Title:
OPTICAL SURFACE-FINISHING TOOL
Document Type and Number:
WIPO Patent Application WO2005007340
Kind Code:
A3
Abstract:
The invention relates to an optical surface-finishing tool. The inventive tool consists of: a rigid support (4) comprising a transverse end surface (13); an elastically-compressible interface (5) which is applied against the end surface (13) such as to cover same; and a flexible buffer (6) which can be applied against the optical surface (2), which is applied against the interface (5) and which covers said interface at least partially, opposite and in line with the aforementioned end surface (13). According to the invention, the buffer comprises a central part (6a) which is in line with the end surface (13) and a peripheral part (14) which extends transversely beyond said end surface (13). The invention is also equipped with elastic return means (15) comprising a collar (18) which is used to connect the peripheral part (14) to the support (4). Moreover, said collar (18) comprises a continuous peripheral part (22) which rests on the peripheral part (14) of the buffer (6) such as to co-operate with same.
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Inventors:
BERNARD JOEL (FR)
MEYNEN MATHIEU (FR)
MEYNEN MATHIEU (FR)
Application Number:
PCT/FR2004/001828
Publication Date:
March 24, 2005
Filing Date:
July 12, 2004
Export Citation:
Assignee:
ESSILOR INT (FR)
BERNARD JOEL (FR)
MEYNEN MATHIEU (FR)
BERNARD JOEL (FR)
MEYNEN MATHIEU (FR)
International Classes:
B24D99/00; B24B13/02; B24D9/08; (IPC1-7): B24B13/02; B24D9/08
Foreign References:
| EP1291134A1 | 2003-03-12 | |||
| US1665292A | 1928-04-10 | |||
| GB1011741A | 1965-12-01 | |||
| GB2210890A | 1989-06-21 |
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