Rigid container

Claim 1

A RIGID, LEAKPROOF, ONE-PIECE CONTAINER FOR RECEIVING, STORING AND DISPENSING FLOWABLE MATERIALS WHICH CONTAINER COMPRISES: (A) A RIGID CONTAINER BODY FORMED FROM A BLANK HAVING AS AN INTEGRAL PART THEREOF PORTIONS ADAPTED TO PROVIDE A CONCAVE TOP AND A CONCAVE BOTTOM; (B) SAID CONTAINER BODY HAVING A FOUR FACES AND ONE VERTICAL EDGE SEALED TO SAID TOP AND TO SAID BOTTOM AND AT LEAST TWO TRANSVERSE EDGES SEALED TO SAID TOP AND AT LEAST TWO TRANSVERSE EDGES SEALED TO SAID BOTTOM TO FORM AN INTERIORLY SUBSTANTIALLY STERILE CONTAINER; (C) TWO OPPOSING FACES OF SAID FOUR FACES HAVING A PLURALITY OF TRANSVERSE, PARALLEL, INWARDLY CURVING RIBS EXTENDING ACROSS THE ENTIRE SURFACE OF SAID FACES AND THE OTHER TWO FACES HAVING SAID RIBS EXTENDING OVER ONLY A SUBSTANTIAL PORTIONOF SAID FACES THEREBY PROVIDING A FLAT SURFACE SPACE FOR CONTAINER LABELING; (D) EACH OF SAID RIBS HAVING A PAIR OF MITERED ENDS IN CONTIGIOUS RELATION WITH AN ADJACENT MITERED RIB END; (E) EACH OF SAID MITERED RIB ENDS SO ARRANGED WITH RESPECT TO SAID ADJACENT RIBS THAT JOINTS THEREBETWEEN ARE RESISTANT TO DISTORTION, AND (F) SAID TOP OF SAID CONTAINER BEING PROVIDED WITH POURING MEANS.