Method of and a device for raising flattened parallelepipedic blanks
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United States of America Patent
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-
Jul 23, 1991
Grant Date -
N/A
app pub date -
Aug 23, 1989
filing date -
Aug 24, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Cited Art Landscape
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