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GB877081A - Improvements relating to centre-punches - Google Patents

Improvements relating to centre-punches

Info

Publication number
GB877081A
GB877081A GB164557A GB164557A GB877081A GB 877081 A GB877081 A GB 877081A GB 164557 A GB164557 A GB 164557A GB 164557 A GB164557 A GB 164557A GB 877081 A GB877081 A GB 877081A
Authority
GB
United Kingdom
Prior art keywords
punch
centre
punches
jan
improvements relating
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
GB164557A
Inventor
James Frederick Fluester
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.)
Hollands & Blair Ltd
Original Assignee
Hollands & Blair 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 Hollands & Blair Ltd filed Critical Hollands & Blair Ltd
Priority to GB164557A priority Critical patent/GB877081A/en
Publication of GB877081A publication Critical patent/GB877081A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D5/00—Centre punches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Finger-Pressure Massage (AREA)

Abstract

877,081. Centre punches. HOLLANDS & BLAIR Ltd. Jan. 16, 1958 [Jan. 16, 1957], No. 1645/57. Class 61. A centre punch for locating and centering screw holes in wood surfaces to which a bracket, hinge or the like is to be fixed comprises a hollow cylindrical body part 1 having a conical head 3 and a punch slidable in the hollow body, the punch being urged by a spring 9 into a position in which the rear end 7 projects from the end of the body remote from the head 3. The punch comprises the rear part 7 of slightly reduced diameter, a median part 6 which is a sliding fit in the body and a front pin part 8 having a thickened root 10.
GB164557A 1957-01-16 1957-01-16 Improvements relating to centre-punches Expired GB877081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB164557A GB877081A (en) 1957-01-16 1957-01-16 Improvements relating to centre-punches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB164557A GB877081A (en) 1957-01-16 1957-01-16 Improvements relating to centre-punches

Publications (1)

Publication Number Publication Date
GB877081A true GB877081A (en) 1961-09-13

Family

ID=9725544

Family Applications (1)

Application Number Title Priority Date Filing Date
GB164557A Expired GB877081A (en) 1957-01-16 1957-01-16 Improvements relating to centre-punches

Country Status (1)

Country Link
GB (1) GB877081A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192640A (en) * 1963-05-03 1965-07-06 Joseph I Fournier Universal precision transfer center punch
US11052455B2 (en) * 2016-02-24 2021-07-06 Nhk Spring Co., Ltd. Caulking jig and manufacturing method using same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3192640A (en) * 1963-05-03 1965-07-06 Joseph I Fournier Universal precision transfer center punch
US11052455B2 (en) * 2016-02-24 2021-07-06 Nhk Spring Co., Ltd. Caulking jig and manufacturing method using same

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