Method and apparatus for manufacturing an agricultural bag

Details Method and apparatus for manufacturing an agricultural bag Method and apparatus for manufacturing an agricultural bag

1982-01-26

1984-01-03

Coan, James F.

Manufacturing container or tube from paper; or other manufacturi

With measuring or testing

493217, 493294, 493302, 493933, 493967, B31B 2302

Patent

active

044240511

ABSTRACT:
In a method and apparatus for manufacturing two-ply agricultural storage bags, two supplies (36, 38) of flexible tubular materials are positioned on opposite sides of feed wheels (26) mounted on a generally cylindrical frame structure (24). The inner material (36a) from the first supply (36) extends through the frame (24) and outwardly around the feed wheels (26). The outer material (38a) from the second supply (38) extends around the feedwheels (26) in surrounding engagement over the inner material (36a). Actuation of the feedwheels (26) effects simultaneous advancement of the materials (36a, 38a) around the frame (24) so that a bag can be collected at the lower end of the frame.

REFERENCES:
patent: 3495505 (1970-02-01), Hansson et al.
patent: 3553924 (1971-01-01), Bonami
patent: 3921506 (1975-11-01), Hollis
patent: 3924522 (1975-12-01), Martin
patent: 4002006 (1977-01-01), Bruno
patent: 4027460 (1977-06-01), Orr
patent: 4340379 (1982-07-01), Williamson

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