Katsushi Maeda,Junji Tashiro,Hiroaki Nakano,Eiji Yao
申请号:
US14244602
公开号:
US09452264B2
申请日:
2014.04.03
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A pre-filled syringe with excellent air-tightness and liquid-tightness and a mold for forming the gasket are provided. At least a surface of the mold for a gasket laminated with an inactive film for a pre-filled syringe 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.