BE681651A - - Google Patents

Info

Publication number
BE681651A
BE681651A BE681651DA BE681651A BE 681651 A BE681651 A BE 681651A BE 681651D A BE681651D A BE 681651DA BE 681651 A BE681651 A BE 681651A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE681651A publication Critical patent/BE681651A/xx

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)
  • 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)
  • Drilling Tools (AREA)
BE681651D 1965-06-14 1966-05-26 BE681651A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0046325 1965-06-14

Publications (1)

Publication Number Publication Date
BE681651A true BE681651A (fi) 1966-10-31

Family

ID=7100973

Family Applications (1)

Application Number Title Priority Date Filing Date
BE681651D BE681651A (fi) 1965-06-14 1966-05-26

Country Status (7)

Country Link
US (1) US3372763A (fi)
AT (1) AT268628B (fi)
BE (1) BE681651A (fi)
CH (1) CH440097A (fi)
ES (1) ES327876A1 (fi)
GB (1) GB1108373A (fi)
NL (1) NL6607373A (fi)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480847A1 (fr) * 1980-04-16 1981-10-23 Hilti Ag Foret a roche

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3715952A (en) * 1969-09-19 1973-02-13 Fischer Artur Expansion anchor unit
DE2414354A1 (de) * 1974-03-26 1975-10-16 Heller Geb Gesteinsbohrer
US4051905A (en) * 1974-03-28 1977-10-04 Gerbruder Heller Drill for percussion drilling machines
US4406332A (en) * 1978-10-02 1983-09-27 Dismukes Newton B Rotary earth boring tool
US4365678A (en) * 1980-11-28 1982-12-28 Mobil Oil Corporation Tubular drill string member with contoured circumferential surface
US4465146A (en) * 1980-11-28 1984-08-14 Mobil Oil Corporation Tubular drill string member with contoured circumferential surface
US4527638A (en) * 1983-05-25 1985-07-09 Gte Laboratories Incorporated Mine tool roof bit insert and a method of drilling therewith
US4489796A (en) * 1983-05-25 1984-12-25 Gte Laboratories Incorporated Insert for a mine tool roof bit and a method of drilling therewith
DE8514422U1 (de) * 1985-05-15 1985-07-18 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeug mit austauschbarer Förderwendel
DE3517560A1 (de) * 1985-05-15 1986-11-20 Hawera Probst Gmbh + Co, 7980 Ravensburg Austausch-foerderwendel fuer gesteinsbohrer
US4949795A (en) * 1988-07-11 1990-08-21 Gas Research Institute Rotary rapid excavation system
DE3919095A1 (de) * 1988-07-16 1990-01-18 Hawera Probst Kg Hartmetall Bohrwerkzeug
DE4003374C1 (fi) 1990-02-05 1991-05-08 Sfs Stadler Holding Ag, Heerbrugg, Ch
US5265688A (en) * 1990-04-09 1993-11-30 Hilti Aktiengesellschaft Rock drill
US5382121A (en) * 1993-09-02 1995-01-17 Bicknell; David P. Drill bit for use in concrete and asphalt
DE4338667A1 (de) * 1993-11-12 1995-05-18 Hilti Ag Bohrwerkzeug
DE19603298A1 (de) * 1996-01-30 1997-07-31 Berner Gmbh Bohrwerkzeug
ITBZ20130059A1 (it) * 2013-11-25 2015-05-26 Intercable Srl Punta elicoidale da trapano e procedimento per la sua produzione
EP3409880B1 (de) * 2017-05-29 2020-07-08 Intercable GmbH Hybrid-eisbohrer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2754160A (en) * 1956-07-10 Well apparatus
US1331458A (en) * 1916-06-17 1920-02-17 Hoffman Marguerite Drill
US1616666A (en) * 1923-03-05 1927-02-08 Loran E Nebergall Drill collar for hydraulic rotary drills
US2714500A (en) * 1952-02-06 1955-08-02 Snyder Oil Tool Corp Impact drill
US2773672A (en) * 1952-09-17 1956-12-11 Ellis C Holmes Drilling bit
US2856157A (en) * 1955-09-19 1958-10-14 New England Carbide Tool Compa Masonry drills
US2902260A (en) * 1957-07-16 1959-09-01 Carl V Tilden Drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2480847A1 (fr) * 1980-04-16 1981-10-23 Hilti Ag Foret a roche

Also Published As

Publication number Publication date
US3372763A (en) 1968-03-12
AT268628B (de) 1969-02-25
NL6607373A (fi) 1966-12-15
ES327876A1 (es) 1967-04-01
CH440097A (de) 1967-07-15
GB1108373A (en) 1968-04-03

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