A collapsible container having rigid bottom and top walls of equilateral polygonal shape, quadrilateral side walls laterally endlessly connected with each other and joined with the opposing sides of the top and bottom walls, and a dispensing mouth provided at the center of the top wall. The side walls...http://www.google.com/patents/US4147279?utm_source=gb-gplus-sharePatent US4147279 - Foldingly collapsible container and holder-stand therefor
