Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hisafumi Ito0
Takashi Kashiba0
Date of Patent
March 5, 2019
0Patent Application Number
151076050
Date Filed
February 9, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
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.
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