Apparatus for demolishing a reactor shield wall
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
Jun 25, 1987
filing date -
Nov 25, 1985
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an apparatus for demolishing a reactor shield wall. The apparatus has a pillar (2) extending from the top side of the reactor toward the bottom of the reactor, an upper support device (3) for supporting the upper portion of the pillar (2) at the top side of the reactor, and cutting devices (5, 6) mounted to the pillar so as to be upwardly and downwardly movable along the pillar (2). The pillar (2) is rotatably supported by the support device (3). The upper support device (3) has drive devices (30, 31, 32) for rotating the pillar (2). The cutting devices (5, 6) are caused to swing in the reactor interior by rotating the pillar (2). The drive devices are disposed at the top side of the reactor, and this permits easy maintenance and inspection.
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