With the rapid development of the food delivery ordering industry, the demand for food boxes has increased sharply. The commonly used food delivery boxes have evolved from polyethylene food boxes to PE material food boxes. To save energy and protect the environment, paper food boxes are currently used in the market. However, the insulation performance of paper food boxes is poor. Due to the special nature of Chinese food, dishes often contain oil and water, and the high temperature of the pot, the food boxes often become soft, deformed, and leak oil, which is not conducive to the widespread promotion and application of paper food boxes. In addition, plastic food boxes are relatively sturdy and easy to stack and stack during transportation. Due to the limited insulation performance and compressive strength of existing food boxes, it is easy to cause problems such as bulging and lodging when stacking food boxes. Unable to meet the fast-paced demand for food delivery boxes in today's food delivery industry, And to meet the growing product demands of customers, there is an urgent need for a novel paper lunch box to solve the above problems and adapt to the rapidly developing demand for takeaway packaging.
A paper lunch box, comprising a box body and a box cover. The box body includes side wall panels and a bottom panel, and the box cover includes a cover panel and a top panel. The side wall panels and the cover panel are respectively provided with cylindrical protruding edges for clamping the box cover and the box body, and the side wall panels are provided with pressure relief ports. The bottom of the box is equipped with a hot-pressed sealing strip. Oil guide grooves are set between the oil-repellent grids. Oil-repellent grids are installed on the bottom plate. The top of the box cover is equipped with a receiving groove. The box body is an open-type box body. The bottom and cover plates are equipped with bamboo shoot shell leaf insulation layers. The side wall panel and cover plate are made of food-grade white card-coated cup paper. The folding part of the box body is equipped with elastic metal reinforcement ribs. The inner lining layer of the side wall panel is equipped with molded cross-shaped paper reinforcement ribs. A transparent window is set on the box cover, which is made of food-grade PE material. There is an embedded receiving groove on the side wall panel, which is located at the junction of the box cover and the box body so that the box cover can cover the receiving groove after being closed.
Paper meal boxes have the following beneficial effects: compared to traditional meal boxes, they have a novel structure, insulation, and leakage prevention, prevent the mixing and soaking of oil, soup, and rice during transportation from affecting taste, facilitate transportation and stacking, and resist lodging. They combine the advantages of paper boxes and plastic boxes to improve the promotion and popularization of environmentally friendly paper boxes and have outstanding significance in increasing consumers' acceptance of environmentally friendly paper boxes. It is also the demand for healthy and environmentally friendly tableware in today's fast-paced fast-food culture.