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.:

US 6761553 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 13, 2004

Filed:

Mar. 15, 2002
Applicant:
Inventors:

Masahumi Kurisu, Ibaraki, JP;

Masashi Tokumori, Uji, JP;

Hideho Ariyoshi, Hirakata, JP;

Toshihiko Shibita, Osaka, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 1/100 ;
U.S. Cl.
CPC ...
B29D 1/100 ;
Abstract

In a vertical-type molding apparatus, bolts are piercingly provided at symmetrically opposed four locations in a stamper replacement unit and a fixed mold stacked together. These bolts are fastened by a single lever which is operated externally of the mold, whereby the stamper replacement unit is fixed to the fixed mold.


Find Patent Forward Citations

Kurisu, Masahumi. (2004). Stamper replacement method and mold for forming optical disks (U.S. Patent No. 6761553). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6761553

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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