BE614760A - Trépan élargisseur à molettes. - Google Patents

Trépan élargisseur à molettes.

Info

Publication number
BE614760A
BE614760A BE614760A BE614760A BE614760A BE 614760 A BE614760 A BE 614760A BE 614760 A BE614760 A BE 614760A BE 614760 A BE614760 A BE 614760A BE 614760 A BE614760 A BE 614760A
Authority
BE
Belgium
Prior art keywords
knurled
widening bit
widening
bit
knurled widening
Prior art date
Application number
BE614760A
Other languages
English (en)
French (fr)
Inventor
Karl-Guenter Bechem
Original Assignee
Soeding & Halbach J C
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 Soeding & Halbach J C filed Critical Soeding & Halbach J C
Publication of BE614760A publication Critical patent/BE614760A/fr

Links

Classifications

    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • 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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE614760A 1961-03-13 1962-03-07 Trépan élargisseur à molettes. BE614760A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB61648A DE1235237B (de) 1961-03-13 1961-03-13 Erweiterungsrollenmeissel

Publications (1)

Publication Number Publication Date
BE614760A true BE614760A (fr) 1962-09-02

Family

ID=6973275

Family Applications (1)

Application Number Title Priority Date Filing Date
BE614760A BE614760A (fr) 1961-03-13 1962-03-07 Trépan élargisseur à molettes.

Country Status (7)

Country Link
US (1) US3204710A (sv)
BE (1) BE614760A (sv)
CH (1) CH391622A (sv)
DE (1) DE1235237B (sv)
GB (1) GB980644A (sv)
NL (1) NL275415A (sv)
SE (1) SE220325C1 (sv)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3326307A (en) * 1965-01-28 1967-06-20 Chicago Pneumatic Tool Co Rock bit roller cone
ZA723776B (en) * 1972-06-02 1974-01-30 Hard Metals Ltd Disc cutting unit for use on rock boring machines
US3982595A (en) * 1972-07-24 1976-09-28 Dresser Industries, Inc. Rock boring cutter with replaceable cutting elements
US4040493A (en) * 1976-05-13 1977-08-09 Dresser Industries, Inc. Rock boring cutter with thread-on replaceable cutting element
US4248314A (en) * 1979-05-29 1981-02-03 Hughes Tool Company Shaft drill bit with overlapping cutter arrangement
SE467700B (sv) * 1986-01-28 1992-08-31 Boart Int Ltd Skivformat skaer foer bergbearbetningsmaskiner

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE187375C (sv) *
US748206A (en) * 1902-09-04 1903-12-29 Wilhelm Mueller Tube-cleaner.
US1152151A (en) * 1911-04-03 1915-08-31 Harry R Decker Drill.
US1747909A (en) * 1922-05-29 1930-02-18 Universal Rotary Bit Company Rotary sectional bit
US1747908A (en) * 1923-08-11 1930-02-18 Universal Rotary Bit Company Rotary drill bit
US2241549A (en) * 1940-02-06 1941-05-13 Sr John W Hatcher Rotary bit
US3016099A (en) * 1959-07-17 1962-01-09 Terminal Drilling And Producti Hole enlarger
US3046055A (en) * 1960-02-19 1962-07-24 Anderson Co Position-adjusting mechanism
FR1252535A (fr) * 1960-04-01 1961-01-27 Bergwerksverband Gmbh Fleuret d'élargissement à galets, pour forages
DE1224679B (de) * 1961-02-27 1966-09-15 Soeding & Halbach J C Erweiterungsrollenmeissel

Also Published As

Publication number Publication date
NL275415A (sv)
CH391622A (de) 1965-05-15
GB980644A (en) 1965-01-13
US3204710A (en) 1965-09-07
DE1235237B (de) 1967-03-02
SE220325C1 (sv) 1968-05-07

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