Method and device for producing and filling containers

Details Method and device for producing and filling containers Method and device for producing and filling containers

Category

B - Operations, Transporting

Subcategory

65

Subsubcategory

B

IPC codes

B65B 3/02 (2006.01)

Type

Patent

Patent number

CA 2549648

Description

The invention relates to a method and a device for producing and filling containers. According to the invention, at least one tube (12) made of a softened plastic material is extruded into an open mold (16), the leading end of said tube (12) is welded when the mold (16) is closed in order to form the bottom of the container, the tube (12) is cut in two above the mold by means of a cutting element (28) so as to form a feed hole (18), and the mold (16), along with the tube (12) comprising the open feed hole (18), is moved into a filling position in which the container is filled and then sealed after being configured in the mold (16) by generating a pressure gradient that acts upon the tube (12) and expands the same. The feed hole (18) of the tube (12) is covered by a sterile barrier (30) at least from the moment said feed hole (18) is formed to the time the associated container is filled in a sterile space. A high degree of sterility is obtained by the fact that at least one sterile medium (34) is conveyed in the direction of the feed hole (18) by means of the sterile barrier (30) and a medium-conveying device (36).

L'invention concerne un procédé et un dispositif utilisés pour la fabrication et le remplissage de récipients, procédé dans lequel au moins un tuyau (12) en un matériau synthétique plastifié est extrudé dans un moule ouvert (16), le tuyau (12) est soudé à son extrémité avant, lors de la fermeture du moule (16), en vue de former le fond du récipient, le tuyau (12) est séparé, au-dessus du moule, au moyen d'un élément de séparation (28), en vue de former une ouverture de remplissage (18), et le moule (16) avec le tuyau (12) présentant l'ouverture de remplissage (18) ouverte, est déplacé en position de remplissage, dans laquelle le récipient, une fois que celui-ci est rempli, puis fermé par production d'un gradient de pression agissant sur le tuyau (12) et élargissant ce dernier, est formé dans le moule (16), l'ouverture de remplissage (18) du tuyau (12) étant fermée par une barrière stérile (30), sous environnement stérile, au moins à partir de sa formation, jusqu'au remplissage du récipient correspondant. En vue d'obtenir des conditions stériles élevées, l'invention est caractérisée en ce qu'au moyen de la barrière stérile (30), un milieu stérile (34) est introduit, au moyen d'un dispositif d'amenée (36), en direction de l'ouverture de remplissage (18).

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