Device for blowing off coating material in the coating of metal bands
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United States of America Patent
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Sep 13, 1994
Grant Date -
N/A
app pub date -
Mar 18, 1993
filing date -
Jul 31, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a device for blowing off excessive coating material, especially fluid zinc or aluminium, in the coating of metal bands. The device comprises a blowing off jet impinged on compressed air, of which the jet bodies 3,4 are fixed at a base body 1. The jet lips 3,4 adjustable against each other form a jet slit 10 extending in transverse direction of the metal band. For optimizing an adaption of the slit thickness respectively the pressure of the blowing off medium along the band width it is provided to build the blowing off jet as a jet row, providing in transverse direction of the band at least two partial jets 2 to impinge seperately on a blowing off medium, especially compressed air, sealed against each other, of which the respective partial slits are adjacent forming a continuous jet slit (10).
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