DE8814613U1 - - Google Patents

Info

Publication number
DE8814613U1
DE8814613U1 DE8814613U DE8814613U DE8814613U1 DE 8814613 U1 DE8814613 U1 DE 8814613U1 DE 8814613 U DE8814613 U DE 8814613U DE 8814613 U DE8814613 U DE 8814613U DE 8814613 U1 DE8814613 U1 DE 8814613U1
Authority
DE
Germany
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8814613U
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bauer Spezialtiefbau GmbH
Original Assignee
Bauer Spezialtiefbau GmbH
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 Bauer Spezialtiefbau GmbH filed Critical Bauer Spezialtiefbau GmbH
Priority to DE8814613U priority Critical patent/DE8814613U1/de
Publication of DE8814613U1 publication Critical patent/DE8814613U1/de
Expired legal-status Critical Current

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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts

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)
DE8814613U 1988-11-23 1988-11-23 Expired DE8814613U1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8814613U DE8814613U1 (zh) 1988-11-23 1988-11-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE8814613U DE8814613U1 (zh) 1988-11-23 1988-11-23

Publications (1)

Publication Number Publication Date
DE8814613U1 true DE8814613U1 (zh) 1989-01-26

Family

ID=6830127

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8814613U Expired DE8814613U1 (zh) 1988-11-23 1988-11-23

Country Status (1)

Country Link
DE (1) DE8814613U1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013169A1 (de) * 1991-01-19 1992-08-06 Thomas Wolf Für einen mit axialem druck und schlägen arbeitenden, umlaufenden gesteinsbohrer bestimmter bohrmeissel
US7258180B2 (en) 2003-11-03 2007-08-21 Illinois Tool Works Inc. Rotary hammerdrill bit
CN109236191A (zh) * 2018-11-06 2019-01-18 中铁六局集团有限公司 长螺旋改进型钻孔灌注桩成孔施工方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992013169A1 (de) * 1991-01-19 1992-08-06 Thomas Wolf Für einen mit axialem druck und schlägen arbeitenden, umlaufenden gesteinsbohrer bestimmter bohrmeissel
US7258180B2 (en) 2003-11-03 2007-08-21 Illinois Tool Works Inc. Rotary hammerdrill bit
CN109236191A (zh) * 2018-11-06 2019-01-18 中铁六局集团有限公司 长螺旋改进型钻孔灌注桩成孔施工方法
CN109236191B (zh) * 2018-11-06 2019-11-12 中铁六局集团有限公司 长螺旋改进型钻孔灌注桩成孔施工方法

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