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4865799 |
Method for aligning extruded parison into sepentine-shaped mold cavity
When blow molding elongated serpentine tubes or similar articles, loading of the mold cavity with the parison can present a problem. The parison can stick against the wall of the mold cavity....
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4857245 |
Method of drying ceramic cylindrical bodies
A ceramic cylindrical body just after extrusion-molding is held on a porous support at a floating state by air pressure and dried while supplying air to the inside of the ceramic cylindrical body.
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4855094 |
Method for the injection molding of plastic articles using fluid pressure
A method and associated apparatus for the injection molding of plastic articles of enhanced surface quality using fluid pressure. The method involves the initial step of injecting molten plastic at...
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4837070 |
Tape backing substrate
There is disclosed a cloth-like tape substrate. The substrate is made from an essentially unbonded cellulose web having a breaking length between about 0.71 km and 2.66 km which is saturated with a...
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4824732 |
Process and apparatus for injection moulding and mouldings produced thereby
The invention provides a process and apparatus for producing an injection moulding of plastics material. The process comprises introducing the plastics material in the form of a molten stream into...
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4810275 |
Method of making optical waveguides using glass forming pulverulent material
A method of making optical waveguides is disclosed in which, to fabricate a preform, glass forming pulverulent material is filled into a mold by means of one or more screw conveyors. The quantity...
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4804513 |
Method for producing a rolled tab for a roll of plastic film
Method and apparatus adapted for use on a conveyor line to form a rolled tab in the tail end portion of a roll of plastic film wound on a core. The tail end portion initially extends around the...
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4767589 |
Method for jointing CV cables
A method for jointing CV cables includes a lock mechanism which closes a split portion of a mold, used for extrusion-molding and opens the split portion by heat when crosslinking is performed.
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4751034 |
Method of molding using dissociated lignocellulosic material and the product so produced
Dissociated lignocellulosic material produced by a process of explosive depressurization is molded into products of widely varying densities. Various fibrous and woody materials can be incorporated...
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4703519 |
Sewn polyolefin and fabric bag and method of making bag
A sewn polyolefin in fabric bag which uses the molded shapes of the polyolefin material to form a shaped enclosure. Enclosure means and a fabric hinge are sewn directly to the polyolefin enclosure...
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4681718 |
Method of fabricating composite or encapsulated articles
A method for encapsulating an electrical component or forming a resin based filler reinforced composite article which comprises providing a rigid mold having a cavity and an opening in one surface...
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4675142 |
Single-stage process for the high speed production of continuous polyamidic-base synthetic thereads, and products obtained thereby
A method of high-speed spinning polyamidic fiber, comprising the steps of extruding the polymer in the molten state, cooling the filaments by blowing, and finishing, which is performed in two...
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4670210 |
Method for removing protruding reinforcing fibers from a deflashed fiber reinforced plastic article
Method for removing protruding reinforcing fibers from the flash area of a deflashed, fiber reinforced plastic article are provided. The method features melting the protruding fibers off of the...
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4670283 |
Method for shaping ice creams and food articles of creamy consistency
The invention is concerned with the technical field of food article processing, and in particular relates to a method for shaping ice creams and articles of creamy consistency. The technical...
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4648829 |
Device for shaping ice creams and food articles of creamy consistency
A device for shaping ice cream into shaped articles, comprising extruder members (2) to deliver an ice-cream blank (3), cutter members (10) to subdivide the blank into a plurality of slugs (13) and...
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4640711 |
Method of object consolidation employing graphite particulate
The method of consolidating a metallic, metallic and ceramic, or ceramic body in any of initially powdered, sintered, fibrous, sponge, or other form capable of compaction, includes the steps: ...
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4636338 |
Molding toric contact lenses using a directed stream of gas
The lens is molded in a rotating concave lens mold. Liquid lens monomer is placed in the concave mold and a controlled stream of gas from a narrow opening extending across the lens and positioned...
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4627864 |
Method of making glass fiber forming feeders
A method of making an orificed discharge wall for supplying a plurality of streams of molten glass to be attenuated into filaments is provided comprising inserting elements in apertures in a...
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4624822 |
Methods for manufacture of valve flaps for cardiac valve prostheses
Sheets of incompletely fixed biological tissue comprising portions for defining valve flaps of a cardiac valve prosthesis are mounted on forming means which can separate in a substantially...
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4620890 |
Method of making a fluted core radome
In a method of making a fluted core radome from resin impregnated glass cloth, an outer skin, a fluted core, an inner skin, an edge band and a drain cap are individually fabricated from plies of...
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4601864 |
Method and apparatus for the production of polymeric foam
In the production of polymeric foam in particular polyurethane foam slabstock, a mixture of foam reactants is allowed to expand in a closed mould while substantially atmospheric pressure is...
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4600746 |
Polyvinyl alcohol alloys and method of making the same
A polyvinyl alcohol alloy useful as a gas barrier material is prepared by reacting polyvinyl alcohol and a functional polymer to provide a product which has low gas permeability and water...
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4581193 |
Method for molding a pile fabric
Method for molding a pile fabric molding using an apparatus which incorporates a plurality of pin like members to allow the pile of the fabric being molded to pass therebetween while the pins...
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4576988 |
Saponified products of silicon-containing ethylene-vinyl acetate copolymer as melt molding materials
A melt molding material which comprises a saponified product of a silicon-containing ethylene-vinyl acetate copolymer. When this melt molding material is formed into a sheet, said sheet is...
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4560527 |
Method of making agglomerated cellulosic particles using a substantially horizontal rotating drum
A method of making agglomerated cellulosic particles, particularly useful as a cat litter, comprises agglomerating a moist blend of fibers, aggregates of fibers, and/or fiber-sized pieces of a...
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4432928 |
Process of moulding filled curable compositions
A method of moulding a shaped article from a curable composition in which the composition is cured in a mould comprising at least two mould parts defining a cavity characterized in that prior to...
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4376188 |
High melt strength composition comprising modified polycaprolactam and impact modifier
Compositions are described, which are blow-moldable into shaped articles, comprising a reaction product between polycaprolactam, aminoalkyltrialkoxysilane and a catalytic amount of water. The...
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4353860 |
Method for pressure forming pipe bells
A method and apparatus for pressure forming plastic pipe bells utilizing external air pressure is disclosed. The apparatus includes a horizontally oriented, shaped mandrel, which may or may not...
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4352775 |
Method and apparatus for producing molded plastic articles such as packaging tubes
A blank is formed out of plasticizable, heated plastic by means of an extruding-type material supply head. A somewhat lenticular profiling of the blank is obtained by appropriately controlling a...
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4351869 |
Sintered polymer moldings and composites having altered cross section(s): fluid compacting and sintering process and apparatus for making same
This invention is concerned with high density compacted and sintered polymer articles which previously could not be made entirely non-porous to liquid. It was inevitable, in an article with...
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4333780 |
Submersion treatment of foamable thermoplastic sheet on preforms
Method for treatment of a solid material submerged in a body of liquid wherein the material is sticky and/or has relatively low tensile strength. The material being treated is supported, while so...
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4303571 |
Film-forming thermoplastic elastomeric polymer compositions
There are disclosed film-forming polymer blends useful for the production of tubular blown film comprising EPM or EPDM elastomers, ethylene-vinyl acetate copolymers and a hydrocarbon oil...
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4286935 |
Earth and sand conveyor system
An earth and sand conveyor system comprising a hopper adapted to receive dumped earth and sand, a trough connected to the hopper, a screw conveyor rotatably mounted within the hopper and the...
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4279679 |
Method of manufacturing insulating corrugated structural members
An insulating corrugated member is provided by two sheets having identical corrugations, at least one of the sheets being of a thermoplastic material and having its edges deformed, the deformed...
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4262096 |
Rubber-modified terpolymer with improved molding characteristics
Rubber-modified terpolymers of from 50 to 83% of a monoalkenyl aromatic monomer, from 15 to 30% of an unsaturated dicarboxylic acid anhydride, from 2 to 20% of an unsaturated nitrile are described...
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4247515 |
Process for molding of plastic structural web articles
Process is disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the...
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4228119 |
Chemically reducing residual acrylonitrile monomer in nitrile polymers and shaped packaging materials formed therefrom
A process for reducing free acrylonitrile monomer in nitrile polymers during melting which involves having an effective amount of an unsaturated fatty acid or a glyceride of oleic, linoleic and...
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4221878 |
Myrcene as an acrylonitrile scavenger
A process of reducing free acrylonitrile monomer in nitrile polymers during conversion to melt form which involves having an effective amount of an acrylonitrile scavenger such as myrcene in...
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4218222 |
Method of charging solids into coal gasification reactor
An extruder for feeding finely divided solids. And, in combination therewith, means for using gas in various ways to repulverize the finely divided solids. It lends itself to a procedure for...
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4197071 |
Safety device for continuous rotary molding machines
As described herein, there is provided safety apparatus for continuous rotary blow molding machines of the type wherein the extruder operates independently of the machine to continuously extrude...
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4191520 |
Sealing arrangement for a molding apparatus
An apparatus for forming articles of sheet material includes a chamber; a mold arranged in the chamber; a feeding device for intermittently advancing the sheet material into the chamber; a...
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4150077 |
Reducing the aging period of gaseous expansion agent foams
Apparatus and method are disclosed for reducing the aging period of foams produced using a gaseous expansion agent. In accordance with the present invention the aging period for these foams is...
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4138457 |
Method of making a plastic tube with plural lumens
A plastic tube is provided which has a main lumen, an auxiliary lumen, and an integral connector at one end for connecting the main lumen in fluid communication with another device. The auxiliary...
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4093683 |
Method for making pipe fitting coverings
A preform of a resilient thermoplastic polymeric material is first fabricated then folded into a complex tubular shape corresponding to the shape of a pipe fitting, heated while in said...
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4091062 |
Cable molding method
A method and apparatus for forming cured polyethylene insulation about high voltage cables by applying uncured polyethylene around a core of the cable. The polyethylene is heated, cured and then...
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4075267 |
Method and apparatus for making pressure plugs in cables or cable stubs with continuous air flow
A method and apparatus for forming pressure plugs in cable systems which are under continuous air pressure while maintaining a continuous air flow through the cable. A supplemental air source is...
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4025593 |
Fabrication of discontinuous fibrils
A continuous fibrillated structure, formed by the abrupt pressure release of a two-phase liquid mixture of polymer and solvent at elevated temperature and pressure so as to cause the instantaneous...
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3998531 |
Method of making protective optical components
A method of making opthalmic lenses is disclosed comprising the steps of forming at least a major body portion of a first lens body from a transparent plastic resinous material having an index of...
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3987228 |
Production of pile surfaced materials
A process of forming pile surfaced material comprising drawing fibrils from the surface of a cross-linkable thermoplastic material and cross-linking the thermoplastic while maintaining the fibrils...
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3956452 |
Dry-type isostatic pressing method involving minimization of breaks or cracks in the molded bodies
A method for avoiding cracking of the molded body during the decompression step in an isostatic pressing method of molding. The powders to be molded are housed in a shaping rubber mold, are molded...
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