Apparatus and method for supplying constant tension material

Details Apparatus and method for supplying constant tension material Apparatus and method for supplying constant tension material

1976-03-11

1977-05-24

Schacher, Richard A.

Advancing material of indeterminate length

Processes

By fluid current

226 37, 226 97, 226113, 226195, 242185, B65H 2318

Patent

active

040250261

ABSTRACT:
Apparatus and method for supplying continuous material having a constant tension to a takeup device wherein a constant tension is maintained by passing the material through a vacuum column which controls the material supply and maintains a constant tension prior to the material reaching the takeup device.

REFERENCES:
patent: 2862675 (1958-12-01), MacDonald
patent: 3112473 (1963-11-01), Wicklund
patent: 3143312 (1964-08-01), Harper
patent: 3199800 (1965-08-01), Reader
patent: 3254855 (1966-06-01), Rayfield
patent: 3315907 (1967-04-01), Jura
patent: 3507432 (1970-04-01), Fecher

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