Soft container, soft container manufacturing apparatus, and soft container manufacturing method
AssigneePolymer System Co., Ltd.
InventorYoji TANAKA
Life of this patent
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Abstract
Provided is a soft container in which a tip portion of a body portion can be blocked with one member. The tip portion of a flexible body portion 10 of a soft container 1 is blocked by a tip sheet member 20. The tip sheet member 20 integrally has a circumferential side portion 21, a shoulder portion 22, and a top portion 23. The tip sheet member 20 is constituted by a self-supporting film molded body 28 having a uniform thickness. The tubular circumferential side portion 21 and the body portion 10 are joined to each other. The shoulder portion 22 is reduced in diameter in a tapered shape from the circumferential side portion 21 toward the tip side. The top portion 23 blocks the tip portion of the shoulder portion 22.
Claims10
A soft container comprising:
- a flexible body portion;
- and
- a tip sheet member blocking a tip portion of the body portion,
- wherein a self-supporting film molded body having a uniform thickness constitutes the tip sheet member and the film molded body integrally has:
- a tubular circumferential side portion joined to the body portion;
- a shoulder portion reduced in diameter in a tapered shape from the circumferential side portion toward a tip side;
- and
- a top portion blocking a tip portion of the shoulder portion.
Dependencies are inferred from the claim text.