GB975533A - Improvements in percussion drills - Google Patents

Improvements in percussion drills

Info

Publication number
GB975533A
GB975533A GB11379/62A GB1137962A GB975533A GB 975533 A GB975533 A GB 975533A GB 11379/62 A GB11379/62 A GB 11379/62A GB 1137962 A GB1137962 A GB 1137962A GB 975533 A GB975533 A GB 975533A
Authority
GB
United Kingdom
Prior art keywords
conical portion
shank
length
percussion drills
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
GB11379/62A
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.)
Uddeholms AB
Original Assignee
Uddeholms AB
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 Uddeholms AB filed Critical Uddeholms AB
Publication of GB975533A publication Critical patent/GB975533A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like

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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

975,533. Percussive drills. UDDEHOLMS A.B. March 26, 1962 [May 15, 1961; Dec. 22, 1961], No. 11379/62. Heading B4C. A tool bit comprises a non-circular shank 3 having a conical portion 5 merging into a collar 2 at a radiused surface 8. The length of the conical portion is prerefably not more than one half of the length of the shank. The shank fits into a chuck sleeve 4 having a correspondingly shaped conical portion 6.
GB11379/62A 1961-05-15 1962-03-26 Improvements in percussion drills Expired GB975533A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE510261 1961-05-15
SE1286561 1961-12-22

Publications (1)

Publication Number Publication Date
GB975533A true GB975533A (en) 1964-11-18

Family

ID=26654598

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11379/62A Expired GB975533A (en) 1961-05-15 1962-03-26 Improvements in percussion drills

Country Status (3)

Country Link
BE (1) BE616710A (en)
CH (1) CH408840A (en)
GB (1) GB975533A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0889196A2 (en) * 1997-06-09 1999-01-07 Clark Equipment Company Adapters for auger drive shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0889196A2 (en) * 1997-06-09 1999-01-07 Clark Equipment Company Adapters for auger drive shaft
EP0889196A3 (en) * 1997-06-09 2000-09-20 Clark Equipment Company Adapters for auger drive shaft

Also Published As

Publication number Publication date
CH408840A (en) 1966-03-15
BE616710A (en) 1962-08-16

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