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Patent Searching and Data


Title:
POLISHING APPARATUS AND POLISHING METHOD
Document Type and Number:
Japanese Patent JP2009291908
Kind Code:
A
Abstract:

To avoid various adverse effects such as the occurrence of warpage, degrading of quality by hit marks, and increase in the time required for polishing operation for a sheet-like workpiece when one side of the sheet-like workpiece is polished between buffing rollers and a backup roller.

This polishing apparatus 1 comprises a plurality of transport rollers 6, 9 for transporting the sheet-like workpiece P and the buffing rollers 14 (15) for polishing the sheet-like workpiece P during transportation by the transport rollers 6, 9. The pair of buffing rollers 14 (15) for simultaneously polishing both sides of the sheet-like workpiece P with the sheet-like workpiece P interposed therebetween are installed along a transport path 3B formed by the plurality of transport rollers 6, 9, thereby eliminating the use of the backup roller.


Inventors:
SAKAMOTO YUJI
YAMAMOTO AKIHIRO
MASUNARI SEIJI
Application Number:
JP2008149504A
Publication Date:
December 17, 2009
Filing Date:
June 06, 2008
Export Citation:
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Assignee:
ISHII HYOKI CORP
International Classes:
B24B29/00; B24B7/22
Attorney, Agent or Firm:
Hideka Tanaka
Yoshiyuki Shiraishi
Kunihiko Shiromura