making two-coil non-cumulative force spiral springs, and more particularly two-coil non-cumulative force spiral springs having a saddle between the coils
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3277048 |
Thermoplastic fire-retardant, highpolymer, epoxide resin composition
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3255288 |
Method of making interlocking zipper elements
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3243328 |
Method of making spirally wound flexible, plastic tubing
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3236616 |
Method for producing curled fibers
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3229362 |
Method of manufacturing engaging elements for clasp slide fasteners
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3226767 |
Apparatus for wire coiling
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3213174 |
Method of making a slide fastener stringer
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3207827 |
Method of making helical article
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3184795 |
Continuous coil winding apparatus
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3170014 |
Coil forming method and apparatus for zipper fasteners
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3168606 |
Coil forming method and apparatus
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3155752 |
Method and apparatus for shaping sausage casings
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3152433 |
Method and apparatus for making plastic filament coils for zipper fasteners
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3137036 |
Method and apparatus for making plastic slide fasteners
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3087199 |
Method of and apparatus for reversing spring cords
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3068531 |
Retractile cord and method of making same
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3057015 |
Method for making simulated curly hair
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3037068 |
Retractile tinsel cordage
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2994104 |
Process of and apparatus for the manufacture of flexible tubing consisting of plastic strips wound into intermeshing convolutions
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2980959 |
Curling fibers
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2974372 |
Spiral slide-fastener elements
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