Blower nozzle
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United States of America Patent
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-
Aug 29, 2000
Grant Date -
N/A
app pub date -
Nov 19, 1998
filing date -
Jun 12, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A blower nozzle, especially for heating or cooling web-like materials, especially plastic foil webs, comprises at least one distribution chamber (11) and often a supply chamber (7). In the improvement, between the supply chamber (7) and the distribution chamber (11) there is at least one other chamber (9), so that the treatment gas can flow from the supply chamber (7) to the at least one further chamber (9) via an overflow aperture arrangement (17) and from the further chamber (9) via another overflow aperture arrangement (23) into the distribution chamber (11) for further conveyance to the outlet aperture arrangement (27).
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