Device for forming a doubly turned hem

Details Device for forming a doubly turned hem Device for forming a doubly turned hem

1986-02-12

1987-04-28

Schroeder, Werner H.

Sewing

Work manipulating

Guides

112304, D05B 3504

Patent

active

046604863

ABSTRACT:
A device for forming a doubly turned hem on lengths of fabric with a folding sleeve, in the inner space of which a flexible sheet is provided as auxiliary folding device, which presses the fabric against the guiding surface of the folding sleeve and, as the start of fabric is pushed through the folding sleeve, constantly follows its cross-sectional shape. The effective area of the auxiliary folding device can have a fur-like surface, the pile of which is aligned in the direction of advance of the material to be sewn. In order to open a gap for the unimpeded introduction of the edge of the fabric, a shaped metal plate, by means of which the auxiliary folding device is coiled, is movable between the guiding surface of the folding sleeve and the auxiliary folding device.

REFERENCES:
patent: 1631956 (1927-06-01), De Voe
patent: 2004080 (1935-06-01), Roby
patent: 2173509 (1939-09-01), Swanson
patent: 2279588 (1942-04-01), Enos
patent: 2355766 (1944-08-01), Westhoff
patent: 3481292 (1969-12-01), Danahy
patent: 3906877 (1975-09-01), Rockerath et al.

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