B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 27/06 (2006.01) B01D 29/07 (2006.01) B01D 46/10 (2006.01) B01D 46/42 (2006.01) B01D 46/52 (2006.01)
Patent
CA 2125492
The filter system comprises a filter element (10) arranged in wave- or zig-zag-shaped folds and having flat filter element portions (12) and intermediate bending lines (14). The longitudinal edges of the filter element (10) are connected to tensioning bands (20). When the filter element (10) is stretched, these tensioning bands (20) are tensioned and in their tensioned condition fulfill a holding function for holding the filter element portions (12) in the stretched condition of the filter element (10). Thus, no spacers are required on the filter frame (22) for maintaining the stability of shape of the filter element (10).
Le système de filtrage comprend un filtre (10) qui a des plis en vagues ou en accordéon et des parties de filtre planes (12) et des lignes de pliage (14) intermédiaires. Les bords longitudinaux du filtre (10) sont raccordés à des bandes de tension (20). Quand le filtre (10) est étiré, ces bandes de tension (20) sont tendues et leur état de tension joue un rôle de retenue pour maintenir les parties de filtre (12) dans l'état étiré du filtre (10). Ainsi, on n'a pas besoin d'espaceurs sur le cadre du filtre (22) pour maintenir la stabilité de la forme du filtre (10).
Horsten Anton J.j.
Van de Graaf Peter
Minnesota Mining And Manufacturing Company
Smart & Biggar
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