Methods and apparatus for perforating food casing film and casing produced thereby
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United States of America Patent
Stats
-
Jan 13, 1987
Grant Date -
N/A
app pub date -
Jun 26, 1985
filing date -
Jun 26, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Prestuck food casing films are made with an apparatus having a perforating roll with multiple knife blades. The perforating roll is linked to a power roll so the casing being pulled through the apparatus drives the power roll which turns the perforating roll to perforate the film. The power roll and the perforating roll turn at the same peripheral speed so any change in velocity of the advancing film automatically adjusts the speed of the perforating roll eliminating tears or enlargement of perforations.
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Family
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