Inner support of packaging box
The utility model provides an inner support of a packaging box, which is made of a corrugated paperboard. The corrugated paperboard comprises a supporting main body. The height of the supporting main body is equal to the height of the packaging box. A left side wing and a right side wing which form...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides an inner support of a packaging box, which is made of a corrugated paperboard. The corrugated paperboard comprises a supporting main body. The height of the supporting main body is equal to the height of the packaging box. A left side wing and a right side wing which form a symmetric structure extend from the upper parts of the two sides of the supporting main body. After the left side wing and the right side wing are folded towards one side, the left side wing and the right side wing are in contact with the inner wall of the packaging box. A left side and a right side which form a symmetric structure extend from the lower parts of the two sides of the supporting main body. After the left side and the right side are folded towards one side, the left side and the right side are in contact with the inner wall of the packaging box. By adopting the structure, the inner support of the packaging box can support the packaging box in box width directions, box length directions and a vertica |
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