Stone working – Sawing – Rotary
Patent
1979-02-26
1980-11-18
Whitehead, Harold D.
Stone working
Sawing
Rotary
83475, 144 34R, B28D 104
Patent
active
042339545
ABSTRACT:
A portable concrete pile cutting device is disclosed which comprises a support collar adapted to be removably mounted in supported annular location about a concrete pile, at least one pile cutting assembly mounted for reciprocation on the collar, and means located on the collar for the support of the pile cutting assembly. The pile cutting assembly is adapted to travel in a straight line to form a cut in the concrete pile which runs generally transverse to the longitudinal axis of the pile. A method is also disclosed which comprises mounting a collar in rigid association with the concrete pile, mounting the cutting assembly on the collar so that the cutting means is adjacent the concrete pile, and thereafter moving the cutting assembly with the cutting means in operation across the pile to form a cut, which is of a depth less than that of the thickness of the concrete pile.
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patent: 3976045 (1976-08-01), Coggins
patent: 4044749 (1977-08-01), Bowen
patent: 4144867 (1979-03-01), Wachs
patent: 4180047 (1979-12-01), Bertelson
Jackson David A.
Von Rohr Equipment Corp.
Whitehead Harold D.
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