Doppelbehälter und Formsystem

Details

Veröffentlichungs-Nr.

EP4722116

Anmeldetag

23. Mai 2024

Veröffentlichung

5. Dezember 2024

Rechtsraum

EP

Abstract

An object of the present invention is to provide a double container in which, even when a container body is formed by biaxially stretch blow molding a preform configured by covering an inner preform formed by direct blow molding with an outer preform, cracking of a contact projection in a low-temperature drop test is suppressed.According to the present invention, there is provided a double container comprising a container body, wherein the container body comprises an inner bag and an outer shell arranged to cover the inner bag, the inner bag comprises a protruding part that protrudes from an opening end of the outer shell, the protruding part is provided with a protruding cylinder and a contact projection, the contact projection is a portion arranged at a position to contact on the opening end and protruding radially outward from the protruding cylinder, the contact projection has an upper wall and a lower wall extending radially outward from the protruding part, the upper wall is arranged closer to an opening end of the inner bag than the lower wall, and a reinforcing part for suppressing rotation of the upper wall with respect to the lower wall is provided.

Anmelder

Firma

KYORAKU CO., LTD.

Land

🇯🇵 Japan