Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Patent
1990-04-09
1992-06-09
Bell, James J.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
428222, 428250, 428297, 428369, 428902, B32B 506
Patent
active
051205998
ABSTRACT:
A lightweight, compliant, high strength fabric providing controlled stretch, and a process for its manufacture. The fabric is consolidated into a unitary structure from a single stacked-film matrix of one or more thin elastomeric films, each having at least one reinforcing fiber embedded in the film in a sandwich construction. The reinforcing fibers are buckled along their length when the film is in a relaxed state, and if more than one fiber, arranged in a generally parallel relationship with each other within each elastomeric film. The stacked elastomeric films are cross-plied such that the courses of fibers in the separate films are aligned in selected multiple directions, with each course of fibers lying in its own plane. Stretching of the fabric in any of the selected multiple directions is uninhibited by the buckled fibers but is limited when the fibers reach a straightened condition. As the fabric stretches, the fibers straighten, eventually limiting the stretch of the fabric as the fibers become taut. When the stretch of the fabric is released, the fabric returns to its former relaxed state, with the fibers returning to their buckled state.
REFERENCES:
patent: 2984594 (1961-05-01), Runton
patent: 3519530 (1970-07-01), Struble
patent: 4107364 (1978-08-01), Sisson
patent: 4146667 (1979-03-01), Stannard
patent: 4209563 (1980-06-01), Sisson
patent: 4346139 (1982-08-01), Osawa et al.
patent: 4820143 (1989-04-01), Eroskey et al.
Bell James J.
Heal Noel F.
Taylor Ronald L.
TRW Inc.
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