FR2115828A5 - - Google Patents

Info

Publication number
FR2115828A5
FR2115828A5 FR7139712A FR7139712A FR2115828A5 FR 2115828 A5 FR2115828 A5 FR 2115828A5 FR 7139712 A FR7139712 A FR 7139712A FR 7139712 A FR7139712 A FR 7139712A FR 2115828 A5 FR2115828 A5 FR 2115828A5
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
FR7139712A
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.)
REINHOLDT AS H
Original Assignee
REINHOLDT AS H
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 REINHOLDT AS H filed Critical REINHOLDT AS H
Application granted granted Critical
Publication of FR2115828A5 publication Critical patent/FR2115828A5/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)
FR7139712A 1970-11-25 1971-11-05 Expired FR2115828A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702057892 DE2057892A1 (de) 1970-11-25 1970-11-25 Gesteinsbohrer fuer Schlagbohrmaschinen

Publications (1)

Publication Number Publication Date
FR2115828A5 true FR2115828A5 (fr) 1972-07-07

Family

ID=5789029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7139712A Expired FR2115828A5 (fr) 1970-11-25 1971-11-05

Country Status (7)

Country Link
AT (1) AT313220B (fr)
CH (1) CH525753A (fr)
DE (1) DE2057892A1 (fr)
FR (1) FR2115828A5 (fr)
GB (1) GB1362292A (fr)
IT (1) IT941107B (fr)
NL (1) NL7114401A (fr)

Cited By (3)

* 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
FR2480847A1 (fr) * 1980-04-16 1981-10-23 Hilti Ag Foret a roche
EP0655547A2 (fr) * 1993-11-12 1995-05-31 HILTI Aktiengesellschaft Trépan de roche avec partie transporteuse hélicoidale

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5641028A (en) * 1995-08-10 1997-06-24 Black & Decker Inc. Drill bit with debris conveying flute
GB2393681A (en) 2002-10-03 2004-04-07 Black & Decker Inc Masonry drilling tool

Cited By (5)

* 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
FR2480847A1 (fr) * 1980-04-16 1981-10-23 Hilti Ag Foret a roche
EP0655547A2 (fr) * 1993-11-12 1995-05-31 HILTI Aktiengesellschaft Trépan de roche avec partie transporteuse hélicoidale
EP0655547A3 (fr) * 1993-11-12 1995-11-08 Hilti Ag Trépan de roche avec partie transporteuse hélicoidale.

Also Published As

Publication number Publication date
GB1362292A (en) 1974-08-07
CH525753A (de) 1972-07-31
DE2057892A1 (de) 1972-06-08
IT941107B (it) 1973-03-01
AT313220B (de) 1974-02-11
NL7114401A (fr) 1972-05-29

Similar Documents

Publication Publication Date Title
AR204384A1 (fr)
FR2115828A5 (fr)
ATA96471A (fr)
AU1146470A (fr)
AU1473870A (fr)
AU2044470A (fr)
AU2017870A (fr)
AU1833270A (fr)
AU1716970A (fr)
AU1517670A (fr)
AU2085370A (fr)
AU1336970A (fr)
AU1326870A (fr)
AR195465A1 (fr)
AU1881070A (fr)
AU1832970A (fr)
AU1235770A (fr)
AU1247570A (fr)
AU1277070A (fr)
AU2061170A (fr)
ATA672271A (fr)
AU1328670A (fr)
AU1974970A (fr)
AU1343870A (fr)
AU1086670A (fr)

Legal Events

Date Code Title Description
ST Notification of lapse