Controlled profile drying hood
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United States of America Patent
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Jul 2, 1996
Grant Date -
N/A
app pub date -
Oct 18, 1994
filing date -
Oct 18, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus is disclosed to control Yankee hood profile along the cylinder surface so as to provide a structurally stable hood having controlled impingement distances at operating temperatures. Radial support of the hot hood internals are located at or near the extremities of the hood wrap and the internal profile along the cylinder wrap is on an adjusted cold shape so that the profile is even when operating temperatures are reached. Thus, the hood is 'deformed' (not pre-strained) when cold but, when the operating temperature is reached, it assumes the desired configuration.
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