Automatic elastic loop forming

Details Automatic elastic loop forming Automatic elastic loop forming

1982-09-30

1985-03-12

Feldbaum, Ronald

Sewing

Special machines

Darning

11212126, 1122622, 1122623, D05B 2300

Patent

active

045037906

ABSTRACT:
Elastic loops of predetermined length are formed utilizing an annular channel of fixed circumference, and having an interior overfeed opening. The length of elastic band fed to the channel is determined by a separate, readily adjustable mechanism, independent of the channel circumference. Air jets assist a feed roller in feeding the elastic, and air jets blow the formed elastic loop out of the channel after formation of it, and severing of it from the supply of elastic. Feed dogs move the formed loop ends out along an arm into contact with an automatic sewing machine.

REFERENCES:
patent: 3448707 (1969-06-01), Thomsen
patent: 3777683 (1973-12-01), Lee
patent: 3780679 (1973-12-01), Hanes, Jr. et al.
patent: 3949688 (1976-04-01), Andersson
patent: 4366764 (1983-01-01), McCurry

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