Device for coating a web-like sheet formation
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United States of America Patent
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-
Jul 30, 2002
Grant Date -
N/A
app pub date -
Feb 25, 1998
filing date -
Feb 26, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
With a method and a device for coating a continuously delivered, web-like sheet formation (2) a first layer (3) of a paste-like plastic is deposited in sections. A second layer (4) of powder-like thermoplastic plastic is subsequently flatly scattered on. The coated sheet formation (2) is subsequently subjected to thermal treatment. Before the thermal treatment, the powder (7) deposited between the sections of the first layer (3) is swirled up by an air jet (L) directed obliquely against the surface (6) of the sheet formation (2) and is simultaneously sucked off by a suction means (10).
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