FR2315602A1 - Foret a roches - Google Patents

Foret a roches

Info

Publication number
FR2315602A1
FR2315602A1 FR7618772A FR7618772A FR2315602A1 FR 2315602 A1 FR2315602 A1 FR 2315602A1 FR 7618772 A FR7618772 A FR 7618772A FR 7618772 A FR7618772 A FR 7618772A FR 2315602 A1 FR2315602 A1 FR 2315602A1
Authority
FR
France
Prior art keywords
drill
buttons
pneumatic
electric
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Withdrawn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
FR7618772A
Other languages
English (en)
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
Publication of FR2315602A1 publication Critical patent/FR2315602A1/fr
Withdrawn legal-status Critical Current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)
FR7618772A 1975-06-24 1976-06-21 Foret a roches Withdrawn FR2315602A1 (fr)

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
FR2315602A1 true FR2315602A1 (fr) 1977-01-21

Family

ID=5949783

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7618772A Withdrawn FR2315602A1 (fr) 1975-06-24 1976-06-21 Foret a roches

Country Status (4)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412392A1 (fr) * 1977-12-21 1979-07-20 Krupp Gmbh Fleuret a roches
FR2476737A1 (fr) * 1980-02-25 1981-08-28 Pellicer Carlos F Outil pour perforer les materiaux pierreux du type a dents comportant une ailette helicoidale de transport
EP0140849A2 (fr) * 1983-09-20 1985-05-08 Santrade Ltd. Trépan de roche
WO1986005542A1 (fr) * 1985-03-20 1986-09-25 Siegfried Treitz Couronne de fleurets percutants pour perforatrices de rochers
EP3581352A1 (fr) * 2018-06-11 2019-12-18 HILTI Aktiengesellschaft Alésoir et procédé permettant de produire des alésages fraisés dans du béton

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3544433C2 (de) * 1985-12-16 1995-12-14 Hilti Ag Gesteinsbohrer
DE3608276A1 (de) 1986-03-12 1987-09-17 Dunkel Otto Gmbh Kontaktelement in form einer kontaktfederbuchse bzw. eines gefederten steckerstiftes und verfahren zu dessen herstellung
DE3707798A1 (de) * 1987-03-11 1988-09-22 Hawera Probst Kg Hartmetall Gesteinsbohrer
DE3919264C2 (de) * 1989-06-13 1997-01-23 Duss Maschf Drehschlagbohrer für ein von Hand führbares Bohrgerät
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
TW299385B (en) * 1994-12-12 1997-03-01 Black & Decker Inc Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5575342A (en) * 1995-05-26 1996-11-19 Sandvik Ab Percussion drill bit, an insert for use therein and a method of drilling a bore

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2412392A1 (fr) * 1977-12-21 1979-07-20 Krupp Gmbh Fleuret a roches
FR2476737A1 (fr) * 1980-02-25 1981-08-28 Pellicer Carlos F Outil pour perforer les materiaux pierreux du type a dents comportant une ailette helicoidale de transport
EP0140849A2 (fr) * 1983-09-20 1985-05-08 Santrade Ltd. Trépan de roche
JPS6085186A (ja) * 1983-09-20 1985-05-14 サントレード　リミテツド 衝撃式さく岩用ドリルビツト
EP0140849A3 (en) * 1983-09-20 1985-06-05 Santrade Ltd. Rock drill bit
US4598779A (en) * 1983-09-20 1986-07-08 Santrade Limited Rock drill bit
JPH0581713B2 (fr) * 1983-09-20 1993-11-15 Santrade Ltd
WO1986005542A1 (fr) * 1985-03-20 1986-09-25 Siegfried Treitz Couronne de fleurets percutants pour perforatrices de rochers
EP0199040A1 (fr) * 1985-03-20 1986-10-29 Siegfried Treitz Trépan à percussion pour machines de forage de la roche
EP3581352A1 (fr) * 2018-06-11 2019-12-18 HILTI Aktiengesellschaft Alésoir et procédé permettant de produire des alésages fraisés dans du béton

Also Published As

Publication number Publication date
DE2528003A1 (de) 1977-01-20
SE7602306L (sv) 1976-12-25
DK265876A (da) 1976-12-25

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Legal Events

Date Code Title Description
ST Notification of lapse