公开(公告)号：US10732363B2

公开(公告)日：2020-08-04

申请号：US15541041

申请日：2017-03-16

申请人： KB SEIREN, LTD.

发明人： Yoshihiro Okamoto ,  Naoyuki Yasuda ,  Kiyomichi Ninomiya ,  Shuhei Watabe

IPC分类号： G02B6/38 ,  B08B1/00

摘要： The present disclosure provides a cleaning string for cleaning a tip end face of a single core optical connector, which contains a quite small residual amount of oil components and has a high wiping property without the attachment of oil components to the tip end face of a single core optical connector.Further, the present disclosure provides a method for producing a cleaning string for cleaning a connector which can suitably remove oil components adhering to a multifilament made of chemical fibers.A cleaning string for cleaning a connector formed by twisting plural multifilament made of chemical fibers, wherein a residual amount of oil components is 3 mg/g or less.A method for producing a cleaning string for cleaning a connector which comprises a step of removing oil components adhering to multifilament made of chemical fibers by washing with a surfactant-containing solution in a form of knitting, reel, or honeycomb wound before or after twisting plural multifilament made of chemical fibers, a step of washing with pure water, a step of drying and a step of unwinding the form.