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. 04, 2007
Filed:
Mar. 29, 2005
Kazunori Ishikura, Gunma-Gun, JP;
Keiichi Kagawa, Gunma, JP;
Izumi Igawa, Gunma, JP;
Hidetoshi Egawa, Gunma, JP;
Yuji Shibuya, Gunma, JP;
Shinji Miki, Gunam, JP;
Kiyoto Takizawa, Nagano-ken, JP;
Kazunori Ishikura, Gunma-Gun, JP;
Keiichi Kagawa, Gunma, JP;
Izumi Igawa, Gunma, JP;
Hidetoshi Egawa, Gunma, JP;
Yuji Shibuya, Gunma, JP;
Shinji Miki, Gunam, JP;
Kiyoto Takizawa, Nagano-ken, JP;
Taiyo Yuden Co., Ltd., Tokyo, JP;
Nissei Plastic Industrial Co. Ltd., Nagano-ken, JP;
Abstract
In an optical disc molding device, a heating medium from a low-temperature controller is made to flow in temperature controlling flow passages (passages) formed at locations corresponding to boundary parts of two fixed moldsmounted parallel to each other on a fixed platenand in temperature controlling flow passages (passages) formed at locations corresponding to boundary parts of two movable moldsmounted parallel to each other on a movable platento supplement heat exchange.