Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1993-02-16
1994-02-08
Hepperle, Stephen M.
Fluid handling
Processes
Cleaning, repairing, or assembling
137312, 220256, F16K 2300
Patent
active
052841758
ABSTRACT:
A capping apparatus (40) stops fluid from leaking from a tank valve (14a, 14b) on a tank (11) containing, for example, chlorine. The capping apparatus (40) has a cylindrical outer housing (42) containing a cylindrical inner capping enclosure (58) which is selectively movable within the outer housing (42). The outer housing (42) is secured to the tank (11) via a flange (46) adapted to be secured to retaining straps (21a-21d) on the end wall (12) of the tank (11). The inner capping enclosure (58) has an opening (62) with a perimeter (63) capable of surrounding the leaking tank valve (14a, 14b) and engaging the end wall (12) of the tank (11) in a sealing relationship to thereby seal any leaking fluid within the inner capping enclosure (58). A sealing gasket (64) may be disposed at the perimeter (63) for promoting the sealing relationship. An adjustment means (68) having a threaded rod (72) is utilized for moving the inner capping enclosure (58) within the outer housing (42). Further, a rail configuration comprising rails (86a, 86b, 88) is used for providing guided linear movement of the inner capping enclosure (58) within the outer housing (42). Finally, a valve (92) is disposed on the inner capping enclosure (58) for providing selective release of fluid trapped within the inner capping enclosure (58).
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"Chlorine Safe Handling," PPG, Pittsburgh, Pa., 1990.
"Chlorine Institute Emergency Kit `B` for Chlorine Ton Containers," Edition 6, 1981, Instruction Booklet.
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