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Patent Searching and Data


Title:
A POLISHING MACHINE AND METHOD
Document Type and Number:
WIPO Patent Application WO2000032353
Kind Code:
A3
Abstract:
A machine for abrading or polishing a workpiece (5) comprises a holding surface holding the workpiece, a head member (7) arranged along a rotation axis to rotate about the rotation axis, a working member (8) having a surface for abrading or polishing the workpiece (5) arranged on the head member on the rotational axis (h) for rotation about the rotation axis with the head member, a first driving arrangement for driving a head member and the working member mounted thereon to rotate about the rotation axis, a head mounting arrangement for mounting the head member, a second driving arrangement (700) for driving the head mounting arrangement to incline the rotation axis of the head member relative to a precession axis intersecting the rotation axis, and for moving the head member to inclined positions with the rotation axis precessed about the precession axis, and a third driving arrangement (800) for relatively moving the head mounting arrangement across the holding surface.

Inventors:
BINGHAM RICHARD (GB)
RILEY DAVID CHARLES (GB)
Application Number:
GB9904014W
Publication Date:
August 10, 2000
Filing Date:
December 01, 1999
Export Citation:
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Assignee:
OPTICAL GENERICS LIMITED
BINGHAM, RICHARD
RILEY, DAVID, CHARLES
International Classes:
G02B3/00; B24B1/00; B24B7/22; B24B7/24; B24B13/00; B24B13/01; B24B13/015; B24B13/02; B24B17/10; B24B29/00; B24B37/04; B24B41/00; B24B41/04; B24B47/12; B24B51/00; B24D3/06; B24D3/28; B24D3/34; B24D9/04; B24D11/00; B24D13/14; B24D13/20; B24D18/00; (IPC1-7): B24B1/00; B24B7/22; B24B7/24; B24B13/01; B24B13/02; B24B17/10; B24B29/00; B24B41/00; B24B51/00; B24D3/06; B24D3/28; B24D3/34; B24D9/04; B24D11/00; B24D13/14
Foreign References:
US3129541A1964-04-21
US5370718A1994-12-06
EP0510823A21992-10-28
EP0650807A11995-05-03
GB249656A1926-04-01
US4185388A1980-01-29
GB947176A1964-01-22
Other References:
PATENT ABSTRACTS OF JAPAN vol. 015, no. 396 (M - 1166) 8 October 1991 (1991-10-08)
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