Can graphics concealment through pigmented overvarnish
Number of patents in Portfolio can not be more than 2000
United States of America
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Apr 26, 2022
Grant Date -
N/A
app pub date -
Jul 12, 2021
filing date -
Jul 12, 2021
priority date (Note) -
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Abstract
Overvarnished aluminum cans which are not usable because of label graphic errors or other reasons are conditioned for reuse by first treating the existing overvarnish to accept an opaque new layer of overvarnish. The opening of the can is engaged with a plug having a pin communicating with a pressurized gas supporting the can on a wheel to supply gas pressure according to the rotational position of the pin. The overvarnished can is pressurized to allow printing an opaque new layer of overvarnish on to the can over the existing overvarnish. The treated can is visually inspected and the internal coating resprayed, and the opaque overvarnish and the internal coating are cured in a final curing oven, the can being then ready for printing of new graphics or sold as a brite, silver or blank can where other graphics can be applied.
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