CH440097A - Bohrer - Google Patents

Bohrer

Info

Publication number
CH440097A
CH440097A CH846966A CH846966A CH440097A CH 440097 A CH440097 A CH 440097A CH 846966 A CH846966 A CH 846966A CH 846966 A CH846966 A CH 846966A CH 440097 A CH440097 A CH 440097A
Authority
CH
Switzerland
Prior art keywords
drill
Prior art date
Application number
CH846966A
Other languages
English (en)
Inventor
Fischer Artur
Original Assignee
Fischer Artur
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 Fischer Artur filed Critical Fischer Artur
Publication of CH440097A publication Critical patent/CH440097A/de

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)
  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CH846966A 1965-06-14 1966-06-10 Bohrer CH440097A (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH440097A true CH440097A (de) 1967-07-15

Family

ID=7100973

Family Applications (1)

Application Number Title Priority Date Filing Date
CH846966A CH440097A (de) 1965-06-14 1966-06-10 Bohrer

Country Status (7)

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

Families Citing this family (20)

* 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
DE3014693A1 (de) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan Gesteinsbohrer
US4465146A (en) * 1980-11-28 1984-08-14 Mobil Oil Corporation Tubular drill string member with contoured circumferential surface
US4365678A (en) * 1980-11-28 1982-12-28 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
DE3517560A1 (de) * 1985-05-15 1986-11-20 Hawera Probst Gmbh + Co, 7980 Ravensburg Austausch-foerderwendel fuer gesteinsbohrer
DE8514422U1 (de) * 1985-05-15 1985-07-18 Hawera Probst Gmbh + Co, 7980 Ravensburg Bohrwerkzeug mit austauschbarer Förderwendel
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 (de) * 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

Also Published As

Publication number Publication date
ES327876A1 (es) 1967-04-01
US3372763A (en) 1968-03-12
GB1108373A (en) 1968-04-03
AT268628B (de) 1969-02-25
BE681651A (de) 1966-10-31
NL6607373A (de) 1966-12-15

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