| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent water or the like from getting inside an outer layer from a crack as an aperture often occurring between the inner and outer layers of a pinch-off part, in a delamination bottle having the outer and inner layers peelable with ease and pinched off at the bottom and having an air introduction orifice bored in a part of the outer layer. <P>SOLUTION: A bottle having a mouth-neck part 5 made to rise from a barrel part 3 is prepared by putting in lamination the outer layer 10 and the inner layer 9 peelable with ease from each other, by forming the pinch-off part 6 of the bottom wall and by boring the air introduction orifice 7 in a part of the outer layer. In the delamination bottle thus prepared, a recess groove 8 having a V-shaped section is provided around with the lower end part 3a of the barrel left as it is. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
