Unitary blank for forming a cup sleeve

    公开(公告)号:US11661263B2

    公开(公告)日:2023-05-30

    申请号:US17122472

    申请日:2020-12-15

    Applicant: PACTIV LLC

    Inventor: Angela E. Learn

    CPC classification number: B65D81/3876 B31B50/81 B65D5/029

    Abstract: Unitary blank for forming a cup sleeve is provided having a central body portion, a first side body portion, and a second side body portion, a central flap extending from the central body portion, a first flap extending from the first side body portion, the first flap including a first tab, and a second flap extending from the second side body portion, the second flap including a second tab. In addition, at least a selected surface area of the blank has a pattern of raised features. Raised pattern areas of inner fold-over flaps can overlay corresponding raised pattern areas of sleeve outer body panels thereby increasing a size or volume of air gap pockets created between inner flaps and outer body panels. A multi-layer cup sleeve and a method for forming a cup sleeve are also provided.

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