Food packaging bag with heat preservation structure

Abstract

The invention discloses a food packaging bag with the heat preservation structure. The packaging bag comprises a packaging bag body, the packaging bag body is composed of first high-purity composite aluminum foil cloth, a PE air bag, a second high-purity composite aluminum foil cloth and a PET thin film; the PE air bag is in glued connection to the position between the first high-purity compositealuminum foil cloth and the second high-purity composite aluminum foil cloth, the PET thin film is arranged on the inner surface of the second high-purity composite aluminum foil cloth, and a second seal groove block and a second seal strip are in glued connection to the front end and the rear end of the inner surface of the packaging bag body correspondingly. According to the food packaging bag with the heat preservation structure, circular use is achieved while the food is subjected to heat preservation conveniently and convenience is brought to the user, the waste of the food packaging bagis reduced, when the packaging bag is placed on a table top, the stability effect is improved, the condition that due to toppling of the packaging bag, the food falls off is avoided, the user can conveniently folds and stores the packaging bag, and the use experience of the food packaging bag is better.

Description

technical field [0001] The invention relates to the field of food packaging bags, in particular to a food packaging bag with a thermal insulation structure. Background technique [0002] It is very important for people to keep the food they buy or carry in winter. At present, the insulation lunch box can keep food warm. The box is used for box lunch and western food delivery and storage. It is also an indispensable item in the fast food industry. However, the insulated lunch box is large and inconvenient for users to take and carry. When users go out to buy cooked food It is also unrealistic to always carry a lunch box for breakfast or cakes, and people are already warm and cold when they go out to buy breakfast or the cakes have not yet reached their destination, which not only reduces the taste of breakfast, but also hurts people's stomach after eating a warm and cold breakfast. It will be uncomfortable and cannot guarantee people's health, so it is very necessary to use ...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a food packaging bag with a thermal insulation structure. The food packaging bag with a thermal insulation structure can keep food warm and bring convenience to users, and can also be recycled. It can reduce the waste of food packaging bags, and improve the stability of the packaging bags when they are placed on the table, avoiding the occurrence of food falling out due to the packaging bags tipping over, and it is also convenient for users to fold and store the packaging bags for carrying, so that The food packaging bag has a better experience

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