Needled felt and monofilament fabric conveyor belt
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United States of America Patent
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Issued Date -
Jul 10, 2008
app pub date -
Jan 10, 2007
filing date -
Jan 10, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A conveyor belt construction is disclosed comprising at least one layer of carded non-woven material and one layer of woven fabric that are needled together to form a carcass structure. The layer of non-woven material is carded so that a substantial portion of the staple fibers are oriented in a first direction. The layer of woven material has multifilament warp fibers and monofilament weft fibers. The two layers of material are layered on each other and needled together to form a multi-layer carcass. The carcass is then impregnated with an elastomeric material, resulting in a belt having low operating noise, high lateral strength, and good resistance to belt fastener pull-out. A second non-woven layer can be applied to the woven layer such that the woven layer is sandwiched between the non-woven layers. A method for manufacturing the multi-layer belt is also disclosed.
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