Process for producing a water soluble package
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorRichard Harbour
Life of this patent
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Abstract
A process for producing a thermoformed package comprises the steps of placing a first sheet of film over a forming die having at least one cavity, heating the film to mold the film into the at least one cavity thereby forming at least one recess in the film, placing a composition in the at least one formed recess; and sealing a second sheet of film across the at least one formed recess to produce at least one closed package. The film is heated by a heating plate having at least one concave depression which in use overlies the at least one cavity, wherein the heating step involves the step of bringing the film into intimate contact with the or each depression.
Claims10
A process for producing a thermoformed package comprising the steps of:
- placing a first sheet of film over a forming die having at least one cavity;
- heating the film;
- moulding the film to mould the film into the at least one cavity thereby forming at least one recess in the film;
- placing a composition in the at least one formed recess;
- and
- sealing a second sheet of film across the at least one formed recess to produce at least one closed package,
- wherein the process comprises heating the film by a heating plate having at least one concave depression which in use overlies the at least one cavity, wherein the heating step involves the step of bringing the film into intimate contact with the depression.
Dependencies are inferred from the claim text.