Title (en)

WORKING DISC FOR LAPPING, HONING AND POLISHING MACHINE

Publication

EP 0478912 A3 19920603 (DE)

Application

EP 91112294 A 19910723

Priority

DE 4027627 A 19900831

Abstract (en)

[origin: EP0478912A2] Working disc for lapping, honing and polishing machines, having a backing disc and a working layer attached to the backing disc, the working disc consisting of individual disc segments which are firmly but detachably fastened to the backing disc in several rows in an annular manner at a slight predetermined distance from one another. <IMAGE>

IPC 1-7

B24B 37/04; B24D 7/06

IPC 8 full level

B24B 37/08 (2012.01); B24B 37/12 (2012.01); B24D 7/06 (2006.01)

CPC (source: EP)

B24B 37/08 (2013.01); B24B 37/12 (2013.01); B24D 7/06 (2013.01)

Citation (search report)

• [X] US 3343306 A 19670926 - HIGHBERG CARLE W
• [Y] DE 2922776 A1 19801211 - HUNGER WALTER
• [A] US 3369330 A 19680220 - ESTABROOK MARK R, et al
• [A] GB 2038214 A 19800723 - DIANITE COATINGS LTD
• [A] PATENT ABSTRACTS OF JAPAN vol. 13, no. 318 (M-852)19. Juli 1989 & JP-A-1 103 267 ( TOSHIBA CERAMICS CO LTD ) 20. April 1989

Designated contracting state (EPC)

CH DE FR GB IT LI

DOCDB simple family (publication)

EP 0478912 A2 19920408; EP 0478912 A3 19920603; DE 4027627 A1 19920305

DOCDB simple family (application)

EP 91112294 A 19910723; DE 4027627 A 19900831