Patent ID: 8887945

Claim:
A foldable container module comprising: a body having: a bottom; an upper rim; and a sidewall formed from the bottom to the upper rim; a foldable container being a ring, and having: an inner edge; an outer edge, wherein a perimeter of the outer edge is greater than a perimeter of the inner edge; a panel connected to the outer edge and the inner edge; multiple folding line sets formed on the panel and extending from the inner edge to the outer edge, wherein each folding line set includes a first line segment and two second line segments, wherein the two second line segments are on opposite sides of the first line segment, and the two second line segments of each folding line set overlap each other such that the first line segment protrudes out of the panel to form multiple protrusions, and a portion of the panel between the two second line segments of each folding line set is laminated to the sidewall of the body; and a joint connected to the body and having an outer rim connected to the sidewall of the body.