Title:
段ボールシートの不良検出装置及び段ボールシートの不良除去装置並びに段ボールシートの製造装置
Document Type and Number:
Japanese Patent JP7049843
Kind Code:
B2
Abstract:
To provide a defect detection device of a corrugated cardboard sheet, a defect removal device of the corrugated cardboard and a manufacturing device of the corrugated cardboard sheet, capable of easily verifying a defective corrugated cardboard sheet by discriminating between the corrugated cardboard sheet that has become defective due to deformation of a peak of a corrugation and the corrugated cardboard sheet that has a paper joint part.SOLUTION: The device comprises: a paper joint part detection device 57 for detecting a paper joint part of a rear liner C and a paper joint part of a core B; a core defect detection device 59 for detecting a shape defect of the core B; and a determination device 60 for discriminating between the shape defect of the core B in the paper joint part and the shape defect of the core B in a region excluding the paper joint part, based on a detection result of the paper joint part detection device 57 and the detection result of the core defect detection device 59.SELECTED DRAWING: Figure 3
Inventors:
Takemoto Shuichi
Fukushige Naoyuki
Fukushige Naoyuki
Application Number:
JP2018013921A
Publication Date:
April 07, 2022
Filing Date:
January 30, 2018
Export Citation:
Assignee:
Mitsubishi Heavy Industries Machinery Systems Co., Ltd.
International Classes:
B31F1/28
Domestic Patent References:
| JP2010158902A | ||||
| JP62279931A | ||||
| JP2004256305A | ||||
| JP61277558A | ||||
| JP2018002341A |
Foreign References:
| US20090060316 |
Attorney, Agent or Firm:
Sakai International Patent Office
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