Apparatus for blind stitching an S-shaped hem

Details Apparatus for blind stitching an S-shaped hem Apparatus for blind stitching an S-shaped hem

1983-05-12

1984-11-27

Hunter, H. Hampton

Sewing

Special machines

Mattress sewing

112 10, 11212126, 112141, 112322, D05B 2300, D05B 2710

Patent

active

044845324

ABSTRACT:
An automatic sewing apparatus capable of blind stitching an S-shaped hem in the marginal edge of a tubular workpiece. The sewing apparatus is provided with a tensioning device including a pair of roller supports which arrange an open end of the workpiece in a closed loop formation. The roller support, arranged on the downstream side of the sewing machine, is provided with a guiding portion adapted to receive and controllably guide the sewn and hemmed edge of the tubular workpiece.

REFERENCES:
patent: 1723781 (1929-08-01), Hoggard
patent: 3783805 (1974-01-01), Guichard
patent: 3865058 (1975-02-01), Rovin et al.
patent: 4046087 (1977-09-01), Manetti
patent: 4191117 (1980-03-01), Della Torre

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