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US 2009/0255387 A1Published application
Vision system and method thereof
AssigneeBerry Plastics Corporation
InventorGary Pelletier
Life of this patent
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Abstract
A system or apparatus of monitoring and adjusting the location of a perforation cut during production of a plastic sheet.
Claims20
A system of monitoring and adjusting the location of a perforation cut during production of a plastic sheet, the system comprising
- a monitor that captures an image of the perforation cut into the plastic sheet,
- a computer that processes the image and determines whether the perforation is located in a desired position, and
- a controller that moves a perforation blade if the computer determined that the perforation was not in the desired position.
The system of claim 10, wherein the computer issues a deadband to the controller if the perforation is located in the desired position.
A method of monitoring and adjusting the location of a perforation during production of a plastic sheet, the method comprising the steps of
- moving a length of the plastic sheet along a conveyor,
- monitoring the plastic sheet by capturing an image of the perforation cut into the plastic sheet,
- processing the image to determine whether the perforation is located in a desired position, and
- moving a perforation blade if determined that the perforation was not in the desired position.
1 more element
Dependencies are inferred from the claim text.