The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 05, 1989
Filed:
Jul. 24, 1987
Applicant:
Inventors:
Haruyuki Ito, Kitakyushu, JP;
Akio Matsumoto, Kitakyushu, JP;
Assignee:
Toto Ltd., Kitakyushu, JP;
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ; B28B / ;
U.S. Cl.
CPC ...
425 84 ; 249 80 ;
Abstract
Herein disclosed is a mold used in pressure casting ceramic articles, which includes a plurality of mold parts set and clamped in combination. Each of the mold parts includes: a porous body forming a filter layer with a generally even thickness and a plurality of channels formed in the inside or outside surface thereof and most running in parallel with the molding surface of the mold for allowing water and air to flow therethrough; a reinforcing iron frame for fitting the porous body therein; and a filler filling up the space between the porous body and the iron frame.