| 摘要 |
PCT No. PCT/EP96/03239 Sec. 371 Date May 7, 1998 Sec. 102(e) Date May 7, 1998 PCT Filed Jul. 23, 1996 PCT Pub. No. WO97/10039 PCT Pub. Date Mar. 20, 1997A filter element, in particular for purifying the intake air of an internal combustion engine, constituted by a non-woven fabric or paper folded in the manner of a concertina and secured as a flat plate in a frame (10). In order to increase the stability of this filter medium (11), strut segments (19, 20) are disposed on the frame, which engage in folds in the plate and are bonded thereto. |
