Synthetic reinforcing strands with spaced filaments
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United States of America Patent
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-
Feb 2, 1999
Grant Date -
N/A
app pub date -
Aug 19, 1997
filing date -
Aug 19, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention disclosed herein is a synthetic reinforcing strand of filaments in which the strand density is reduced by spacing the filaments apart along their length with heat expandable hollow particles such as plastic microspheres expanded into microballoons and the method of making such strands. Also embodied in the invention are methods utilizing such strands in processes for making composite structures.
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