GB1108373A - Drill bit - Google Patents

Drill bit

Info

Publication number
GB1108373A
GB1108373A GB26268/66A GB2626866A GB1108373A GB 1108373 A GB1108373 A GB 1108373A GB 26268/66 A GB26268/66 A GB 26268/66A GB 2626866 A GB2626866 A GB 2626866A GB 1108373 A GB1108373 A GB 1108373A
Authority
GB
United Kingdom
Prior art keywords
shank
tip
drill bit
june
sleeve
Prior art date
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
GB26268/66A
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.)
ARTUR FISCHER
Original Assignee
ARTUR FISCHER
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 ARTUR FISCHER filed Critical ARTUR FISCHER
Publication of GB1108373A publication Critical patent/GB1108373A/en
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)
  • 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)

Abstract

1,108,373. Drills. A. FISCHER. 13 June. 1966 [14 June, 1965], No. 26268/66. Heading B3C. A drill 1 comprises a shank la, Fig. 1, having a key 1b for connecting a tip 3, Fig. 3, thereto, and a synthetic plastics sleeve 2, having a helical groove 2a fixed on, or moulded to, the shank. After drilling, the tip is left in the hole. In a modification, shank 11, Fig. 4, has lugs 11c, which engage in longitudinal grooves 12d in sleeve 12, the tip 13 being soldered to the shank.
GB26268/66A 1965-06-14 1966-06-13 Drill bit Expired GB1108373A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1108373A true GB1108373A (en) 1968-04-03

Family

ID=7100973

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26268/66A Expired GB1108373A (en) 1965-06-14 1966-06-13 Drill bit

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5382121A (en) * 1993-09-02 1995-01-17 Bicknell; David P. Drill bit for use in concrete and asphalt

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 (en) * 1974-03-26 1975-10-16 Heller Geb ROCK DRILLS
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 (en) * 1980-04-16 1981-10-22 Hilti AG, 9494 Schaan ROCK DRILL
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
US4489796A (en) * 1983-05-25 1984-12-25 Gte Laboratories Incorporated Insert for a mine tool roof bit and a method of drilling therewith
US4527638A (en) * 1983-05-25 1985-07-09 Gte Laboratories Incorporated Mine tool roof bit insert and a method of drilling therewith
DE8514422U1 (en) * 1985-05-15 1985-07-18 Hawera Probst Gmbh + Co, 7980 Ravensburg Drilling tool with exchangeable feed spiral
DE3517560A1 (en) * 1985-05-15 1986-11-20 Hawera Probst Gmbh + Co, 7980 Ravensburg REPLACEMENT CONVEYOR FOR ROCK DRILLS
US4949795A (en) * 1988-07-11 1990-08-21 Gas Research Institute Rotary rapid excavation system
DE3919095A1 (en) * 1988-07-16 1990-01-18 Hawera Probst Kg Hartmetall DRILLING TOOL
DE4003374C1 (en) * 1990-02-05 1991-05-08 Sfs Stadler Holding Ag, Heerbrugg, Ch
US5265688A (en) * 1990-04-09 1993-11-30 Hilti Aktiengesellschaft Rock drill
DE4338667A1 (en) * 1993-11-12 1995-05-18 Hilti Ag Drilling tool
DE19603298A1 (en) * 1996-01-30 1997-07-31 Berner Gmbh Drilling tool
ITBZ20130059A1 (en) * 2013-11-25 2015-05-26 Intercable Srl HELICOIDAL DRILL TIP AND PROCEDURE FOR ITS PRODUCTION
EP3409880B1 (en) * 2017-05-29 2020-07-08 Intercable GmbH Hybrid ice drill

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
US5382121A (en) * 1993-09-02 1995-01-17 Bicknell; David P. Drill bit for use in concrete and asphalt

Also Published As

Publication number Publication date
NL6607373A (en) 1966-12-15
CH440097A (en) 1967-07-15
BE681651A (en) 1966-10-31
ES327876A1 (en) 1967-04-01
US3372763A (en) 1968-03-12
AT268628B (en) 1969-02-25

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