Full closed superthin food container

technical field [0001] The invention relates to a fully sealed ultra-thin food container which can prevent food soup from leaking and has high compressive strength. Background technique [0002] Existing food containers, such as lunch boxes, picnic boxes, snack boxes, etc., are generally made of a lid and a box body, and food is contained in the box body, which can be carried around and is convenient for meals. [0003] In order to solve the problem of food soup overflowing and leaking during the carrying process, some lunch boxes are also provided with sealing devices, such as the sealed lunch boxes disclosed in patents such as Patent Nos. , buckle, screw and other locking mechanisms and sealing elements, these designs not only have the disadvantages of complex structure and high cost, but also are not suitable for plastic and paper fast food boxes. Patent No. 89218416 discloses a plastic blister fast food box, which adopts the self-locking structure of two concave-convex ...