Apparatus for feeding web material from a supply roll

Details Apparatus for feeding web material from a supply roll Apparatus for feeding web material from a supply roll

1982-07-26

1984-04-10

Christian, Leonard D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 35, 226 44, 226111, 226174, 226183, B65H 1722, B65H 2308, B65H 2316, B65H 2504

Patent

active

044416644

ABSTRACT:
An apparatus for feeding web material from a supply roll to processing equipment of the type that exerts an intermittent pulley force on the web during intermittent advance through the processing equipment. The web feed apparatus includes a brake for controlling unwinding rotation of the web supply roll which is operated under the control of a dancer to decrease the braking action when the web is fed at a rate faster than the rate at which it unwinds from the supply roll. The web feed apparatus also includes web feed rollers arranged to drive both sides of a folded web while both sides of the web are under the same tension.

REFERENCES:
patent: 233450 (1880-10-01), Wickham
patent: 2444785 (1948-07-01), Rackett
patent: 2660426 (1953-11-01), Griner
patent: 2814486 (1957-11-01), Gurley et al.
patent: 2918769 (1959-12-01), Anderson et al.
patent: 3045405 (1962-07-01), Anderson et al.
patent: 3061227 (1962-10-01), Peterson
patent: 3184825 (1965-05-01), Jones
patent: 3700153 (1972-10-01), Delair et al.
patent: 3704820 (1972-12-01), Frederick et al.
patent: 3985277 (1976-10-01), Wright
patent: 4004400 (1977-01-01), Anderson et al.
patent: 4231560 (1980-11-01), Stohlquist et al.

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