B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
190/74, 154/53.1
B65D 6/00 (2006.01) B65D 88/00 (2006.01) B65D 90/08 (2006.01)
Patent
CA 1141687
ABSTRACT OF THE DISCLOSURE There is disclosed a tank closure assembly adapted to releasably couple tank sections formed by transversely splitting a bag-molded, reinforced tank. There is also disclosed a method for forming the tank. The assembly in- cludes external circumferential clamping flanges which are provided by level winding a relatively narrow band of resin-impregnated filaments on the sidewall of the pressure vessel adjacent the midsection of the vessel. The resin in the filaments is cured and the band and vessel are cut in a plane perpendicular to the longitudinal axis of the vessel so that band halves are provided adjacent each open mouth of the tank sections and those band halves constitute the afore- mentioned clamping flanges. A circumferential, outwardly facing shelf is machined in a one-band half and an O-ring groove is machined in that outwardly facing shelf. A circumferential, inwardly facing shelf is machined in the other band half and an O-ring is provided in the O-ring groove. The band halves are telescoped together to form a pressure vessel with the O-ring pressed between the shelves. The band halves are clamped together to form the assembly.
364356
Smart & Biggar
Structural Fibers Inc.
LandOfFree
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