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1. (WO2018003490) DEVICE FOR DETECTING SPLICES ON CORRUGATED CARDBOARD SHEET, DEVICE FOR MANUFACTURING CORRUGATED CARDBOARD SHEET, AND CORRUGATED CARDBOARD SHEET

Pub. No.:    WO/2018/003490    International Application No.:    PCT/JP2017/021857
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Wed Jun 14 01:59:59 CEST 2017
IPC: B65H 21/00
B31F 5/04
B65H 26/02
Applicants: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.
三菱重工機械システム株式会社
Inventors: OGINO, Akira
荻野 章
FUKUSHIGE, Naoyuki
福重 直行
OKIHARA, Toshinao
沖原 利直
Title: DEVICE FOR DETECTING SPLICES ON CORRUGATED CARDBOARD SHEET, DEVICE FOR MANUFACTURING CORRUGATED CARDBOARD SHEET, AND CORRUGATED CARDBOARD SHEET
Abstract:
A device for detecting splices on a corrugated cardboard sheet, a device for manufacturing a corrugated cardboard sheet, and a corrugated cardboard sheet are provided. The device for detecting splices on a corrugated cardboard sheet is provided with: a marking device (51) that uses a visualizing agent that becomes invisible after a specified period of time set in advance elapses after bonding of a front liner (A), a corrugated inner core (B), and a back liner (C), to apply a mark (M) to each splice (90) on the front liner (A), the inner core (B), and the back liner (C); a mark detection device (52) that detects the mark (M) applied by the marking device (51) before the specified period of time elapses; and a control device (53) that controls the marking device (51) and the mark detection device (52).