Beverage container with easy label removal

Abstract

A beverage container or plastic bottle that allows easy label or film removal is provided. The beverage container includes a shoulder portion, a base portion, a body portion extending between the shoulder portion and the base portion, the body portion having a reinforcing concave rib circumferentially formed on the body portion, the concave rib having an asymmetrical shape at a vertical cross-section of the concave rib, and a heat shrink film disposed over the body portion, the heat shrink film having an edge disposed over the concave rib.

1 . A beverage container, comprising:
 a shoulder portion;   a base portion;   a body portion extending between the shoulder portion and the base portion, the body portion having a reinforcing concave rib circumferentially formed on the body portion, the concave rib having an asymmetrical shape at a vertical cross-section of the concave rib; and   a heat shrink film disposed over the body portion, the heat shrink film having an edge disposed over the concave rib.   
   
   
       2 . The beverage container of  claim 1 , wherein the concave rib has a maximum depth section at the innermost location of the body portion, an upper side surface extending from a top ridge of the concave rib toward the maximum depth section, and a lower side surface extending from a bottom ridge toward the maximum depth section, wherein one of the upper side surface and the lower side surface has a more gradual slope than the other one of the upper side surface and the lower side surface. 
   
   
       3 . The beverage container of  claim 2 , wherein the edge of the heat shrink film is disposed over the more gradual slope or the maximum depth section. 
   
   
       4 . The plastic bottle of  claim 2 , wherein the concave rib is formed more proximate to the shoulder portion than to the base portion, and the edge of the heat shrink film is an upper edge disposed over the lower side surface of the concave rib. 
   
   
       5 . The beverage container of  claim 4 , wherein the lower side surface and the maximum depth section are connected by an arc with a radius of curvature located outside of the container. 
   
   
       6 . The beverage container of  claim 2 , wherein the concave rib is formed more proximate to the base portion than to the shoulder portion, and the edge of the heat shrink film is a lower edge disposed over the upper side surface of the concave rib. 
   
   
       7 . The beverage container of  claim 2 , wherein the upper side surface and the lower side surface are flat surfaces. 
   
   
       8 . The beverage container of  claim 1 , wherein at least one of the shoulder portion and the base portion has a decorative design formed at a position away from the heat shrink film. 
   
   
       9 . The beverage container of  claim 1 , wherein the heat shrink film has perforations formed along a vertical direction. 
   
   
       10 . A beverage container, comprising:
 a shoulder portion;   a base portion;   a body portion extending between the shoulder portion and the base portion, the body portion having a reinforcing concave rib circumferentially formed on the body portion; and   a heat shrink film disposed over the body portion, the heat shrink film having an edge disposed over the concave rib and perforations extending from the edge,   wherein the concave rib allows a fingernail to be inserted therein and peel the heat shrink film along the perforations by the fingernail.