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. 16, 2016
Filed:
Sep. 11, 2014
Fujifilm Corporation, Tokyo, JP;
Takayuki Fujiwara, Saitama, JP;
Seiichi Watanabe, Saitama, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
The invention provides a lens forming apparatus that can suppress generation of burrs even if gaps between outer walls of an upper die and a lower die and an inner wall of a trunk die is made wide. A lens forming apparatusaccording to the present invention includes a trunk diehaving a through-holetherein; first and second diesandthat are fitted into the through-holefrom both ends thereof, respectively, and have pressing surfacesandfor sandwiching and pressing a forming material; and induction-heating coilsandthat heat the first and second diesandto a temperature equal to or higher than a glass transition point, in a state where the trunk dieis not heated and the temperature thereof is set to a temperature equal to or lower than the glass transition point.