NO910583L - PROCEDURE AND APPARATUS FOR CREATING A DRILL - Google Patents

PROCEDURE AND APPARATUS FOR CREATING A DRILL

Info

Publication number
NO910583L
NO910583L NO91910583A NO910583A NO910583L NO 910583 L NO910583 L NO 910583L NO 91910583 A NO91910583 A NO 91910583A NO 910583 A NO910583 A NO 910583A NO 910583 L NO910583 L NO 910583L
Authority
NO
Norway
Prior art keywords
drill
creating
procedure
Prior art date
Application number
NO91910583A
Other languages
Norwegian (no)
Other versions
NO910583D0 (en
Inventor
David Stanley Williams
Original Assignee
Boart Int Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boart Int Ltd filed Critical Boart Int Ltd
Publication of NO910583D0 publication Critical patent/NO910583D0/en
Publication of NO910583L publication Critical patent/NO910583L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/33—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of drills for stone
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type inserts
NO91910583A 1990-02-14 1991-02-13 PROCEDURE AND APPARATUS FOR CREATING A DRILL NO910583L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA901118 1990-02-14
ZA906616 1990-08-21

Publications (2)

Publication Number Publication Date
NO910583D0 NO910583D0 (en) 1991-02-13
NO910583L true NO910583L (en) 1991-08-15

Family

ID=67396391

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91910583A NO910583L (en) 1990-02-14 1991-02-13 PROCEDURE AND APPARATUS FOR CREATING A DRILL

Country Status (12)

Country Link
KR (1) KR910015368A (en)
AU (1) AU7099791A (en)
CA (1) CA2036284A1 (en)
DE (1) DE4104551A1 (en)
FI (1) FI910706A (en)
FR (1) FR2658106A1 (en)
GB (1) GB2240940A (en)
IE (1) IE910433A1 (en)
IT (1) IT1244731B (en)
NO (1) NO910583L (en)
SE (1) SE9100404L (en)
ZW (1) ZW1091A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE463754B (en) * 1989-05-24 1991-01-21 Inovac Ab DEVICE FOR HANDHALLEN GRINDING MACHINE FOR GRIPPING CUTTER DRILLS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442342A (en) * 1967-07-06 1969-05-06 Hughes Tool Co Specially shaped inserts for compact rock bits,and rolling cutters and rock bits using such inserts
US3830020A (en) * 1969-10-22 1974-08-20 S Gomi Grinding diamond wheel, and method of making same
US4254840A (en) * 1978-10-05 1981-03-10 Reed Tool Company Drill bit insert
SE434356B (en) * 1981-11-24 1984-07-23 Finsliparna Ab Arrangement for grinding of drill bits
FI67500C (en) * 1983-09-12 1985-04-10 Airam Ab Oy ANORDNING FOER VAESSNING AV STIFTKRONA FOER BERGSBORR
GB2193456B (en) * 1986-07-25 1990-06-06 Boart Int Ltd Restoration of drill buttons
US4722405A (en) * 1986-10-01 1988-02-02 Dresser Industries, Inc. Wear compensating rock bit insert

Also Published As

Publication number Publication date
FI910706A (en) 1991-08-15
CA2036284A1 (en) 1991-08-15
DE4104551A1 (en) 1991-08-22
ITMI910364A0 (en) 1991-02-13
IT1244731B (en) 1994-08-08
SE9100404L (en) 1991-08-15
AU7099791A (en) 1991-08-15
NO910583D0 (en) 1991-02-13
FR2658106A1 (en) 1991-08-16
ITMI910364A1 (en) 1992-08-13
ZW1091A1 (en) 1991-05-08
FI910706A0 (en) 1991-02-13
GB2240940A (en) 1991-08-21
SE9100404D0 (en) 1991-02-11
IE910433A1 (en) 1991-09-11
GB9102944D0 (en) 1991-03-27
KR910015368A (en) 1991-09-30

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