Inflatable shelter lift bag

Details Inflatable shelter lift bag Inflatable shelter lift bag

1985-12-19

1987-04-07

Friedman, Carl D.

Static structures (e.g., buildings)

Shaped or strengthened by fluid pressure

Fluid pressure is subatmospheric

254 93HP, E04B 134

Patent

active

046550089

ABSTRACT:
A lift tube for use in erecting a shelter that has an air inflatable section or sections which are raised into position with the aid of an inflatable lift tube composed of a plurality of compartments that are interconnected in seriatim order. Bulk-heads in the lift tube separate such compartments and have one way valves to be done in seriatim order to control the inflation action.

REFERENCES:
patent: 4061310 (1977-12-01), Vetter
patent: 4560145 (1985-12-01), Widmer

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