Water impervious materials
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United States of America Patent
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-
Jun 17, 1986
Issued Date -
N/A
app pub date -
Jan 7, 1985
filing date -
Mar 9, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A water impervious laminated material is described. A preferred embodiment comprises a three-layer plastic film sandwiched between and fuse bonded to two layers of conjugate fibers having a low melting sheath and a high melting core. The inner layer of the plastic film is relatively high melting while the two outer plies of the film are low melting. The sheaths of the conjugate fibers have been fuse bonded to the plastic film at a temperature below the melt temperature of the cores of the conjugate fibers so that the cores retain their initial fiber-like integrity.
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