Resin-laminated rubber closure for a medical vial
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United States of America Patent
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-
Apr 10, 1990
Issued Date -
N/A
app pub date -
Apr 19, 1988
filing date -
May 28, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A resin-laminated rubber closure for a medical vial is provided herein. This closure comprises an annular leg part to be inserted into the mouth of the vial, which leg part is notched or cut at least at one position and a flange part to be contacted with the front surface of the vial mouth, wherein the outer and inner surfaces of the annular leg part is provided with a chemical-resistant resin film laminated thereon except for the upper end of the leg part so that the rubber surface is exposed at the upper end of said leg portion, and wherein the leg part has at least one protrusion on the outer surface of the laminated portion. The present invention also relates to a molding process for economically producing said closure.
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