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4296054 |
Method for production of polyurethane cushion material
A polyurethane cushion material comprising incorporating fiber filament in a foamed polyurethane, and it is produced by crimping the fiber filament, setting it under heating, producing a staple...
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4289555 |
Method of making polymeric hose
A polymeric hose and method of making same are provided wherein such hose comprises an inner base tube, a reinforcing braid made of aramid yarn disposed concentrically around the base tube with the...
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4288463 |
Method of making pretzels of selected spiral pitch
A pretzel making method wherein dough is extruded and the extrusion is rotated about an eccentric axis into a spiral configuration for baking. The extruded dough is gravitationally passed to a...
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4286429 |
Polypropylene endless loop and the method therefor
A method is disclosed for preparing polypropylene endless loop by blow-moulding polypropylene raw materials into tubular sheet, drawing the same transversely to an extent to provide a draw ratio of...
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4268810 |
Electrical article having electrical coil and method for manufacturing same
This invention relates to electrical articles having an electrical coil such as high-tension transformers, ignition coils and the like which are excellent in withstand voltage and endurance; and to...
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4265849 |
Method for producing multifilament thermoplastic yarn having latent crimp
A multifilament thermoplastic yarn and process for the formation thereof which, when tufted or woven into a fabric, presents a grass-like appearance. The yarn is made by melt spinning and water...
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4256680 |
Method and apparatus for producing reinforced synthetic resin pipe
A reinforced synthetic resin pipe is produced by winding a reinforcing material about a core bar suspended vertically for preforming the pipe, inserting the core bar holding thereabout the...
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4244174 |
Poy yarn compositions
The instant specification describes an improved method for the manufacture of composite yarns having a central carrier with fibers or filaments adhered thereto. The method includes the step of...
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4237187 |
Highly oriented, partially drawn, untwisted, compact poly(ε-caproamide) yarn
A process for producing a highly oriented, partially drawn, untwisted, compact poly(ε-caproamide) yarn at windup speeds of from 3500 to 6000 meters per minute is disclosed. The process features...
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4233363 |
Polyester draw-texturing feed yarns
A draw-texturing feed yarn that is new in that it is a heather feed yarn, i.e., is suitable for draw-texturing to form textured yarns that are suitable for making fabrics having a uniform fine...
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4229238 |
Process for manufacturing coaxial cable
A process for manufacturing a coaxial cable which exhibits a substantially uniform electrostatic capacity with respect to length. The improvement includes the steps of reheating the insulated layer...
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4229404 |
Method for drawing yarn
A plurality of yarns are drawn from supply sources onto feed rolls and over a set of draw rolls in adjacent relationship. The yarns are urged into a desired contiguous relationship on the draw...
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4211736 |
Process for forming and twisting fibers
A method of forming fibers from a flowable thermoplastic forming material wherein the fiber forming material is fed onto an outer surface of a spinning element which tapers inwardly to a terminal...
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4205034 |
Method for making a reinforced tubular article
A flexible preferably tubular article is described having an outer abrasion-resistant protective sleeve which is cured-in-place on a flexible core or tube to form a unitary flexible composite.
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4194280 |
Process for the manufacture of rigid and impervious insulating panels
Machines and process for making in a continuous operation a prestressed glass reinforced, thermally insulating panel, structurally stiff, and totally impervious, of indefinite length and with a...
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4185064 |
Process for high speed production of filament cables
Filament cables of denier above 10,000 dtex are produced by operating several continuous melt spinning-stretching processes at production speeds above 3,000 m/min, to form several continuously spun...
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4175104 |
Molded element tape support for invisible slide fastener and method of manufacture
Each stringer of a slide fastener includes a plurality of spaced coupling elements, molded on continuous connecting threads, with wing portions extending into the spaces between the legs of...
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4169121 |
Absorbent material for aqueous physiological fluids and process for its production
An absorbent material is provided having exceptional fluid suction and holding power for aqueous physiological fluids, and which is thus especially adaptable for use as tampons, sanitary napkins,...
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4164530 |
Method of making monofilament from thermoplastic resin tapes
Monofilaments are made from films of unoriented, polymeric resin thermoplastics. The method comprises providing strips or tapes of the unoriented films, twisting the tapes into a generally...
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4158033 |
Halogenated butyl interlayer for reinforced elastomeric hose articles
A composite reinforced vulcanized elastomeric hose is disclosed including a tube, an outer cover, an interlayer interposed between the tube and cover, and a reinforcement embedded in the hose wall....
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4153660 |
Process for producing a mixed-shrinkage heat-bulkable polyester yarn
The disclosure relates to cospinning and drawing polyester filaments to produce a composite yarn which develops bulk due to differential shrinkage of the filaments when heated. Filaments of...
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4143197 |
Aramid yarn fabrics and method of dimensional stabilization of same by heat setting
An article of clothing having at least one layer of a fabric or a fabric having an aramid yarn knitted or woven with a heat settable yarn. The fabric is heated to set the heat settable yarn thereby...
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4141942 |
Process for preparing fibrous materials by wet method
This invention relates to a process for preparing fibrous materials by wet method. Fibrous materials with excellent properties can be obtained by feeding the starting solution to the interface area...
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4123487 |
Process for preparing a tubular article of thermoplastic resin
A method and apparatus are provided for extruding a tubular article in which a mandrel, over which the article is drawn, has a groove on the outer surface thereof and an aperture in the groove. As...
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4115991 |
Asbestos products
Coherent strands are made from a dispersion of asbestos fibres in an aqueous soap solution containing up to 100 percent molar excess of fatty acid, by a process including the steps of forming a...
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4117064 |
Method for twisting strip material
A method for shaping a helical twist in a ribbon of thermoplastic material, as well as a method of making a composite structured article in which a tubular sheet is formed around the twisted ribbon...
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4112031 |
Process and apparatus for producing rubber hose with textile thread reinforcing
Rubber hose with textile thread reinforcing is produced by extruding an inner tube of rubber material, cooling the extruded tube, applying a covering of textile thread over the inner tube and then...
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4104098 |
Method and apparatus for curing and reinforcing hose
A partially cured flexible vulcanizable core useful in the manufacture of hose, for instance, is produced by passing the vulcanizable core through a microwave zone while simultaneously contacting...
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4102965 |
Process for the production of polyamide-6-filaments of the γ-modification
The invention is related to a process for the production of continuous polyamide-6-filaments present in the γ-modification both before and after stretching at room temperature by spinning...
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4082731 |
Method for producing a high modulus polyester yarn
Method taught for producing a high modulus yarn of filaments of a polyester resin consisting of at least 15 up to 50 mole percent of bibenzoate units and from 85 to 50 mole percent of terephthalate...
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4070816 |
Yarn manufacturing
A process for making a dispersion-based asbestos strand for later twisting to form a yarn comprises (a) forming an elongate continuous stream from an aqueous coagulable dispersion comprised of...
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4069657 |
Yarn texturing process
Air-jet textured core/effect nylon yarn provides fabrics having better cover when the core component has been draw-oriented after conventional melt-spinning, and the effect component has been...
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4053546 |
Method of making a leather-like sheet material by coagulating two polymers
Method of making a leather-like sheet material having a low bounce impact elasticity, which comprises: (a) mixing (i) a solvent solution of a polymer (A) consisting mainly of an elastomer and (ii)...
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4045195 |
Method of preparing glass strand and novel glass strand packages
A method of winding glass is provided in which strands of fiber glass prior to collection on a high speed winder are subjected to a high turbulent fluid passed tangential to the strand in a...
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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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4041119 |
Method for producing variegated soap
A column of striated soap extruding from a plodder nozzle is subjected to torque for obtaining spiral striations in the final soap bar.
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4035883 |
Multipurpose intermingling jet and process
Apparatus and process for intermingling a synthetic continuous filament multifilament yarn at substantially any point on a synthetic filament yarn threadline by subjecting the yarn to simultaneous...
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4035464 |
Process for the production of polyamide-6 filament yarns
The invention relates to a process for the continuous production of a stretched and interlaced polyamide-6 filament yarn wherein the filaments are interlaced before stretching.
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4033800 |
Method of making an electric cable
A method of making electric cable having a plurality of electric conductors stranded together with a deformable semi-conducting strand in each valley between the conductors and a shielding...
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4025595 |
Process for preparing mixed filament yarns
Continuous, mixed filament yarns are provided as well as a process for preparing them in which at least two different continuous filament yarns are cospun and separately entangled; the entangled...
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4021520 |
Process for the manufacture of filament yarn having protruding filament ends
A process is provided for the manufacture of filament yarns having fine protruding filament ends, which comprises subjecting filament yarns, wherein at least part of the filaments consist of...
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4019311 |
Process for the production of a multifilament texturized yarn
A process for the production of a multifilament textured yarn by melt-spinning different polymers (for example a polyamide and a polyester) or copolymers (for example copolymers of nylon-6 and...
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4017580 |
Process and apparatus for manufacturing non-woven webs of continuous thermoplastic filaments
A process for the manufacture of non-woven webs of continuous filaments by extrusion, stretching, deflection and deposition of a bundle of filaments on a receiving table and executing a...
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4008303 |
Process for extruding green polyglycolic acid sutures and surgical elements
Polyglycolic acid surgical elements, particularly sutures, are colored green to contrast with tissue, blood, and surroundings by extruding while melted the polyglycolic acid and concurrently in an...
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4005168 |
Method for making a gas blocked logging cable
Method and apparatus for forming a well logging cable that is gas-blocked by virtue of having solid outer conductors cabled around a stranded, filled center conductor and interred in a monolithic...
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4001065 |
Cross-linked olefine-ester tapes
A process of wrapping a substrate to insulate or protect it, wherein a tape comprising a cross-linked copolymer derived from an ethylenically unsaturated hydrocarbon and a carboxylic acid ester...
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4001369 |
Process for cospinning trilobal filaments
Improved process control for cospinning synthetic trilobal filaments having different modification ratios is provided by spinning filaments of one modification ratio through spinneret orifices...
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3996324 |
Process for producing oriented continuous yarns
Oriented continuous yarns are produced from synthetic thermoplastic by melt-spinning monofilaments which are taken off, cooled and wound up without the use of a godet roll at velocities of more...
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3994761 |
Method of making hose
A method for making hose including the steps of spiralling plies of thermoplastic tubing over a vulcanizable elastomeric tube where the tubing of successive plies are oppositely spiralled from each...
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3994759 |
Needled nonwoven material and method for making same
Heat shrinkable fibers are laid down on a backing element, needle-punched and thereafter heated on one surface of the needle-punched fabric in a relaxed condition to a temperature to fuse at least...
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