Small capacity container for viscous substance

Abstract

Provided is a small capacity container for viscous substance, which is capable of quickly discharging a viscous content at any time even when being held upside down or almost upside down. In the small capacity container of not more than 300 ml to contain a viscous substance, a region for quickly discharging the content and a region for slowly discharging the content during the container is held upside down are formed on the inner surface of the barrel portion of the container.

1 . A small capacity container for containing viscous substance, having a capacity of not more than 300 ml, the container includes a barrel portion having an inner surface provided with a region for quickly discharging a content and a region for slowly discharging the content in the container being held upside down. 
     
     
         2 . The small capacity container for viscous substance according to  claim 1 , wherein the inner surface of the barrel portion of the container has an odd-shaped longitudinal cross section having an asymmetrical shape to form the region for quickly discharging the content and the region for slowly discharging the content. 
     
     
         3 . The small capacity container for viscous substance according to  claim 1 , wherein a liquid film of a lubricating liquid to improve a slide-down property with respect to the viscous substance is formed on the inner surface of the barrel portion of the container, the liquid film has an uneven thickness in a circumferential direction when viewed on a transverse cross section of the barrel portion of the container, and the uneven thickness of the liquid film forms the region for quickly discharging the content and the region for slowly discharging the content. 
     
     
         4 . The small capacity container for viscous substance according to  claim 1 , wherein the container has a multilayered structure including a lubricant-containing resin layer that forms the inner surface of the container, the lubricant-containing resin layer has the uneven thickness in the circumferential direction when viewed on the transverse cross section of the barrel portion of the container, and the uneven thickness of the lubricant-containing resin layer forms the region for quickly discharging the content and the region for slowly discharging the content. 
     
     
         5 . The small capacity container for viscous substance according to  claim 1 , wherein the container has the multilayered structure with the inner surface formed of the lubricant-containing resin layer, an amount of the lubricant blended in the lubricant-containing resin layer is uneven in the circumferential direction when viewed on the transverse cross section of the barrel portion of the container, and the uneven blend amount of the lubricant in the lubricant-containing resin layer forms the region for quickly discharging the content and the region for slowly discharging the content. 
     
     
         6 . The small capacity container for viscous substance according to  claim 1 , wherein a viscous substance has a viscosity of not less than 8 Pa·s at 25° C. 
     
     
         7 . The small capacity container for viscous substance according to  claim 6 , having a capacity of more than 70 ml. 
     
     
         8 . The small capacity container for viscous substance according to  claim 6 , wherein the content is food, a pharmaceutical product or toothpaste. 
     
     
         9 . The small capacity container for viscous substance according to  claim 1 , which is a hollow molded container.