DEVICE AND METHOD FOR ELIMINATING A DEFECTIVE SHEET, AND DEVICE FOR PRODUCING CARDBOARD SHEET

A device and method for eliminating defects in a sheet, a device for controlling the elimination of defects in a sheet, and a device for producing a cardboard sheet, wherein there are provided: a defect detection device (51) that detects the position of defective parts (R) in a core paper (B1, B2);...

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Bibliographische Detailangaben
Hauptverfasser:	FUKUSHIGE, Naoyuki, TAKEMOTO, Shuichi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNERANALOGOUS TO PAPER MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD ORMATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER PACKING PERFORMING OPERATIONS STORING TRANSPORTING WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUSTO PAPER
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Beschreibung
Zusammenfassung:	A device and method for eliminating defects in a sheet, a device for controlling the elimination of defects in a sheet, and a device for producing a cardboard sheet, wherein there are provided: a defect detection device (51) that detects the position of defective parts (R) in a core paper (B1, B2); a slitter/scorer (24) that cuts a continuous double-sided cardboard sheet (E) along a transport direction, to a prescribed width; a cutoff (26) that cuts off a plurality of continuous double-sided cardboard sheets (E1, E2) along a width direction to a prescribed length, the continuous double-sided cardboard sheets (E1, E2) having been cut to the prescribed width; a web director (25) that distributes the plurality of continuous double-sided cardboard sheets (E1, E2) to respective conveyance tables (41, 42); a defective-product-eliminating device (27) that eliminates plate-shaped double-sided cardboard sheets (F1, F2) from a conveyance line; and a control device (52) that specifies the plate-shaped double-sided cardboard sheets (F1, F2) having defective parts (R) on the basis of the position of the defective parts (R) and the width-direction cutting position on the continuous double-sided cardboard sheets (E1, E2), and operates the defective-product-eliminating device (27) handling the plate-shaped double-sided cardboard sheets (F1, F2).