Patent ID: 7735940
Filing Date: 2010-06-15
Classification: A47B,A47C,B32B

Abstract:
1. A piece of furniture comprising a volume-adjustable frame made of a volume-adjustable unit, wherein the volume-adjustable unit comprises a first layer, a second layer, and multiple inner paper layers disposed between the first and second layers, each inner paper layer has two opposing sides, and each of the two opposing sides is adhered to an adjacent layer of the each inner paper layer through an adhesive layer, the adhesive layer comprises multiple adhesive strips, wherein the multiple adhesive strips are spaced apart from each other, are substantially parallel and are arranged in such a way that each section of the each inner paper layer adheres to at most one adjacent layer on one of the two opposing sides through an adhesive strip, whereby multiple hexagonal columns are formed by the inner paper layers as the unit is stretched out, wherein the volume-adjustable unit can be stretched out such that the overall size and shape of the piece of furniture can be reconfigured and can be returned to its non-stretched state without permanent deformation.