Dispenser

Abstract

A dispenser includes a body having a lower portion and an upper portion. The lower portion of the body is substantially dome-shaped. The lower portion of the body has a first density. The upper portion of the body defines an internal volume. The internal volume is configured to receive a composition that has a second density that is less than the first density.

1 . A dispenser, comprising:
 a body comprising:
 a lower portion that is substantially dome-shaped, wherein the lower portion of the body has a first density the body being configured so that, in response to being tilted, the body rocks back and forth until the body returns to an upright state; 
 an upper portion that defines an internal volume, wherein the internal volume is configured to receive a composition that has a second density that is less than the first density; 
 a neck that extends upward from the upper portion, the neck having a concave contour; and 
 a lid coupled to the upper portion of the body, wherein the lid id formed with a convex contour. 
   
     
     
         2 . The dispenser of  claim 1 , wherein the composition comprises a dentifrice composition. 
     
     
         3 . The dispenser of  claim 1 , wherein an area of an outer surface of the lower portion of the body, that is in contact with a surface on which the body sits, is less than or equal to 1 cm 2 . 
     
     
         4 . (canceled) 
     
     
         5 . The dispenser of  claim 1 , further comprising a coating on an inner surface of the upper portion of the body, wherein a coefficient of friction between the composition and the coating is less than a coefficient of friction between the composition and the inner surface of the upper portion of the body. 
     
     
         6 . The dispenser of  claim 1 , wherein the lower portion of the body comprises an insert that is coupled to the body. 
     
     
         7 . (canceled) 
     
     
         8 . A dispenser, comprising:
 a body comprising:
 a lower portion that is substantially conical with a cross-sectional width that increases proceeding away from a lowermost point; and 
 an upper portion, wherein the lower portion, the upper portion, or both define an internal volume that is configured to receive a composition through an opening in the body. 
   
     
     
         9 . The dispenser of  claim 8 , wherein the composition comprises a dentifrice composition. 
     
     
         10 . The dispenser of  claim 8 , wherein the upper portion of the body is substantially conical with a cross-sectional width that decreases proceeding away from the lowermost point. 
     
     
         11 . The dispenser of  claim 8 , wherein the body is configured to spin about a central longitudinal axis through the body, and wherein the lowermost point is the only point on the body that contacts a surface on which the body sits when the body is spinning. 
     
     
         12 . The dispenser of  claim 11 , further comprising a coating on an inner surface of the body, wherein a coefficient of friction between the composition and the coating is less than a coefficient of friction between the composition and the inner surface of the body. 
     
     
         13 . The dispenser of  claim 11 , wherein the body comprises a widest portion between the lower and upper portions, and wherein the lowermost point and the widest portion contact the surface on which the body sits when the body is not spinning. 
     
     
         14 . The dispenser of  claim 8 , wherein the lower portion comprises an insert that is coupled thereto, wherein the insert comprises the lowermost point. 
     
     
         15 . A method for manufacturing a dispenser, comprising:
 forming a body having an internal volume;   forming an insert having a width that increases proceeding away from a lowermost point;   coupling the insert to a lower portion of the body; and   introducing a composition into the internal volume of the body.   
     
     
         16 . The method of  claim 15 , wherein forming the body comprises blow-molding a first polymer. 
     
     
         17 . The method of  claim 16 , wherein forming the insert comprises injection-molding a second polymer. 
     
     
         18 . The method of  claim 15 , wherein the insert is made of a different material than the body. 
     
     
         19 . The method of  claim 15 , wherein the insert is substantially dome-shaped and has a first density, and wherein the body, the composition, or both has a second density that is less than the first density. 
     
     
         20 . The method of  claim 15 , wherein the insert is substantially conical.