Laminate system for a durable controlled modulus flexible membrane

a flexible membrane and controlled modulus technology, applied in the field of laminate systems for durable controlled modulus flexible membranes, can solve the problems of limited properties, little structural integrity, and low durability of bonded scrim types, and achieve the effects of low stretch, high strength, and high strength
US20060068158A1Inactive Publication Date: 2006-03-30WARWICK MILLS INC
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Patent Information

Authority / Receiving Office
US ยท United States
Patent Type
Applications(United States)
Current Assignee / Owner
WARWICK MILLS INC
Publication Date
2006-03-30
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

A fabric system for producing at least a woven fabric of controlled modulus or elongation in the MD or warp axis, has a core layer which is the main structural element, and may have one or more woven cover fabrics adhesively bonded with an off axis configuration to one or both sides of the core layer. In a preferred embodiment the core fabric is covered with at least one off axis fabric on both sides. The cover fabrics may also have resin or film top layers laminated or coated on their outside surfaces, for mechanical performance or UV protection or both.
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Description

[0001] This application is a continuation of pending U.S. application Ser. No. 10 / 293,828 filed Nov. 13, 2002 which claims the benefit of U.S. Provisional Application No. 60 / 337,732 filed Nov. 13, 2001.FIELD OF INVENTION

[0002] This invention relates to the construction of multi-layered, controlled modulus, special purpose fabrics, and in particular to woven fabrics of controlled modulus or elongation in the machine direction (MD) or warp axis, with covering layers bonded thereto in off axis configurations. BACKGROUND OF THE INVENTION

[0003] The applications for flexible membranes in general include products such as sails, airfoil and wing systems, aircraft control surfaces, inflatable structures, airships, temporary shelters, liquid storage tanks, fuel tanks, flotation devices, seals and gaskets for aircraft surfaces, and door seals. Current materials in flexible membranes are based on the following techniques:

[0004] Core structural fiberous components are made of bonded scrim fib...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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