GB592087A - Improvements in or relating to drill bits - Google Patents

Improvements in or relating to drill bits

Info

Publication number
GB592087A
GB592087A GB1944044A GB1944044A GB592087A GB 592087 A GB592087 A GB 592087A GB 1944044 A GB1944044 A GB 1944044A GB 1944044 A GB1944044 A GB 1944044A GB 592087 A GB592087 A GB 592087A
Authority
GB
United Kingdom
Prior art keywords
relating
drill bits
gullick
seaman
drills
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
GB1944044A
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.)
Gullick Ltd
Original Assignee
Gullick Ltd
Filing date
Publication date
Application filed by Gullick Ltd filed Critical Gullick Ltd
Publication of GB592087A publication Critical patent/GB592087A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits

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

592,087. Drills. GULLICK, Ltd., and SEAMAN, T. Oct. 10, 1944, No. 19440. [Class 83 (iii)] In a drill particularly for use in drilling rock, coal, &c., two primary cutters 14, Fig. 1, with tips 22 of tungsten carbide are spaced radially apart on a body 13 and set-back between them is a secondary cutter 17 to remove the core. Specification 592,086 is referred to.
GB1944044A 1944-10-10 Improvements in or relating to drill bits Expired GB592087A (en)

Publications (1)

Publication Number Publication Date
GB592087A true GB592087A (en) 1947-09-08

Family

ID=1734741

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1944044A Expired GB592087A (en) 1944-10-10 Improvements in or relating to drill bits

Country Status (1)

Country Link
GB (1) GB592087A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648525A (en) * 1948-06-09 1953-08-11 Phipps Orville Core-breaking drill bit for doubleflute augers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2648525A (en) * 1948-06-09 1953-08-11 Phipps Orville Core-breaking drill bit for doubleflute augers

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