Crimped roving or sliver
First Claim
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1. A CRIMPED ROVING OR SILVER COMPRISING A BLEND OF (1) HEAT-SEAT CRIMPED STAPLE FIBERS OF A SYNTHETIC HEAT-SETTING RESIN, SAID CRIMPS BEING SET ANGULARLY TO ABOUT 180* OF THE LONGITUDINAL AXIS OF THE FIBERS, WITH (2) OTHER STAPLE FIBERS SELECTED FROM THE GROUP CONSISTING OF UNCRIMPED FIBERS AND FIBERS WHICH HAVE BEEN CRIMPED TO A CRIMP ANGLE LESS THAN 180*, SAID BLEND CHARACTERIZED BY THE FACT THAT THE LATENT CRIMP RECOVERY OF SAID 180* CRIMPED STAPLE FIBERS CAUSES BULKING OF SAID STAPLE FIBERS WHICH HAVE BEEN CRIMPED TO A CRIMPED ANGLE LESS THAN 180* WHEN THE BLEND IS HEATED.
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1 Claim
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1. A CRIMPED ROVING OR SILVER COMPRISING A BLEND OF (1) HEAT-SEAT CRIMPED STAPLE FIBERS OF A SYNTHETIC HEAT-SETTING RESIN, SAID CRIMPS BEING SET ANGULARLY TO ABOUT 180* OF THE LONGITUDINAL AXIS OF THE FIBERS, WITH (2) OTHER STAPLE FIBERS SELECTED FROM THE GROUP CONSISTING OF UNCRIMPED FIBERS AND FIBERS WHICH HAVE BEEN CRIMPED TO A CRIMP ANGLE LESS THAN 180*, SAID BLEND CHARACTERIZED BY THE FACT THAT THE LATENT CRIMP RECOVERY OF SAID 180* CRIMPED STAPLE FIBERS CAUSES BULKING OF SAID STAPLE FIBERS WHICH HAVE BEEN CRIMPED TO A CRIMPED ANGLE LESS THAN 180* WHEN THE BLEND IS HEATED.
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Current AssigneeAbraham J. Rosenstein, Harold Garner, Nathan Rosenstein
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Original AssigneeAbraham J. Rosenstein, Harold Garner, Nathan Rosenstein
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InventorsGarner, Harold, Rosenstein, Abraham J., Rosenstein, Nathan
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Application NumberUS04/508,884Time in Patent Office837 DaysField of SearchUS Class Current57/254CPC Class CodesD02G 1/18 by combining fibres, filame...D02G 3/24 Bulked yarns or threads, e....
