Abstract: A dispensing valve for a resiliently deformable container includes a flange diaphragm having a sealing surface abutting a seating surface surrounding a dispensing opening in the cap. The flange diaphragm is retained against the seating surface at specific points, leaving portions of the flange diaphragm free to deform away from the seating surface. Thus, after the dispensing operation as the walls of the container try to return to their rest position, air can ingress into the container through the dispensing opening by forcing portions of the flange diaphragm away from the seating surface, to allow for quick and efficient venting of the container.

Abstract: A hand holdable, disposable dispension container of low cost construction, generally of plastic, for the dispensing of fluent, generally viscid materials, including processed foodstuff such as ketchup, relish, mustard and jams; creams, handcreams, lotions, colloidal solids such as toothpaste and the like, has a base portion on which the container is free standing, and a valved dispensing outlet located on a lower side face of the container, in underhung protected relation adjacent to the base, to permit downward dispensing of selected quantities of the contents without having to resort to invention of the container. The container incorporates a self-venting pressure balance capability. The container content is always located in the lower part of the container, due to the influence of gravity for immediate dispensing, by squeezing of the container walls, and making possible the dispensing of substantially all of the contents so that virtually none is wasted and thrown out with the container.