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:
Mar. 01, 2011
Filed:
Sep. 28, 2005
Applicant:
Kazuya Hirose, Minowa-machi, JP;
Inventor:
Kazuya Hirose, Minowa-machi, JP;
Assignee:
Olympus Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
A plurality of undulations are continuously formed on a front surface and a back surface of at least a beam portion in an injection molded article, and warpage generated by molding is prevented. Injection molding of the present invention is effective for, for example, prevention of the warpage of a beam generated by influences of light intercepting ridges formed on an inner surface of a lens barrel or the like.