Porous mold for pressure slip casting
AssigneeToto Ltd.
InventorsHaruyuki Ito, Akio Matsumoto
Life of this patent
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Abstract
A porous mold for pressure slip casting, which includes: a surface porous layer having an average pore diameter of at most 20 microns and a thickness of 5 to 40 mm; an adhesive applied in a pattern to the rear surface of the surface porous layer to leave an unapplied portion on the rear surface; a coarse porous layer covering the adhesive applied and unapplied portions of the rear surface of the surface porous layer and made of a mixture of a liquid resin and a filler of a particle diameter of 0.1 to 5.0 mm at a volume ratio of 15 to 50:100, the coarse porous layer having a thickness of 5 to 30 mm; a sealing adhesive covering substantially the outer surface of the coarse porous layer; and a passage for water from and air into the coarse porous layer.
Claims5
A porous mold for pressure slip casting, said porous mold comprising:
- a surface porous layer having an average pore diameter of at most 20 microns and a thickness of 5 to 40 mm, said surface porous layer having a molding surface and a rear surface located opposite to said molding surface;
- an adhesive applied in a pattern to said rear surface of said surface porous layer to leave an unapplied portion on said rear surface;
- a coarse porous layer covering the adhesive applied and unapplied portions of said rear surface of said surface porous layer, said coarse porous layer being made of a mixture of a liquid resin and a filler of a particle size of 0.1 to 5.0 mm at a volume ratio of 15 to 50:100, said coarse porous layer having a thickness of 5 to 30 mm;
- a sealing adhesive resin covering substantially an outer surface of said coarse porous layer;
- and
- means for passage of water from and air into said coarse porous layer.
Dependencies are inferred from the claim text.