Hemming machine with fusing type slitter

Details Hemming machine with fusing type slitter Hemming machine with fusing type slitter

1985-09-05

1986-06-17

Jaudon, Henry S.

Sewing

Work manipulating

Guides

11212129, 112129, 112304, 83433, 83435, 83701, 228 11, D05B 900, D05B 3502, D05B 3702

Patent

active

045949557

ABSTRACT:
A hemming machine has a first station with an ultrasonic slitting device for cutting woven material that has enough thermoplastic content to be cut and fused by an ultrasonic device. At a second station, a hemming device folds and sews the material and by providing only two folds, results in a three layer hem which does not fray because the edge has been fused by the ultrasonic slitting device.

REFERENCES:
patent: 3640235 (1972-02-01), Burton
patent: 3764442 (1973-10-01), Parry
patent: 3817802 (1974-06-01), Meyer
patent: 3852144 (1974-12-01), Parry
patent: 3970509 (1976-07-01), Vitale
patent: 4120221 (1978-10-01), Speich
patent: 4343421 (1982-08-01), Assmann et al.
patent: 4413575 (1983-11-01), Gazzarrini
patent: 4530295 (1985-07-01), Adamski et al.

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