Global Patent Index - EP 1066134 A1

EP 1066134 A1 2001-01-10 - ABRASIVE TOOLS

Title (en)

ABRASIVE TOOLS

Title (de)

SCHLEIFWERKZEUGE

Title (fr)

OUTILS ABRASIFS

Publication

EP 1066134 A1 (EN)

Application

EP 99906733 A

Priority

  • US 9902399 W
  • US 4962398 A
  • US 21884498 A

Abstract (en)

[origin: WO9948646A1] Abrasive tools suitable for precision grinding of hard brittle materials, such as ceramics and composites comprising ceramics, at peripheral wheel speeds up to 160 meters/second are provided. The abrasive tools comprise a wheel core (2) attached to an abrasive rim of dense, metal bonded superabrasive segments (8) by means of a thermally stable bond (6). A preferred tool for backgrinding ceramic wafers contains graphite filler and a relatively low concentration of abrasive grain (4).

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

B24D 5/06; B24D 3/08

IPC 8 full level (invention and additional information)

B24D 3/00 (2006.01); B24D 3/08 (2006.01); B24D 5/06 (2006.01)

CPC (invention and additional information)

B24D 5/06 (2013.01); B24D 3/08 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB IE IT LI NL SE

EPO simple patent family

WO 9948646 A1 19990930; AT 217235 T 20020515; AU 2657399 A 19991018; AU 732575 B2 20010426; BR 9909194 A 20001205; CA 2324578 A1 19990930; CA 2324578 C 20041102; CN 1130274 C 20031210; CN 1294543 A 20010509; CZ 20003542 A3 20011212; DE 69901438 D1 20020613; DE 69901438 T2 20030227; DE 69901438 T4 20040722; DK 1066134 T3 20020909; DK 1066134 T5 20030106; EP 1066134 A1 20010110; EP 1066134 B1 20020508; EP 1066134 B9 20021113; ES 2174590 T3 20021101; HK 1034221 A1 20040910; HU 0102438 A2 20011128; HU 0102438 A3 20011228; HU 222463 B1 20030728; ID 25820 A 20001109; IL 138434 D0 20011031; JP 2002507491 A 20020312; JP 2006346857 A 20061228; PL 197639 B1 20080430; PL 343171 A1 20010730; SE 1066134 T3 20020508; SE 1066134 T5 20020508; SK 14402000 A3 20011008; TW 393384 B 20000611

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