Process for making a plastic container with a neck

Details Process for making a plastic container with a neck Process for making a plastic container with a neck

B - Operations, Transporting

65

D

B65D 75/58 (2006.01) B65D 35/12 (2006.01)

Patent

CA 2236026

The method of producing a container comprises introducing between parts (1) of sheet material in a peripheral zone of said parts an insert (4) comprised of a tubular wall (7) intended to define an outlet from an interior of a container body to be provided by said parts (1), and sealing said parts (1) and said insert (4) to each other in said peripheral zone, wherein said introducing is preceded by forming said parts (1) as respective shells (1); the container comprises a body (1) having an outlet (3), said container being comprised of first and second semi-rigid shells (1) which provide the body (1) and are sealed together around their peripheries, and an insert (4) which is located and sealed between said shells (1) and which comprises a tubular wall (7) defining said outlet (3) and having a detent (10) extending therearound, at least one of said shells (1) including a corrugation (11) extending around said tubular wall (7) and engaging said detent (10).

Ce procédé de production d'un contenant consiste à introduire, entre des parties (1) d'un matériau en feuille et dans une zone périphérique de celles-ci, un élément d'insertion (4) composé d'une paroi tubulaire (7) conçue pour délimiter un orifice de sortie à partir de l'intérieur d'un corps de contenant à constituer au moyen desdites parties (1), puis à sceller ces parties (1) et l'élément d'insertion (4) ensemble, dans ladite zone périphérique, l'introduction dudit élément étant précédée par la formation desdites parties (1), respectivement en tant que coques (1). Ce contenant comprend un corps (1) présentant un orifice de sortie (3) et il se compose d'une première et d'une seconde coque semi-rigide (1), lesquelles constituent le corps (1) et sont scellées ensemble autour de leur périphérie, ainsi que d'un élément d'insertion (4) placé et scellé entre les coques (1) et comprenant une paroi tubulaire (7), laquelle délimite l'orifice de sortie (3) et présente une butée (10) s'étendant autour de celui-ci, l'une des coques (1) au moins présentant une cannelure (11) s'étendant autour de la paroi tubulaire (7) et entrant en contact avec ladite butée (10).

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