Multi-layer corrugated board

The invention discloses a multi-layer corrugated board, and relates to the field of corrugated boards, the multi-layer corrugated board comprises a surface paper layer, a first corrugated paper layer, a middle paper layer, a second corrugated paper layer and a bottom paper layer, the first corrugate...

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Bibliographische Detailangaben
Hauptverfasser:	YAN ZHONGCHAO, SHEN JINCHUN, CHEN JIALIN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	IMPREGNATING OR COATING OF PAPER LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The invention discloses a multi-layer corrugated board, and relates to the field of corrugated boards, the multi-layer corrugated board comprises a surface paper layer, a first corrugated paper layer, a middle paper layer, a second corrugated paper layer and a bottom paper layer, the first corrugated paper layer and the second corrugated paper layer are wavy, a plurality of first wave crests and first wave troughs are formed on the first corrugated paper layer, and a plurality of second wave crests and second wave troughs are formed on the bottom paper layer. A plurality of second wave crests and second wave troughs are formed on the second corrugated paper layer; the first wave crest and the second wave crest correspond to each other and are longitudinally distributed, the first wave crest and the second wave crest correspond to each other and are longitudinally distributed, a supporting cylinder is arranged in the first wave crest, and the supporting cylinder supports the surface paper layer. The structural