Container for viscous materials

摘要

The container (11) structure, especially for a viscous material (28), has an outer container (12) has a valve (32), which can be accessed from the outside, to apply a pressure within it to force the outer side (23) of the inner container against the inner side (22) of the outer container. The outer and inner containers (12,13) are made of plastics, preferably polyethylene.