Appeal No. 1999-0984 3
Application No. 08/696,248
dispensing a two-component polyurethane to a dispenser head which is closely spaced
from the substrate surface;
moving the dispenser head across the substrate in the cross-machine direction, and
dispensing the two-component polyurethane onto the substrate;
conducting to the dispenser head fibers from a fiber supply;
introducing the fibers into the polyurethane as the polyurethane leaves the dispenser head,
such that the fibers are aligned as they leave the nozzle in the direction of the
motion of the dispenser head;
moving the looped substrate in a machine-direction with respect to the dispenser head to
apply the polyurethane-fiber mix to the entire substrate;
grinding the substrate to a consistent thickness; and
milling grooves into the polyurethane layer.
THE REFERENCES OF RECORD
As evidence of obviousness, the examiner relies upon the following references.
Beucker 4,353,296 Oct. 12, 1982
Adams 4,552,620 Nov. 12, 1985
McCarten 4,944,820 July 31, 1990
WO ‘16820 95/16820 June 22, 1995
(Published International Application)
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