Tubular felt for grinding use
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United States of America Patent
Stats
-
Apr 7, 1992
Grant Date -
N/A
app pub date -
Jul 27, 1990
filing date -
Aug 15, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tubular felt useful in the grinding of the panel face of a cathode ray tube is made up of a fabric woven with a non heat-shrinkable warp and a heat-shrinkable weft; a heat-shrinkable batt bonded to the surface of said fabric by needling; and a non heat-meltable, hygroscopic fiber mixed with at least one of the heat-shrinkable weft and heat-shrinkable batt.
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