Polishing machine for polishing periphery of sheet

Abrading – Machine – Rotary tool

Reexamination Certificate

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Details

Other Related Categories

C451S044000, C451S279000

Type

Reexamination Certificate

Status

active

Patent number

06913526

Description

ABSTRACT:
A polishing machine for polishing a periphery of a sheet of the present invention comprises a grinding shaft tilting mechanism (1) capable of changing a tilting angle of a rotary shaft of a grinding stone (3) with respect to a rotary shaft of the sheet (2) and also capable of changing its tilting direction. Accordingly, in a recess portion or a protrusion portion in the periphery, when the tilting direction is changed while the tilting angle is being maintained, chamfering (polishing) can be executed with high accuracy in the same manner as that of the outer circumferential portion of the sheet.

REFERENCES:
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patent: 5626511 (1997-05-01), Kennedy et al.
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patent: 6306016 (2001-10-01), Steere et al.
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patent: 6-262505 (1994-09-01), None
patent: 9-174402 (1997-07-01), None
patent: 11-33888 (1999-02-01), None
International Search Report of PCT/JP01/07100, dated Nov. 27, 2001.
Japan Office action dated Mar. 22, 2004 for corresponding Japanese patent application 2000-248818.
Patent Abstract of Japan Publication No. 05152259 A, Published on Jun. 18, 1993, in the name of Honda Katsuo, et al.
Patent Abstract of Japan Publication No. 62236666 A, Published on Oct. 16, 1987, in the name of Yamamoto Yutaka, et al.

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