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Patent Searching and Data


Title:
LAPPING APPARATUS
Document Type and Number:
Japanese Patent JP2007260869
Kind Code:
A
Abstract:

To furthermore improve the finished accuracy of a polished surface.

A plurality of workpieces 2 are held by means of a workpiece holder 10. The workpieces 2 are lapped by sliding them with respect to a lapping machine 1. Required lapping pressure is applied to lapping surfaces 2a by arranging weights 13 individually on the respective workpieces 2 held by the workpiece holder 10, and also an aligning operation for the weights 13 with the workpieces 2 is performed by arranging aligning members 11 between the respective weights 13 and the respective workpieces 2.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
AKAI HIROSHI
NOKI KIYOBUMI
TODA MASAAKI
BITO YOSHIHIKO
Application Number:
JP2006091624A
Publication Date:
October 11, 2007
Filing Date:
March 29, 2006
Export Citation:
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Assignee:
NTN TOYO BEARING CO LTD
International Classes:
B24B37/04; B24B37/30
Domestic Patent References:
JPH0366555A1991-03-22
JPH01234160A1989-09-19
JPS62213960A1987-09-19
JP2003305636A2003-10-28
JPH0396165U1991-10-01
JPS5845859A1983-03-17
JPH0343151A1991-02-25
Foreign References:
US3931696A1976-01-13
Attorney, Agent or Firm:
Shogo Ehara
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura
Tsuyoshi Kumano
Hiroaki Yamane