EP 0096591 A3 19840711 - DRILLING BIT
Title (en)
DRILLING BIT
Publication
Application
Priority
ZA 824008 A 19820608
Abstract (en)
[origin: EP0096591A2] In a diamond impregnated bit scourer particles in the form of silicon carbide are added to the matrix. The mesh size of the silicon carbide is less than that of diamond and the concentration preferably about 40, if the diamond concentration is 40.
IPC 1-7
IPC 8 full level
B24D 3/06 (2006.01); B24D 3/34 (2006.01); E21B 10/46 (2006.01)
CPC (source: EP)
B24D 3/06 (2013.01); B24D 3/342 (2013.01); E21B 10/46 (2013.01)
Citation (search report)
- [X] US 3757878 A 19730911 - WILDER A, et al
- [X] NL 52174 C
- [Y] US 4290498 A 19810922 - TRIPLETT WILLIAM C, et al
- [Y] US 3175260 A 19650330 - BRIDWELL HAROLD C, et al
- [A] DE 853582 C 19521027 - WALLRAM HARTMETALLWERK, et al
- [A] US 3736995 A 19730605 - SALTER A
- [A] US 2883520 A 19590421 - SASSERSON CURTIS F
- [A] US 2381415 A 19450807 - WILLIAMS JR EDWARD B
- [A] US 3885637 A 19750527 - VEPRINTSEV VLADIMIR IVANOVICH, et al
Designated contracting state (EPC)
DE FR GB IT NL SE
DOCDB simple family (publication)
EP 0096591 A2 19831221; EP 0096591 A3 19840711; AU 1532583 A 19831215; AU 555981 B2 19861016; GB 8315537 D0 19830713; ZW 12583 A1 19830824
DOCDB simple family (application)
EP 83303312 A 19830608; AU 1532583 A 19830602; GB 8315537 A 19830607; ZW 12583 A 19830601