Portable thermos receptacles

Abstract

The portable thermos receptacle has a receptacle main body containing an inner shell, an outer shell and a heat-insulating section defined between the inner shell and the outer shell, and a cover removably applied to an opening of the receptacle main body. The thermos receptacle has on the outer shell non-slip means over a zone covering both a center of gravity when the receptacle is full and a center of gravity when the receptacle is empty. The portable thermos receptacle has a cylindrical shape which reduces toward the top or bottom. The non-slip means is a recess, ridge or corrugated portion which is formed integrally with the outer shell or a synthetic resin non-slip member attached to the outer shell.

1 . A portable thermos receptacle comprising: 
 a receptacle main body containing an inner shell, an outer shell and a heat-insulating section defined between the inner shell and the outer shell; and    a cover removably applied to an opening of the receptacle main body;    the outer shell having non-slip means over a zone covering both a center of gravity when the thermos receptacle is full and a center of gravity when the thermos receptacle is empty.    
     
     
         2 . The portable thermos receptacle according to    claim 1    having a cylindrical shape which reduces gradually toward the top or bottom.  
     
     
         3 . The portable thermos receptacle according to    claim 1   , wherein the non-slip means is a recess formed integrally with the outer shell.  
     
     
         4 . The portable thermos receptacle according to    claim 1   , wherein the non-slip means is a ridge formed integrally with the outer shell.  
     
     
         5 . The portable thermos receptacle according to    claim 1   , wherein the non-slip means is a corrugated portion formed integrally with the outer shell.  
     
     
         6 . The portable thermos receptacle according to    claim 1   , wherein the non-slip means is a synthetic resin non-slip member attached to the outer shell.  
     
     
         7 . The portable thermos receptacle according to    claim 1   , wherein the non-slip member has ribs formed on the surface.  
     
     
         8 . The portable thermos receptacle according to    claim 1   , wherein the non-slip member has protrusions formed on the surface.