GB636768A - Improvements relating to drilling appliances - Google Patents

Improvements relating to drilling appliances

Info

Publication number
GB636768A
GB636768A GB2387847A GB2387847A GB636768A GB 636768 A GB636768 A GB 636768A GB 2387847 A GB2387847 A GB 2387847A GB 2387847 A GB2387847 A GB 2387847A GB 636768 A GB636768 A GB 636768A
Authority
GB
United Kingdom
Prior art keywords
drilling
wings
shank
faces
improvements relating
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
GB2387847A
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.)
Victor Products Wallsend Ltd
Victor Products Ltd
Original Assignee
Victor Products Wallsend Ltd
Victor Products Ltd
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 Victor Products Wallsend Ltd, Victor Products Ltd filed Critical Victor Products Wallsend Ltd
Priority to GB2387847A priority Critical patent/GB636768A/en
Publication of GB636768A publication Critical patent/GB636768A/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

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)
  • Earth Drilling (AREA)

Abstract

636,768. Rock &c. drilling bits. VICTOR PRODUCTS (WALLSEND), Ltd., and MANN, R. W. Aug. 28, 1947, No. 23878. [Class 83 (iii)] A drill bit for drilling rock comprises a base, a shank 12 to engage the drill rod, forwardlyextending wings 14 with parallel cutting faces, parallel flat faces 22 which are disposed between the roots of the wings and diagonal to the cutting faces, for engaging a deep slot 21 in the drill rod, and a longitudinal groove 23 formed in the shank and centrally in one of the flat faces 22 to convey water through a hole in the rod to the working face. Specifications 538,212, 592,087 and 599,451 are referred to.
GB2387847A 1947-08-28 1947-08-28 Improvements relating to drilling appliances Expired GB636768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2387847A GB636768A (en) 1947-08-28 1947-08-28 Improvements relating to drilling appliances

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2387847A GB636768A (en) 1947-08-28 1947-08-28 Improvements relating to drilling appliances

Publications (1)

Publication Number Publication Date
GB636768A true GB636768A (en) 1950-05-03

Family

ID=10202778

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2387847A Expired GB636768A (en) 1947-08-28 1947-08-28 Improvements relating to drilling appliances

Country Status (1)

Country Link
GB (1) GB636768A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947782C (en) * 1954-07-22 1956-08-23 Stihl Andreas Drill rod coupling
US3447616A (en) * 1966-12-29 1969-06-03 Zigmund E Granat Drills
GB2185428A (en) * 1986-01-18 1987-07-22 Krupp Gmbh Method for the production of sintered bodies with internal passages, extrusion tool for carrying out the method and drilling tool
US5492187A (en) * 1993-11-18 1996-02-20 Hilti Aktiengesellschaft Twist drill

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE947782C (en) * 1954-07-22 1956-08-23 Stihl Andreas Drill rod coupling
US3447616A (en) * 1966-12-29 1969-06-03 Zigmund E Granat Drills
GB2185428A (en) * 1986-01-18 1987-07-22 Krupp Gmbh Method for the production of sintered bodies with internal passages, extrusion tool for carrying out the method and drilling tool
GB2185428B (en) * 1986-01-18 1990-07-04 Krupp Gmbh A drilling tool
US5492187A (en) * 1993-11-18 1996-02-20 Hilti Aktiengesellschaft Twist drill

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