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GB333489A - Improvements in or relating to a cutting tool for rock drills of the percussion type - Google Patents

Improvements in or relating to a cutting tool for rock drills of the percussion type

Info

Publication number
GB333489A
GB333489A GB38951/29A GB3895129A GB333489A GB 333489 A GB333489 A GB 333489A GB 38951/29 A GB38951/29 A GB 38951/29A GB 3895129 A GB3895129 A GB 3895129A GB 333489 A GB333489 A GB 333489A
Authority
GB
United Kingdom
Prior art keywords
relating
cutting tool
rock drills
percussion type
bit
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
GB38951/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB38951/29A priority Critical patent/GB333489A/en
Publication of GB333489A publication Critical patent/GB333489A/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
    • E21B17/042—Threaded

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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

333,489. Walser, H. Dec. 19, 1929. Percussive tools.- The end of the shank 1 on which the detachable bit 3 is screwed is formed with a conical end upon which the socket in the bit bears. Fig. 6 shows a form of bit with flats 6<a> for facilitating the escape of cuttings.
GB38951/29A 1929-12-19 1929-12-19 Improvements in or relating to a cutting tool for rock drills of the percussion type Expired GB333489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB38951/29A GB333489A (en) 1929-12-19 1929-12-19 Improvements in or relating to a cutting tool for rock drills of the percussion type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38951/29A GB333489A (en) 1929-12-19 1929-12-19 Improvements in or relating to a cutting tool for rock drills of the percussion type

Publications (1)

Publication Number Publication Date
GB333489A true GB333489A (en) 1930-08-14

Family

ID=10406694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB38951/29A Expired GB333489A (en) 1929-12-19 1929-12-19 Improvements in or relating to a cutting tool for rock drills of the percussion type

Country Status (1)

Country Link
GB (1) GB333489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641446A (en) * 1948-02-28 1953-06-09 Sandvikens Jernverks Aktiehola Bore crown for percussion drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2641446A (en) * 1948-02-28 1953-06-09 Sandvikens Jernverks Aktiehola Bore crown for percussion drilling

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