GB442912A - Improvements in plugs for breaking up concrete, or the like - Google Patents

Improvements in plugs for breaking up concrete, or the like

Info

Publication number
GB442912A
GB442912A GB3143534A GB3143534A GB442912A GB 442912 A GB442912 A GB 442912A GB 3143534 A GB3143534 A GB 3143534A GB 3143534 A GB3143534 A GB 3143534A GB 442912 A GB442912 A GB 442912A
Authority
GB
United Kingdom
Prior art keywords
breaking
concrete
taper
tool
avenue
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
GB3143534A
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 HITCHEN
REGINALD HAWKER
Original Assignee
JOHN HITCHEN
REGINALD HAWKER
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 HITCHEN, REGINALD HAWKER filed Critical JOHN HITCHEN
Priority to GB3143534A priority Critical patent/GB442912A/en
Publication of GB442912A publication Critical patent/GB442912A/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)
  • Percussive Tools And Related Accessories (AREA)

Abstract

442,912. Chisels; percussive drills. HITCHEN, J., 18, Larch Avenue, Pemberton, Wigan, HAWKER, R., 14, Highfield Avenue, Cheadle Hulme, Cheshire, and FAIRCLOUGH, L. M., Edgewood, Blackrod, Lancashire. Nov. 2, 1934, No. 31435. [Class 61 (ii) and 124] A tool of rectangular cross-section for breaking up concrete has a quick taper at the point a, a slower taper at the intermediate part a<1> and a quick taper at the part a<2> below the shoulder above which extends the shank a<3> for fixing the tool in a pneumatic or other operating device.
GB3143534A 1934-11-02 1934-11-02 Improvements in plugs for breaking up concrete, or the like Expired GB442912A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3143534A GB442912A (en) 1934-11-02 1934-11-02 Improvements in plugs for breaking up concrete, or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3143534A GB442912A (en) 1934-11-02 1934-11-02 Improvements in plugs for breaking up concrete, or the like

Publications (1)

Publication Number Publication Date
GB442912A true GB442912A (en) 1936-02-18

Family

ID=10323054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3143534A Expired GB442912A (en) 1934-11-02 1934-11-02 Improvements in plugs for breaking up concrete, or the like

Country Status (1)

Country Link
GB (1) GB442912A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557195A (en) * 1949-11-07 1951-06-19 Neamand Vincent Tool for breaking concrete and the like
US2629588A (en) * 1948-03-25 1953-02-24 Neamand Vincent Tool for breaking concrete and the like
US3258295A (en) * 1962-03-30 1966-06-28 Ives Cyril Gordon Paving breaker steel
EP1285735A1 (en) * 1997-08-01 2003-02-26 Artex Rawlplug Limited Hole-forming tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2629588A (en) * 1948-03-25 1953-02-24 Neamand Vincent Tool for breaking concrete and the like
US2557195A (en) * 1949-11-07 1951-06-19 Neamand Vincent Tool for breaking concrete and the like
US3258295A (en) * 1962-03-30 1966-06-28 Ives Cyril Gordon Paving breaker steel
EP1285735A1 (en) * 1997-08-01 2003-02-26 Artex Rawlplug Limited Hole-forming tool

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