Method and apparatus for sealing capsules and capsules...

A - Human Necessities – 61 – J

Patent

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A61J 3/07 (2006.01)

Patent

CA 2379276

The invention is concerned with a method of sealing a hardshell capsule having coaxial body parts which overlap when telescopically joined with each other, thereby forming a gap around a circumference of the capsule, comprising the steps of individually applying a sealing liquid including a solvent uniformly to the external edge of the gap of a capsule to be sealed to form a liquid ring around the circumference of the capsule, removing excess sealing liquid from the exterior of the capsule, drying the capsule by applying thermal energy from outside while gently tumbling and conveying the capsule on a spiral path.

L'invention concerne un procédé de fermeture d'une capsule à enveloppe rigide comprenant des parties de corps coaxiales qui se superposent lorsqu'on les joint l'une à l'autre de manière télescopique, d'où la formation d'un espace autour de la capsule. Ledit procédé consiste à appliquer individuellement et uniformément un liquide d'étanchéité contenant un solvant sur le rebord externe de l'espace d'une capsule à fermer hermétiquement de manière à former un anneau liquide autour de la capsule, à extraire le liquide d'étanchéité excessif de l'extérieur de la capsule, puis à sécher ladite capsule par application d'une énergie thermique depuis l'extérieur tout en faisant tourner et circuler la capsule sur un chemin spiral.

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