D - Textiles – Paper – 05 – B
Patent
D - Textiles, Paper
05
B
D05B 35/02 (2006.01) D05B 25/00 (2006.01) D05B 37/00 (2006.01)
Patent
CA 2096330
FITTED SHEET HEMMER ABSTRACT Sheet material (30) is taken from a supply (32) and is cut by cutter (36) into segments (35). The segments are moved rapidly parallel to their cut edges into a slower operating first sewing station (40) where elastic bands are sewn to the side edges of the segments. The rapidly moving trailing portion of the segment (35) of sheet material is temporarily accumulated at the accumulation station (39) and progressively fed at a slower rate through the first sewing station (40). The side edges are folded into overlying relationship with respect to the main body portion at folding station (42). Sewing machines (164 and 165) are moved inwardly of the sewing path to simultaneously cut and sew diagonal corners at the trailing and leading edges of the segments, with the sewing machines pivoting so as to face the relative movement of the sheet material, and the removed corners (25) and elastic banding (21) are pulled away from the work product by a vacuum system (186).
Finlayson & Singlehurst
Sew Simple Systems Inc.
LandOfFree
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