Coating apparatus – With treatment of coating material – Of recirculated coating material
Patent
1998-06-22
2000-06-06
Cano, Milton
Coating apparatus
With treatment of coating material
Of recirculated coating material
118603, 118610, 118 61, 118251, 118261, 427294, B05C 108, B05C 2100
Patent
active
060713453
ABSTRACT:
An apparatus for coating a strip of liquid material such as a polymer adhesive onto the surface of a traveling web at adjustable cross-directional locations which includes a transfer roll secured to a drive shaft coupled hub by an asymmetric rim plate. A carrier sleeve is secured to the hub by anti-friction bearings for independent rotation about the axis of the drive shaft. A fountain housing is secured to the carrier sleeve. The fountain housing supports a fountain nozzle for pressurized discharge of a fluid onto the perimeter surface of the transfer roll within an evacuated cavity. The cavity perimeter around the fountain nozzle has a close, sealing proximity with the transfer roll surface. An adjustable doctor blade screeds excess liquid on the transfer roll surface into the evacuated cavity for removal by a vacuum system. The apparatus significantly reduces the emissions of volatile fluids to the atmosphere during the coating process.
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Bryce Corporation
Cano Milton
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