Sonoco Development Incorporated

Felix Kettner

A one-piece paper lid and container system using the one-piece paper lid is provided herein. The one-piece paper lid comprises base having a central portion and peripheral portion, and a circumferential bead disposed adjacent the peripheral portion of the base. The circumferential bead is radially extendable between an inward position defining a first inner diameter and an outward position defining a second inner diameter. The one-piece paper lid further comprises a skirt extending downward from the circumferential bead. The skirt comprises an outer sidewall, an inner sidewall and an upwardly extending curl connecting the outer sidewall and the inner sidewall, wherein the inner sidewall comprises an inner protrusion extending radially inward.

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Hockenheim, Germany

Felix Kettner