Apparatus and method for applying a viscous liquid to a...

Details Apparatus and method for applying a viscous liquid to a... Apparatus and method for applying a viscous liquid to a...

B - Operations, Transporting

05

D

B05D 1/28 (2006.01) B05C 1/08 (2006.01) B05C 11/04 (2006.01) B31F 1/28 (2006.01)

Patent

CA 2187810

22 APPARATUS AND METHOD FOR APPLYING A VISCOUS LIQUID TO A MATERIAL SURFACE An adhesive or other viscous liquid applicator apparatus utilizes a cylindrical glue roll and a reverse acting notched metering or doctor blade which forms, from an initial liquid layer on the roll, a series of laterally spaced liquid beads of metered size. The beads are subsequently spread to form a liquid layer for transfer to a web or other surface moved into generally tangential contact with the roll. The beads are preferably spread by a flexible spreader blade, but may also be spread by operating the peripheral surface of the roll and the web or surface in contact therewith at different speeds. The notched doctor blade provides accurate metering with a mechanically simple apparatus and the formation of beads helps prevent premature drying of the liquid.

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