Easily tearable fastener tape, method of producing the...

Details Easily tearable fastener tape, method of producing the... Easily tearable fastener tape, method of producing the...

B - Operations, Transporting

65

D

B65D 33/25 (2006.01) B65D 33/00 (2006.01)

Patent

CA 2664068

A belt-like base section (321) of a male member (32) of a fastener tape (3A) attached to the inner surface of a bag body (2) has a body (3211) where an interlocking section (31) is provided, a first ridge section (3212) provided on the body (3211) on its opening side, a thin wall section (3213) provided on the first ridge section (3212) on its opening side, and a second ridge section (3214) provided on the thin wall section (3213) on its opening side. A belt-like base section (331) of a female member (33) has a body (3311), a first ridge section (3312), a thin wall section (3313), and a second ridge section (3314). When the fastener tape (3A) is fusion bonded to the bag body (2), a gap is formed between each thin wall section (3213, 3313) and each film of the bag body (2).

L'invention concerne une section de base de type courroie (321) d'un élément mâle (32) d'une bande de fixation (3A) fixée à la surface interne d'un corps de sac (2) ayant un corps (3211) où une section de verrouillage réciproque (31) est disposée. Une première section de nervure (3212) disposée sur le côté d'ouverture dudit corps de sac (3211), une section de paroi mince (3213) disposée sur la première section de nervure (3212) sur son côté d'ouverture, et une seconde section de nervure (3214) disposée sur la section de paroi mince (3213) sur son côté d'ouverture. Une section de base de type ceinture (331) d'un élément femelle (33) ayant un corps (3311), une première section de nervure (3312), une section de paroi mince (3313) et une seconde section de nervure (3314). Lorsque la bande de fixation (3A) est liée par fusion au corps de sac (2), un espace est formé entre chaque section de paroi mince (3213, 3313) et chaque film du corps de sac (2).

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