End portion for hermetically sealed container having fine...

A - Human Necessities – 61 – M

Patent

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Details

A61M 5/30 (2006.01) A61J 1/06 (2006.01)

Patent

CA 2656971

[PROBLEMS] To provide an easy-to-open end portion for a hermetically sealed container in which the opening surface is substantially flat and production of breakage chips is not likely. [MEANS FOR SOLVING PROBLEMS] The end portion for a hermetically sealed container comprises a tip portion (1), a truncated conical coupling portion (3) for coupling the tip portion (1) and the body portion (2), and a joint (4), wherein the tip portion (1), the joint (4), the coupling portion (3) and the body portion (2) are arranged coaxially to have a central axis (5), and space sections (14, 13, 12) are provided to extend continuously from the body portion (2) to the middle of the joint (4). When a force is applied to the tip portion (1) from the lateral direction of the central axis (5), the joint (4) is broken, the head portion of the truncated conical coupling portion (3) is exposed and the space section (13) of the coupling portion becomes a free end.

Le problème à résoudre dans le cadre de cette invention concerne l'obtention d'une extrémité facile à ouvrir destinée à un récipient fermé hermétiquement, dans laquelle une surface d'ouverture est sensiblement plane et l'apparition de copeaux de rupture peut probable. La solution proposée consiste à obtenir une extrémité, destinée à un récipient fermé hermétiquement, qui comprend : une partie pointe (1) ; une partie raccord (3) conique tronquée destinée à raccorder la partie pointe (1) à la partie corps (2) ; et un joint (4). La partie pointe (1), le joint (4), la partie raccord (3) et la partie corps (2) sont disposés de manière coaxiale afin d'obtenir un axe central (5) et les sections espacement (2) se prolongent en continu de la partie corps (2) jusqu'au milieu du joint (4). Lorsque l'on applique une force sur la partie pointe (1) depuis la direction latérale de l'axe central (5), le joint (4) se rompt, la tête de la partie raccord (3) conique tronquée est alors exposée et la section espacement (13) de la partie raccord devient une extrémité libre.

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