Gas filter unit

Details Gas filter unit Gas filter unit

B - Operations, Transporting

01

D

B01D 46/52 (2006.01) B01D 46/02 (2006.01)

Patent

CA 2215952

The invention concerns a gas filter unit of cartridge type, comprising a filter material (2) put together to form one or several filter bags, and a support frame (1) of essentially U-shaped cross-sectional configuration, including a web portion (12) and two lateral leg members (13, 14) in adjoining relationship, the filter material closest to the mouths (3) of the filter bags being clamped in position between said lateral leg members. In accordance with the invention the frame comprises profile sections of a flexible material, preferably a plastics material, at least one (13) of said lateral leg members being hingedly interconnected with the web portion, in addition to which locking means (21-24) are provided to retain the corresponding lateral leg member in its clamping position in which it is pivoted into engagement with the other lateral leg member.

Système de filtre de gaz du type à cartouches, constitué d'un matériau filtre (2) assemblé de façon à former un ou plusieurs manches de filtre, et un cadre support (1) de section sensiblement en U, comportant une nervure (12) et deux branches latérales (13, 14) jointives, le matériau filtrant situé le plus près de l'embouchure (3) des manches de filtre étant maintenu en position par serrage entre ces branche latérales. Selon l'invention, le cadre est constitué de sections profilées en matériau souple, de préférence une matière plastique, au moins l'une (13) des branches latérales étant reliée par charnière à la nervure. De plus, des dispositifs de verrouillage (21, 24) maintiennent la branche latérale concernée en position de serrage, dans laquelle elle est engagée par pivotement dans l'autre branche latérale.

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