Web slack box having a plurality of sections

Details Web slack box having a plurality of sections Web slack box having a plurality of sections

1976-01-16

1976-11-23

Saifer, Robert W.

Advancing material of indeterminate length

Plural material-moving means

And intermediate storage

242182, B65H 1750

Patent

active

039932338

ABSTRACT:
A slack box for accumulating continuous web material having a plurality of vertically spaced sections separated by movable members. When the amount of web material in a selected one of the sections reaches a predetermined amount, the movable members, starting with the lowest, are sequentially moved from an operative position separating the slack box into sections to an inoperative position thereby allowing web material stored in an upward section to pass or dump into a lower section. After the web material in the uppermost section has been dumped into the adjacent lower section, a web feeding mechanism is actuated to feed a predetermined amount of web material into the uppermost section.

REFERENCES:
patent: 1296476 (1919-03-01), Burnett
patent: 2521440 (1950-09-01), Bannon
patent: 2808259 (1957-10-01), Wengel
patent: 2855196 (1958-10-01), Quirk
patent: 3693859 (1972-09-01), Nielsen

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