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Cutting of cementious materials

P.Crouse, L.Li and J.T.Spencer

BNFL plc, World Intellectual Properties Organisation (WIPO). WO 2004/028735. 2004 Apr 08..

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Abstract

A method and apparatus for the cutting of thick sections of cement-based materials are described, the method comprising the steps of mutually traversing a surface to be cut with a laser beam at a power density such as to produce a depth of molten material of a maximum of 10 mm at each traverse; allowing said molten material to solidify; breaking said solidified material into particles; and, removing said particles by suction means.