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Browse by Category: Main > Material Science
Class Information
Number: 264/474
Name: Plastic and nonmetallic article shaping or treating: processes > Direct application of electrical or wave energy to work (e.g., electromagnetic wave, particulate, magnetic, induction heat, sonic, electrostatic energy, etc.) > Extrusion molding > Microwave (e.g., 2.45 gigahertz, etc.)
Description: Processes wherein the directly applied energy is identified on the electromagnetic wave spectrum as existing between far infrared and conventional radio-frequency.


Patents under this class:

Patent Number Title Of Patent Date Issued
7163655 Method and apparatus for extruding polymers employing microwave energy Jan. 16, 2007
7087660 Preparation of components and articles with directed high frequency energy heated silica-rich rubber components containing high softening point polymer and sulfur curative Aug. 8, 2006
7041366 Porous silicon nitride ceramics and method for producing the same May. 9, 2006
7037459 Methods of making compositions comprising thermoplastic and curable polymers and articles made from such methods May. 2, 2006
6911174 Process of making multicomponent fiber incorporating thermoplastic and thermoset polymers Jun. 28, 2005
6852267 Method for producing tubular containers Feb. 8, 2005
6824729 Process of making a nonwoven web Nov. 30, 2004
6767498 Process of making microfilaments Jul. 27, 2004
6699426 Gypsum wallboard core, and method and apparatus for making the same Mar. 2, 2004
6660211 Methods of making biodegradable films having enhanced ductility and breathability Dec. 9, 2003
6531085 Method for improving strength of elastic strand Mar. 11, 2003
6063323 Process and installation for making extruded sintered ceramic artifact May. 16, 2000
5948194 In-line microwave heating of adhesives Sep. 7, 1999
5837184 Process for the production of cellulose fibres having a reduced tendency to fibrillation Nov. 17, 1998
5662858 Process for the production of cellulose fibres having a reduced tendency to fibrillation Sep. 2, 1997
5482660 Method for fabricating an ink jet head having improved discharge port formation face Jan. 9, 1996
5471037 Process for preparing polymeric material with microwave Nov. 28, 1995
5458824 Method of manufacturing a rubber/plastic co-extrudate Oct. 17, 1995
5346932 Silicone rubber composition and method for curing the same Sep. 13, 1994
5262099 Process of making high tenacity polyamide monofilaments Nov. 16, 1993
5019295 Foamable silicone rubber composition May. 28, 1991
4925602 Method for improving the crimping of polyolefin filter tow May. 15, 1990
4882101 Method of producing a reinforced rubber hose by using a plastic mandrel Nov. 21, 1989
4859380 Method and apparatus for producing fiber-reinforced rubber hose Aug. 22, 1989
4724107 Continuous vulcanized assembly process and apparatus Feb. 9, 1988
4702867 Method for continuously vulcanizing hoses Oct. 27, 1987
4594211 Preparing polyolefine based opaque film Jun. 10, 1986
4512942 Method and apparatus for vulcanizing hose Apr. 23, 1985
4444700 Method for manufacturing reinforced hose Apr. 24, 1984
4430278 Process for increasing the permeability of plastic membrane Feb. 7, 1984
4385024 Method for making a molded article from a curable material and a curing agent, the curing agent being in a container initially flexible and infrangible which is made frangible May. 24, 1983
4384049 Composition and product comprising a blend of chlorinated polyethylenes, a heat stabilzing agent a cross-linking agent and a foaming agent May. 17, 1983
4372898 Process of crosslinking electrical insulators of plastic or rubber Feb. 8, 1983
4329135 Device for the continuous thermal or thermo-chemical treatment of objects by emission of micro-waves May. 11, 1982
4122137 Radiation cure of rubber sheets Oct. 24, 1978
4104098 Method and apparatus for curing and reinforcing hose Aug. 1, 1978
4003554 Equipment for heating polar polymers to the temperature at which they become plastic Jan. 18, 1977



 
 
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