Title:
レンズを機械加工する方法
Document Type and Number:
Japanese Patent JP6509843
Kind Code:
B2
Abstract:
A process for machining a lens includes the steps of holding a semi-finished product through a suction holding force which is active during an entire surface machining cycle of the semi-finished product; carrying out the surface machining cycle on a surface to be machined of the semi-finished product; and activating a pressure holding force depending on the level of the mechanical stresses exerted on the semi-finished product during the surface machining cycle on said surface.
Inventors:
Sonzoni Stefano
Application Number:
JP2016526118A
Publication Date:
May 08, 2019
Filing Date:
October 15, 2014
Export Citation:
Assignee:
MEI S.R.L.
International Classes:
B23B1/00; B23B5/40; B23B31/02; B23Q3/06; B23Q3/08; B23Q3/16; B24B13/00; G02C13/00
Domestic Patent References:
| JP3121763A | ||||
| JP6071547A | ||||
| JP4008402A |
Foreign References:
| US5454748 | ||||
| GB583202A | ||||
| US5720649 |
Attorney, Agent or Firm:
Shuji Sugimoto
Masashi Noda
Kenro Tsutsumi
Kumiko Hayashida
Yuka Kobayashi
Kenichi Nakata
Daisuke Kaneko
Hiroki Taniguchi
Masashi Noda
Kenro Tsutsumi
Kumiko Hayashida
Yuka Kobayashi
Kenichi Nakata
Daisuke Kaneko
Hiroki Taniguchi