DE2528003A1 - Gesteinsbohrer - Google Patents

Gesteinsbohrer

Info

Publication number
DE2528003A1
DE2528003A1 DE19752528003 DE2528003A DE2528003A1 DE 2528003 A1 DE2528003 A1 DE 2528003A1 DE 19752528003 DE19752528003 DE 19752528003 DE 2528003 A DE2528003 A DE 2528003A DE 2528003 A1 DE2528003 A1 DE 2528003A1
Authority
DE
Germany
Prior art keywords
drill
cutting
drill head
pins
head tip
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Withdrawn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
DE19752528003
Other languages
German (de)
English (en)
Inventor
Hartwig Pietsch
Klaus Steinkuehler
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.)
Fried Krupp AG
Original Assignee
Fried Krupp 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 Fried Krupp AG filed Critical Fried Krupp AG
Priority to DE19752528003 priority Critical patent/DE2528003A1/de
Priority to SE7602306A priority patent/SE7602306L/xx
Priority to DK265876A priority patent/DK265876A/da
Priority to FR7618772A priority patent/FR2315602A1/fr
Publication of DE2528003A1 publication Critical patent/DE2528003A1/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Withdrawn legal-status Critical Current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
    • E21B10/36—Percussion drill bits
    • E21B10/40—Percussion drill bits with leading portion
    • 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
    • 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
DE19752528003 1975-06-24 1975-06-24 Gesteinsbohrer Withdrawn DE2528003A1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE19752528003 DE2528003A1 (de) 1975-06-24 1975-06-24 Gesteinsbohrer
SE7602306A SE7602306L (sv) 1975-06-24 1976-02-25 Stenborr
DK265876A DK265876A (da) 1975-06-24 1976-06-14 Stenbor
FR7618772A FR2315602A1 (fr) 1975-06-24 1976-06-21 Foret a roches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752528003 DE2528003A1 (de) 1975-06-24 1975-06-24 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
DE2528003A1 true DE2528003A1 (de) 1977-01-20

Family

ID=5949783

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752528003 Withdrawn DE2528003A1 (de) 1975-06-24 1975-06-24 Gesteinsbohrer

Country Status (4)

Country Link
DE (1) DE2528003A1 (da)
DK (1) DK265876A (da)
FR (1) FR2315602A1 (da)
SE (1) SE7602306L (da)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756990A1 (de) * 1977-12-21 1979-06-28 Krupp Gmbh Gesteinsbohrer
DE3510048C1 (de) * 1985-03-20 1986-04-10 Siegfried 5883 Kierspe Treitz Schlagbohrkrone fuer Gesteinsbohrmaschinen
DE3544433A1 (de) * 1985-12-16 1987-06-19 Hilti Ag Gesteinsbohrer
EP0236963A2 (de) 1986-03-12 1987-09-16 Otto Dunkel Gmbh Fabrik Für Elektrotechnische Geräte Verfahren zur Herstellung von Kontaktelementen
US4889200A (en) * 1987-03-11 1989-12-26 Hawera Probst Gmbh+Co. Rock drill
DE3919264A1 (de) * 1989-06-13 1990-12-20 Duss Maschf Drehschlagbohrer fuer ein von hand fuehrbares bohrgeraet
DE4102794A1 (de) * 1991-01-31 1992-08-06 Hawera Probst Kg Hartmetall Bohrwerkzeug
WO1996037679A1 (en) * 1995-05-26 1996-11-28 Sandvik Ab Percussion drill bit, an insert, a use and a method of maintaining the drill bit diameter
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
US6174111B1 (en) * 1994-12-12 2001-01-16 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES8102625A1 (es) * 1980-02-25 1980-12-01 Pellicer Carlos F Perfeccionamientos en las herramientas para perforar mate- rias petreas
SE452636B (sv) * 1983-09-20 1987-12-07 Santrade Ltd Bergborrkrona
EP3581352B1 (en) * 2018-06-11 2021-10-06 HILTI Aktiengesellschaft Reamer and method for producing countersunk bores in concrete

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2756990A1 (de) * 1977-12-21 1979-06-28 Krupp Gmbh Gesteinsbohrer
US4771834A (en) * 1985-03-20 1988-09-20 Siegfried Treitz Percussion drill bit for rock perforators
DE3510048C1 (de) * 1985-03-20 1986-04-10 Siegfried 5883 Kierspe Treitz Schlagbohrkrone fuer Gesteinsbohrmaschinen
EP0226537A3 (en) * 1985-12-16 1988-11-23 Hilti Aktiengesellschaft Rock drill bit
JPH0720386U (ja) * 1985-12-16 1995-04-11 ヒルティ アクチエンゲゼルシャフト 削岩機用ドリル
US4765419A (en) * 1985-12-16 1988-08-23 Hilti Aktiengesellschaft Rock drill with cutting inserts
EP0226537A2 (de) * 1985-12-16 1987-06-24 HILTI Aktiengesellschaft Gesteinsbohrer
DE3544433A1 (de) * 1985-12-16 1987-06-19 Hilti Ag Gesteinsbohrer
JPS62141293A (ja) * 1985-12-16 1987-06-24 ヒルテイ・アクチエンゲゼルシヤフト 削岩機用ドリル
EP0236963A2 (de) 1986-03-12 1987-09-16 Otto Dunkel Gmbh Fabrik Für Elektrotechnische Geräte Verfahren zur Herstellung von Kontaktelementen
US4889200A (en) * 1987-03-11 1989-12-26 Hawera Probst Gmbh+Co. Rock drill
DE3919264A1 (de) * 1989-06-13 1990-12-20 Duss Maschf Drehschlagbohrer fuer ein von hand fuehrbares bohrgeraet
DE4102794A1 (de) * 1991-01-31 1992-08-06 Hawera Probst Kg Hartmetall Bohrwerkzeug
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
US6174111B1 (en) * 1994-12-12 2001-01-16 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
WO1996037679A1 (en) * 1995-05-26 1996-11-28 Sandvik Ab Percussion drill bit, an insert, a use and a method of maintaining the drill bit diameter
AU712341B2 (en) * 1995-05-26 1999-11-04 Sandvik Intellectual Property Ab Percussion drill bit, an insert, a use and a method of maintaining the drill bit diameter

Also Published As

Publication number Publication date
DK265876A (da) 1976-12-25
FR2315602A1 (fr) 1977-01-21
SE7602306L (sv) 1976-12-25

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8126 Change of the secondary classification

Free format text: E21B 10/58 E21B 10/44

8126 Change of the secondary classification

Free format text: E21B 10/58 E21B 10/44

8130 Withdrawal