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Individual
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Individual
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Priority to ES0243806ApriorityCriticalpatent/ES243806A1/en
Publication of ES243806A1publicationCriticalpatent/ES243806A1/en
Improvements in hermetic closures for containers, characterized pro comprise, in combination, a pair of hollow elements adjustable and open at one end one of said elements in its mouth or open end has a peripheral edge and the other of said elements in the mouth has a peripheral edge to adjust removably and frictionally on the above-mentioned edge, at least one of said elements has at least the surface area of support between the edge and the rim integrally formed by polyethylene obtained under reduced pressure, to provide an effective means of packing between the edge and the flange. (Machine-translation by Google Translate, not legally binding)
ES0243806A1958-08-261958-08-26Improvements in hermetic closure for containers (Machine-translation by Google Translate, not legally binding)
ExpiredES243806A1
(en)