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1. (WO2017154344) CUTTING DEVICE AND PLY CUTTING METHOD USING SAME

Pub. No.:    WO/2017/154344    International Application No.:    PCT/JP2017/000947
Publication Date: Fri Sep 15 01:59:59 CEST 2017 International Filing Date: Sat Jan 14 00:59:59 CET 2017
IPC: B29D 30/46
Applicants: SUMITOMO RUBBER INDUSTRIES, LTD.
住友ゴム工業株式会社
Inventors: TAKAI Yuichi
高井 雄一
Title: CUTTING DEVICE AND PLY CUTTING METHOD USING SAME
Abstract:
A ply for a tire is accurately cut off. Provided is a cutting device 1 for cutting off a ply 10 for a tire in which a plurality of codes 12 arranged in parallel at regular intervals is covered with unvulcanized topping rubber 14. The cutting device 1 is provided with: an interval expanding means 2 for pressing the ply 10 from a side of a second surface 10b to a side of a first surface 10a to stretch the ply 10 to the side of the first surface 10a and expand the interval of the codes 12; and a ply cutting means 3 for cutting off a stretched part of the ply 10 along the codes 12, the ply cutting means 3 being disposed on the side of the first surface 10a of the ply 10.