|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||55/3853 ; ; 55/497 ; ; 55/511 ; ; 55/521|
|우선권정보||JP-0183850 (1994-07-12); JP-0197594 (1994-07-28)|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 49 인용 특허 : 10|
A filter element has a wavy filter portion including a plurality of ridges of a filter material, which are juxtaposed to one another and closed at their sides, and a flange portion extending along a mounting plane around the filter portion for supporting the filter portion. The flange portion is made of the same filter material extending from the filter portion, by compressing the filter material more densely than the filter portion. The filter element is manufactured by a step of preparing an intermediate product of a wavy sheet, and a step of forming t...
A filter element comprising: a wavy filter portion including a plurality of ridges made of a filter material including fibers and juxtaposed to one another, said ridges being closed at the sides thereof; and a flange portion extending along a mounting plane around said filter portion for maintaining a shape of said filter portion, said flange portion extending from said filter portion integrally and being made of the same filter material as said filter portion, and said filter material being pressed to be thinner at said flange portion than at said filte...