ZA812806B - Boring head - Google Patents

Boring head

Info

Publication number
ZA812806B
ZA812806B ZA00812806A ZA812806A ZA812806B ZA 812806 B ZA812806 B ZA 812806B ZA 00812806 A ZA00812806 A ZA 00812806A ZA 812806 A ZA812806 A ZA 812806A ZA 812806 B ZA812806 B ZA 812806B
Authority
ZA
South Africa
Prior art keywords
boring head
boring
head
Prior art date
Application number
ZA00812806A
Other languages
English (en)
Inventor
L Westermark
Original Assignee
Sandvik Canada
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 Sandvik Canada filed Critical Sandvik Canada
Publication of ZA812806B publication Critical patent/ZA812806B/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/20—Roller bits characterised by detachable or adjustable parts, e.g. legs or axles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1908—Face or end mill
    • Y10T407/192—Face or end mill with separate means to fasten tool to holder
    • Y10T407/1922—Wedge clamp element
    • 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
    • Y10T407/00—Cutters, for shaping
    • Y10T407/19—Rotary cutting tool
    • Y10T407/1906—Rotary cutting tool including holder [i.e., head] having seat for inserted tool
    • Y10T407/1934—Rotary cutting tool including holder [i.e., head] having seat for inserted tool with separate means to fasten tool to holder
    • Y10T407/1938—Wedge clamp element

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Manufacturing Of Electric Cables (AREA)
  • Saccharide Compounds (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
ZA00812806A 1980-05-27 1981-04-28 Boring head ZA812806B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8003905A SE436219B (sv) 1980-05-27 1980-05-27 Borrhuvud

Publications (1)

Publication Number Publication Date
ZA812806B true ZA812806B (en) 1982-04-28

Family

ID=20341037

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00812806A ZA812806B (en) 1980-05-27 1981-04-28 Boring head

Country Status (8)

Country Link
US (1) US4386670A (xx)
AU (1) AU539398B2 (xx)
BR (1) BR8103170A (xx)
CA (1) CA1148929A (xx)
DE (1) DE3119911C2 (xx)
NO (1) NO158962C (xx)
SE (1) SE436219B (xx)
ZA (1) ZA812806B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4456082A (en) * 1981-05-18 1984-06-26 Smith International, Inc. Expandable rock bit
US4697652A (en) * 1986-09-19 1987-10-06 Reed Mining Tools, Inc. Reversible roller stabilizer extensions for earth boring head
US5234064A (en) * 1992-03-09 1993-08-10 The Robbins Company Roller cutter assembly having adjustable ring cutter spacing
GB9221621D0 (en) * 1992-10-15 1992-11-25 Wiggins Teape Group Ltd Solvents for use in pressure-sensitive record material
US5366029A (en) * 1993-04-09 1994-11-22 Beck Iii August H Large shaft over-reamer apparatus and method
US6386298B1 (en) 2000-05-30 2002-05-14 Michael Gerald Smith Apparatus for directional drilling
GB2372060B (en) * 2001-02-13 2004-01-07 Smith International Back reaming tool
US8464813B2 (en) * 2006-06-20 2013-06-18 Atlas Copco Secoroc Llc Cutter assembly for a raise boring reamer
ES2684098T3 (es) 2015-06-01 2018-10-01 Sandvik Intellectual Property Ab Cabezal de perforación para perforación rotatoria

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE233184C (xx) *
US836845A (en) * 1905-11-02 1906-11-27 William C Whitcomb Drilling-tool.
US1332745A (en) * 1919-11-18 1920-03-02 Link Belt Co Coal-cutting chain
DE380992C (de) * 1922-09-08 1923-09-14 Mc Cormick Drilling Tool Compa Kreuzmeissel
US2090356A (en) * 1935-02-23 1937-08-17 Chicago Pneumatic Tool Co Annular cutting or bore hole enlarging apparatus
US3318392A (en) * 1964-02-14 1967-05-09 Kenneth H Hoen Hammer tool attachment and tool
US4010808A (en) * 1975-09-22 1977-03-08 Dresser Industries, Inc. Expandable raise bit
US4049067A (en) * 1975-11-05 1977-09-20 Ingersoll-Rand Company Cutter mounting extension apparatus
US4108259A (en) * 1977-05-23 1978-08-22 Smith International, Inc. Raise drill with removable stem
US4142598A (en) * 1977-05-23 1979-03-06 Smith International, Inc. Two stage large diameter drill bit

Also Published As

Publication number Publication date
AU539398B2 (en) 1984-09-27
NO158962B (no) 1988-08-08
AU7015381A (en) 1981-12-03
DE3119911C2 (de) 1984-08-09
BR8103170A (pt) 1982-02-09
NO811772L (no) 1981-11-30
CA1148929A (en) 1983-06-28
SE8003905L (sv) 1981-11-28
SE436219B (sv) 1984-11-19
US4386670A (en) 1983-06-07
DE3119911A1 (de) 1982-04-29
NO158962C (no) 1988-11-16

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