ZA875388B - Restoration of drill buttons - Google Patents

Restoration of drill buttons

Info

Publication number
ZA875388B
ZA875388B ZA875388A ZA875388A ZA875388B ZA 875388 B ZA875388 B ZA 875388B ZA 875388 A ZA875388 A ZA 875388A ZA 875388 A ZA875388 A ZA 875388A ZA 875388 B ZA875388 B ZA 875388B
Authority
ZA
South Africa
Prior art keywords
restoration
drill buttons
drill
buttons
Prior art date
Application number
ZA875388A
Other languages
English (en)
Inventor
Keith Charles Bice
Charles Bice Keith
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 ZA875388B publication Critical patent/ZA875388B/xx

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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T409/00—Gear cutting, milling, or planing
    • Y10T409/30—Milling
    • Y10T409/306664—Milling including means to infeed rotary cutter toward work
    • Y10T409/30756—Machining arcuate surface

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
  • Earth Drilling (AREA)
ZA875388A 1986-07-25 1987-07-22 Restoration of drill buttons ZA875388B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPH714286 1986-07-25

Publications (1)

Publication Number Publication Date
ZA875388B true ZA875388B (en) 1988-04-27

Family

ID=3771734

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA875388A ZA875388B (en) 1986-07-25 1987-07-22 Restoration of drill buttons

Country Status (6)

Country Link
US (1) US4858388A (no)
CA (1) CA1315989C (no)
FI (1) FI85113C (no)
NO (1) NO166067C (no)
SE (1) SE465609B (no)
ZA (1) ZA875388B (no)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE462901B (sv) * 1988-10-17 1990-09-17 Constr Mining Equip Cme Anordning foer slipning av stiften paa borrkronor
US5182971A (en) * 1990-02-14 1993-02-02 Boart International, Limited Button sharpening
SE467399B (sv) * 1990-08-17 1992-07-13 Constr Mining Equip Cme Anordning foer slipning exempelvis av stift paa borrkronor
SE503183C2 (sv) * 1993-12-14 1996-04-15 Sandvik Ab Förfarande och anordning för att slipa stift hos en bergborrkrona och spolhuvud för att tillföra spolmedium vid slipningen av stiften hos en dylik bergborrkrona
DE9414151U1 (de) * 1994-09-01 1996-01-11 Koch, Walter, 44287 Dortmund Vorrichtung zum mechanischen Entfernen von Ablagerungen an Schweißelektroden
US5639273A (en) * 1995-02-03 1997-06-17 C.M.E. Blasting & Mining Equipment Ltd. Grinding cup and holder device
US5685768A (en) * 1995-02-03 1997-11-11 Bernhard; Stephen Godfrey Grinding machine with lifting mechanism
SE527994C2 (sv) * 2004-12-15 2006-08-01 Atlas Copco Secoroc Ab Inställningsarrangemang för en slipmaskin för slipning av stiftborrkronor

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US603828A (en) * 1898-05-10 Cushion-cleaning machine
US1114376A (en) * 1914-07-13 1914-10-20 Martin Milkop Cylinder-grinding machine.
US2836939A (en) * 1955-03-24 1958-06-03 White Arthur Howard Machine for producing spherical surfaces
US3020681A (en) * 1957-03-14 1962-02-13 Carbide Grinders Inc Tool finishing process and apparatus
US3111789A (en) * 1962-08-01 1963-11-26 Honeywell Regulator Co Sphere lapping machine
US3797177A (en) * 1972-02-02 1974-03-19 D Hoffman Gem faceting apparatus
US3988124A (en) * 1975-06-26 1976-10-26 Babcock Roger M Skate sharpening machine
US4091713A (en) * 1976-12-17 1978-05-30 Kennedy Henry J Radius milling or grinding tool actuator or controller
SE416115B (sv) * 1977-02-11 1980-12-01 Fagersta Ab Slipfixtur for slipning av skerstift i bergborrkronor
ZA777206B (en) * 1977-12-05 1979-05-30 Boart Int Ltd Button grinding
US4245939A (en) * 1978-12-13 1981-01-20 F. Jos. Lamb Company Method and apparatus for machining spherical combustion chambers
SE428541B (sv) * 1979-09-12 1983-07-11 Finsliparna Ab Anordning for aterstellande av formen hos slitna stiftborrkronor genom slipning
SE434356B (sv) * 1981-11-24 1984-07-23 Finsliparna Ab Anordning for slipning av stiftborrkronor

Also Published As

Publication number Publication date
FI873209A (fi) 1988-01-26
NO166067B (no) 1991-02-18
NO873085D0 (no) 1987-07-22
CA1315989C (en) 1993-04-13
NO873085L (no) 1988-01-26
SE8702950L (sv) 1988-01-26
FI85113B (fi) 1991-11-29
SE465609B (sv) 1991-10-07
US4858388A (en) 1989-08-22
NO166067C (no) 1991-05-29
FI85113C (fi) 1992-03-10
FI873209A0 (fi) 1987-07-22
SE8702950D0 (sv) 1987-07-24

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