Patent ID: 9340345
Filing Date: 2016-05-17
CPC Classification: B65D

Claim Text:
1. An insulative cup comprising a side wall formed from an insulative cellular non-aromatic polymeric material having an upper end formed to include a brim defining a mouth opening having a central axis extending into an interior region formed at least in part by the side wall, a floor retaining flange configured at a lower end of the side wall, the floor retaining flange adapted to secure a floor mount supporting a platform to close off a lower portion of the interior region, and a stack shoulder formed in the side wall, the stack shoulder comprising an annular seat located in a lower portion of the side wall above the platform, the annular seat providing a support surface for another cup, wherein the side wall inclines inward with respect to the central axis between the platform and the stack shoulder wherein a first portion of the side wall along a first linear edge overlaps a second portion of the side wall along a second edge and are heat sealed together to form a body seam, wherein a floor includes the platform and a platform support member, the platform support member is coupled to the floor retaining flange by use of a heat seal, and further including a web support ring portion coupled to the lower portion of the side wall and arranged to surround the platform support member, wherein the seat-support ring portion forms an obtuse included angle with the web support ring portion facing the central axis when viewed in cross section.