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:
Sep. 08, 1987
Filed:
Aug. 14, 1986
Applicant:
Inventors:
Takatoshi Suzuki, Aichi, JP;
Yasuo Takada, Aichi, JP;
Yuji Sakakibara, Aichi, JP;
Masahiro Sugiura, Aichi, JP;
Hiroaki Hayashi, Aichi, JP;
Osami Kamigaito, Aichi, JP;
Assignee:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22C / ; B22C / ;
U.S. Cl.
CPC ...
164361 ; 164 21 ; 164526 ; 164529 ;
Abstract
Molding material composed of casting sand coated with a thermosetting resin and hydrous magnesium silicate clay mineral which may be impregnated with an acid and/or coated with a thermosetting resin, and a shell mold produced from the molding material. This material and mold minimize generation of smoke and irritating gases at the time of mold making and casting.