Patent ID: 9656715
Date: 2017-05-23
CPC Classifications: B31D,B62K

Claim:
1. A planar structure comprising: two or more, generally elongated elements that are angled with respect to one another in a plane defined by the planar structure integral with one another, and formed from a planar multi-layered cardboard-based piece, that is constituted by a single cardboard sheet folded about a longitudinal reinforcing member to firmly embrace and close around the longitudinal reinforcing member to define a fold region at an edge of the planar multi-layered cardboard-based piece, the planar structure being cut out as an integral planar structure from the planar multi-layered cardboard-based piece such that at least a first element of said two or more elongated elements extends along and comprises the fold region, the planar structure further comprising a cardboard support element extending between said first and at least one other of the elongated elements.