Textiles: manufacturing – Textile product fabrication or treatment – Cross laying by divergent thread conveying members
Patent
1993-01-15
1994-04-26
Crowder, Clifford D.
Textiles: manufacturing
Textile product fabrication or treatment
Cross laying by divergent thread conveying members
57 6, 156436, D04H 304, D02G 336
Patent
active
053055047
ABSTRACT:
A method and apparatus for forming a scrim with fibers oriented in the bias direction comprising of at least two belts and at least one plate which forms a three dimensional mandrel over which the bias scrim is formed. The plate is shaped so that any cross-section taken perpendicularly to the direction of travel of the scrim, the perimeter of the scrim formed by fibers wrapped around the machine in the plane of the cross-section is constant. This constant is equal to twice the final width of the scrim from selvedge to selvedge. The scrim is formed by wrapping fibers around the front of the assembly while the belts move toward the rear end of the machine. The movement of the belts carry the fibers to the rear of the assembly as they are wrapped around the assembly. The belts travel at substantially the same speed in opposite directions. The ratio of the speed that the fibers are wrapped around the assembly and the speed of the belts determine the fiber angle of the bias scrim. This fiber angle can be varied continuously from transverse to nearly longitudinal. The bias angle can be varied while the assembly is operating.
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Calvert John J.
Crowder Clifford D.
Kercher Kevin M.
Milliken Research Corporation
Moyer Terry T.
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