The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 05, 2019
Filed:
Feb. 09, 2015
Applicant:
Mitsubishi Gas Chemical Company, Inc., Tokyo, JP;
Inventors:
Hisafumi Ito, Kanagawa, JP;
Takashi Kashiba, Kanagawa, JP;
Assignee:
MITSUBISHI GAS CHEMICAL COMPANY, INC., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61M 5/31 (2006.01); B26D 3/00 (2006.01); B26D 7/08 (2006.01); B29C 45/38 (2006.01); B29C 45/00 (2006.01); B29C 45/16 (2006.01); B29L 31/00 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
A61M 5/31 (2013.01); A61M 5/3129 (2013.01); B26D 3/00 (2013.01); B26D 7/08 (2013.01); B26D 7/086 (2013.01); B29C 45/0025 (2013.01); B29C 45/38 (2013.01); A61M 2205/02 (2013.01); A61M 2207/00 (2013.01); B29C 45/16 (2013.01); B29C 2045/0027 (2013.01); B29C 2793/009 (2013.01); B29K 2023/38 (2013.01); B29L 2031/7544 (2013.01);
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.