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. 06, 2011
Filed:
Dec. 24, 2009
Fumikata Andoh, Atsugi, JP;
Shinichi Ozaki, Sagamihara, JP;
Fumikata Andoh, Atsugi, JP;
Shinichi Ozaki, Sagamihara, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A plastic lens molding tool, including: a first mirror surface block; a second mirror surface block disposed opposite the first block, wherein the first mirror surface block includes a transfer surface with a curvature-radius center position that is transferable to an optical element; a first nested block arranged in contact with the first mirror surface block to form a reference rib groove on a border surface between the first mirror surface block and the first nested block; and a second nested block arranged in contact with the first mirror surface block at a side opposite the first nested block.