Apparatus for cutting concrete columns

Details Apparatus for cutting concrete columns Apparatus for cutting concrete columns

1978-05-12

1980-04-15

Whitehead, Harold D.

Stone working

Splitting, shearing, and punching

83694, B28D 132

Patent

active

041978285

ABSTRACT:
Apparatus for cutting a concrete column by engaging the column between superimposed anvil and shear elements. The elements define a shear plane therebetween and the anvil element is conformed to embrace the column over an area of sufficient breadth to confine the portion of the column to the anvil side of the shear line against substantial fracturing. The elements are secured together for movement into and out of engagement with the column and an hydraulic cylinder is coupled between the elements to force the shear element against the column with sufficient pressure to fracture and crush the column.

REFERENCES:
patent: 82886 (1868-10-01), Tucker
patent: 1366693 (1921-01-01), Kemble
patent: 3056267 (1962-10-01), McRee
patent: 3496813 (1970-02-01), Valente
patent: 3727599 (1973-04-01), Sugiki
patent: 3978842 (1976-09-01), Coffman
patent: 4044749 (1977-08-01), Bowen
patent: 4124015 (1978-11-01), Isaksson

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