Pipes and tubular conduits – Repairing
Patent
1985-06-26
1987-01-13
Meister, James M.
Pipes and tubular conduits
Repairing
83 37, 83308, 83339, 83660, 83678, 1381181, 17 42, B26D 300
Patent
active
046353160
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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Stanley Thomas R.
Towne Clinton G.
Dunn Michael L.
Ellis Howard M.
Meister James M.
Teepak, Inc.
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