Heat insulating cardboard container and blank for constructing the same
A paper box is provided which includes an outer box (1), an inner box (3) and an upper lid (2). The outer box, inner box and the upper lid are doubly structured. The inner box is fitted into the outer box and the upper lid is fitted onto the inner box. The paper for the boxes may be surface treated...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A paper box is provided which includes an outer box (1), an inner box (3) and an upper lid (2). The outer box, inner box and the upper lid are doubly structured. The inner box is fitted into the outer box and the upper lid is fitted onto the inner box. The paper for the boxes may be surface treated corrugated cardboard or made from paper materials that do not leak water without the surface treatment. The papers may be cut into a specified form and folded to form the box. |
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