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Class Information
Number: 264/102
Name: Plastic and nonmetallic article shaping or treating: processes > Vacuum treatment of work > To degas or prevent gas entrapment
Description: Processes in which the vacuum is directly applied to a element or material to remove trapped gases or prevent gases from being entrained or trapped in a workpiece or material.










Patents under this class:
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Patent Number Title Of Patent Date Issued
4578455 Process and apparatus for removing volatile constituents from polymer melts or pastes Mar. 25, 1986
4571313 Process for the production of plastic optical fibers Feb. 18, 1986
4569808 Glass repair method and apparatus Feb. 11, 1986
4565512 RAM Extruders Jan. 21, 1986
4562990 Die venting apparatus in molding of thermoset plastic compounds Jan. 7, 1986
4562033 Method of manufacturing articles from a composite material Dec. 31, 1985
4560523 Intrusion molding process for forming composite structures Dec. 24, 1985
4544345 Device for the production of molded articles from a pourable substance Oct. 1, 1985
4541977 Method for producing separating nozzle elements Sep. 17, 1985
4540536 Method of manufacturing transformer windings embedded in casting resin Sep. 10, 1985
4539168 Device and process for making thin-walled wax models for lost-wax casting Sep. 3, 1985
4537737 Method and equipment for processing a plasticizable material Aug. 27, 1985
4536359 Method of manufacturing carbon electrode Aug. 20, 1985
4528324 Process for producing RTV silicone rubber compositions using a devolatilizing extruder Jul. 9, 1985
4517147 Pressing process for composite wood panels May. 14, 1985
4517137 Method and apparatus for impregnating porous electrodes or the like May. 14, 1985
4515629 Degassing metal powder May. 7, 1985
4503005 Process for producing an aromatic polyester fiber Mar. 5, 1985
4493807 Process for producing sheet-like structures from vinyl alcohol polymers Jan. 15, 1985
4493806 Recycling of contaminated plastic Jan. 15, 1985
4490104 Apparatus for separating a low viscosity material from a high _viscosity material Dec. 25, 1984
4489119 Laminated structure Dec. 18, 1984
4484878 Filling level monitoring device Nov. 27, 1984
4485060 Process for preparing dust-free particles Nov. 27, 1984
4482515 Method of and apparatus for producing molded articles from pourable compounds Nov. 13, 1984
4478777 Method for making an elastomeric member with end pieces Oct. 23, 1984
4473673 Cast polyester resin process and product Sep. 25, 1984
4459255 Catheter distal end finishing method Jul. 10, 1984
4457797 Process for thermoforming reinforced polymer sheets Jul. 3, 1984
4447373 Process for making filled articles from polymeric material May. 8, 1984
4439386 Vacuum injection molding process Mar. 27, 1984
4419305 Method and apparatus for windshield repair Dec. 6, 1983
4417864 Vacuum type brick forming machine Nov. 29, 1983
4416841 Method for centrifugal casting of thermosetting plastics Nov. 22, 1983
4412804 Apparatus for injection molding of precision parts Nov. 1, 1983
4409167 Process for extruding a modified high molecular weight poly(ethylene terephthalate) resin Oct. 11, 1983
RE31355 Method for hot consolidating powder Aug. 23, 1983
4396572 Support for porous barriers made of baked ceramic material Aug. 2, 1983
4389367 Fluid molding system Jun. 21, 1983
4385015 Repair of shatterproof glass May. 24, 1983
4382201 Ultrasonic transducer and process to obtain high acoustic attenuation in the backing May. 3, 1983
4374081 Cure of epoxy systems at reduced pressures Feb. 15, 1983
4374080 Method and apparatus for encapsulation casting Feb. 15, 1983
4373885 Vacuum system for a moving production line Feb. 15, 1983
4370294 Compacting particulate material into a body Jan. 25, 1983
4369278 Resin composition for injection molding and method for producing the same Jan. 18, 1983
4363832 Method for providing ceramic lining to a hollow body by thermit reaction Dec. 14, 1982
4359437 Method and apparatus for producing a thin-walled article of synthetic resin, in particular a large-sized article Nov. 16, 1982
4353862 Method for making sound board Oct. 12, 1982
4350545 Method of laminating plastic sheets Sep. 21, 1982

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