B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 1/06 (2006.01) A61J 3/00 (2006.01) A61K 9/28 (2006.01) B05B 5/08 (2006.01)
Patent
CA 2484146
An apparatus for electrostatically applying a powder material to a solid dosage from includes a source (1) of charged powder material, a support assembly (2) for supporting the solid dosage form (3) with a front face in the vicinity of the source of powder material and facing the source of powder material, the support assembly (2) including an electrically conducting member (5) in the vicinity of the rear face of the solid dosage form and an electrically conducting shield (8) disposed closely around the solid dosage from (3) between the front face and the rear face of the solid dosage form, and means (4) for creating a potential difference between the source of powder material and the electrically conducting member and for maintaining the electrically conducting shield at a potential more similar to that of the source of powder material than to that of the electrically conducting member.
L'invention a trait à un appareil permettant d'appliquer par voie électrostatique un matériau en poudre sur une forme posologique solide. Ledit appareil comprend : une source (1) de matériau en poudre chargé ; un ensemble support (2) destiné à supporter la forme posologique solide (3) de façon que sa face frontale soit à proximité de la source de matériau en poudre et fasse face à cette dernière, l'ensemble support (2) comprenant un élément conducteur (5) à proximité de la face arrière de la forme posologique solide et un blindage conducteur (8) disposé étroitement autour de la forme posologique solide (3), entre la face frontale et la face arrière de cette dernière ; et des moyens (4) permettant de créer une différence de potentiel entre la source de matériau en poudre et l'élément conducteur, et de maintenir le blindage conducteur à un potentiel plus similaire à celui de la source de matériau en poudre qu'à celui de l'élément conducteur.
Feather David Hoover
Gazza Jack Michael
Hallett Martin David
Nelson Douglas Howard
Whiteman Marshall
Phoqus Pharmaceuticals Limited
Sim & Mcburney
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