Laminated tube
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United States of America Patent
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-
Jun 28, 1994
Grant Date -
N/A
app pub date -
Apr 17, 1992
filing date -
Apr 18, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Provided is a laminated tube having a logarithmic decrement of at least 0.08 and a flexural modulus of at least 1,000 kg/mm.sup.2 and comprising at least 2 layers which comprise a composite material comprising a reinforcing fiber and a matrix resin. The reinforcing fibers used include an organic fiber, e.g. wholly aromatic polyester fibers and polyvinyl alcohol fiber, for at least 1 layer of the composite material layer and an inorganic fiber, e.g. carbon fiber and glass fiber, for at least 1 layer of the composite material layer.
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