Sealing together of flexible sheets

Details Sealing together of flexible sheets Sealing together of flexible sheets

1976-06-16

1977-06-14

Purser, Ernest R.

Static structures (e.g., buildings)

Shaped or strengthened by fluid pressure

Fluid pressure is subatmospheric

52741, E04B 134

Patent

active

040288536

ABSTRACT:
A flexible seal is formed between the peripheral portions of two flexible sheets by providing an inflatable tube, the peripheral portions being rolled up with the tube, secured in the rolled position and the tube inflated to form a tight seal. Preferably each sheet is provided with a flap integral with or secured to the sheet, these flaps facilitating tight securing of the roll.

REFERENCES:
patent: 3816885 (1974-06-01), Saether
patent: 3929178 (1975-12-01), Hickey

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