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:
Jan. 29, 2008
Filed:
Jul. 21, 2004
Applicant:
Toshiyuki Ebina, Aichi-ken, JP;
Inventor:
Toshiyuki Ebina, Aichi-ken, JP;
Assignee:
Kabushiki Kaisha Meiki Seisakusho, Aichi-Ken, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 45/43 (2006.01); B29C 45/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
To form a disk substratehaving a no information area at low cost and without failure, a moldis provided for forming a disk substratehaving a no information area. A cavityof the moldhas a surfacecorresponding to the no information areaand made of a mirror-surfaced plate. A cylindrical member (sleeve) is inserted in an inner holeof the mirror-surfaced plate. An annular projectionis provided on the end surface of the cylindrical member adjacent to the cavity.