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1. WO2000036264 - TOOL COMPONENT

Publication Number WO/2000/036264
Publication Date 22.06.2000
International Application No. PCT/IB1999/001987
International Filing Date 13.12.1999
Chapter 2 Demand Filed 18.05.2000
IPC
E21B 10/00 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
10Drill bits
E21B 10/56 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
10Drill bits
46characterised by wear resisting parts, e.g. diamond inserts
56Button-type inserts
CPC
B22F 2999/00
BPERFORMING OPERATIONS; TRANSPORTING
22CASTING; POWDER METALLURGY
FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER
2999Aspects linked to processes or compositions used in powder metallurgy
E21B 10/006
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
10Drill bits
006providing a cutting edge which is self-renewable during drilling
E21B 10/5676
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
BEARTH DRILLING, e.g. DEEP DRILLING
10Drill bits
46characterised by wear resisting parts, e.g. diamond inserts
56Button-type inserts
567with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
5676having a cutting face with different segments, e.g. mosaic-type inserts
Applicants
  • DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED [ZA]/[ZA] (AllExceptUS)
  • BEX, Phillip, Alexander [GB]/[GB] (UsOnly)
  • TANK, Klaus [DE]/[ZA] (UsOnly)
Inventors
  • BEX, Phillip, Alexander
  • TANK, Klaus
Agents
  • GILSON, David, Grant
Priority Data
9827600.915.12.1998GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) TOOL COMPONENT
(FR) ELEMENT D'OUTIL
Abstract
(EN)
A tool component comprises an abrasive compact bonded (12) to a support (10), the abrasive compact having a working surface (15) presenting a cutting edge (16) and a plurality of regions (18, 20), each region differing in particle size from its immediate neighbour and each region having a surface coincident with the working surface, and at least one region having an edge coincident with the cutting edge.
(FR)
Elément d'outil comprenant un élément compact abrasif collé (12) à un support (10). Ledit élément compact abrasif est pourvu d'une surface de travail (15). Celle-ci présente une arête de coupe (16) et une pluralité de régions (18, 20), chacune différente, en taille de particules, de la région la jouxtant, et possédant une surface qui coïncide avec la surface de travail, et au moins une région dont une arête coïncide avec l'arête de coupe.
Also published as
Latest bibliographic data on file with the International Bureau