A top wall for closing an upper opening of a rectangular frame is formed continuously with an upper edge of a side wall disposed on one side of a row consisting of four side walls. An upper flap having a supporting wall is folded to form one article supporting section on an upper edge of a side wall...http://www.google.es/patents/US5494166?utm_source=gb-gplus-sharePatente US5494166 - Container for holding elongated article
