Self-shaping woven inflatable belt and method of production

Details Self-shaping woven inflatable belt and method of production Self-shaping woven inflatable belt and method of production

1974-05-06

1976-04-27

Van Balen, William J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Longitudinal or transverse tubular cavity or cell

139387R, 180 82C, 428257, 428258, 428259, B32B 320, D03D 302

Patent

active

039536408

ABSTRACT:
An inflatable hollow belt which is longitudinally self shapeable, includes a woven body having warps on one side of lesser length and greater overall strength than the warps on the other side, and an interwoven weft so that the deflated belt can be compactly collapsed and the inflated belt curves along its length. The belt is produced by weaving the hollow belt with the warps along one side having a relatively high heat shrinkage, and then applying heat to the belt to shrink such warps. The wefts and the longer warps are of sufficient strength to withstand the inflation pressure.

REFERENCES:
patent: 3294605 (1966-12-01), Fisher
patent: 3669157 (1972-06-01), Woodall et al.
patent: 3829353 (1974-08-01), Fisher

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