Title:
眼鏡レンズのレンズ周縁加工方法、レンズ周縁加工装置及び眼鏡レンズ
Document Type and Number:
Japanese Patent JP4360764
Kind Code:
B2
Abstract:
There are provided a lens periphery processing method for an eyeglasses lens, a lens periphery processing machine and lens for eyeglass, in which a V shaped portion that fits strongly in a lens frame of eyeglasses frame, can be processed in such a manner that V shaped portion contact with inside of the V shaped groove of the lens frame so that a contact element does not interfere with a holding means for fixing and holding a lens frame, and even if the V shaped groove shape is measured in a state in which the lens frame is tilted, a difference in size due to holding position between the lens frame and a processed eyeglasses lens does not arise. Measuring the lens frame shape of eyeglasses frame by contacting the contact element 5 having a width narrower than the width of the V shaped groove 1d, on the both sides 1b, 1c of the V shaped groove formed in the inner face of the lens frame for eyeglasses lens, and forming the V shaped portion of said eyeglasses lens in a shape that the eyeglasses lens is put in the V shaped groove with contacting at the points where the contact element contacted on said both sides of the groove, as substantially the deepest contacting points in the groove.
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Inventors:
Yoshiyuki Hatano
Application Number:
JP2001116665A
Publication Date:
November 11, 2009
Filing Date:
April 16, 2001
Export Citation:
Assignee:
Topcon Co., Ltd.
International Classes:
B24B9/14; G02C13/00; G02C1/00
Domestic Patent References:
JP55157461A | ||||
JP9183053A | ||||
JP2190249A | ||||
JP6053051U | ||||
JP11048113A |
Attorney, Agent or Firm:
Tamio Nishiwaki
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