| 摘要 |
In the case of pipe filters which consist of a plurality of wire pieces which are bent from individual lengths of wire and have open ends which point in the same direction and are mounted with their open ends between two mutually connected small plates, of which the one small plate has tongues which are bent towards the other small plate and engage over the pieces of wire at their open ends, in order to ensure that [lacuna], it is proposed according to the invention that, on the side facing the one small plate, the other small plate be provided with bulges which rest at the free ends of the tongues on the side facing away from the pieces of wire.
|
