Driven guide roller indexing system

Details Driven guide roller indexing system Driven guide roller indexing system

1987-05-21

1989-05-30

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493 24, 493 29, 493225, 226108, 226114, 226117, B31B 110, B65A 2024

Patent

active

048346977

ABSTRACT:
A plastic film product manufacturing apparatus includes a pair of draw rollers advancing a continuous length of plastic film, a plurality of guide rollers guiding the plastic film through at least part of the apparatus to the draw rollers and an endless flexible belt driving each of the guide rollers at a circumferential surface speed equal to the speed of the continuous length of plastic film advanced over the guide rollers. When the continuous length of plastic film is intermittently advanced by the draw rollers, and the guide rollers are simultaneously intermittently rotated by the endless belt. A primer mover drives both the draw rollers and the endless flexible belt to coordinate rotation of the draw rollers with the rotation of the guide rollers. One of the guide rollers is mounted on a dancer arm and a system of pulleys is provided for driving that guide roller by the endless flexible belt.

REFERENCES:
patent: 1699507 (1929-01-01), Spiess
patent: 2897729 (1959-08-01), Ashton et al.
patent: 3526563 (1970-09-01), Schott, Jr.
patent: 3722376 (1973-03-01), Wech
patent: 3878114 (1975-04-01), Lancor, Jr. et al.
patent: 3926355 (1975-12-01), Bonnell
patent: 4624654 (1986-11-01), Boyd et al.
patent: 4702731 (1987-10-01), Lambrecht et al.

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