GB675141A - Improvements in machines for grinding drills - Google Patents

Improvements in machines for grinding drills

Info

Publication number
GB675141A
GB675141A GB10961/50A GB1096150A GB675141A GB 675141 A GB675141 A GB 675141A GB 10961/50 A GB10961/50 A GB 10961/50A GB 1096150 A GB1096150 A GB 1096150A GB 675141 A GB675141 A GB 675141A
Authority
GB
United Kingdom
Prior art keywords
machines
drills
grinding drills
grinding
drill
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
GB10961/50A
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
Publication of GB675141A publication Critical patent/GB675141A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)

Abstract

675,141. Drills. CAWI, J. May 3, 1950 [May 4, 1949], No. 10961/50. Class 83 (iii). [Also in Group XXIII] The end faces of a twist drill are formed on cones whose dimensions are as shown in the Figures, d being the diameter of the drill.
GB10961/50A 1949-05-04 1950-05-03 Improvements in machines for grinding drills Expired GB675141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE675141X 1949-05-04

Publications (1)

Publication Number Publication Date
GB675141A true GB675141A (en) 1952-07-02

Family

ID=6592038

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10961/50A Expired GB675141A (en) 1949-05-04 1950-05-03 Improvements in machines for grinding drills

Country Status (1)

Country Link
GB (1) GB675141A (en)

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