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US 12,679,589 B2Granted
Reusable recyclable thermoformed shipping containers
AssigneeP.R.A. Company
InventorsShawn J. Windsor, Paul R. Aultman
Life of this patent
Estimating the term…
Abstract
A thermoformed, reusable, recyclable shipping container comprising a thermoformed shell and a plurality of separate load bearing columns secured within said shell at various locations whereby the stacking load imposed on the containers will be at least partially borne by the load bearing columns.
Claims21
A method of forming a stackable container comprising:
- providing a mold configured to provide shape to a container shaped thermoplastic shell;
- including in said mold a plurality of holder wells for vertical columns for the container thermoformed on said mold;
- each of said holder wells extending to what will be the bottom of a container formed on said mold;
- positioning vertical columns in said holder wells and thermoforming a plastic sheet over said mold and said vertical columns.
1 more element
A method of forming a stackable container comprising:
- providing a mold configured to provide shape to a container shaped thermoplastic shell;
- including in said mold a plurality of holder wells to receive upstanding vertical columns for the container thermoformed on said mold;
- each of said holder wells extending to what will be the bottom of a container formed on said mold;
- positioning the upstanding vertical columns distal and spaced apart from one another in respective ones of said holder wells;
- and
- thermoforming a plastic sheet over said mold and said upstanding vertical columns.
3 more elements
Dependencies are inferred from the claim text.