| 摘要 |
<p>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.</p> |
