Aseptic filling bottle

Abstract

A bottom portion ( 6 ) of an aseptic filling bottle ( 1 ) includes a ground contact portion ( 10 ) that comes into contact with a mounting surface, a center portion ( 12 ) that progressively intrudes interior of the bottle as it extends radially inwards from the ground contact portion ( 10 ), and a dome portion ( 13 ) that is provided at a center of the center portion ( 12 ) to intrude the interior of the bottle further than the center portion ( 12 ). A dome portion side circumferential edge ( 12 a ) of the center portion ( 12 ) has an intrusion height (D 1 ) into the bottle interior, which height is higher than a half (D 2 ) the height from the ground contact portion ( 10 ) to a boundary between the body portion and the bottom portion ( 6 ).

1 . An aseptic filling bottle having a mouth portion, a shoulder portion, a body portion and a bottom portion;
 wherein the bottom portion includes a ground contact portion that comes into contact with a mounting surface, a center portion that progressively intrudes interior of the bottle as it extends radially inwards from the ground contact portion, and a dome portion that is provided at a center of the center portion to intrude the interior of the bottle further than the center portion; and   wherein a circumferential edge of the dome portion side of the center portion has an intrusion height into the bottle interior, which height is higher than a half the height from the ground contact portion to a boundary between the body portion and the bottom portion.   
     
     
         2 . The aseptic filling bottle of  claim 1 , wherein the center portion is formed arcuate. 
     
     
         3 . The aseptic filling bottle of  claim 1 , wherein a concave groove portion is formed radially from the dome portion. 
     
     
         4 . The aseptic filling bottle of  claim 3 , wherein the concave groove portion extends from the dome portion to a circumferential edge portion located radially outwards of the ground contact portion. 
     
     
         5 . The aseptic filling bottle of  claim 3 , wherein the concave groove portion has a depth with respect to the ground contact portion which ranges from 2.5 mm to 5.0 mm. 
     
     
         6 . The aseptic filling bottle of  claim 1 , wherein at the body portion, at least one recess-like rib which extends circumferentially around its circumference is formed.