Paper web spreading shoe

Details Paper web spreading shoe Paper web spreading shoe

1986-01-16

1987-10-06

Levy, Stuart S.

Advancing material of indeterminate length

Passive guide

26 87, 162271, 226 88, B65H 2310, B65H 2334, D06C 300

Patent

active

046977287

ABSTRACT:
A spreader bar shoe mounted on the spreader bar of a paper making machine to smooth the sheet or web of paper prior to it being wound onto the takeup reel at the end of the paper machine. The spreader shoe is in the form of an elongated base of plastic material mounted on the spreader bar with segmental inserts forming a wear resistant strip in the outer surface of the base for engagement by the paper sheet with the segmental inserts being secured in a recess by a resilient interface material in the form of silicone to permit limited relative movement between the brittle insert segments and the plastic base due to differences in thermal expansion of the dissimilar materials of the brittle ceramic inserts and the plastic base.

REFERENCES:
patent: 1194348 (1916-08-01), Barber
patent: 2285487 (1942-06-01), Batie
patent: 3744693 (1973-07-01), Greiner
patent: 4035878 (1977-07-01), Cheatham
patent: 4176775 (1979-12-01), Brendemuehl
patent: 4223426 (1980-09-01), Demiere

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