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Patent Searching and Data


Title:
LAPPING DEVICE
Document Type and Number:
Japanese Patent JP3738765
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide a lapping device which stably provides desired surface roughness of a workpiece even if the same portion of an abrasive surface of a lapping film is used for machining a plurality of times.
SOLUTION: The lapping device has: a holding means for rotatably holding the workpiece W; the lapping film 1 formed of a thin substrate and abrasive grains attached to one surface of the same; at least two shoes 2a, 2b for pressing the abrasive surface of the lapping film 1 to the workpiece W; a take-up reel 6 for feeding the lapping film 1 during suspension of the machining; and a washing means arranged in a passage through which the lapping film 1 is fed, at a location between the two shoes 2a, 2b, for washing the abrasive surface of the lapping film 1.


Inventors:
Takashi Ogino
Masahiko Iizumi
Kiyoshi Hasegawa
Masahiro Komata
Tomohiro Kondo
Kazuo Takeda
Takafumi Watanabe
Yoshiyuki Senda
Matsushita Yasushi
Application Number:
JP2003034088A
Publication Date:
January 25, 2006
Filing Date:
February 12, 2003
Export Citation:
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Assignee:
Nissan Motor Co., Ltd
International Classes:
B24B21/18; B24B53/007; B24B53/10; (IPC1-7): B24B21/18; //B24B53/007
Domestic Patent References:
JP2643181B2
JP8192360A
JP2269552A
JP8019963A
Attorney, Agent or Firm:
Mikio Hatta
Atsushi Nogami
Yasuo Nara
Etsuko Saito
Katsuyuki Utani
Toshifumi Fujii