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US 12,275,571 B2Granted
Package configured to hold products and having active member attached to an interior surface thereof, and method of making same
AssigneeCSP Technologies, Inc.
InventorsNeal D. Watson, Michael A. Johnston, Terrence Green
Life of this patent
Estimating the term…
Abstract
A package for containing liquid-exuding product is formed of a single sheet of film that is folded and sealed at certain locations. The package can include an active member, optionally in the form of absorbent, that is heat staked or otherwise attached to a portion of the sheet of film such that the active member is located on an interior surface of a bottom of the folded and sealed package.
Claims3
A method of forming a package configured to contain product, the method comprising steps:
- a) heat staking or thermoforming only a single active member to a portion of only one single sheet of film that has been unrolled such that the single active member does not occupy an entire interior surface of the single sheet of film, the active member including an absorbent material;
- and
- b) folding the single sheet of film and sealing portions of the film together following the completion of step a) such that the film forms a package having an opening leading to a cavity configured to contain product and the active member is located on an interior surface of the package,
- wherein the single active member is an entrained polymer including the absorbent material in the form of an active agent, and wherein the active agent is desiccant.
1 more element
Dependencies are inferred from the claim text.