Method of making layered fabrics
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United States of America Patent
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Mar 25, 1980
Issued Date -
N/A
app pub date -
Nov 4, 1977
filing date -
Mar 3, 1975
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Fabrics having strength despite low bulk density and comprising at least one reinforcing layer of textile-length fibers, at least one layer of short bulk fibers and a bonding agent distributed throughout said fabric layers. Also a process for producing a fabric having a layer of such bulk fibers disposed between two of such reinforcing layers and a process for producing a fabric having a surface layer of such bulk fibers wherein a multi-layered structure containing an interior layer of such short bulk fibers is split along a continuum of lowered bonding agent concentrations at locations predetermined by controlled heating of the structure.
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