D - Textiles – Paper – 04 – D
Patent
D - Textiles, Paper
04
D
28/26
D04D 5/00 (2006.01) D06H 7/14 (2006.01)
Patent
CA 1158425
ABSTRACT OF THE DISCLOSURE The present invention relates to a machine for fraying warp- and weft-woven fabrics. In the past fraying has been accomplished by tearing out yarns one by one, or by machines employing brushes. The machine comprises a table adapted to receive the fabric; said table including an elongated opening; a drive device adapted to advance the fabric over the table; a movable V-shaped punch disposed perpendicularly with respect to the direction of advance, punch driving means for driving the punch with reciprocating vertical movement, so that the punch passes the yarns of the fabric which are parallel to the direction of advance through the opening in the table, a movable cutting tool disposed beneath the table for cutting the yarns having passed through said opening, cutting tool driving means synchronized with the punch driving means in order that the cutting tool cuts the yarns passing through the opening in the table when the punch is above the fabric, so as to obtain a drawn fabric with an area having only yarns perpendicular to the direction of advance; and a movable fraying knife disposed above the table and behind the punch with respect to the direction of advance, to cut the perpendicular yarns of the drawn fabric and thereby fray the fabric.
366735
Albert Marcel
Fortin Joseph
Parenteau Robert
Ets. Albert S.a.
Fetherstonhaugh & Co.
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