B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
32/25
B22F 3/26 (2006.01) C11D 3/39 (2006.01) C11D 11/02 (2006.01)
Patent
CA 1235892
11. ABSTRACT Apparatus for the Impregnation of Porous Articles 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.
473429
Mccarthy Tetrault Llp
Surface Technology Plc
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