Title:
眼鏡レンズの製造装置および製造方法
Document Type and Number:
Japanese Patent JP7173831
Kind Code:
B2
Abstract:
To provide a technique which suppresses the generation of shaving chips of a low melting point metal member (alloy).SOLUTION: A manufacturing device 1 of a spectacle lens includes: a holding tool holder 21 which holds a holding tool L with a lens material having an alloy 102 being a low melting point metal member, a lens material 100 having an optical surface fastened to the alloy 102 and a holding tool 104 fastened to the alloy 102 on the opposite side to the lens material 100 with the alloy 102 held therebetween; a holding tool holder driving part 22 which rotates the holding tool holder 21 with the thickness direction of the lens material 100 as a rotational axis; and an alloy melting part 41 which melts the alloy 102 while changing the position by following an outer edge of the alloy 102 when the holding tool L with the lens material contacts the alloy melting part 41 while being rotated by the holding tool holder driving part 22. There is also provided its pertinent art.SELECTED DRAWING: Figure 4
Inventors:
Hiroshi Shimizu
Masahiko Samukawa
Yukiaki Sunagawa
Masahiko Samukawa
Yukiaki Sunagawa
Application Number:
JP2018202962A
Publication Date:
November 16, 2022
Filing Date:
October 29, 2018
Export Citation:
Assignee:
HOYA Lens Thailand Ltd
International Classes:
B24B13/00; B24B41/06; G02C7/02
Domestic Patent References:
| JP2013255956A | ||||
| JP2005202129A | ||||
| JP7156052A | ||||
| JP4146983A |
Foreign References:
| US4158273 | ||||
| US20060166609 |
Attorney, Agent or Firm:
Setsiya Aniya
Masahiro Fukuoka
Tomohiro Okuyama
Hideo Tachibana
Masahiro Fukuoka
Tomohiro Okuyama
Hideo Tachibana