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US 7,458,504 B2Granted
Multi walled container and method
AssigneeHuhtamaki Consumer Packaging, Inc.
InventorsRonald D. Robertson, George E. Mac Ewen
Life of this patent
Estimating the term…
Abstract
A container and method of manufacture are provided. The container includes a cup with a permanently attached sleeve overlying an exterior portion of the cup sidewall. The sleeve includes a plurality of inwardly directed protuberances providing a gap between a substantial portion of the cup sidewall and the sleeve.
Claims1
A multi walled container for storing ingestibles the container comprising:
- a paperboard sidewall having opposite first and second opposite end portions, said first end portion defining an open mouth, said sidewall having an exterior surface;
- a bottom wall adjacent the second end portion and closing the second end portion, said sidewall and bottom wall defining a storage chamber;
- a paperboard sleeve member positioned outwardly of and overlying at least a portion of the sidewall and secured thereto, said sleeve member including a plurality of spaced apart protuberances extending inwardly from an inside surface of the sleeve member forming a gap between portions of the exterior and interior surfaces, wherein at least some of said protuberances each have a through opening adjacent an apex of the respective protuberance;
- and
- wherein at least some of the protuberances each have a rim of fibrous material projecting therefrom toward the sidewall and circumscribing at least a portion of a respective said through opening.
2 more elements
Dependencies are inferred from the claim text.