Patent · US Expired

Porous layer for a pressure casting mold

US5102321A · kind A · utility

0Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 22, 1991
Grant dateApr 7, 1992
Priority date
Expiry dateMay 22, 2011

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB28B1/263
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A pressure casting mold used to mold sanitary earthenware, including a porous layer composed mainly of resin material, a filler, a curing agent and water, the filler being formed of fibers and particulates of glass material, an average diameter of the fiber filler being 1 through 10 .mu.m, and an average length of the fibers being 20 through 100 .mu.m, and the diameter of the particulate filler being 10 through 50 .mu.m, thereby obtaining a porous layer which in use is hard to clog and is high in durability.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.