GB190608683A - Improvements in Steel for the Manufacture of Drills or Bits for Drilling Holes in Rock and the like. - Google Patents

Improvements in Steel for the Manufacture of Drills or Bits for Drilling Holes in Rock and the like.

Info

Publication number
GB190608683A
GB190608683A GB190608683DA GB190608683A GB 190608683 A GB190608683 A GB 190608683A GB 190608683D A GB190608683D A GB 190608683DA GB 190608683 A GB190608683 A GB 190608683A
Authority
GB
United Kingdom
Prior art keywords
steel
drills
rock
bits
manufacture
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
Inventor
Walter Edward Kimber
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
Application granted granted Critical
Publication of GB190608683A publication Critical patent/GB190608683A/en
Expired legal-status Critical Current

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Landscapes

  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)

Abstract

8683. Kimber, W. E. April 10. Rock drills.-A bar of steel for drills or bits for rock &c. chiefly of the chisel-bit type is composed of a central strip a of hard steel with a cutting-edge d, which is located between two pieces b, c of softer steel bevelled off at e. [Reference has been directed under Patents Act, 1902, to Specifications No. 354, A.D. 1876, [Abridgment Class Hand tools &c.], and No. 369, A.D. 1876.]
GB190608683D 1906-04-10 1906-04-10 Improvements in Steel for the Manufacture of Drills or Bits for Drilling Holes in Rock and the like. Expired GB190608683A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190608683T 1906-04-10

Publications (1)

Publication Number Publication Date
GB190608683A true GB190608683A (en) 1907-02-21

Family

ID=32433568

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190608683D Expired GB190608683A (en) 1906-04-10 1906-04-10 Improvements in Steel for the Manufacture of Drills or Bits for Drilling Holes in Rock and the like.

Country Status (1)

Country Link
GB (1) GB190608683A (en)

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