Unitary disposable chair formable from fiberboard in one machine pass, with comfort-contoured inner reinforcement

Abstract From the Canadian patent

This chair folds flat for storage and shipment or, unfolds and sets up for use, in only a few (e. g. three to five) seconds. Even though it is strong and stable the, chair can be made from one simple blank of five rectangular panels, two smaller panels and a glue tab using only two, glue joints. Its lower part a rectangular glued tube, has, a vertical seat-support panel across the inside parallel, to two of the outer walls -- so the support panel though, preglued in place, folds and unfolds with the tube. The upper part of the chair is an extension of the tube but, the front panel folds inward, backward and downward to, form a seat that spans the tube supported by the front and, …