Inflatable container packing system

Details Inflatable container packing system Inflatable container packing system

1982-03-29

1984-07-17

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Rafts

Inflatable

52 2, 182 48, 193 25B, 244137P, 244DIG2, 441 42, B63C 902, B63C 904

Patent

active

044603436

ABSTRACT:
The container (12) has an inflation opening (46) which is closed by a valve (56) with seals (66) compressed by spring (90) pressure during the packing process. Air is removed from the container (12) for deflation by a vacuum pump (20) and excessive vacuum necessary for deflating the container (12) in a reasonable time but which is too high for the packing process and may damage the valve (56) or seals (66) is limited by a vacuum control unit (20) adjusted to maintain the vacuum below a predetermined vacuum and then admit atmospheric air over that level. The vacuum control unit (20) may have a screw adjustment (34) engageable with a spring (36) for increasing or decreasing pressure on an inlet valve member (32).

REFERENCES:
patent: 2612237 (1952-09-01), Tear
patent: 3166799 (1965-01-01), Birnkrant
patent: 3297049 (1967-01-01), Moskovitz
patent: 3863671 (1975-02-01), Heimann
patent: 4368009 (1983-01-01), Heimovics, Jr.

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