Insulation Paper Cup

Abstract

An insulation paper cup, which mainly comprises an inner cup, intermediate layer and external cardboard; the inner cup is provided with a bottom at one end and an opening at the other end, and the opening is fitted with a flange; the intermediate layer made of PLA foaming materials is arranged at periphery of the inner cup, while the external cardboard is adhered onto the intermediate layer and printed with letters or patterns; with this combined structure, the insulation paper cup features excellent heat/cold insulation and non-condensing effect; due to the characteristics of PLA such as: natural property, non-toxicity, recyclability and environmental friendliness, the product can be recycled without causing any disposal problems and any burden on the environment.

1 . An insulation paper cup, comprising:
 an inner cup, which is provided with an opening at one end and a sealed hollow cylinder at the other end to accommodate the liquid;   an intermediate layer, formed within the space between the inner cup and external cardboard, made of PLA foaming materials and processed into an insulation structure; and   an external cardboard, made of paper, integrally covered onto the periphery of the inner cup to form a protective structure.   
     
     
         2 . The insulation paper cup as claimed in  claim 1 , wherein said intermediate layer is processed by means of injection molding and lamination. 
     
     
         3 . The insulation paper cup as claimed in  claim 1 , wherein said external cardboard is printed with aesthetically pleasing patterns, letters and colors.