Title:
BASE PAPER ROLL SUPPLY DEVICE, BASE PAPER ROLL SUPPLY METHOD, AND DEVICE FOR MANUFACTURING CARDBOARD SHEET
Document Type and Number:
WIPO Patent Application WO/2021/246135
Kind Code:
A1
Abstract:
Provided are a base paper roll supply device, a base paper roll supply method, and a device for manufacturing a cardboard sheet, the base paper roll supply device comprising: a first mill roll stand rotatably supporting a rear-liner base paper roll and a rear-liner replacement base paper roll; a second mill roll stand rotatably supporting a core base paper roll and a core replacement base paper roll; and a third mill roll stand rotatably supporting a front-liner base paper roll and a front-liner replacement base paper roll. The first mill roll stand, the second mill roll stand, and the third mill roll stand are arranged in order along a supply direction in which the rear liner, the core, and the front liner are supplied. At the first mill roll stand, the rear-liner replacement base paper roll is arranged at an upstream side in the supply direction with respect to the rear-liner base paper roll, and at the third mill roll stand, the front-liner replacement base paper roll is arranged at a downstream side in the supply direction with respect to the front-liner base paper roll.
Inventors:
MIZUTANI HIDEKI (JP)
Application Number:
PCT/JP2021/018358
Publication Date:
December 09, 2021
Filing Date:
May 14, 2021
Export Citation:
Assignee:
MITSUBISHI HEAVY IND MACH SYSTEMS LTD (JP)
International Classes:
B65H19/18; B31F1/00
Foreign References:
| JP2012158430A | 2012-08-23 | |||
| JP5675394B2 | 2015-02-25 |
Attorney, Agent or Firm:
SAKAI INTERNATIONAL PATENT OFFICE (JP)
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