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:
Mar. 23, 2010
Filed:
Sep. 21, 2005
Applicant:
Tadayuki Fujimoto, Tokyo, JP;
Inventor:
Tadayuki Fujimoto, Tokyo, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 43/56 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mold-press forming apparatus for applying a molding pressure to a mold containing a forming material to perform press forming includes a loading chamber (that is, an airtight chamber) Pkept airtight. The loading chamber Pis connected to a pressure reducing member which includes evacuating membersandarranged in an evacuating pathconnected to the loading chamber Pfor evacuating a gas in the loading chamber P, and a plurality of valvesandarranged in the evacuating pathin parallel to each other. When the loading chamber Pis evacuated, the pressure reducing member changes a pressure reducing rate in the course of pressure reduction.