| 摘要 |
PROBLEM TO BE SOLVED: To provide a straw package whose rectangular sealed surface of a longitudinal seal is made difficult to break. SOLUTION: The straw package 1 consists of a flat lower film, an upper film with a semicircular cross section, and a straw 5 received inside, and is sealed by lateral seals 6 on both sides extending in the longitudinal direction of the straw 5 and vertical seals 7 at both ends. The vertical seal 7 is constituted by having numerous rectangular sealed surfaces arranged longitudinally, and arranging each rectangular sealed surface so that four sides of the respective rectangular sealed surfaces are oriented in cross vertical and lateral directions of the straw package 1. COPYRIGHT: (C)2004,JPO&NCIPI
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