Special receptacle or package – Evacuated
Patent
1985-09-27
1988-10-25
Moy, Joseph Man-Fu
Special receptacle or package
Evacuated
206806, 206822, 383 7, 383 26, 383103, 383121, B65D 3310
Patent
active
047797363
ABSTRACT:
This invention pertains to a container made of a rigid tubular conformation. Each end of the tube is flattened at a substantial central portion to produce and provide a protruding end portion, and in this flattened and sloped end or portion at least one access aperture is formed. This aperture is selectively closed by a plug, valve or cap adapted to be secured in a fluid-tight manner in this container. Usually this container is made from thermoplastic pipe or tubing from three inches to more than two feet in diameter. The ends are sealed to prevent contamination or ingress of water and the like. The ends are sealed to keep contents from getting out. Hand holds may be formed where the ends are sealed. This tubular container is made with a small amount of tooling and minimum skills by the fabricator. These containers can and may be made economically with very short-run processes, and size extent and length may be changed easily. Disposable and renewable bladders, bags and/or liners can be used with these containers. The bladders can be taken out for removal, repair or replacement. The bladder can be extended out of the fitting and can be gathered together and sealed to provide a sanitary and tamper-proof covering. The container may be pressurized if desired.
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Dualpax six-page informational piece (date unknown).
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