Laminated package material, method for manufacturing the same, and a package

(57) Summary book invention relates to the production method of milk, the cream, especially a suitable lamination packaging material to use it for the package in which heat sealing for liquid food like juice carton is possible, and the above-mentioned material, and the food package manufactured from the above-mentioned material. The above-mentioned material has oxygen and the fragrance prevention barrier layer of コアー of paper or a paperboard, EVOH, and polyamide, and; book invention, It is joined mutually directly, without the EVOH layer 5 and the polyamide layer 4 passing the Nakama adhesives layer, and a barrier layer and コアー 3 are characterized by being inserted among the polymer heat-sealing layers 2 and 7 of both sides of the above-mentioned material. At least, the material of the above-mentioned barrier layers 4 and 5 touches mutually, and is arranged in a molten state, and the above-mentioned material is manufactured by extrusion which is turned to コアー 3 as one web.