| 摘要 |
A bag (1) is provided with a bag body (10), and a zipper tape (20) heat-sealed to the inner surface of the bag body (10). The zipper tape (20) is provided with a pair of belt-shaped base portions (21), and two pairs of interlocking portions (22, 23) that are disengageably interlocked with each other. Only the opening portion (12) side in the width direction of the belt-shaped base portion (21A) is bonded to the bag body (10), and the whole surface of the other belt-shaped base portion (21B) is bonded thereto. The first interlocking portions (22) are provided on the belt-shaped base portions (21A, 21B), respectively, and provided with a pair of hook portions (22A, 22B) respectively having, at the leading ends thereof, claw sections (22D) that are disengageably meshed with each other. The second interlocking portion (23) is provided with a concave-shaped female-side interlocking portion (23A) provided on the belt-shaped base portion (21A), and a male-side interlocking portion (23B) that has the same shape as the hook portion (22B) and is disengageably interlocked with the female-side interlocking portion (23A). The claw section (22D) of the hook portion (22A) protrudes toward the opening portion (12). |
