Production of thermoplastic films

Details Production of thermoplastic films Production of thermoplastic films

1975-10-14

1977-07-26

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156244, 156250, 264210R, B31F 500, B65H 6906

Patent

active

040381218

ABSTRACT:
The invention is a method of automatically threading the wind-up section while the formation section runs at full speed. The stopped wind-up section is threaded with a leader while the formation section runs at full speed. The wind-up section is started. When speeds match the two webs are spliced, the leader is fed from its feed and the production web from waste so that the leader draws the production web through the wind-up section. The splicer may also act as an automatic dump.

REFERENCES:
patent: 3733230 (1973-05-01), Prittie
patent: 3749622 (1973-07-01), Sato et al.
patent: 3854357 (1974-12-01), Kron
patent: 3896820 (1975-07-01), Ludszeweit et al.
patent: 3925131 (1975-12-01), Krause

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