Global Patent Index - EP 1057590 A1

EP 1057590 A1 2000-12-06 - Consumable polishing element, specially for finishing optical glasses

Title (en)

Consumable polishing element, specially for finishing optical glasses

Title (de)

Verbrauchbares Polierelement, insbesondere zum Polieren von optischen Gläsern

Title (fr)

Elément consommable de polissage, notamment pour la finition des verres optiques

Publication

EP 1057590 A1 (FR)

Application

EP 00450008 A

Priority

FR 9907035 A

Abstract (en)

The polishing pad, designed to be mounted on a rotary support conforming to the shape of the lens to be polished, consists of a backing layer (10) of polymer film, woven or non-woven fabric, covered by a surface flock layer of fibres (12) attached to it by adhesive (14). The fibres are 0.5 mm long and 5 - 25 microns in diameter, and the whole pad is in the form of a disc 0.8 - 0.9 mm thick.

IPC 1-7 (main, further and additional classification)

B24B 13/01; B24D 11/00; B24D 13/14; B24D 18/00

IPC 8 full level (invention and additional information)

B24B 13/01 (2006.01); B24D 3/28 (2006.01); B24D 11/00 (2006.01); B24D 13/14 (2006.01); B24D 18/00 (2006.01)

CPC (invention and additional information)

B24D 13/14 (2013.01); B24B 13/01 (2013.01); B24D 3/28 (2013.01); B24D 11/00 (2013.01); B24D 11/001 (2013.01); B24D 13/145 (2013.01); B24D 18/00 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

EP 1057590 A1 20001206; EP 1057590 B1 20030910; AT 249311 T 20030915; DE 60005085 D1 20031016; DE 60005085 T2 20040617; ES 2206166 T3 20040516; FR 2794390 A1 20001208; FR 2794390 B1 20010817; PT 1057590 E 20040227

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