Folding lunch box
A lunch box and folding seam technology, which is applied in the field of daily utensils, can solve the problems of large volume and shape of the lunch box, fixed volume of the lunch box, etc., and achieves the effect of small size and easy portability.
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[0016] The present invention will be further described below through specific embodiments.
[0017] The outer box (1) of the folded lunch box is made of plastic, and the structure is a lunch box bottom plate. The four sides of the bottom plate are connected to the four outer box side walls (5). The bottom surface of the outer box (1) and each side wall (5) intersect the side There are folding seams on the top, and each side wall (5) can be unfolded. A long packaging belt (2) is arranged on the side wall (5) of the outer box, and the packaging belt (2) is an elastic belt for fixing the shape of the outer box after the meal is packed. The outer box is provided with an inner box (3) made of non-toxic thin plastic for food, the side length of the inner box (3) is smaller than the outer box (1), and the inner box (3) can be folded. A lunch box cover (4) is arranged on the upper part of the outer box (1), and the size of the lunch box cover (4) is matched with the outer box.
[0018] W...
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