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:
Aug. 08, 1989
Filed:
Nov. 25, 1987
Applicant:
Inventors:
Assignee:
Asahi Denka Kogyo K. K., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B / ;
U.S. Cl.
CPC ...
425437 ; 249127 ; 264313 ; 264314 ; 425439 ; 425440 ; 425D / ; 425D / ;
Abstract
Apparatus for producing cast products which include a filling unit wherein elastic moulds of open-bag shape are filled with non-solid materials, a solidifying unit wherein the materials are allowed to solidify in the elastic moulds, and a withdrawal unit wherein the solidified materials are withdrawn from the inside of the elastic moulds in the filling unit, the elastic mould is positioned under a vacuum when filling starts. The apparatus provides cast products without mould joint marks, low mould production costs and prevention of mould breakage as well as a great degree of production simplification.