Patent ID: 8092730
Filing Date: 2012-01-10
Classification: A46B,B08B,B29C,B29L,C08J,H01L

Abstract:
1. A method comprising: molding a rotatable base from a moldable thermoplastic material comprising a blowing agent with a mold, said mold having one or more mold plates and said mold plates having one or more mold pins to form one or more openings in the surface of the rotatable base, said rotatable base has a first end, a second end, an inner surface and an outer surface; the inner and outer surfaces of the base interconnected by said one or more openings, said openings distribute a liquid from the inner surface of the rotatable base to the outer surface of the rotatable base, said mold pins have an axis substantially parallel to a separation axis of each said mold plate.