BELT FOR PAPERMAKING MACHINE
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United States of America Patent
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Issued Date -
Feb 12, 2009
app pub date -
Jan 29, 2007
filing date -
Jan 31, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The present invention provides a belt for a papermaking machine having excellent property such as crack resistance, abrasion resistance and hair crack resistance.The belt for a papermaking machine of the present invention is a belt for a papermaking machine having an outer peripheral surface stacked on the felt side of a substrate, characterized in that the outer peripheral surface comprises an intermediate layer in contact with the substrate and an outermost layer located on the outer periphery of the intermediate layer, wherein the intermediate layer is made of polyurethane cured with dimethylthiotoluenediamine, and the outermost layer is made of cured polyurethane cured with an curing agent other than dimethylthiotoluenediamine, or a thermosetting resin selected from epoxy resins and unsaturated polyester resins, and a drainage gutter is provided by cutting on the outer peripheral surface, and so that the bottom of the drainage gutter is cut to a position which is deeper than the boundary surface between the intermediate layer and the outermost layer.
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