Production of belting

Details Production of belting Production of belting

1979-11-20

1982-06-01

Lawrence, Evan K.

Coating processes

With stretching or tensioning

Running lengths

427316, 4274344, B05D 118, B05D 302, B05D 312

Patent

active

043328423

ABSTRACT:
Solid woven conveyor belting is produced by a process which includes the steps of subjecting the fabric carcass to a plurality of alternating changes of direction while immersed in a bath of impregnant material, and then heating the carcass to gel the impregnant. Each of the alternating changes of direction are effected by causing the carcass to follow a generally curved path whose radius of curvature is appreciably less than 75 mm. Prior to immersion, a synthetic polymeric yarn-containing carcass is subjected to a shrinking treatment effective to close the interstices of said carcass to some extent to reduce the impregnant material expelled upon subsequent heating to gel the impregnant.

REFERENCES:
patent: 316906 (1885-04-01), Mullen et al.
patent: 1228458 (1917-06-01), McGiehan
patent: 1862749 (1932-06-01), Hill et al.
patent: 2138876 (1938-12-01), Novak
patent: 2780459 (1957-02-01), Landquist
patent: 2844488 (1958-07-01), Meherg et al.
patent: 4052521 (1977-10-01), Ferrari

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