Circular food container with double sealing structure

Abstract

The invention relates to a circular food container with double sealing structure comprises: a circular container body having an upward opening, a periphery of the upward opening outward folded to from a lower U-shaped body and the lower U-shaped body having an inner side surface forming a first sealing groove and an outer side surface forming a second sealing groove; and a circular cover having a downward opening, a periphery of the downward opening having an upper U-shaped body for fitting to each other, the upper U-shaped body having an inner side surface forming a third sealing groove and an outer side surface forming a fourth sealing groove for forming a double sealing structure of the inner side and outer side surfaces of the upper U-shaped body and lower U-shaped body.

What is claimed is: 
     
         1 . A circular food container with double sealing structure, comprising:
 a circular container body having an upward opening, a periphery of the upward opening outward folded to from a lower U-shaped body and the lower U-shaped body having an inner side surface forming a first sealing groove and an outer side surface forming a second sealing groove; and   a circular cover corresponding to the circular container body having a downward opening, a periphery of the downward opening corresponding to the lower U-shaped body of the circular container body having an upper U-shaped body for fitting to each other, the upper U-shaped body having an inner side surface corresponding to the first sealing groove forming a third sealing groove and an outer side surface corresponding to the second sealing groove forming a fourth sealing groove for forming a double sealing structure of the inner side and outer side surfaces of the upper U-shaped body and lower U-shaped body.   
     
     
         2 . The circular food container with double sealing structure as claimed in  claim 1 , wherein the first sealing groove and third sealing groove and the second sealing groove and fourth sealing groove are respectively located at different height position of the inner side surface and the outer side surface. 
     
     
         3 . The circular food container with double sealing structure as claimed in  claim 2 , wherein the circular cover includes a first annular groove between a wall surface thereof and the upper U-shaped body and a second annular groove on a surface thereof. 
     
     
         4 . The circular food container with double sealing structure as claimed in  claim 3 , wherein the upper U-shaped body has a pull tab at an outer side thereof. 
     
     
         5 . The circular food container with double sealing structure as claimed in  claim 4 , wherein the upper U-shaped body of the circular cover includes a flange surface outwardly and horizontally extending from an outside bottom thereof. 
     
     
         6 . The circular food container with double sealing structure as claimed in  claim 1 , wherein the circular container body and circular cover include wave bodies on wall surfaces thereof.