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4382056 |
Continuous process and apparatus for fabricating fiber reinforced plastic grating articles
A process and apparatus for the continuous production of fiber reinforced plastic grating articles and other elongated structures of varying cross section configurations are provided wherein...
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4379111 |
Method for producing chromium oxide coated refractory fibers
A ceramic fiber and a shrink resistant article manufactured therefrom. The fiber comprises at least 80 weight percent of a refractory compound selected from the group consisting of silica, alumina,...
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4376812 |
Three color high pressure decorative laminate having registered color and embossing
A decorative laminate having registered color and embossing is produced by effecting a simultaneous embossing and laminating using a three-dimensional press plate acting against a release sheet...
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4370188 |
Method and apparatus for insulating coils for rotary electric machines
The wrapped insulation on the straight parallel sections of coils for larger rotary electric machines is treated under heat and pressure in a preferably double-sided coil press in which pressure is...
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4368164 |
Glass fiber compounding in gaskets as asbestos replacement
A method of dispersing glass fibers in a rubber solution comprises forming a rubber-bonded glass sheet and dissolving the rubberbond of the glass sheet in a rubber solution comprising rubber and a...
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4367189 |
Bearing
This invention is a bearing tube for a marine propeller shaft, and a method of making such a tube according to which polyacrylonitrile or other fibres (8) carrying a sticky resin (7) are wound onto...
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4366108 |
Liquid matrix system based on a mixture of epoxide resin and an amine curing agent for producing fibre-reinforced plastics components
Liquid polyglycidyl compounds, diethyltoluylenediamine, a curing accelerator and optionally further additives form a liquid matrix system with which fibres and fibre shapes are impregnated by known...
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4364894 |
Method for molding a reinforced plastic tubular body having a socket, and mold therefore
Apparatus and method for molding a reinforced plastic tubular body having a socket, and a mold for carrying out the method. The steps of the method are assembling a main mold body having a...
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4357292 |
Method of molding in solid floor plate to a fiberglass reinforced molded resin grating
Metal shims are positioned within intersecting slots of a lower mold member, normally employed in the molding of an open grid fiberglass reinforced molded resin grating with the shims being of a...
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4356137 |
Process for preparing friction clutch facing
An improved process for preparing friction clutch facings comprising continuous fiber strand or filament wherein the continuous strand is extrusion-coated with an uncured or partially-cured...
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4353964 |
Process for the manufacture of a composite fiber component
A method for the manufacture of a composite fiber component having a high rface quality wherein a glass mold having a smooth surface is coated with a separating layer which can be loosened from the...
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4352769 |
Method for simultaneously molding a plurality of products
A plurality of reinforced plastic parts are simultaneously molded from separate bundles of resin impregnated strands wound about individual frame sections of a substantially planar frame assembly....
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4343843 |
Fiber reinforced epoxy resin article
A fiber reinforced epoxy resin article in which a Lewis base is employed as the catalyst for the addition reaction of a phenolic or alcoholic hydroxyl group and the oxirane group of the epoxy...
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4342718 |
Method and apparatus for the thermal treatment of impregnated material webs
A material web impregnated with a settable synthetic resin travels in vertical direction, from the bottom towards the top, through a first heat treatment zone where the solvent of the synthetic...
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4329306 |
Heat curable processable epoxy compositions
Aromatic onium salts, such as diaryliodonium salts, have been found to be effective thermal initiators for the polymerization of epoxy resins having a viscosity of up to about 100,000 centipoises...
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4329194 |
Method for constructing fiberglass articles
A method of constructing a fiberglass structure features that enable a gelcoat protective layer to be applied to an article formed in an automatic process. In the process, a web of fiberglass is...
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4318762 |
Method and apparatus for sequentially forming a molded product
A reinforced plastic product is molded from a bundle of resin impregnated strands with the bundle being sequentially advanced from a supply station to a molding station by two pairs of clamping...
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4316969 |
Cured novolak fiber-reinforced, chlorinated rubber molded articles having excellent flame-proofness, and process for the preparation thereof
This invention relates to a cured novolak fiber-reinforced, chlorinated rubber molded article having excellent flameproofness, the main components of which are (A) fibers or a fibrous structure...
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T101401 |
Process and apparatus for forming elongate glass fiber reinforced products
The process and apparatus for continuously forming glass fiber reinforced products employs a preform produced by drawing continuous glass fibers through a resin bath and stripping die. This preform...
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4305770 |
Fabrication of fiber reinforced resin structures
A resin reinforced fiber structure is formed by coating and curing the resin of resin coated fibers in air form a hard gel surface is passed in contact with a mass of particles maintained at a...
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4298562 |
Method for manufacturing sealing rings
The method comprises taking textile or synthetic threads and impregnating the threads by passage in a bath of an elastomer or plastomer material. Thereafter a band is formed from the impregnated...
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4297253 |
Method of making moldable product
A product which can be molded to form a food container. The product is composed of lignin fibres or fibrils which are impregnated with a polymerizable resin, in one or more steps. The fibrils or...
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4296060 |
Method of producing a pultruded, fiber reinforced rod
A system for forming twisted pultruded fiber reinforced rods is disclosed. In the system of the invention fibers are coated with a resin, drawn through a shaping die and then after at least...
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RE30770 |
Method for fabricating improved fiber reinforced plastic rods having a smooth surface
This invention relates to a method and apparatus for fabricating continuously a solified elongated rod or hollow shapes of various geometric cross sections of fiber reinforced plastic having a...
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4289720 |
Process for producing a thermal-resistant ceramic fired body
A process for producing a thermal-resistant ceramic fired body is disclos As an additive for ceramic powder is used at least one specified organosilicon polymer selected from the group consisting...
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4289168 |
Method for making pipe of fabric impregnated with resin
The invention is a method for the manufacture of hollow bodies, particularly pipes, from fabric reinforced resin by forming a coil of fabric impregnated with resin, which is dried, preheated, and...
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4281102 |
Tackifier for addition polyimides containing monoethylphthalate
An improvement of addition polyimides wherein an essentially solventless, high viscosity laminating resin is synthesized from low-cost liquid monomers. The improved process takes advantage of a...
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4276337 |
Reinforced plastic grating articles and continuous process for forming same
A process and apparatus for the continuous production of fiber reinforced plastic grating articles is provided wherein continuous strands of fibers are coated with a thermosetting plastic resin...
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4268562 |
Laser resistant ceramic composite
A hot pressed, biaxially oriented, alumina fiber reinforced, ceramic composite having alternate layers of parallel running alumina fibers within a glass matrix such that the fibers of one layer are...
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4268468 |
Method of making a medical prosthesis
A bone replacement, for example a portion of a hip joint, a bone junction plate, or the like, includes a core element of a fiber-reinforced thermosetting material with a surface element made of a...
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4263243 |
Method for making a flexible bearing
A strong, light-weight flexible bearing, particularly suitable for use in mounting a movable thrust nozzle to a rocket case, is made by stacking reinforced plastic shims, having the forms of...
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4252696 |
High-speed pultrusion polyester resins and process
The speed of pultrusion can be increased and the quantity of pultruded products can be improved by using a polyester resin composition containing 4-10 parts of certain cellulose acetate butyrate...
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4251581 |
Moldable non-woven structured textile sheets comprising co-polymeric impregnant consisting essentially of 75-95% by weight of a thermoplastic component and 25-5% by weight of a plasticizing component
A structured, permanently moldable textile sheet is impregnated on the backside only with an aqueous synthetic resin dispersion, comprising a synthetic resin which comprises 75-95% by weight of a...
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4249972 |
Method for manufacturing girdles
A method and apparatus for manufacturing lined latex girdles in which one end of a fabric sheath which will form the liner of a latex girdle is sewn or otherwise held closed together and slipped...
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4244765 |
Method for manufacturing a resin-reinforced carbon fiber product
A method for manufacturing a resin-reinforced carbon fiber bar product in which thermal setting resin-impregnated carbon fibers are heated to a temperature sufficient to set the resin to semi-solid...
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4239719 |
Method for continuous production of corrugated sheets
A method for continuous production of corrugated sheets of fiber-reinforced thermosetting resins, wherein a web of pre-impregnated material is corrugated by moving the web on elongated carrier...
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4233258 |
Method for preparing addition type polyimide prepregs
A novel addition polyimide based on the use of liquid monomers wherein the essentially solventless prepreg produced therefrom retains good drape, tack and other mechanical properties.
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4231979 |
High surface area permeable material
Three-dimensional structures providing a plurality of separate interpenetrating, three-dimensional domains or channels or flowpaths, each of said domains or channels or flowpaths being a closed...
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4229242 |
Method and apparatus for pressing and curing resin-impregnated wrappings about coils
The wrapped insulation of coils of large electric machines--motors or generators--is set by heat and pressure in a press that extends the length of both wrapped legs of the coil and supports the...
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4221619 |
Sponge carrier adhesive process
A flexible, e.g. polyurethane, open cell foam sheet is impregnated with a controlled amount of a liquid polymerizable resin system which cures at ambient temperature, and the resin impregnated...
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4218350 |
Shaped synthetic polymers containing a biodegradable substance
In the manufacture of products made of starch filled plastics the polymer and starch granules are mixed with a lubricant immediately prior to forming. A feedstock material in accordance with the...
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4216251 |
Method of producing a leather-like sheet material having a high-quality feeling
A leather-like sheet material bearing a remarkable resemblance to high-quality leathers of natural origin, especially in respect of flatness, bending crimp, grain and feeling, is produced by...
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4213930 |
Method for increasing the surface tack of prepreg materials
A method for supplying a prepreg having substantially no excess resin while at the same time having an aggressive tack. Small discrete amounts of additional resin are selectively applied to a...
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4209486 |
Process of inlaying a design in molded simulated marble
A process of inlaying a design in molded simulated marble or the like comprising the steps of applying a release coating to the inner bottom surface of a mold, applying a transparent gel coat on...
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4209482 |
Method of producing shaped bodies of reinforced synthetic resin
Synthetic resin bodies reinforced with fiber, roving or the like can be made, in accordance with the invention, by impregnating the reinforcing material with synthetic resin and then casting a...
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4205408 |
Boat hull and method of forming same with fibrous stamp elements
A building element useful in constructing plastic boat hulls and methods of making the element. The building element includes a plurality of glass fibers in the form of roving which are...
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4201823 |
Method for making fiber reinforced articles
This invention is directed to an improved process for making fiber reinforced articles comprising the steps of (a) applying a preformed plastic shell having the configuration of the desired article...
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4199388 |
Method for making a multi-ply continuous filament ballistic helmet
Method for making a laminated ballistic helmet from plural, continuous filament resin-coated layers. A continuous filament bundle, yarn or end is deposited on a plurality of different sized...
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4195050 |
Method for making a filter
Method for making a filter which comprises a plurality of closely juxtaposed tubes made of a filter material and packed tightly in a tubular envelope. Both ends of the tubes are initially closed....
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4187271 |
Method of making same
Method of making a casing reinforced by a stretchable glass fiber preform is disclosed. The casing may be reinforced by metal or a glass fiber mat which is shaped to provide positive engagement...
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