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:
Jan. 20, 1976
Filed:
Jul. 26, 1974
Applicant:
Inventors:
Assignee:
Sintokogio, Ltd., Aichi, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ;
U.S. Cl.
CPC ...
164160 ; 164239 ;
Abstract
A pattern plate device for vacuum sealed molding, being applied with a negative pressure to the surfaces of said device, covered with a flexible film on said surfaces tightly, on which a molding flask having a reducing structure is set, and then being used for performing a vacuum sealed molding operation.