AIR FILTER AND METHOD OF MANUFACTURING THE AIR FILTER

摘要

An air filter and a method of manufacturing the air filter, the air filter characterized in that a filter medium (10) is formed in continuous corrugated shape by bending the band-like filter medium (10) formed of nonwoven fabric along crease lines (11) alternately in projected and recessed shapes and the sides (13) of the filter medium (10) are connected to each other so as to hold rear side crease lines (11d), whereby, since a side plate must not be formed on the filter medium (10), the processing of the filter medium (10) can be facilitated; the method comprising a connection step for the filter medium (10) wherein workability is improved.