Katsushi MAEDA,Junji Tashiro,Hiroaki Nakano,Eiji Yao
申请号：
US13598720
公开号：
US20130053786A1
申请日:
2012.08.30
申请国别(地区):
US
年份:
2013
代理人:
摘要：
The present invention aims to provide a gasket for a pre-filled syringe which has excellent air-tightness and liquid-tightness and a mold for forming the gasket. The present invention relate to a mold for a gasket laminated with an inactive film for a pre-filled syringe, wherein at least a surface of the mold which forms a seal sliding surface of an annular protrusion of the gasket is mirror finished to have an arithmetic mean roughness Ra of less than 0.03 μm.
