Lunch box
A lunch box and box body technology, which is applied to travel or camping equipment, home appliances, travel bags, etc., can solve the problem of single function of the lunch box, and achieve the effect of simple structure and convenient use
Inactive Publication Date: 2012-07-04
姚赛花
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Problems solved by technology
[0002] Portable lunch boxes are common supplies for outdoor activities such as field workers, troops, tourists, students, etc., but the existing lunch boxes have single functions and cannot meet people's needs
Method used
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Embodiment Construction
[0011] Such as figure 1 As shown, a kind of lunch box described in the embodiment of the present invention comprises a box body 1, and the box body (1) is divided into three layers, the inner layer is a glass liner 2, the middle layer is a vacuum 3, and the outer layer is polyethylene plastic 4. The inner layer glass liner 2 and the vacuum layer 2 play a thermal insulation effect, and the outer layer is a polyethylene plastic 4 and has a shatterproof function.
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The invention relates to a lunch box. The lunch box comprises a box body, wherein the box body is divided into three layers; the inner layer is formed by a glass liner; the middle layer is vacuum; and the outer layer is formed by polyethylene plastics. The lunch box has the following beneficial effects: the lunch box has simple structure, is convenient to use and can keep warm and prevent breakage.
Description
technical field [0001] The invention relates to a lunch box. Background technique [0002] Portable lunch boxes are the usual supplies for outdoor activities such as field operators, troops, tourists, students, etc., but the existing lunch boxes have single functions and cannot satisfy people's needs. Contents of the invention [0003] The purpose of the present invention is to overcome above-mentioned said deficiency and provide a kind of heat preservation lunch box with simple structure. [0004] The purpose of the present invention is to realize through the following technical solutions: [0005] A lunch box includes a box body, the box body is divided into three layers, the inner layer is a glass liner, the middle layer is vacuum, and the outer layer is polyethylene plastic. [0006] The beneficial effects of the invention are: the structure is simple, the use is convenient, and the lunch box can not only keep warm but also be shatterproof. Description of drawings ...
Claims
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IPC IPC(8): A45F3/16
Inventor 姚赛花
Owner 姚赛花
