GB190909940A - An Imrpoved Appliance or Tool for Boring, Counter Boring or Recessing Holes Parallel or Conical in Metals, Iron, Steel, Brass and the like. - Google Patents

An Imrpoved Appliance or Tool for Boring, Counter Boring or Recessing Holes Parallel or Conical in Metals, Iron, Steel, Brass and the like.

Info

Publication number
GB190909940A
GB190909940A GB190909940DA GB190909940A GB 190909940 A GB190909940 A GB 190909940A GB 190909940D A GB190909940D A GB 190909940DA GB 190909940 A GB190909940 A GB 190909940A
Authority
GB
United Kingdom
Prior art keywords
boring
tool
conical
imrpoved
brass
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 Halton Pomfret
Samuel Holt
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 GB190909940A publication Critical patent/GB190909940A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/04—Drills for trepanning
    • B23B51/0426—Drills for trepanning with centering devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

9940. Pomfret, W. H., and Holt, S. April 27. Drills, cutters, and cutter bars.-A tool for boring, counter-boring, or recessing parallel or conical holes in metal &c. has a detachable secondary cutter B mounted on the drill C and secured thereto and to a socket A by a screw pin F and wedge key D.
GB190909940D 1909-04-27 1909-04-27 An Imrpoved Appliance or Tool for Boring, Counter Boring or Recessing Holes Parallel or Conical in Metals, Iron, Steel, Brass and the like. Expired GB190909940A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190909940T 1909-04-27

Publications (1)

Publication Number Publication Date
GB190909940A true GB190909940A (en) 1910-03-03

Family

ID=32444183

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190909940D Expired GB190909940A (en) 1909-04-27 1909-04-27 An Imrpoved Appliance or Tool for Boring, Counter Boring or Recessing Holes Parallel or Conical in Metals, Iron, Steel, Brass and the like.

Country Status (1)

Country Link
GB (1) GB190909940A (en)

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