Apparatus for demolishing biological shield wall of a nuclear reactor and a method of demolishing the same
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United States of America Patent
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-
Dec 22, 1992
Grant Date -
N/A
app pub date -
Jun 4, 1991
filing date -
Jun 7, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention presents a novel apparatus and a method of demolishing a biological shield wall of a nuclear reactor using a concrete cutter device working on a wire saw, said apparatus comprising a concrete cutter device consisting of a driving part for a wire saw and a concrete cutting part attached on the engaging receiver of the driving part, a core boring machine to be attached interchangeably on the receiver in the place of the cutting part and a carrier truck to carry the wire saw driving part of said cutter device, further the concrete cutting part having a pair of vertical rods supported on a table movable vertically and adjustable in a distance of the rods and, at the bottom end of the rods, supporting pulleys and guide rollers for disposing the wire saw are provided.
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