Corrugated board with high bearing capacity
The utility model discloses a corrugated board with strong bearing capacity, which belongs to the field of packaging materials and comprises a paperboard I and a paperboard II, air-blowing films are respectively adhered to the corresponding surfaces of the paperboard I and the paperboard II, corruga...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a corrugated board with strong bearing capacity, which belongs to the field of packaging materials and comprises a paperboard I and a paperboard II, air-blowing films are respectively adhered to the corresponding surfaces of the paperboard I and the paperboard II, corrugated paper cores are fixedly connected to the other sides of the air-blowing films, a buffer paper core is fixedly connected to the bottom surface of the paperboard II, and the buffer paper core is fixedly connected to the bottom surface of the paperboard II. The other side of the buffering paper core is fixedly connected with a third paper board, the bottom face of the third paper board and the top face of the first paper board are both coated with waterproof coatings, and channels are formed in the bottom face of the third paper board and the top face of the first paper board respectively. According to the corrugated board, the purpose of fully improving the supporting strength of the corrugated board can be achie |
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