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United States of America Patent
Stats
-
Jun 18, 2002
Grant Date -
N/A
app pub date -
Jun 19, 1997
filing date -
Jun 21, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Soft roll that may include a roll tube having an outside surface and a sealed interior space, and an elastic coating provided on the outside surface. The sealed interior space may include a vaporizable liquid and a heat exchanger for cooling heat generated in the roll during use. The sealed interior space may be gas-tight and the temperature of the heat exchanger may be set to condense vaporized liquid.
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