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:
Dec. 17, 2019

Filed:

Mar. 22, 2018
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventor:

Risa Ito, Yamanashi, JP;

Assignee:

FANUC CORPORATION, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03B 23/03 (2006.01);
U.S. Cl.
CPC ...
C03B 23/0302 (2013.01); C03B 2215/41 (2013.01); C03B 2215/46 (2013.01);
Abstract

There are provided a lens forming mold, and a manufacturing method for a cylindrical lens, with which cylindrical lenses having good mass productivity can be manufactured. A lens forming mold for forming a molding on which a plurality of cylindrical surfaces are arranged in parallel includes: a first mold including a plurality of cylindrical surface forming portions that are arranged in parallel at equal intervals; and a first flat surface forming portion that is provided between adjacent cylindrical surface forming portions; and a second mold that sandwiches the glass material and faces the first mold when the molding is molded, in which the second mold includes a second flat surface forming portion that faces the plurality of cylindrical surface forming portions and the first flat surface forming portion.


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