US4537731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saddle filling member for gas-liquid contact
Assignee: PAUL RAUSCHERT & Co KG 8644 PRESSIG GERMANY A CORP OF GmbH
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Filing: 1983-05-26
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Granted: 1985-08-27
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Expires: 2003-05-26
Abstract
Abstract Column packing for gas-liquid contact comprises a saddle with a net-like matrix structure formed from a plurality of intersecting ribs provide substantially improved material transfer, gas permeability and reduced pressure losses.
Inventors
- 👤 Reinhard Billet
- 👤 Rainer Kober
- 👤 Jerzy Mackowiak
- 👤 Werner Geipel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:39
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/30; B01J2219/00; B01J2219/30; B01J2219/302; B01J2219/30203; B01J2219/304; B01J2219/30408; B01J2219/30466; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
101 words
A saddle filling member for gas-liquid contact, characterized in that it comprises a plurality of first ribs which are arranged parallel to each other and which are arcuately curved towards one side, and a plurality of second ribs which are arranged parallel to each other and normal to the first ribs and which are arcuately curved towards the opposite side, and also two arcuately curved connecting web portions which interconnect the end regions of the first ribs, the ribs being of a sharp-edged configuration and forming with said connecting web portions a grid-like structure over all the surfaces of said member.
Claim 2
Dependent Claim
101 words
A saddle filling member for gas-liquid contact, characterized in that it comprises a plurality of first ribs which are arranged parallel to each other and which are arcuately curved towards one side, and a plurality of second ribs which are arranged parallel to each other and normal to the first ribs and which are arcuately curved towards the opposite side, and also two arcuately curved connecting web portions which interconnect the end regions of the first ribs, the ribs being of a sharp-edged configuration and forming with said connecting web portions a grid-like structure over all the surfaces of said member.
Claim 3
Dependent Claim
21 words
A saddle filling member according to claim 1 characterised in that the first and second ribs are of a plate-like configuration.
Claim 4
Dependent Claim
25 words
A saddle filling member according to claim 2 characterised in that the plate-like ribs have a ratio of height to width of 1.5 to 5:1.
Claim 5
Dependent Claim
21 words
A saddle filling member according to claim 2 or 3 characterised in that the plate-like ribs are of substantially triangular cross-section.
Claim 6
Dependent Claim
32 words
A saddle filling member according to claim 1, 2 or 3 characterised in that at least a part of the first ribs project beyond the connecting web portions, forming drip-off tip portions.
Claim 7
Dependent Claim
32 words
A saddle filling member according to claim 1, 2 or 3 characterised in that at least a part of the second ribs project beyond the outermost first ribs, forming drip-off tip portions.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-08-26 | 1989-02-25 | 1989-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-26 | 1993-02-25 | 1993-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-26 | 1997-02-25 | 1997-08-27 | $7700.00 | Window Closed / Lapsed |