Greenblum & Bernstein, P.L.C.
Manufacturing method of syringe barrel
The present invention provides a manufacturing method of a syringe barrel capable of securing smoothness of a nozzle tip and productivity. A manufacturing method of a syringe barrel that is injection-molded from a nozzle tip comprises cutting a remaining gate at a nozzle part using an ultrasonic cutting apparatus having a mechanism for suppressing abnormal vibrations.
MITSUBISHI GAS CHEMICAL COMPANY, INC.
B B B B B A A B B B A A B B
B29C B26D B29C B29C B29C A61M A61M B26D B29K B26D A61M A61M B29C B29L
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Hisafumi Takashi
Ito Kashiba