A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
210/47
A61M 5/14 (2006.01)
Patent
CA 1074264
ABSTRACT OF THE DISCLOSURE A blow molded collapsible solution container having improved characteristics of collapsibility as shown. The container defines a body portion having an integral neck portion, and a semi-rigid shoulder portion at one end thereof, and is sealed at its end opposite said one end. The body portion defines, in its original, unstressed state, generally oval, transverse cross-sections adjacent said neck and shoulder portions,said cross-section tapering progressively along a major portion of its length to a flat, sealed end portion at said end of the container opposite to said one end. Transverse lines of folding weakness are defined along opposite edges of the shoulder portion to facilitate the collapse of said container. Gusset portions are defined in the body portion adjacent said shoulder portion and adjacent the ends of said transverse lines of folding weakness. The gusset portions include lines of flexing weakness to facilitate collapse of the container adjacent said shoulder portion, whereby the container collapses to a uniform flat configuration progressively from said opposite end toward said one end as the contents thereof are withdrawn through said neck portion. The transverse lines of folding weakness and gusset portions cause the container to collapse about the inner surface of said shoulder portion as the container empties, whereby the residual volume of the collapsed con-' tainer is minimal.
287905
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