FR2048559A5 - - Google Patents

Info

Publication number
FR2048559A5
FR2048559A5 FR7018282A FR7018282A FR2048559A5 FR 2048559 A5 FR2048559 A5 FR 2048559A5 FR 7018282 A FR7018282 A FR 7018282A FR 7018282 A FR7018282 A FR 7018282A FR 2048559 A5 FR2048559 A5 FR 2048559A5
Authority
FR
France
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
FR7018282A
Other languages
French (fr)
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.)
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Original Assignee
Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
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 Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG filed Critical Hawera Probst Hartmetall Werk Zeugfabrik Ravensburgh KG
Application granted granted Critical
Publication of FR2048559A5 publication Critical patent/FR2048559A5/fr
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
    • 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
FR7018282A 1969-05-30 1970-05-20 Expired FR2048559A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691927754 DE1927754C3 (de) 1969-05-30 1969-05-30 Gesteinsbohrer

Publications (1)

Publication Number Publication Date
FR2048559A5 true FR2048559A5 (xx) 1971-03-19

Family

ID=5735705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7018282A Expired FR2048559A5 (xx) 1969-05-30 1970-05-20

Country Status (11)

Country Link
AT (1) AT296189B (xx)
BE (1) BE750655A (xx)
CA (1) CA961029A (xx)
CH (1) CH519094A (xx)
DE (1) DE1927754C3 (xx)
DK (1) DK137867B (xx)
FR (1) FR2048559A5 (xx)
GB (1) GB1280065A (xx)
LU (1) LU60960A1 (xx)
NL (1) NL162586C (xx)
SE (1) SE365574B (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009838A1 (fr) * 1978-09-28 1980-04-16 Ph. GUEX & FILS S.A. Foret à pierre pour perceuse-frappeuse ou marteau électrique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2735227C2 (de) * 1977-08-04 1983-10-27 Hawera Probst Gmbh + Co, 7980 Ravensburg Gesteinsbohrer
DE3014693A1 (de) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan Gesteinsbohrer
DE3834675A1 (de) * 1988-10-12 1990-04-19 Hawera Probst Kg Hartmetall Bohrwerkzeug
TW299385B (en) * 1994-12-12 1997-03-01 Black & Decker Inc Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5918105A (en) * 1994-12-12 1999-06-29 Black & Decker Inc. Cutting tools for drilling concrete, aggregate, masonry or the like materials
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute
DE102016225458A1 (de) * 2016-12-19 2018-06-21 Robert Bosch Gmbh Ultraschallbohrwerkzeug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009838A1 (fr) * 1978-09-28 1980-04-16 Ph. GUEX & FILS S.A. Foret à pierre pour perceuse-frappeuse ou marteau électrique
FR2437921A1 (fr) * 1978-09-28 1980-04-30 Guex & Fils Sa Ph Foret a pierre pour perceuse-frappeuse ou marteau electrique

Also Published As

Publication number Publication date
NL162586C (nl) 1980-06-16
DE1927754B2 (de) 1978-04-27
DE1927754A1 (de) 1970-12-17
CA961029A (en) 1975-01-14
GB1280065A (en) 1972-07-05
NL7005722A (xx) 1970-12-02
CH519094A (de) 1972-02-15
DE1927754C3 (de) 1978-12-14
NL162586B (nl) 1980-01-15
BE750655A (fr) 1970-11-03
LU60960A1 (xx) 1970-07-21
DK137867B (da) 1978-05-22
SE365574B (xx) 1974-03-25
AT296189B (de) 1972-02-10

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Legal Events

Date Code Title Description
ST Notification of lapse