Plastic Ampule
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United States of America Patent
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Oct 7, 2013
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Apr 6, 2011
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Abstract
A plastic ampule of the present invention is composed of a single layer of a plastic layer consisting only of a cyclic polyolefin with a glass transition temperature of 50° C. to 104° C.; integrally includes an ampule body formed in a bottle shape with a top part and a bottom part and having a bung for discharging a drug solution on the top part, a cap attached to the ampule body so as to seal the bung, and a thinner part having a layer thickness thinner than those of the ampule body and the cap, formed along a circumferential direction of the bung and connecting between the ampule body and the cap; and is opened by breaking off or twisting off the thinner part as a cutting part between the ampule body and the cap.
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