Insulated eco-friendly meal box

Abstract

An insulated eco-friendly meal box includes a box body, an accommodating chamber formed on the box body and having an upwardly facing opening, a cover body rotatably installed to an edge of the box body and capable of covering the accommodating chamber, a latch disposed on a sidewall of the cover body, a latch groove formed on a sidewall of the box body and configured to be corresponsive to the latch, and the box body and the cover body being made of a meal box paper, and the meal box paper being formed by sequentially stacking a first cardboard layer, a corrugated paper and a second cardboard layer, and a first waterproof layer being formed on a surface of the second cardboard layer and disposed between an inner surface of the accommodating chamber and a lower surface of the cover body.

What is claimed is: 
     
         1 . An insulated eco-friendly meal box, comprising a box body, an accommodating chamber formed on the box body and having an upwardly facing opening, an edge of the box body rotatably installed to a cover body capable of covering the accommodating chamber, a latch disposed on a sidewall of the cover body, a latch groove formed on a sidewall of the box body and configured to be corresponsive to the latch, and the box body and the cover body being made of a meal box paper, and the meal box paper being formed by sequentially stacking a first cardboard layer, a corrugated paper and a second cardboard layer, and a first waterproof layer being formed on a surface of the second cardboard layer and disposed between an inner surface of the accommodating chamber and a lower surface of the cover body. 
     
     
         2 . The insulated eco-friendly meal box as claimed in  claim 1 , wherein the first cardboard layer and/or the second cardboard layer are made of coated paper. 
     
     
         3 . The insulated eco-friendly meal box as claimed in  claim 1 , wherein the first waterproof layer is a PE lamination layer. 
     
     
         4 . The insulated eco-friendly meal box as claimed in  claim 1 , wherein the box body and the cover body are formed by bending the same meal box paper. 
     
     
         5 . The insulated eco-friendly meal box as claimed in  claim 1 , further comprising a crease mark formed at a junction of the box body and the cover body. 
     
     
         6 . The insulated eco-friendly meal box as claimed in  claim 1 , wherein the corrugated paper is an F-shaped corrugated paper. 
     
     
         7 . The insulated eco-friendly meal box as claimed in  claim 1 , wherein the first cardboard layer has a second waterproof layer formed on a surface thereof. 
     
     
         8 . The insulated eco-friendly meal box as claimed in  claim 7 , wherein the second waterproof layer is a PE lamination layer.