Lightweight construction element

Details Lightweight construction element Lightweight construction element

1981-12-16

1983-10-11

Thibodeau, Paul J.

Stock material or miscellaneous articles

Sheet including cover or casing

Foamed or expanded material encased

156 79, 428 69, 428 76, 428 86, 428250, 4283044, 4283184, B32B 306, B32B 3300

Patent

active

044092717

ABSTRACT:
A lightweight construction element is provided with a fabric backing from untrimmed velvet fabric, coated to render it airtight and pressure resistant, with the internal space thereof allowing pressurization. With the pressurizing medium filled in, the yarn linking the two outer fabric webs will maintain a predetermined distance between the fabric webs and ensure high stability of the element.

REFERENCES:
patent: 3329750 (1967-07-01), Growald
patent: 3705645 (1972-12-01), Konen

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