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Patent Searching and Data


Title:
眼科用レンズのラスタ切削技術
Document Type and Number:
Japanese Patent JP5213442
Kind Code:
B2
Abstract:
A raster cutting apparatus and method for producing accurately formed, aspheric ophthalmic lenses having a good quality surface finish. The accurate form and good surface finish are obtained by using a substantially spherically shaped cutting tool having a large radius. The methods include utilizing a cutting path which provides substantially constant cutting-force, such as a constant surface-cutting-speed raster pattern.

Inventors:
Real james daniel
Danhard walter
Mandler Lorant
Muller Tobias
Application Number:
JP2007524988A
Publication Date:
June 19, 2013
Filing Date:
August 03, 2005
Export Citation:
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Assignee:
Essilor Internacional (Company General Doptic)
International Classes:
B23B3/16; B24B13/06
Domestic Patent References:
JP7299746A
JP10175148A
JP64036304A
Attorney, Agent or Firm:
Masayuki Masabayashi
Ryoichi Takaoka
Hayashi Ichiyoshi
Kiyoshi Kato