Roll for spreading and guiding a fabric web

Details Roll for spreading and guiding a fabric web Roll for spreading and guiding a fabric web

1989-11-07

1991-04-30

Stodola, Daniel P.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

226190, 26105, 291214, 198840, B23Q 1600, B06C 306, B21B 122

Patent

active

050110608

ABSTRACT:
A combined fabric stretching and straightening apparatus is comprised of a pair of cylinders having helical configurations on their periphery the cylinders being mounted for rotation on a shaft adapted to be driven in a direction opposite the direction of feed of a fabric web. The cylinders may rotate relative to each other and the shaft or may be coupled to rotate with the shaft by clutches interposed between the cylinders and shaft. Sensors are optionally provided for energizing one or the other clutch so as to center the fabric as it is fed.

REFERENCES:
patent: 1474346 (1923-11-01), Campbell
patent: 2176835 (1939-10-01), Cumfer
patent: 2539157 (1952-04-01), Lorig
patent: 3838481 (1974-10-01), Kuroda
patent: 3958309 (1976-05-01), Conti
patent: 4021894 (1977-05-01), Poterala et al.
patent: 4552295 (1985-11-01), Smith et al.
patent: 4567492 (1986-01-01), Skafuensledt et al.
patent: 4656702 (1987-04-01), Tsuchida

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