Machine for simultaneous biaxially stretching

Textiles: cloth finishing – Expanding device for textile webs – Biaxial expansion

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Details

2642902, B29D 724, D06C 300

Patent

active

042009634

ABSTRACT:
A biaxial web stretching machine has diverging tong conveying screws and the screws are provided with double or triple threads to provide relatively high speed tong movement with a relatively low speed of screw rotation.

REFERENCES:
patent: 3014234 (1961-12-01), Koppehele
patent: 3305889 (1967-02-01), Lewis et al.
patent: 3445887 (1969-05-01), Tsien
patent: 3755862 (1973-09-01), Molz

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