FR2083938A5 - - Google Patents

Info

Publication number
FR2083938A5
FR2083938A5 FR7105963A FR7105963A FR2083938A5 FR 2083938 A5 FR2083938 A5 FR 2083938A5 FR 7105963 A FR7105963 A FR 7105963A FR 7105963 A FR7105963 A FR 7105963A FR 2083938 A5 FR2083938 A5 FR 2083938A5
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
FR7105963A
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.)
WERKZEUGBAU GmbH
Original Assignee
WERKZEUGBAU GmbH
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 DE19702014870 external-priority patent/DE2014870A1/de
Priority claimed from DE19702041985 external-priority patent/DE2041985B1/en
Application filed by WERKZEUGBAU GmbH filed Critical WERKZEUGBAU GmbH
Application granted granted Critical
Publication of FR2083938A5 publication Critical patent/FR2083938A5/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E21B10/44—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 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
    • E21B17/22—Rods or pipes with helical structure
FR7105963A 1970-03-26 1971-02-22 Expired FR2083938A5 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19702014870 DE2014870A1 (en) 1970-03-26 1970-03-26
DE19702041985 DE2041985B1 (en) 1970-08-25 1970-08-25 Rock drill

Publications (1)

Publication Number Publication Date
FR2083938A5 true FR2083938A5 (en) 1971-12-17

Family

ID=25758894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7105963A Expired FR2083938A5 (en) 1970-03-26 1971-02-22

Country Status (5)

Country Link
US (1) US3703214A (en)
CH (1) CH517244A (en)
DK (1) DK124183B (en)
FR (1) FR2083938A5 (en)
NL (1) NL7102712A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480847A1 (en) * 1980-04-16 1981-10-23 Hilti Ag FOREST A ROCHE
EP0175380A1 (en) * 1984-09-21 1986-03-26 HappyCard International Limited Camera

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH626557A5 (en) * 1978-09-28 1981-11-30 Guex Philippe & Fils Sa
DE3919095A1 (en) * 1988-07-16 1990-01-18 Hawera Probst Kg Hartmetall DRILLING TOOL
DE19702137A1 (en) * 1997-01-22 1998-07-23 Fundex N V Earth displacement drill
GB9725740D0 (en) * 1997-03-24 1998-02-04 Sibille Patrick Neil Apparatus and a method for use downhole

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1107927A (en) * 1914-01-06 1914-08-18 Heinrich Fuchs Ground-auger.
FR498546A (en) * 1915-04-06 1920-01-14 Frederic Guillierme Blasthole digging machine
US2572839A (en) * 1947-10-23 1951-10-30 Mcclinton John Combination key seat remover and vibration distributor for well drilling
DE1782509A1 (en) * 1968-09-11 1971-08-26 Mayer Kg Drill for the machine production of plant holes in flower pots or other containers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480847A1 (en) * 1980-04-16 1981-10-23 Hilti Ag FOREST A ROCHE
EP0175380A1 (en) * 1984-09-21 1986-03-26 HappyCard International Limited Camera

Also Published As

Publication number Publication date
DK124183B (en) 1972-09-25
NL7102712A (en) 1971-09-28
US3703214A (en) 1972-11-21
CH517244A (en) 1971-12-31

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Legal Events

Date Code Title Description
ST Notification of lapse