B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/126, 164/32,
B26D 1/00 (2006.01) B26D 7/08 (2006.01) B29C 65/00 (2006.01) B29C 65/08 (2006.01) B29C 65/74 (2006.01) D06H 7/06 (2006.01) D06H 7/22 (2006.01)
Patent
CA 1216512
Abstract Of The Invention Apparatus and process for ultrasonically cutting off undesirable selvage and sealing the longitudinal cut edges from both sides of continuous lengths of textile fabric having at least some thermoplastic yarns therein. The apparatus and process are characterized by cutting off a predetermined width of the undesirable selvage from each side of the textile fabric regardless of the transverse variations in the path of travel of the fabric through the apparatus or width of the fabric. The apparatus utilizes a mechanism for shifting the moving textile fabric relative to a stationary ultrasonic cutting and sealing mechanism on one longitudinal edge of the fabric and a mechanism for shifting a movable ultrasonic cutting and edge sealing mechanism relative to the other longitudinal edge of the moving textile fabric.
458873
Lowery Jack R. SR.
Payet George L.
G. Ronald Bell & Associates
Springs Industries Inc.
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