Method of and a device for raising flattened parallelepipedic bl

Details Method of and a device for raising flattened parallelepipedic bl Method of and a device for raising flattened parallelepipedic bl

1989-08-23

1991-07-23

Meislin, D. S.

Manufacturing container or tube from paper; or other manufacturi

Container or tube erecting, opening, or collapsing

Including overfolding or reverse bending

B31B 178

Patent

active

050339753

ABSTRACT:
A method and device are disclosed for raising rimpled and flattened parallelepipedic blanks to form rectangular parallelepipeds. A supply of flattened parallelepipedic blanks are rolled out in a first rolling direction through a pair of discharging rollers. Pressure is imparted on the flattened parallelepipedic blanks in a direction opposite to the first rolling direction by means of a pusher for opening the blank to nearly 180.degree. in a direction perpendicular to the rolling direction. The pusher is thereafter retracted in the first rolling direction to raise the blank to form a rectangular parallelepiped with a substantially square-shaped cross section. The formed blanks are thereafter unloaded from the device.

REFERENCES:
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patent: 3418894 (1968-12-01), Jivoin
patent: 4057008 (1977-11-01), Hughes
patent: 4493687 (1985-01-01), Bernle
patent: 4530692 (1985-07-01), Williams
patent: 4573957 (1986-03-01), Billberg
patent: 4708707 (1987-11-01), Koike et al.

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