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US 6,273,952 B1Granted
Applicator for high solids sizing
AssigneePPG Industries Ohio, Inc.
InventorRobert B. Rau
Life of this patent
Estimating the term…
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AssigneePPG Industries Ohio, Inc.
InventorRobert B. Rau
Estimating the term…
One aspect of the present invention is a film applicator for applying a coating to at least a portion of a surface of fibers, comprising: an enclosure having a reservoir to store a coating composition; a roller having a generally cylindrical surface positioned within the enclosure such that a first portion of the roller surface is immersed in the coating composition and a second portion of the roller surface extends through an opening in the enclosure to contact fibers; a drive to rotate the roller within the enclosure such that the surface of the roller can be coated with a film formed from the coating composition; and a bar positioned at least in close proximity to the roller surface, the bar having a contoured surface that provides a desired film thickness on the roller surface. In one particular embodiment of the invention, the bar includes a rod with a tightly wound wire, such that the wire forms the contoured surface along the length of the rod, and further includes a mounting arrangement to maintain the contoured surface of the bar in direct contact with the surface of the roller.
A film applicator for applying a coating to at least a portion of a surface of fibers, comprising:
A film applicator for applying coating to at least a portion of a surface of fibers, comprising:
A film applicator for applying a coating to at least a portion of a surface of fibers, comprising:
Dependencies are inferred from the claim text.