GB709740A - Tipped chisels, drills and like tools - Google Patents

Tipped chisels, drills and like tools

Info

Publication number
GB709740A
GB709740A GB1377351A GB1377351A GB709740A GB 709740 A GB709740 A GB 709740A GB 1377351 A GB1377351 A GB 1377351A GB 1377351 A GB1377351 A GB 1377351A GB 709740 A GB709740 A GB 709740A
Authority
GB
United Kingdom
Prior art keywords
slot
hole
drills
chisels
tipped
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
GB1377351A
Inventor
John Mervyn Perkins
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.)
John M Perkins & Smith Ltd
Original Assignee
John M Perkins & Smith Ltd
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 John M Perkins & Smith Ltd filed Critical John M Perkins & Smith Ltd
Priority to GB1377351A priority Critical patent/GB709740A/en
Publication of GB709740A publication Critical patent/GB709740A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D3/00—Hand chisels

Landscapes

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

Abstract

709,740. Drills. PERKINS & SMITH, Ltd., J. M. June 5, 1952 [June 11, 1951], No. 13773/51. Class 83 (3). [Also in Group XXIII] In a steel drill, chisel or like tool having the cutting edge formed by a thin flat insert c of hard metal secured in a slot b by brazing, a transverse hole d is formed at the inner end of the slot. One or more additional holes intersecting the slot may be provided. The inner end of the insert is either supported as shown by the side of the hole remote from the slot or terminates at the intersection of the hole and slot. In the latter case the hole may be closed by a metal plug.
GB1377351A 1951-06-11 1951-06-11 Tipped chisels, drills and like tools Expired GB709740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1377351A GB709740A (en) 1951-06-11 1951-06-11 Tipped chisels, drills and like tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1377351A GB709740A (en) 1951-06-11 1951-06-11 Tipped chisels, drills and like tools

Publications (1)

Publication Number Publication Date
GB709740A true GB709740A (en) 1954-06-02

Family

ID=10029092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1377351A Expired GB709740A (en) 1951-06-11 1951-06-11 Tipped chisels, drills and like tools

Country Status (1)

Country Link
GB (1) GB709740A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101908B (en) * 1956-10-30 1961-03-09 Karl Hertel Elongated cutting plate that can be inserted in the toolholder for machining
EP0148546A1 (en) * 1984-01-11 1985-07-17 The Stanley Works Limited A chisel
US5351588A (en) * 1992-12-31 1994-10-04 Penoza Frank J Hand shear
CN112621131A (en) * 2020-12-17 2021-04-09 乐清大勇新工具有限公司 Impact tool and machining process thereof
CN112658340A (en) * 2020-12-17 2021-04-16 乐清大勇新工具有限公司 Drill bit and machining process thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1101908B (en) * 1956-10-30 1961-03-09 Karl Hertel Elongated cutting plate that can be inserted in the toolholder for machining
EP0148546A1 (en) * 1984-01-11 1985-07-17 The Stanley Works Limited A chisel
US5351588A (en) * 1992-12-31 1994-10-04 Penoza Frank J Hand shear
CN112621131A (en) * 2020-12-17 2021-04-09 乐清大勇新工具有限公司 Impact tool and machining process thereof
CN112658340A (en) * 2020-12-17 2021-04-16 乐清大勇新工具有限公司 Drill bit and machining process thereof
CN112621131B (en) * 2020-12-17 2022-05-03 乐清大勇新工具有限公司 Impact tool and machining process thereof

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