Double wall fabric panel unit

Static structures (e.g. – buildings) – Shaped or strengthened by fluid pressure – Fluid pressure is subatmospheric

Patent

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Details

428178, E04B 134

Patent

active

041563301

ABSTRACT:
A double wall fabric panel unit for use as a wall section in the construction of inflatable buildings comprising an elongated exterior fabric envelope panel having a plastic coating on each side, and an elongated thermal liner panel having side edge strips heat-sealed to the exterior panel. The thermal liner has a foil layer facing the exterior panel and a white plastic layer on the opposite side. The side edge strips are periodically interrupted to provide air passageways to vent air from between the panels when the unit is rolled.

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patent: 2853720 (1958-09-01), Friedlander
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patent: 3548904 (1970-12-01), Mackell
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patent: 3836417 (1974-09-01), Yaeger
patent: 3911913 (1975-10-01), June
patent: 3936984 (1976-02-01), Yando
patent: 3970096 (1976-07-01), Nicolai
patent: 4024679 (1977-05-01), Rain

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