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4282642 |
Method of making composite racquet construction
A racquet for use in racquet sports is disclosed. In the preferred and illustrated embodiment, a composite racquet construction is set forth which utilizes an extruded metal frame which accepts...
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4272894 |
Drying step in a method of producing ceramic articles
A method of drying green ceramic articles with a hot air stream in a drier, wherein the green articles, immediately or soon after entering the drier, are heated to 100° C. while the moisture...
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4268473 |
Aluminum-filled epoxy embossing caul and means for production
A press caul suitable for embossing wood panels to produce textured wood surface designs is described. This caul is made by casting liquid, epoxy resin filled with aluminum powder against a panel...
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4259278 |
Method of reshaping warped graphite enclosures and the like
Warped, spread apart, graphite enclosures of the type used with crucibles for "pulling" crystalline bodies, and the like are restored substantially to original "set" condition by compressing them...
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4248812 |
Process for producing a rush-like structure
A process for producing a synthetic rush-like structure which comprises causing an acrylonitrile polymer composition in a substantially melted state (Polymer A or B or C) to flow down towards a...
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4246747 |
Heat bulkable polyester yarn and method of forming same
The present invention relates to a process and product for directly producing a latent heat-bulkable yarn from the same polymer composition in the same spinning process. The self-crimping yarn is...
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4238445 |
Process for manufacturing gypsum board
A process and apparatus for producing a healed stucco having lowered water demand without loss of normal strength development potential which comprises, while blending a small amount of water with...
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4230657 |
Method and apparatus for producing artificial greenery
A method and apparatus for molding single stems and buds of greenery in flat form projecting from an elongated strip in one continuous piece, softening and curving the flat piece of spaced stems...
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4227885 |
Solution annealing of aramid and structurally related fibers
A process for improving tensile properties of aramid fibers and structurally related fibers is described. The process involves soaking the fibers in a liquid tertiary amine maintained at a...
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4228117 |
Melt spinning process for producing nylon 66 yarns
The productivity of the conventional melt spinning process for producing undrawn polyhexamethylene adipamide carpet and tire yarns is increased by utilizing a heat feed roll (e.g. 80° C.) rather...
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4225549 |
Method to increase the heat deflection temperature of amorphous polyethylene terephthalate
The heat deflection temperature of amorphous thermoformed polyethylene terephthalate is increased by removing absorbed and/or adsorbed water therefrom, as by heating in an oven, or by desiccation....
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4219521 |
Method of extruded catalyst manufacture
A method of manufacturing an extruded catalyst base or an extruded catalyst. The extrudate is dropped into the first end of a revolving drum having blades attached to its inner surface. The...
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4213249 |
Method for preconditioning lumps of sugar
This method is provided for preconditioning lumps of sugar obtained from humidified and agglomerated caster sugar, before these lumps are dried. The sugar lumps are heated, after moulding, by means...
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4213931 |
Process of manufacturing gypsum products
In manufacturing gypsum products, crushed natural dihydrous gypsum CaSO 4 .2H 2 O is molded and heat-treated in air at temperatures ranging from 100° to 200° C. The temperature is raised to a...
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4197148 |
Process for producing a permeable membrane
A process for preparing permeable membranes which comprises mixing in the molten state two different kinds of thermoplastic synthetic resins which are partly compatible with each other, shaping the...
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4193909 |
Flower pot and method for making
Disclosed is a resin-aggregate mixture comprising polyurethane resin, aggregate (sand), silane compounds, iron oxide and powdered thermoplastic resins. Flower pots from this composition are cured...
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4189456 |
Method for forming containers with foamed corners
The walls which form a packing container are made from an extruded polystyrene foam plastic material which is stiffened along variously positioned rectilinear zones in the surface by effecting an...
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4173821 |
Method of producing semiconductor devices
In the process of fabrication of semiconductor devices, a lead frame hoop supplied from a supply reel is set forward to successively enter into a series of fabricating steps. After having been...
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4165351 |
Method of manufacturing a metal oxide varistor
Disclosed is a method of manufacturing a metal oxide varistor body. Conventional manufacturing techniques through sintering are utilized on any metal oxide varistor formulation which includes...
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4160800 |
Method of forming a composite rod
The invention relates to a method of converting a flat composite strip to a round rod by changing the configuration of the strip composite to the round rod solely by the application of heat.
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4124671 |
Method for strengthening PZT transducers
A method for strengthening lead zirconate-lead titanate ceramic transducers hich comprises heating the transducer at a temperature from 900° C to 1000° C in a nonreducing atmosphere containing at...
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4117070 |
Process for preparing calcined gypsum
An improved process for producing calcined gypsum which comprises continuously treating a mass of calcined gypsum by adding, with thorough blending agitation, small metered portions of water to...
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4115562 |
Treated fabrics and process
Fabrics produced from aromatic sulfide polymers are rendered water-repellent by heat treatment near, but below, the melting point of the polymer for a finite period of time. The resulting...
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4100246 |
Method of forming a gastrointestinal tube
In accordance with a preferred embodiment of this invention, there is provided a new and improved method of forming a four-lumen gastrointestinal tube. This tube may be characterized as having two...
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4094949 |
Method for preparing shaped articles of a fluorinated elastomer
A fluorinated elastomer is blended with a poly(vinylidene fluoride) resin at a temperature between the temperature of 70° C below the melting temperature of the resin and the decomposition...
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4087505 |
Process for preparing tacky polyolefin film
A tacky polyolefin film is prepared by forming a film using a composition comprising a polyolefin resin, a low grade polyolefin and a tackifier and aging the resulting film.
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4078031 |
Method of making a magnetic flexible printing plate
A flexible resilient printing plate adapted for use on a magnetic printing cylinder is formed by mixing a ferrous metal powder within a volume of liquid vinyl plastisol, casting the mixture onto a...
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4067942 |
Heat treatment of resinous block copolymer to improve clarity
Extruded articles of resinous transparent monovinyl-substituted aromatic compound/conjugated diene block copolymer are subjected to a brief heat treatment which results in a substantial improvement...
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4053545 |
Process for manufacturing laminated structural foam articles
Novel dense foam articles having a solid plastic sheet coating on at least a portion of the surface are prepared by injection molding plastic foam into a mold containing a thermoformed solid...
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4048278 |
Method for manufacturing dimensionally-stable shaped articles
A method for making a dimensionally-stable shaped article (comprising at least one one layer of asbestos paper treated with a mineral acid selected from sulfuric acid, hydrochloric acid and...
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4042652 |
Method for the production of silicone elastomer-containing articles
A method is disclosed which involves the production of shaped silicone elastomer-containing articles. In making an article of this type, a silicone elastomer-containing mass is formed to the...
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4040233 |
Method of obtaining a filled, fluid barrier resistant plastic container
A filled, fluid barrier resistant plastic container is obtained wherein the container is exposed to a temperature in excess of 175° F., as for example being filled with a material maintained at...
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4036924 |
Process and device for molding textile materials
A textile material is molded by preheating to its transition temperature and then rapidly deformed by stretching without cooling. The deformation is maintained for a certain time at the preheating...
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4026985 |
Shirred tubular food casings having a barrier coating
There is provided a novel shirred and compressed tubular food casing, including a casing having a fibrous web embedded in the wall thereof, having a continuous barrier coating adhered to the...
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4025439 |
Dried semipermeable membrane and manufacture thereof
Dry semipermeable membranes of polyacrylonitrile or copolymers containing more than 65 wt. % of acrylonitrile are prepared by dissolving the polymer in a solvent in a solids concentration of 15-30%...
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4013747 |
Method for making spectacle frame components
A process for making spectacle frame components having reproducible color patterns by molding components using a polyepoxide, a curing agent therefor and an organic dye of a certain color, which...
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4013476 |
Non-combustible molding material
A non-combustible molding material is produced from (a) a hydraulic inorganic mixture consisting of an inorganic substance composed predominantly of silica and an inorganic substance predominantly...
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4000238 |
Method for production of synthetic yarns
An apparatus and a method is disclosed for the production of synthetic filament yarns containing substantial portions of additives which retain or develop a stickiness under certain yarn spinning...
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3998994 |
Modified copolymers
Modified copolymers which have viscosities which vary very markedly with changes in temperature are obtained by malaxating a statistical copolymer of ethylene and maleic anhydride containing...
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3997386 |
Method for bonding thermoplastic high molecular weight materials
An improved method for bonding same or different thermoplastic high molecular weight materials is described, in which the respective materials to be bonded are heated until their respective...
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3997644 |
Method for manufacturing novel cation exchangers
A cation exchanger in paper-like or felt-like form is obtained by making a fibrous sheet from a blend of polyethylene fibers into which sulfonic groups have been introduced with 0.1 to 50% by...
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3993718 |
Method of manufacturing an artificial paper
The present invention relates to a process and a composition for the manufacture of an artificial paper requiring neither calendering nor biorientation, the paper obtained having in addition to the...
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3992238 |
Method for molding a protective pad
A method for molding a protective pad or the like, and which includes a convex mold surface having a plurality of perforations therethrough, and a cooperating concave mold surface also having a...
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3992501 |
Process for the manufacture of void-free polyolefin foam moldings
Foam moldings of olefin polymers are prepared by heating, and pressing together, foamed particles of an olefin polymer, containing crosslinked constituents, in molds, a temperature gradient of from...
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3983677 |
Method of manufacturing candles with decorative items cast into the surface thereof
This application discloses a method for making a candle with stones, or other desired articles, cast into the candle about the periphery thereof. This is accomplished by the use of a two step...
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3978180 |
Method of producing a non-combustible molding material
A non-combustible moulding material is produced from (a) a hydraulic inorganic mixture consisting of an inorganic substance composed predominantly of silica and an inorganic substance predominantly...
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3971838 |
Process for continuously producing shaped articles of polystyrene foam
Flat plate-type, rod-type or shaped articles of polystyrene foam are continuously produced from preliminarily expanded beads of polystyrene or a mixture of said preliminarily expanded beads with...
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3963817 |
System for rehydration of curing of shaped activated green ceramic structures
A system for rehydration of green ceramic structures, particularly thin-walled extrusions, comprising immersing the structure into a fluid bath maintained at a temperature of 50°-100°C. The green...
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3957941 |
Process for preparing shaped article
A process for preparing a shaped article made of hydrolyzed ethylene-vinyl acetate copolymer having an improved impact resistance by conditioning the shaped article to contain water within the...
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3950478 |
Process for producing alumina fiber
Alumina fibre is prepared by spinning a solution containing an aluminium compound and an organic polymer, removing solvent and contacting the fibre with ammonia or an amine before conversion of the...
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