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A collapsible, self-standing, liquid resistant, drinking cup formed from a unitary blank of uncoated paperboard and having a bottom wall member and a pair of side wall members that are interconnected at their side edges and that have certain lower edges joined to the bottom wall member and other low

A collapsible, self-standing, liquid resistant, drinking cup formed from a unitary blank of uncoated paperboard and having a bottom wall member and a pair of side wall members that are interconnected at their side edges and that have certain lower edges joined to the bottom wall member and other lower edges disposed below the bottom wall member to support the erected cup on a horizontal surface.

대표청구항 ▼

A collapsible, liquid resistant, drinking cup formed from a unitary blank of sheet material, such as paperboard, comprising: (a) a bottom wall member; (b) a pair of first and second side wall members having certain lower edges foldably joined to opposed side edges of said bottom wall member; (c) sai

A collapsible, liquid resistant, drinking cup formed from a unitary blank of sheet material, such as paperboard, comprising: (a) a bottom wall member; (b) a pair of first and second side wall members having certain lower edges foldably joined to opposed side edges of said bottom wall member; (c) said side wall members having central portions spaced from each other and having side portions joined to each other to form with said bottom wall member a liquid receiving cavity; (d) each of said side wall members including a main panel and a pair of side panel sections foldably joined to opposite side edges of said main panel; (e) said side panel sections each including at least two adjacent panels foldably joined to each other; (f) at least one panel of the side panel section of one side wall member being reverse folded to lie against an adjacent panel of its section; (g) at least one side panel section of the other side wall member being folded around and adhesively secured to said one panel and the main panel of the other side wall member; (h) said bottom wall member being formed entirely from material of said side wall members and being defined by a pair of curved opposed score lines each of which extends across a main panel and the panels immediately adjacent the main panel of each side wall member.