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Class Information
Number: 264/45.5
Name: Plastic and nonmetallic article shaping or treating: processes > Pore forming in situ (e.g., foaming, etc.) > Composite article making > Autogenously formed surface layer or base supplies surface (e.g., skin forming, etc.)
Description: Processes wherein: (1) The surface of a preformed material is treated so as to form a foam or, (2) Wherein a foam from a single foamable material is formed and the density of the foam at its exterior surface is different from the density of the foam in the interior thereof.










Sub-classes under this class:

Class Number Class Name Patents
264/45.6 Foam surface layer produced by surface treatment of preformed base material 54


Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8679620 Foamed product and manufacturing method of the same Mar. 25, 2014
8580058 Structurally reinforced members Nov. 12, 2013
8551374 Method for producing continuous expanded polystyrene foam parts Oct. 8, 2013
8518310 Process for producing a dried composite semipermeable membrane Aug. 27, 2013
8397932 Plastic container having pearl-like appearance and process for producing the same Mar. 19, 2013
8388875 Mold goods and insert molding method Mar. 5, 2013
8283021 Leather-like sheet and method of producing leather-like sheet Oct. 9, 2012
8236212 Method of forming a hardened skin on a surface of a molded article Aug. 7, 2012
8227075 Foamed product and manufacturing method of the same Jul. 24, 2012
8221662 Injection mold for the production of an injection-molded part from a rigid plastic layer and a plastic foam surface layer Jul. 17, 2012
8178014 Methods of forming an elongated ethylenic foam structure May. 15, 2012
8163211 Panel and method for manufacturing the same Apr. 24, 2012
8147733 Process for producing plastic foam composite Apr. 3, 2012
8124219 Resin panel and manufacturing method therefor Feb. 28, 2012
8101102 Method for improving the resistance of fumigant sorption in an expandable polymer produce container and a related container Jan. 24, 2012
8080193 Method for the production of a sound insulation molding with mass and spring Dec. 20, 2011
8057717 Method for assembling articles Nov. 15, 2011
8048347 Method of manufacture of a foamed core class "A" article Nov. 1, 2011
7976749 Injection process for making a moulding completely recyclable, multilayered article Jul. 12, 2011
7942274 High-throughput asymmetric membrane May. 17, 2011
7938228 Process for producing sound absorber and produced by the process, sound absorber and sound absorbing structure May. 10, 2011
7867416 Thermoplastic elastomer composition for core-back system foam injection molding and foam injection molding method using the same Jan. 11, 2011
7837909 Mesostructured inorganic materials prepared with controllable orientational ordering Nov. 23, 2010
7837910 Method of forming a hardened skin on a surface of a molded article Nov. 23, 2010
7718102 Froth and method of producing froth May. 18, 2010
7670517 Method of producing polyurethane foam sheet and laminated sheet using same Mar. 2, 2010
7652075 Surface-compacted foam Jan. 26, 2010
7556756 Production method of polyurethane foam molded article Jul. 7, 2009
7540985 Method of producing a polyurethane foam molded article Jun. 2, 2009
7335721 Polytetrafluoroethylene treatment Feb. 26, 2008
7294295 Method of manufacturing molded product of foamed resin and apparatus for molding foamed resin Nov. 13, 2007
7273571 Molded table and its method of manufacture Sep. 25, 2007
7192543 Method and mould for manufacturing a moulded article comprising at least an elastomeric polyurethane skin Mar. 20, 2007
7157028 Method of making ventilative insole Jan. 2, 2007
7094299 Method for robotically applying large volumes of structural foam within automotive applications Aug. 22, 2006
7077986 Method for formation of polymer Jul. 18, 2006
7077987 Foam injection molding method Jul. 18, 2006
7067616 Polytetrafluoroethylene treatment Jun. 27, 2006
6988521 Non-inflatable tire and manufacture method thereof Jan. 24, 2006
6893587 Method of manufacturing a foam-molded product May. 17, 2005
6884380 Method of injection molding of thermoplastic resin Apr. 26, 2005
6855740 Foamed molded bodies made from silicon and use of said produced products Feb. 15, 2005
6818333 Thin zeolite membrane, its preparation and its use in separation Nov. 16, 2004
6783711 Process for preparing a sulfonamide polymer matrix Aug. 31, 2004
6780356 Method for producing an inorganic foam structure for use as a durable acoustical panel Aug. 24, 2004
6764564 Manufacturing method for synthetic leather Jul. 20, 2004
6742622 Molded foam resin, process for forming the same and speaker diaphragm consisting of the same Jun. 1, 2004
6730247 Process for the production of a layer shaped part, in particular a polyurethane skin layer, by a reaction injection moulding process May. 4, 2004
6716379 Polymer foam plank with densified skin, method and apparatus for producing a densified skin on a foam plank Apr. 6, 2004
6706222 Molding method for making plastic foam-backed shells Mar. 16, 2004

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