Method and apparatus for cutting reinforced concrete

Details Method and apparatus for cutting reinforced concrete Method and apparatus for cutting reinforced concrete

B - Operations, Transporting

28

D

164/1, 164/23, 1

B28D 1/08 (2006.01) B23D 57/00 (2006.01)

Patent

CA 1334161

The invention relates to a method of cutting an interior surface in reinforced concrete. Holes are drilled to define the shape of the concrete (usually a rectangular block) to be removed, these can be drilled to any suitable depth, which was not possible under prior art methods. Slots are cut between the holes except at one side using an endless wire saw. An interior cut is made using the endless wire saw from the periphery to the uncut side. The wire saw is secured in the cutting operations at the interior end of the holes by swivel pulleys secured at the exterior end of the holes to the concrete surface. The invention also relates to a swivel pulley assembly especially adapted for application in the method. The invention further relates to a method of cutting a substrate by allowing the wire saw to cut between two pulleys interior of the substrate, from a nonlinear path between the pulleys to a line connecting the pulleys.

600267

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