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US 8,757,062 B2Granted
Method for printing water-soluble film
AssigneeThe Procter & Gamble Company
InventorsStephane Content, Frank William Denome
Life of this patent
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Abstract
A method for on-line printing onto water-soluble film on-line with water-soluble detergent pouch process.
Claims19
A method to produce a water-soluble detergent pouch, having a graphic printed thereon, said method comprising:
- continuously feeding a water-soluble film comprising polyvinyl alcohol through at least one flexographic printing unit wherein the water-soluble film is transported from 5 to 15 m/min to form a printed water-soluble film;
- and then transferring said printed water-soluble film to a water-soluble detergent pouch producing unit, wherein the preparation of the pouch comprises the step of shaping pouches in a series of moulds by thermoforming;
- wherein said printed water-soluble film is formed into pouches immediately after flexographic printing onto said water-soluble film.
A method to produce a water-soluble detergent pouch, having a graphic printed thereon, said method comprising:
- continuously feeding a water-soluble film comprising polyvinyl alcohol through at least one flexographic printing unit to form a printed water-soluble film, wherein said at least one flexographic printing unit comprises a printable material comprising a water-soluble ink;
- and then transferring said printed water-soluble film to a water-soluble detergent pouch producing unit, wherein the preparation of the pouch comprises the step of shaping pouches in a series of moulds by thermoforming;
- wherein said printed water-soluble film is formed into pouches immediately after flexographic printing onto said water-soluble film.
Dependencies are inferred from the claim text.