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US 11,548,255 B2Granted
Methods of making vented flexible containers
AssigneeThe Procter & Gamble Company
InventorsMark Mason Hargett, Michael Paul Hausfeld, Marc Richard Bourgeois, Joseph Craig Lester, Benjamin Jacob Clare, Richard Matthew Giachetto, Tadayoshi Ishihara, Gavin John Broad
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Abstract
Methods of making vents in containers made from flexible materials, including forming vent openings in a first flexible material, forming vent stand-offs on a second flexible material, and combining the flexible materials to form a vent passage for the flexible container.
Claims19
A method of making disposable, stand up flexible containers for fluent products, the method comprising:
- forming a vent opening through a first flexible material;
- forming one or more vent stand-off surface formations using at least one of stamping, embossing, printing, or laser etching on a portion of a second flexible material, without puncturing the second flexible material;
- combining the first flexible material with the second flexible material, wherein the flexible materials are in direct, face-to-face contact;
- and
- aligning the first flexible material with the second flexible material, wherein one or more of the vent stand-offs and the vent opening are aligned with each other in fixed relation;
- and
- after the combining and the aligning, sealing, folding, and cutting the combined flexible materials, while aligned, to form the flexible containers, each of which includes a product space and a vent passage, wherein:
- the vent stand-offs are disposed within the vent passage;
- and
- the vent passage is in fluid communication with the product space through the vent opening.
7 more elements
Dependencies are inferred from the claim text.