Printing plastic containers with digital images
First Claim
Patent Images
1. A method for printing digital images on plastic containers having curved surfaces, which comprises:
- providing a series of hollow plastic containers each having a curved external surface;
moving said containers along a track and past a digital printing location;
providing a plurality of independently movable print heads at said printing location, wherein said print heads are separately movable perpendicular to the direction of container flow, and providing a sensor which determines the location of the container surface to be printed and provides electronic feedback to an articulation device which moves the print heads independent of each other to maintain a constant distance between the container surface to be printed and the print heads; and
printing a digital image on said curved surface of each container by said print heads at said printing location.
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Abstract
A method for printing digital images on plastic containers having curved surfaces, including providing a series of hollow plastic containers, moving the containers along a track past first and second digital printing locations, and printing first and second digital images on the curved container surfaces while maintaining the container being printed under internal pressure and while firmly holding the container being printed at spaced locations thereon.
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Citations
31 Claims
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1. A method for printing digital images on plastic containers having curved surfaces, which comprises:
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providing a series of hollow plastic containers each having a curved external surface; moving said containers along a track and past a digital printing location; providing a plurality of independently movable print heads at said printing location, wherein said print heads are separately movable perpendicular to the direction of container flow, and providing a sensor which determines the location of the container surface to be printed and provides electronic feedback to an articulation device which moves the print heads independent of each other to maintain a constant distance between the container surface to be printed and the print heads; and printing a digital image on said curved surface of each container by said print heads at said printing location. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification