A release agent supply device for cold knife weakening comprising: —a wheel which adapted to roll in a weakening line formed by cold knife weakening; —a nozzle, the opening of the nozzle is close to the rim of the wheel with a small distance (d1) and orients to the wheel; and —a release agent feeder which is in fluid communication with the nozzle for providing the release agent to the nozzle; wherein the nozzle is adapted to supply the release agent to the wheel, and the wheel is adapted to apply the release agent to the weakening line when rolling therein The release agent supply device comprises simple structure, and is easy to be added on the ordinary cold knife.
RELEASE AGENT SUPPLY DEVICE FOR COLD KNIFE WEAKENING AND A COLD KNIFE SYSTEM COMPRISING SUCH A DEVICE
2020-10-15
Patent
Elektronische Ressource
Englisch
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Europäisches Patentamt | 2020
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