Patent ID: 9561461
Date: 2017-02-07
CPC Classifications: B01D

Claim:
1. A filter element for at least one of a fresh air system and a ventilation- and/or air-conditioning system, comprising: a filter body including a folded filter material that laterally surrounds an internal space, except in a lateral region, a first end plate and a second end plate, which are sealingly attached to the filter body at sides that are facing away from one another, a front plate arranged in the lateral region, wherein the front plate includes a first end plate joining region facing the first end plate, the first end plate joining region fused with a front-side end of the first end plate facing the front plate, wherein the front plate further includes a second end plate joining region associated with the second end plate, the second end plate joining region fused with a front-side end of the second end plate facing the front plate, wherein the front plate further includes a first end fold joining region associated with a first end of the filter body, and at least one first end fold is plasticized into the first end fold joining region, the at least one first end fold disposed at the first end of the filter body, wherein the front plate further includes a second end fold joining region associated with a second end of the filter body, and at least one second end fold is plasticized into the second end fold joining region, the at least one second end fold disposed at the second end of the filter body, wherein the first end plate joining region is disposed on a first edge region of the front plate and includes a first connecting web projecting from the first edge region, the first connecting web fused axially with the front-side end of the first end plate, and wherein the second end plate joining region is disposed on a second edge region of the front plate and includes a second connecting web projecting from the second edge region, the second connecting web fused axially with the front-side end of the second end plate.