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:
Feb. 09, 2010
Filed:
Sep. 30, 2004
Applicants:
Osamu Asai, Tokyo, JP;
Yoshimitsu Gomi, Tokyo, JP;
Hatsuyoshi Nakazawa, Tokyo, JP;
Manabu Tsurumi, Tokyo, JP;
Inventors:
Osamu Asai, Tokyo, JP;
Yoshimitsu Gomi, Tokyo, JP;
Hatsuyoshi Nakazawa, Tokyo, JP;
Manabu Tsurumi, Tokyo, JP;
Assignee:
Hoya Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 9/00 (2006.01); G02B 7/02 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A protective film () is eccentrically adhered to a concave-side transfer surface () of a first mold () which is used in a plastic lens forming mold, and part () of the peripheral portion of the protective film is projected laterally from the mold (). The protective film () comprises a film layer with an outer diameter smaller than that of the first mold (), and an adhesive layer with a relatively low adhesive strength which is formed on one surface of the film layer.