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US 9,010,150 B2Granted
Vial and method for producing the same
AssigneeNipro Corporation
InventorsHideo Kuwabara, Hideki Yamauchi, Yoshitaka Ishimi, Shinichiro Senga
Life of this patent
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Abstract
A method for producing a vial with low alkali elution by removing a deteriorated region caused by processing on an internal surface of a vial is disclosed. The method is for forming vials from borosilicate glass tubes with a bottom wherein an internal surface of the tube is fire-blasted with a flame.
Claims17
A method for treating a borosilicate glass tube with a closed end wherein an internal surface of the tube is fire-blasted with a flame.
Dependencies are inferred from the claim text.