Apparatus for the impregnation of porous articles
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United States of America Patent
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-
Nov 4, 1986
Grant Date -
N/A
app pub date -
Jan 31, 1985
filing date -
Feb 2, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pressure vessel for use in impregnating porous articles comprising a support member for the articles, slidable between an upper position for degassing the articles and a lower position for impregnating the articles, a release mechanism operable from outside the pressure vessel to permit the support member to descend from the upper position to the lower position under gravity, and damping means at least partially within the pressure vessel for controlling descent of the support member.
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