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4851264 |
Reinforcement of refractories by pore saturation with particulated fillers
A process for reinforcing porous refractories with fillers, such as carbon particles, is provided. First, filler particles are mixed with a liquid resin to produce a liquid mixture. The mixture is...
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4847031 |
Evaporating boats containing titanium diboride
Self-resistance heated, electrically conductive, refractory evaporating boats containing titanium diboride can be reclaimed for reuse. If there is aluminum adhering to the boats, they are first...
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4842787 |
High speed process for production of oriented structural yarn/polymer matrix composite structural parts
A method of molding oriented structural yarn/polymer matrix composite structural articles in which a preform of oriented yarn layers saturated with a resin is placed in a shape-defining mold, which...
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4840764 |
Controlled wall casting process
A method for forming a cast replica of an article, including: forming an outer mold around the article with a first molding material, the outer mold having an inner surface substantially conforming...
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4839114 |
Method of manufacturing an electrically conductive thermoplastic material
A method of manufacturing a highly electrically conductive plastic material from thermoplastic resin and carbon fill through a two-screw mixer having a screw length of more than twenty times the...
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4839120 |
Ceramic material extruding method and apparatus therefor
A method of extruding a ceramic batch supplied from a vacuum auger machine into a formed body by a plunger molding machine, included the steps of loosening and crushing a supplied ceramic batch in...
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4830801 |
Degassing process for a worm extruder
Process for a worm extruder or continuous kneader to produce either a degasses paste or plastic composition is disclosed. A mixture of either solid or liquid organic peroxides in the paste or...
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4826931 |
Tablet for resin-molding semiconductor devices
A resin-molding tablet for use in resin-molding semiconductor devices has a tablet body formed of powdered or particulate resin. The particles of the resin are compacted such as to form voids...
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4824631 |
Method of manufacturing a contoured elastomeric pad
Uncured elastomeric sheet material (42) is built up on the outer surface of a production article (36) constructed from composite materials. A vacuum bag system (20, 24, 26, 30, 32) is used for...
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4822269 |
Vent type injection molding machines
In a vent type injection molding machine of the type comprising a heating cylinder, injection nozzle means having a vent port and connected to the front end of the heating cylinder and a...
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4820463 |
Process of degassing and pelletizing polyolefins
The invention relates to a process for degassing and pelletizing polyolefin particles produced by a gas phase polymerization. The polyolefin particles are submitted to a primary degassing,...
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4816106 |
Method for the controlled curing of composites
A composite structure is prepared in a mold using an elastic diaphragm which allows the application of a uniformly distributed pressure during a curing cycle. The elastic diaphragm seals a resin...
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4810444 |
Method for making mat-molded rim parts
A process for the preparation of molded high strength composites comprising fibrous reinforcing material impregnated with a reaction injection molded polyisocyanurate resin. The process comprises...
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4808362 |
Hollow reinforced fiber structure formed by resin transfer molding
A method of forming a hollow reinforced fiber structure includes the steps of providing fiber reinforced material around a flexible expandable member and placing the resulting package inside of a...
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4805914 |
Golf ball and method of making the same
A game ball, particularly a golf ball, having a liquid core, in which some portion of the dissolved gases in the liquid are removed to decrease the compressability of the liquid core.
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4800049 |
Process and apparatus for obtaining plastic molded objects
A process and an apparatus obtain plastic molded objects according to a technique which consists of introducing the plastic into a silicone elastomer mold, then inserting this mold into a high...
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4797236 |
Ultrahigh speed injection molding method
A method for injection molding a material involving bringing the interior of a tightly sealed injection mold under a high vacuum, then injecting the material into the interior of the injection mold...
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H000565 |
Method for manufacturing thick glass phenolic laminates
A vacuum bag autoclave type procedure for curing layers of phenolic resin pregnated fibrous material to form a composite structural part. A straight up heat rise cure cycle is employed in...
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4792424 |
Method of injection molding PVC products
The present disclosure is directed to a method of injection molding PVC products from powdered raw material, while employing an injection molding machine having a plasticizing unit having a rotary...
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H000559 |
Advancing gelation front cure technique
A method for curing resin in the fabrication of a composite material is described comprising enclosing the composite material within a flexible vacuum enclosure, and substantially simultaneously...
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4784814 |
Pressure reaction injection molding process for making molded bodies of thermosets optionally containing filler and/or reinforcing material
Molded bodies of thermoset material are produced from monomers, oligomers or higher pre-polymers of reactive resins by pressure reaction injection molding. The molded bodies may contain filler...
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4781870 |
Large mirror replication process
A mirror--typically of the spherical or aspherical variety--is replicated on a large scale (in the order of 2'×4') to an optical accuracy in the range of less than one arc minute. An optical...
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4776907 |
Method of providing resin free surfaces adjacent a bonded joint
A method of resin bonding opposing surfaces of a pair of members for providing a joint having substantially resin free surfaces adjacent the joint. The adjacent surfaces and the joint are covered...
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4770835 |
Method for molding using a dual solid flowable polymer system
A method of molding an article utilizing two types of solid flowable particulate polymer pressurizing media wherein one medium is protected from thermal degradation by a second medium. The method...
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4769100 |
Method of applying carrier films prepainted with metallic paint to automobile body panels
A method of applying a carrier film prepainted with metallic paint containing metal flakes to an automobile body panel in a vacuum forming process.
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4755341 |
Method of vacuum bagging using a solid flowable polymer
A method particularly adapted for making a complex shaped composite component that has reduced bridging defects. The method comprises disposing a composite prepreg on to a substantially flat tool....
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4755343 |
Method of molding using a solid flowable polymer medium with metal additives
A flowable particulate polymer-metal mixture that is thermally conductive and is particularly adapted for use as a pressurizing medium in a high pressure elevated temperature molding process. The...
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4751488 |
High voltage capability electrical coils insulated with materials containing SF.sub.6 gas
A coil is made having a plurality of layers of adjacent metal conductor windings subject to voltage stress, where the windings have insulation therebetween containing a small number of minute...
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4747985 |
Method for the manufacture of a magnesia-carbon brick
A method for the manufacture of a magnesia-carbon brick comprising the steps of: a. preparing a mixture comprising: 1. burned magnesite 2. carbon 3. binder solution comprising 3.1...
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4746482 |
Method for the manufacture of a thermoplastic molding material containing polyphenylene ether
The invention relates to a method for the manufacture of molding materials containing polyphenylene ether (PPE) and to the materials obtained according to this method. Molten PPE containing at...
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4744934 |
Process for devolatilizing molten oxymethylene polymer
A process is provided for reducing black speck formation which occurs during melt processing of oxymethylene polymer compositions containing polyamide stabilizers having a melting or softening...
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4743420 |
Method and apparatus for injection molding a thin-walled plastic can
A mold assembly for producing a container having a closed bottom is disclosed. Inner and outer core members are closely spaced together to provide a cavity for forming a container having a wall...
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4740346 |
Perimeter resin feeding of composite structures
A resin transfer molding system includes a plurality of ports for injecting resin into reinforcement material, which preferably comprises fabric, disposed between upper and lower mold pieces to...
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4737328 |
Infiltration of material with silicon
A process for producing a composite by embedding a porous body at least partly composed of a substance which reacts with silicon in a powder mixture composed of silicon and hexagonal boron nitride...
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4732721 |
Method for production of shaped bodies of metal salts of polyacrylic acid
A method for production of a shaped body having high mechanical strength, high modulus of elasticity, and good mold-releasing property, the method comprising steps of charging a metal salt of...
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4725392 |
Compression moldable aromatic polyamide powder and process for producing a compression molded article from the same
A new type of aromatic polyamide powder including a large number of fine coalescible particles which have an average size of from 0.1 to 10 μm, which include at least one aromatic amide polymer...
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4724110 |
Method of making a test phantom
Method for making a test phantom and is disclosed which phantom is representative of human tissue containing variable concentrations of iodine to serve as a test device for assessing the...
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4720365 |
Manufacture of detergent bars
A method and apparatus for preparing multicolored soap bars by injecting a colored liquid phase into a soap mass wherein (i) The soap mass is passed through an apertured plate to form rods, ...
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4715919 |
Interfacial bonding of polymeric laminae in the solid state
The invention relates to chemically bonded laminated structures and their production from oriented polymeric laminae. The bonds between the contacting lamina are formed by chemical reaction across...
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4710334 |
Method of preparing a template
A method of preparing a template for a product from a sample of the product. The ultimate template is either larger or smaller in size than the sample. Initially, a mixture of liquid rubber and a...
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4708889 |
Glass repair of hermetic packages
A method for repairing fine leaks in the envelope of hermetically sealed packages is accomplished by using a liquid silicate and solvent mixture which is liquid well below the melting point of...
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4704240 |
Method of fabricating tubular composite structures
A method of fabricating a fiber reinforced resin composite article having tubular structures that has improved density and fewer voids. The method comprises laying up a prepreg that has at least...
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4693858 |
Method of processing hydrocolloid dressings
A method of processing hydrocolloid adhesive material includes the steps of extruding a sheet of the hydrocolloid adhesive material from a vacuum extruder, applying a liner of release material to...
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4692290 |
Process for devolatilizing molten oxymethylene polymer
A process is provided for removing volatile materials from a molten oxymethylene polymer, according to which the molten polymer is passed through a rotating disk polymer processor having at least...
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4692291 |
Molding method using fast curing fiber reinforced, low viscosity thermosetting resin
A method of making a resin-impregnated molded fiber reinforced article including use of a thermosetting resin having a specified low viscosity and fast curing time with a specified fiber content...
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4687614 |
Process for producing a high integrity container
A high integrity container having a three-layered structure that is suitable as a container for use in storage and disposal of radioactive wastes or industrial wastes can be fabricated by casting a...
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4686073 |
Device for casting electric components
Electrical components permanently applied to terminal carrier plates are cast with casting resin in a casting mould. The mould includes (a) a lower mould component, provided with a silicon rubber...
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4683099 |
Moulding of composite materials
A method of moulding composite materials in which prepregs of resin impregnated filaments are interposed between a shaped partially contained polytetrafluoroethylene body and a die. The assembly is...
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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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4671761 |
Apparatus for producing reinforced elongate bodies
A shear head in which an extruded vulcanizable composition meets preheated reinforcing strands has a compartment adjacent a mouth of the head which is evacuated to reduce the danger of gases...
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