Roll or roller – With specific roller exterior surface structure – Surface projections – indentations – or slits
Patent
1996-05-10
1998-10-06
Cuda, Irene
Roll or roller
With specific roller exterior surface structure
Surface projections, indentations, or slits
492 30, B23P 1500
Patent
active
058169881
ABSTRACT:
A roll, for driving a woven-wire conveyor belt, provides substantially-uniform drive across the belt width, avoids disruption of belt drive, provide unidirection tracking of the belt, and avoids disruption of conveyed products during treatment of conveyed products at temperatures other than ambient. During conveyance of a product for heating or cooling treatment, woven-wire conveyor belts and rolls driving the belts are often at differing temperatures, especially during start-up and shutdown of operations. Such temperature differentials can cause dimensional changes in a belt which change the relative location of belt recesses with respect to the roll surface. Selective shaping and dimensioning of roll protrusions from the widthwise center of a roll toward each lateral end of the roll eliminates mismatching of belt recesses due to changes in belt width during product processing at temperatures other than ambient.
REFERENCES:
patent: 1305330 (1919-06-01), Wolever
patent: 2839785 (1958-06-01), Stevens
patent: 3000149 (1961-09-01), Johnson
patent: 3339818 (1967-09-01), Morrow
Daringer Ronald G.
Loeffler, Sr. Richard A.
West H. William
Cuda Irene
Maryland Wire Belts, Inc.
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