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.

Date of Patent:
Jul. 01, 2008

Filed:

Nov. 17, 2005
Applicants:

Minoru Inuzuka, Hazu-gun, JP;

Naohide Isogai, Gamagori, JP;

Inventors:

Minoru Inuzuka, Hazu-gun, JP;

Naohide Isogai, Gamagori, JP;

Assignee:

Nidek Co., Ltd., Gamagori-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06P 5/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dyeing method of a plastic lens (), including the steps of placing the lens () in a vacuum vapor deposition device (); placing a base body () for dyeing in the vapor deposition device (), the base body having a dye application area () in which a sublimatable dye is applied, so that the dye application area () faces a surface of the lens to be dyed; and heating the base body () in the vapor deposition device () under almost a vacuum, while restraining a rise in temperature of the lens (), to sublimate the dye, depositing the sublimed dye on the lens.


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