Containers for holding materials

This container uses an inner flexible plastic pouch to hold liquids, supported by an outer rigid shell. The claims specify this outer shell must be made from molded fiber or pulp, which can be folded or assembled from multiple parts. A cap closes the container, and a collar helps secure the shell.

Why it matters: Since 2014, the demand for sustainable packaging has surged, making the combination of a renewable molded fiber shell with a minimal plastic liner highly relevant. Advances in pulp molding technology also support more complex designs.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedPulp molding, flexible plastic forming, assembly

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