B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/52 (2006.01) B01D 29/01 (2006.01)
Patent
CA 2231237
The present invention provides for a method of manufacturing a filter assembly having a filter frame member (402) and the filter assembly (500) produced thereby. The method includes the step of supporting a filter media (202) preferably using a pair of support members (102 and 204). The support members (102 and 204) hold the filter media in place and allow portions of the filter media (202) to be exposed around the media's periphery. Next, a filter support frame (402) is placed around and in proximity to the exposed filter media. The filter support frame (402) is then welded, preferably ultrasonically, to the exposed portions of the filter media. Once welded, the pleated filter assembly is removed from the support members (102 and 204).
L'invention concerne un procédé pour fabriquer un dispositif de filtre ayant un cadre de support (402) de filtre, ainsi que le dispositif de filtre (500) obtenu par ce procédé. Le procédé consiste à mettre sur un support un élément filtrant (202), de préférence en utilisant deux éléments de support (102 et 204). Les éléments de support (102 et 204) tiennent l'élément filtrant en place tout en permettant à des portions de cet élément (202) d'être exposées à la périphérie. Ensuite, un cadre de support (402) de filtre est placé autour et près des portions périphériques exposées de l'élément filtrant. Le cadre de support (402) de filtre est ensuite soudé, de préférence par ultrasons, aux portions périphériques exposées de l'élément filtrant. Après soudage, le dispositif de filtre plissé est enlevé des éléments de support (102 et 204).
Minnesota Mining And Manufacturing Company
Ridout & Maybee Llp
The Racal Corporation Canada Inc.
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