公开(公告)号：US20220324151A1

公开(公告)日：2022-10-13

申请号：US17849535

申请日：2022-06-24

Applicant: SWCC SHOWA CABLE SYSTEMS CO., LTD.

Inventor： Kengo TANABE ,  Junya HASUNUMA ,  Yuki OTA ,  Hitoshi SAITO

IPC: B29C48/151 ,  G02B6/44 ,  B29C48/09 ,  B29C48/88

Abstract: There is disclosed a production device for a loose tube-type optical cable in which an optical fiber bundle is housed in a tube. The production device includes: a resin extruder configured to extrude and coat a resin onto the optical fiber bundle; and a water tank configured to store cooling water for cooling the resin to form the tube, wherein: the resin extruder includes: an extruder die having an extrusion port for the resin; a pipe penetrating the extruder die; and an air pump mechanism configured to pump air to the pipe; and the water tank includes: a sizing die having an inlet, a passage port, and a suction port for the cooling water; and a cooling water suction mechanism configured to suck the cooling water from the sizing die.