B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/47
B05C 1/00 (2006.01) B05C 1/08 (2006.01) B65C 9/14 (2006.01) B65C 9/22 (2006.01) B65C 9/00 (2006.01)
Patent
CA 1057044
Abstract of the Disclosure A device including an applicator wheel for applying molten adhesive to a substrate as the substrate is moved over the surface of the wheel. The device includes a reservoir within which the wheel is partially submerged in molten adhesive and a doctor blade for controlling the thickness of adhesive applied to the substrate. The reservoir is so configurated that so long as the wheel is rotating, there is a continuous flow of molten ad- hesive from the pool beneath the wheel up to the doctor blade, along the underside of the doctor blade and back to the pool via channels in the end plates of a reservoir. To prevent the sub- strate from adhering to the surface of the wheel, stripper fingers extend parallel to the path of movement of the substrate and ride within annular channels or grooves in the periphery of the wheel. These strippers fingers are preloaded into contact with the surface of the wheel and are encased within "Teflon" tubing so configured in relation to the grooves in the surface of the wheel that the tubing functions as a dynamic seal to prevent adhesive from rid- ing up the grooves and beneath the doctor blade.
240788
Reighard Alan B.
Scholl Charles H.
LandOfFree
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