Filling containers with particulate material

B - Operations – Transporting – 65 – B

Patent

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Details

B65B 1/16 (2006.01) A61M 15/00 (2006.01) B65B 1/36 (2006.01) B65B 11/50 (2006.01) G01F 11/28 (2006.01)

Patent

CA 2237990

A multi-compartment container (12) is charged with a plurality of doses of powdered medicament so that the volume of each dose is less than that of the respective compartments in which it is contained. A respective protuberance (for example 92) is inserted into each respective compartment, which is then filled with medicament (91) and the protuberance is then removed. The container may take the form of an apertured plate, in which case the filling step can be achieved by placing the container (12) on a porous bed (22) and in communication with a reservoir (80) of particulate material, and then passing gas through the reservoir, the apertures in the container (12) and the bed (22). There is also shown apparatus for performing the method, the apparatus comprising a reservoir (80) for the particulate material and conduit means (81, 92, 94) for relaying particulate material from the reservoir to the compartments, the conduit means including protuberances which are insertable into the compartments to reduce the available volume of the latter. The size of the doses can be controlled by appropriate selection of protuberance dimensions, and a plate-type container, when filled by the method, can be relatively easily sealed by, for example, the application of laminated foil.

On remplit un contenant comportant plusieurs départements (12) de plusieurs doses d'un médicament pulvérisé de manière à ce que le volume de chaque dose soit inférieur au volume du compartiment respectif auquel la dose est destinée. On introduit à l'intérieur de chaque compartiment une protubérance respective (par exemple 92), puis on remplit le compartiment de médicament (91) et l'on retire la protubérance. Ledit contenant peut prendre la forme d'une plaque à ouvertures, sur laquelle on peut procéder à l'opération de remplissage en plaçant le contenant (12) sur un lit poreux (22) en communication avec un réservoir (80) de matière particulaire, puis en faisant passer du gaz à travers le réservoir, les ouvertures du contenant (12) et le lit (22). Afin de mettre en oeuvre ledit procédé, l'invention concerne également un appareil qui comporte un réservoir (80) conçu pour contenir la matière particulaire et un ensemble de conduites (81, 92, 94) permettant de délivrer la matière particulaire du réservoir vers les compartiments dans le but de réduire le volume disponible desdits compartiments. Il est possible de maîtriser la taille des doses en sélectionnant de façon appropriée les dimensions des protubérances, et il est relativement aisé de fermer hermétiquement un contenant de type plaque, une fois rempli selon ledit procédé, en appliquant, par exemple une feuille métallique laminée.

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