Unwinding apparatus for wound rolls
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 31, 1994
Grant Date -
N/A
app pub date -
Jan 31, 1992
filing date -
Feb 1, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An unwinding device for rolls of paper or cardboard has a pair of stands which are movable toward and away form one another on release by motors which have sprockets engaging nontraveling chains fixed at their ends relative to the rails. The stands have bearing housings displaceable vertically thereon and carrying heads engaging in the roll and vertically shifted by piston-and-cylinder assembly in the plane of the uprights of the stand.
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Cited Art Landscape
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