US5849187A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filter element having a filtration part and frame
Assignee: Amafilter BV
•
Filing: 1993-12-21
•
Granted: 1998-12-15
•
Expires: 2013-12-21
Abstract
Abstract A filter element including a filtration part and a mounting frame retaining the filtration part therein. The frame is formed by a profile with a center part and two border parts. The filtration part is retained between the border parts. The border parts are positioned in generally parallel relation to each other. A strip of material is firmly fixed to the border parts such that one end of the strip is fixed to one of the border parts and an opposite end is affixed to the other of the two border parts. The strip is in generally parallel relation to the center part.
Inventors
- 👤 Leendert Plaisier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:15
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/39; Y; Y10; Y10S; Y10S55/00; Y10S55/31
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
131 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part said strip of material comprising two or more strips placed in a longitudinal direction of the profile at a spaced distance from each other.
Claim 2
Dependent Claim
131 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part said strip of material comprising two or more strips placed in a longitudinal direction of the profile at a spaced distance from each other.
Claim 3
Dependent Claim
17 words
The filter element according to claim 1 wherein the profile and the strip are formed of metal.
Claim 4
Dependent Claim
20 words
The filter element according to claim 1 wherein the strip is mounted onto the border parts by a weld connection.
Claim 5
Dependent Claim
125 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part, said strip of material being mounted between the border parts at a spaced distance from the center part.
Claim 6
Dependent Claim
125 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part, said strip of material being mounted between the border parts at a spaced distance from the center part.
Claim 7
Dependent Claim
142 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part, said two or more strips of material being mounted such that at one border part the ends of the strips meet, the opposite ends of the strips at the opposite border part being spaced apart.
Claim 8
Dependent Claim
142 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part, said two or more strips of material being mounted such that at one border part the ends of the strips meet, the opposite ends of the strips at the opposite border part being spaced apart.
Claim 9
Dependent Claim
23 words
The filter element according to claim 5 wherein the strips are mounted at an angle of 90 degrees with respect to each other.
Claim 10
Dependent Claim
121 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part, said strip being inserted in a slot provided in each of the border parts.
Claim 11
Dependent Claim
121 words
A filter element comprising: a filtration part; a mounting frame retaining said filtration part interior thereof, said frame being formed by a profile with a center part and two border parts, said filtration part being permanently retained between said border parts, said border parts positioned in generally parallel relation to each other; and a strip of material being firmly fixed to said border parts, one end of said strip being affixed to one of said two border parts, an opposite end of said strip being affixed to another of said two border parts, said strip being in generally parallel relation to a surface of said center part, said strip being inserted in a slot provided in each of the border parts.
References Cited (Backward Citations)
US2328148A
Cited
DE1611075A1
Cited
US4737174A
Cited
JPH01254219A
Cited
US5032272A
Cited
US5310482A
Cited
JPH03249912A
Cited
US5192347A
Cited
US5329739A
Cited
CA2053144A1
Cited
US5269917A
Cited
US5188646A
Cited
US5505755A
Cited
US5476526A
Cited
US5609937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-12-14 | 2002-06-15 | 2002-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-12-14 | 2006-06-15 | 2006-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-12-14 | 2010-06-15 | 2010-12-15 | $7700.00 | Window Closed / Lapsed |