Air cushion vehicle flexible skirt assemblies
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United States of America Patent
Stats
-
Jul 21, 1981
Grant Date -
N/A
app pub date -
Apr 23, 1979
filing date -
Apr 24, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A device for arresting the growth of a rip in reinforced flexible sheet material, for example elastomeric sheet material reinforced with woven nylon fabric, comprises a flexible sheath member having a flexible core member extending throughout its length and chemically bonded thereto. The sheath member includes tensile load path discontinuities at intervals along the length of the core member and at least in regions of the sheath member remote from the core member. The tensile load path discontinuities prevent tensile loads being transmitted along the length of those regions of the sheath member which are not bonded to the core member, such loads being diffused into the core member because of the bond between the sheath member and the core member. A number of these devices may be attached to an air cushion vehicle flexible skirt assembly manufactured from sheet rubber reinforced with woven nylon fabric so as to arrest the growth of rips which may propagate during operation of the vehicle.
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