EP0726382A3 - Drehbohrwerkzeug - Google Patents

Drehbohrwerkzeug Download PDF

Info

Publication number
EP0726382A3
EP0726382A3 EP96810018A EP96810018A EP0726382A3 EP 0726382 A3 EP0726382 A3 EP 0726382A3 EP 96810018 A EP96810018 A EP 96810018A EP 96810018 A EP96810018 A EP 96810018A EP 0726382 A3 EP0726382 A3 EP 0726382A3
Authority
EP
European Patent Office
Prior art keywords
drilling tool
rotary drilling
rotary
tool
drilling
Prior art date
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.)
Withdrawn
Application number
EP96810018A
Other languages
English (en)
French (fr)
Other versions
EP0726382A2 (de
Inventor
Ralf Baumann
Martin Petry
Edwin Schweizer
Maximilian Stoeck
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP0726382A2 publication Critical patent/EP0726382A2/de
Publication of EP0726382A3 publication Critical patent/EP0726382A3/de
Withdrawn legal-status Critical Current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
    • E21B10/445—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts percussion type, e.g. for masonry

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP96810018A 1995-02-10 1996-01-09 Drehbohrwerkzeug Withdrawn EP0726382A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1995104466 DE19504466A1 (de) 1995-02-10 1995-02-10 Drehbohrwerkzeug
DE19504466 1995-02-10

Publications (2)

Publication Number Publication Date
EP0726382A2 EP0726382A2 (de) 1996-08-14
EP0726382A3 true EP0726382A3 (de) 1996-11-06

Family

ID=7753653

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96810018A Withdrawn EP0726382A3 (de) 1995-02-10 1996-01-09 Drehbohrwerkzeug

Country Status (4)

Country Link
EP (1) EP0726382A3 (de)
JP (1) JPH08238618A (de)
CN (1) CN1135957A (de)
DE (1) DE19504466A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103600334B (zh) * 2013-12-04 2016-06-22 湖南科技大学 等波阻钻头
CN107152242B (zh) * 2017-06-23 2023-10-20 浙江君悦标准件有限公司 一种导屑型钻孔螺杆

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2013328B1 (de) * 1970-03-20 1971-07-15 Werkzeugbau Gmbh, 8130 Starnberg Gesteinsbohrer
EP0470354A1 (de) * 1990-08-06 1992-02-12 fischerwerke Artur Fischer GmbH & Co. KG Bohrer zur Herstellung von zylindrischen Bohrlöchern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2013328B1 (de) * 1970-03-20 1971-07-15 Werkzeugbau Gmbh, 8130 Starnberg Gesteinsbohrer
EP0470354A1 (de) * 1990-08-06 1992-02-12 fischerwerke Artur Fischer GmbH & Co. KG Bohrer zur Herstellung von zylindrischen Bohrlöchern

Also Published As

Publication number Publication date
DE19504466A1 (de) 1996-08-14
EP0726382A2 (de) 1996-08-14
JPH08238618A (ja) 1996-09-17
CN1135957A (zh) 1996-11-20

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