CH391622A - Erweiterungsrollenmeissel - Google Patents

Erweiterungsrollenmeissel

Info

Publication number
CH391622A
CH391622A CH222962A CH222962A CH391622A CH 391622 A CH391622 A CH 391622A CH 222962 A CH222962 A CH 222962A CH 222962 A CH222962 A CH 222962A CH 391622 A CH391622 A CH 391622A
Authority
CH
Switzerland
Prior art keywords
extension roller
roller chisel
chisel
extension
roller
Prior art date
Application number
CH222962A
Other languages
German (de)
English (en)
Inventor
Bechem Karl-Guenter
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 CH391622A publication Critical patent/CH391622A/de

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
    • E21B10/26—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 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
    • E21B10/26—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)
CH222962A 1961-03-13 1962-02-23 Erweiterungsrollenmeissel CH391622A (de)

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
CH391622A true CH391622A (de) 1965-05-15

Family

ID=6973275

Family Applications (1)

Application Number Title Priority Date Filing Date
CH222962A CH391622A (de) 1961-03-13 1962-02-23 Erweiterungsrollenmeissel

Country Status (7)

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

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 (cs) *
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
SE220325C1 (cs) 1968-05-07
NL275415A (cs)
DE1235237B (de) 1967-03-02
US3204710A (en) 1965-09-07
BE614760A (fr) 1962-09-02
GB980644A (en) 1965-01-13

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