NO158962C - Borkrone. - Google Patents

Borkrone.

Info

Publication number
NO158962C
NO158962C NO811772A NO811772A NO158962C NO 158962 C NO158962 C NO 158962C NO 811772 A NO811772 A NO 811772A NO 811772 A NO811772 A NO 811772A NO 158962 C NO158962 C NO 158962C
Authority
NO
Norway
Prior art keywords
bit
Prior art date
Application number
NO811772A
Other languages
English (en)
Other versions
NO811772L (no
NO158962B (no
Inventor
Lennart Westermark
Original Assignee
Sandvik Ab
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 Ab filed Critical Sandvik Ab
Publication of NO811772L publication Critical patent/NO811772L/no
Publication of NO158962B publication Critical patent/NO158962B/no
Publication of NO158962C publication Critical patent/NO158962C/no

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)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (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)
NO811772A 1980-05-27 1981-05-26 Borkrone. NO158962C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO811772L NO811772L (no) 1981-11-30
NO158962B NO158962B (no) 1988-08-08
NO158962C true NO158962C (no) 1988-11-16

Family

ID=20341037

Family Applications (1)

Application Number Title Priority Date Filing Date
NO811772A NO158962C (no) 1980-05-27 1981-05-26 Borkrone.

Country Status (8)

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

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
CA2371740C (en) * 2001-02-13 2006-04-18 Smith International, Inc. Back reaming tool
US8464813B2 (en) 2006-06-20 2013-06-18 Atlas Copco Secoroc Llc Cutter assembly for a raise boring reamer
EP3101216B1 (en) 2015-06-01 2018-05-16 Sandvik Intellectual Property AB Boring head for rotary boring

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE233184C (no) *
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
US4142598A (en) * 1977-05-23 1979-03-06 Smith International, Inc. Two stage large diameter drill bit
US4108259A (en) * 1977-05-23 1978-08-22 Smith International, Inc. Raise drill with removable stem

Also Published As

Publication number Publication date
US4386670A (en) 1983-06-07
ZA812806B (en) 1982-04-28
CA1148929A (en) 1983-06-28
SE436219B (sv) 1984-11-19
SE8003905L (sv) 1981-11-28
BR8103170A (pt) 1982-02-09
AU539398B2 (en) 1984-09-27
NO811772L (no) 1981-11-30
NO158962B (no) 1988-08-08
DE3119911C2 (de) 1984-08-09
DE3119911A1 (de) 1982-04-29
AU7015381A (en) 1981-12-03

Similar Documents

Publication Publication Date Title
NO810075L (no) Borkrone.
NL182543C (nl) Ringvormige gatenboor.
FI77044B (fi) Sidokedjade l-aspartyl-d-aminosyra- dipeptidsyror.
FI811552A7 (fi) Moniejektori.
ATE15191T1 (de) Antihypertensiva.
ES267107Y (es) Segueta.
FI814005A7 (fi) Fenoksialkoksisilaaneja.
IT8119047A0 (it) Cicloesen-derivati.
IT8119473A0 (it) 3-amidino-ansamicine.
FI73924B (fi) Loesbladspaerm.
NO157988C (no) Riggmontert broennboreapparat.
BE888474A (fr) 1omega-hydroxy-2 beta-fluorocholecalciferol.
NO811772L (no) Borkrone.
FI73532B (fi) Dubbelfrekvent stoeldbekaempningssystem.
FI812780A7 (fi) Bis-tetratsolimetyylitiolit.
IT8026945A0 (it) Chetoidrossiimminocefalosporine.
NO811356L (no) Borkrone.
FI812232A7 (fi) Pyridinyyliaminofenolit.
IT8026909A0 (it) Racla.
IT8023769A0 (it) Piretroidi.
FI803434A7 (fi) Käsiporakone.
IT8123864V0 (it) Sega-giocattolo alternativa.
ATE9650T1 (de) Makrolide.
ATE17118T1 (de) 2-methylseleno-benzamide.
ATE8628T1 (de) Isoxazolylindolamine.