Apparatus for eliminating static electrical charges from a...

H - Electricity – 05 – F

Patent

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H05F 3/02 (2006.01)

Patent

CA 2495319

An apparatus is taught for draining static electrical charges built-up on a traveling web of dielectric material. The apparatus includes discharge means comprised of a metal member having one end formed into at least one needle point projection. The discharge means is connected to ground potential and mounted in close proximity to the traveling web. Responsive to concentrated static electrical charges the discharge means causes ionization of the gasses surrounding the discharge means thereby draining the static electrical charges to the ground potential through the discharge means. The apparatus further includes means for sensing and reading the magnitude of static electrical charges drawn from the web of dielectric material and for applying the sensed information as digital signals to a manufacturer controller. The manufacturing controller uses the information to control manufacturing parameters that minimize the generation of static electrical charges during the manufacture of the dielectric material.

L'invention concerne un appareil pour drainer des charges électriques statiques présentes sur une bande mobile de matière diélectrique. Ledit appareil comprend des dispositifs de décharge comportant un élément en métal présentant une extrémité formée dans au moins une projection de point d'aiguille. Lesdits dispositifs de décharge sont reliés au potentiel de base et montés à proximité de la bande mobile. Les dispositifs de décharge, sensibles aux charges électriques statiques, entraînent l'ionisation des gaz entourant les dispositifs de décharge, tout en drainant les charges électriques statiques vers le potentiel de base à travers les dispositifs de charge. Ledit appareil comprend, de plus, des moyens de détection et de lecture de la magnitude des charges électriques statiques de la bande de matière diélectrique ainsi que des moyens pour appliquer les informations détectées en tant que signaux numériques à un dispositif de commande de fabrication. Ledit dispositif de commande de fabrication utilise les informations pour commander les paramètres de fabrication qui minimisent la production de charges électriques statiques, lors de la fabrication de matière diélectrique.

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