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. 24, 1991
Filed:
Jul. 27, 1989
Applicant:
Inventors:
Kazuhiko Ito, Tokyo, JP;
Eiichi Yamazaki, Ushiku, JP;
Kunio Ohtaki, Ryugasaki, JP;
Fumio Korayashi, Ryugasaki, JP;
Yoshihisa Masuda, Yokohama, JP;
Hiroshi Nakanishi, Tokyo, JP;
Kiyozo Suzuki, Tokyo, JP;
Yuichi Miyoshi, Ushiku, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264 401 ; 264 405 ; 264 406 ; 2642972 ; 425135 ; 425144 ; 425150 ; 425160 ; 425575 ; 425588 ;
Abstract
A molding apparatus transfers plural molds in succession through a temperature elevating step, an injection molding step, pressurized cooling step and a molded article removing step. The apparatus is provided with plural cooling presses for the pressurized cooling step and so constructed as to prevent the stagnation in the transfer of the molds according to the molding conditions and the number of molds.