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Class Information
Number: 264/45.7
Name: Plastic and nonmetallic article shaping or treating: processes > Pore forming in situ (e.g., foaming, etc.) > Composite article making > Utilizing rotational molding operation
Description: Processes wherein foaming is caused in a rotational mold or in which the feedstock is forced into the mold by centrifugal force.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8628704 Rapid rotational foam molding process Jan. 14, 2014
8496860 Foam-backed, hollow articles made by cold rotational molding Jul. 30, 2013
8435436 Method for forming tail fin of wind turbine May. 7, 2013
8337741 Method for operating a rotary press and concentrically running press Dec. 25, 2012
8147733 Process for producing plastic foam composite Apr. 3, 2012
8133425 Rotary moulding Mar. 13, 2012
8101111 Method for the production of molded skins from a plurality of plastic materials having improved properties during airbag deployment at low temperatures Jan. 24, 2012
7785506 Method for rotational moulding of a workpiece comprising a thermoplastic foam layer Aug. 31, 2010
7582238 Surfboard Sep. 1, 2009
7332113 Method for the production of a biocompatible polymer-ceramic composite material with a predetermined porosity Feb. 19, 2008
7273571 Molded table and its method of manufacture Sep. 25, 2007
7125083 Wheel with dual density Oct. 24, 2006
6908577 Process for manufacturing a capital for an architectural column Jun. 21, 2005
6716384 Process for the rotational molding of polyurethane articles Apr. 6, 2004
6579481 Process for manufacturing a capital for an architectural column Jun. 17, 2003
6485088 Sheathing material for a construction machine and method for producing the same Nov. 26, 2002
6398995 Rotationally molded door with integrally molded hinge member Jun. 4, 2002
6316512 Silane-grafted materials for solid and foam applications Nov. 13, 2001
6303060 Method of making non-deflatable tire and wheel assembly Oct. 16, 2001
6261490 Rotational moulding Jul. 17, 2001
6199593 Production of pipes insulated with foams Mar. 13, 2001
6180203 Rotational moulding process Jan. 30, 2001
6165397 Method for making tires and the like Dec. 26, 2000
6116374 Molded sound enclosure, and methods of making same Sep. 12, 2000
6103153 Production of foamed low-density polypropylene by rotational molding Aug. 15, 2000
6103775 Silane-grafted materials for solid and foam applications Aug. 15, 2000
6083434 Rotational molding process for producing foamed articles Jul. 4, 2000
6077907 Molded polyolefin parts of improved dimensional stability at elevated temperatures and improved stiffness Jun. 20, 2000
6060006 Method of manufacture of synthetic stone article May. 9, 2000
6010650 Production of pipes insulated with foams Jan. 4, 2000
5928584 Foamable compositions for rotational molding Jul. 27, 1999
5922778 Rotational molding compositions and process for producing foamed articles therefrom Jul. 13, 1999
5912315 Polymer composite, its molded article, and laminate Jun. 15, 1999
5883144 Silane-grafted materials for solid and foam applications Mar. 16, 1999
5883145 Cross-linked foam structures of polyolefins and process for manufacturing Mar. 16, 1999
5837171 Method of encapsulating and sterilizing waste products for disposal or reuse Nov. 17, 1998
5830392 Compositions and process for rotational molding articles Nov. 3, 1998
5798437 Thermoplastic block copolymers Aug. 25, 1998
5783611 Composition and process for rotational molding foamed articles Jul. 21, 1998
5741454 Method of making composite tiles containing waste plastic Apr. 21, 1998
5693271 Rotationally molding an insulated plastic molded door with integral hinge Dec. 2, 1997
5683636 Method of fan blade manufacture Nov. 4, 1997
5645779 Molding part of thermoplastic resin and method of fabricating same Jul. 8, 1997
5639847 Preparation of conductive polyurethanes using a conductive quasi-solution Jun. 17, 1997
5639801 Processing of anhydride-containing thermoplastic resins Jun. 17, 1997
5624614 Methods of forming carvable shell articles Apr. 29, 1997
5622763 Hydrocarbon vapor-impervious containers and process for producing them Apr. 22, 1997
5587117 Process for insulating pipes using polyurethane rigid foams by the rotational casting process Dec. 24, 1996
5534299 Process for insulating pipes Jul. 9, 1996
5470515 Rotational molding process for insulating pipes Nov. 28, 1995

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