Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BORING METHOD FOR LENS
Document Type and Number:
Japanese Patent JP2002303834
Kind Code:
A
Abstract:

To obtain a lens boring method which enables even an unskilled person to form a through hole in a lens at an accurate position.

A sample lens 130 is fixed on a boring device 50. A fixed rod 120 is run through the through hole formed in the sample lens 130, and support pins 76 are arranged at the periphery of the sample lens 130 to fix the position of the sample lens 130. The sample lens 130 and fixed rod 120 are removed and a lens which is actually used is placed, so that the lens is positioned with the support pins 76 arranged at the specific positions. In this state, a hole is bored in the lens by a drill 60 and then bored in the lens at the same position with the through hole of the sample lens 130.


Inventors:
YOSHIDA TAKEHIKO
Application Number:
JP2002084135A
Publication Date:
October 18, 2002
Filing Date:
November 22, 1999
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
VISION MEGANE KK
International Classes:
G02C13/00; B26F1/16; G02C1/02; (IPC1-7): G02C13/00; B26F1/16; G02C1/02
Attorney, Agent or Firm:
Okada