CH615726A5 - - Google Patents

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Publication number
CH615726A5
CH615726A5 CH33277A CH33277A CH615726A5 CH 615726 A5 CH615726 A5 CH 615726A5 CH 33277 A CH33277 A CH 33277A CH 33277 A CH33277 A CH 33277A CH 615726 A5 CH615726 A5 CH 615726A5
Authority
CH
Switzerland
Prior art keywords
sleeve
drill
shaft
rock drill
rock
Prior art date
Application number
CH33277A
Other languages
German (de)
English (en)
Inventor
Karl Dr Ing Wanner
Wilbert Reibetanz
Original Assignee
Bosch Gmbh Robert
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
Priority claimed from DE19762605097 external-priority patent/DE2605097A1/de
Priority claimed from DE19762636083 external-priority patent/DE2636083A1/de
Priority claimed from DE19762645693 external-priority patent/DE2645693A1/de
Application filed by Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of CH615726A5 publication Critical patent/CH615726A5/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0486—Drills for trepanning with lubricating or cooling equipment
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B10/38—Percussion drill bits characterised by conduits or nozzles for drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2251/00—Details of tools for drilling machines
    • B23B2251/68—Drills with provision for suction
CH33277A 1976-02-10 1977-01-12 CH615726A5 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19762605097 DE2605097A1 (de) 1976-02-10 1976-02-10 Kreuzbohrkrone
DE19762636083 DE2636083A1 (de) 1976-08-11 1976-08-11 Gesteinsbohrer
DE19762645693 DE2645693A1 (de) 1976-10-09 1976-10-09 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
CH615726A5 true CH615726A5 (ja) 1980-02-15

Family

ID=27186737

Family Applications (1)

Application Number Title Priority Date Filing Date
CH33277A CH615726A5 (ja) 1976-02-10 1977-01-12

Country Status (6)

Country Link
US (1) US4113037A (ja)
CH (1) CH615726A5 (ja)
DK (1) DK55177A (ja)
GB (1) GB1564977A (ja)
NL (1) NL7701356A (ja)
SE (1) SE7701301L (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427149C1 (de) * 1994-08-01 1995-10-26 Duss Maschf Bohrwerkzeug, insbesondere für Bohrhämmer
DE102018207073A1 (de) * 2018-05-07 2019-11-07 Robert Bosch Gmbh Bohrwerkzeug

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4750571A (en) * 1986-10-08 1988-06-14 Geeting Marvin D Screen placement method and apparatus
GB8624430D0 (en) * 1986-10-11 1986-11-12 Waddell G Piloted drill bit
JP3924365B2 (ja) * 1997-11-28 2007-06-06 ユニカ株式会社 吸塵用アダプター
DE202008009050U1 (de) * 2008-07-04 2008-09-04 Böck, Alexander Erdbohrvorrichtung
US8881847B2 (en) * 2010-01-29 2014-11-11 Kennametal Inc. Dust collecting device for a roof tool
US20120063856A1 (en) * 2010-09-10 2012-03-15 Makita Corporation Dust collecting device
EP2990589B1 (en) 2014-08-25 2017-05-03 Sandvik Intellectual Property AB Drill bit with recessed cutting face
DE102018207070A1 (de) * 2018-05-07 2019-11-07 Robert Bosch Gmbh Bohrwerkzeug
DE102019205656A1 (de) * 2018-05-07 2019-11-07 Robert Bosch Gmbh Bohrwerkzeug
FR3089835B1 (fr) * 2018-12-14 2021-02-26 Diager Outil de travail et son dispositif d’aspiration de poussière
EP3978170A1 (de) * 2020-10-02 2022-04-06 Hilti Aktiengesellschaft Werkzeug für eine mobile werkzeugmaschine
DE202021103665U1 (de) * 2021-07-08 2021-07-23 Karlsruher Institut für Technologie, Körperschaft des öffentlichen Rechts Bohreinsatz sowie Bohrfutteraufsatz für den Bohreinsatz

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1109782A (en) * 1911-05-10 1914-09-08 John James Purcell Rock-drill.
US2879035A (en) * 1957-04-29 1959-03-24 Carl V Tilden Drilling apparatus
US3162255A (en) * 1961-08-25 1964-12-22 Black & Decker Mfg Co Vacuum dust-collecting apparatus for rotating hammer-drill
AT236319B (de) * 1961-11-08 1964-10-12 Boehler & Co Ag Geb Anordnung zur Zuführung des Spülmittels zum Bohrrohr bzw. zur Bohrstange mittels eines Spülkopfes
US3422913A (en) * 1966-11-10 1969-01-21 Val Dev Corp Du Earth digging and conveying apparatus
US3655001A (en) * 1970-02-04 1972-04-11 Schramm Inc Large diameter earth drill
GB1345341A (en) * 1971-03-03 1974-01-30 Devac Ab Percussion machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4427149C1 (de) * 1994-08-01 1995-10-26 Duss Maschf Bohrwerkzeug, insbesondere für Bohrhämmer
DE102018207073A1 (de) * 2018-05-07 2019-11-07 Robert Bosch Gmbh Bohrwerkzeug

Also Published As

Publication number Publication date
DK55177A (da) 1977-08-11
SE7701301L (sv) 1977-08-11
US4113037A (en) 1978-09-12
GB1564977A (en) 1980-04-16
NL7701356A (nl) 1977-08-12

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Legal Events

Date Code Title Description
PL Patent ceased