Looper

Details Looper Looper

1981-11-17

1983-01-11

Christian, Leonard D.

Advancing material of indeterminate length

With material-responsive control means

For festooner

226104, 200 6144, B65H 2500

Patent

active

043678319

ABSTRACT:
A looper used in the manufacture of asphaltic roofing felt comprising a driven endless belt of spaced tubes adapted to carry loops of felt between adjacent tubes, a track inclined toward said loops, a trolley having fingers adapted to contact the foremost loop in the looper, rollably mounted on the track wherein the improvement comprises a chain driven at the same rate and in the same direction as said endless belt and means on said trolley to interlock with said chain actuated when said fingers have contacted the foremost loop whereby the trolley travels with the foremost loop and the fingers maintain a constant pressure or contact on the foremost loop, until the loop is pulled out of the reach of the fingers, whereby the fingers drop and deactuate the interlock means, allowing the trolley to roll by force of gravity until the fingers again contact the foremost loop and the operation is repeated.

REFERENCES:
patent: 1880820 (1932-10-01), Conant
patent: 2035227 (1936-03-01), Fowler
patent: 2641469 (1953-06-01), Pagell
patent: 2710319 (1955-06-01), Bush
patent: 3008620 (1961-11-01), Hausner et al.
patent: 3151797 (1964-10-01), Brownell

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