Double-layer paper box with polyurethane foam
September 08, 2022
The principal applicant of the double-layer paper packaging box with polyurethane foam,Main Classification Number B65D81/03 Classification No. B65D81/03 Sub-division Original Application No. Priority Abstracts This application relates to a double-layer paper packaging with polyurethane foam. box. It includes an outer carton, an inner carton, an inner lid, a polyurethane foam sandwich, a strap, a handle, and a handle; a packing strap for binding and a strap for handling are arranged inside the case, and the sandwich body is set outside Between the carton and the inner carton, the polyurethane foam is foamed into an integral body between the inner and outer carton. The use of cardboard boxes instead of wooden boxes, its low cost, light weight, low transport costs, protection of the forest and ecological environment, the box is simple in structure, easy to make, has a good hard, elastic and pressure resistance, easy to use, practical, The packaging has good protection performance, which can avoid the economic loss caused by the product being easily crushed and destroyed during transportation. It is suitable for the packaging of non-ferrous metal products, metal products, expensive products and fragile and fragile products. Sovereignty item 1. A double-layer paper packaging box with polyurethane foam, characterized in that: A. The double-paper packaging box with polyurethane foam is an outer paper box (1) including a lid, foam plastic. Inner cover (2), inner carton (3), sandwich body (4), packing strap (5), end hand (6) and handle (7); B, said sandwich body (4) is polyurethane foam The sandwich body.
