US4051009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bipolar electrolytic filter press cell frame
Assignee: BASF Corp
•
Filing: 1975-05-19
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Granted: 1977-09-27
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Expires: 1995-05-19
Abstract
Abstract A cell frame for a bipolar electrolytic filter press cell includes an electrolysis-associated lower section and a gas disengagement or diverting upper section. A pressure bar extends across the cell frame immediately above the lower section to prevent distortion of the separator by cathode generated gases, and to promote disengagement of the gases. The frame, also, includes external headers in the upper section for collection of the gases evolved by the electrolysis of the electrolytic solutions.
Inventors
- 👤 Albert John Schweickart
- 👤 Stephen Michael Collins
- 👤 John Joseph Bortak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:04
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/60; C25B9/63
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
166 words
A cell frame for a bipolar electrolytic filter press cell, comprising: a. a peripheral rim, b. a first linear section defining a central web recessedly disposed within the rim, one side of the web defining a catholyte side and the other an anolyte side, c. a U-shaped section integrally formed with the linear section and cooperating therewith to define a recessed area communicating with the anolyte side above the first linear section, the recessed area extending away from the anolyte side of the central web, d. the portion of the frame extending from the top of the central web downwardly defining a lower zone at which electrolysis is carried out, e. the portion of the frame extending upwardly from the top of the central web defining an upper zone for disengagement the electrolysis-generated gases, and f. means for preventing distortion of the central web and facilitating disengagement of the gases disposed between the upper zone and the lower zone on the anolyte side of the frame.
Claim 2
Dependent Claim
166 words
A cell frame for a bipolar electrolytic filter press cell, comprising: a. a peripheral rim, b. a first linear section defining a central web recessedly disposed within the rim, one side of the web defining a catholyte side and the other an anolyte side, c. a U-shaped section integrally formed with the linear section and cooperating therewith to define a recessed area communicating with the anolyte side above the first linear section, the recessed area extending away from the anolyte side of the central web, d. the portion of the frame extending from the top of the central web downwardly defining a lower zone at which electrolysis is carried out, e. the portion of the frame extending upwardly from the top of the central web defining an upper zone for disengagement the electrolysis-generated gases, and f. means for preventing distortion of the central web and facilitating disengagement of the gases disposed between the upper zone and the lower zone on the anolyte side of the frame.
Claim 3
Dependent Claim
40 words
The cell frame of claim 1 which further comprises: at least one header in communication with the recessed area and at least one header in communication with the cathode compartment, the headers and the recessed area defining the upper zone.
Claim 4
Dependent Claim
51 words
The cell frame of claim 2 wherein the disengagement means comprises a pressure bar, disposed on the anolyte side of the web and extending thereacross, the bar having a plurality of spacers disposed between the bar and the linear section such that the anolyte-generated gases rise therethrough into the recessed area.
Claim 5
Dependent Claim
39 words
The cell frame of claim 2 which further comprises: a pair of headers, one on each lateral side of the barrier, and formed in the upper zone, the headers communicating with the anolyte side to disengage the gases therefrom.
Claim 6
Dependent Claim
18 words
The cell frame claim 4 wherein the pair of anolyte associated headers are formed in the peripheral rim.
Claim 7
Dependent Claim
67 words
The cell frame of claim 1 which further comprises: a. a handle formed on each lateral side of the frame, each handle seatingly engaging a filter press frame support, b. at least one projection on each lateral side of the frame, the projections supporting the filter press protection rods, and c. means for facilitating the lifting of the frame formed at the top thereof in the rim.
Claim 8
Dependent Claim
105 words
The cell frame of claim 1 which further comprises: a. means for feeding electrolyte solution to the anolyte side of the barrier, the means being formed in the rim, b. means for feeding electrolyte solution to the catholyte side of the barrier, the means being formed in the rim, c. means for exhausting catholyte liquid product from the catholyte side of the barrier and being formed in the rim, and d. means for exhausting anolyte liquid product from the anolyte side of the barrier and being formed in the rim, the means for feeding and the means for exhausting being disposed in the lower zone.
Claim 9
Dependent Claim
62 words
In a chlor-alkali bipolar electrolytic filter press cell frame having a central web, a pressure bar therefor comprising: a. an elongated member having a length substantially equal to the width of the web of the cell frame, and b. a plurality of spacers extending outwardly from the elongated member, the spacers maintaining a predetermined distance between the elongated member and the frame.
Claim 10
Dependent Claim
62 words
In a chlor-alkali bipolar electrolytic filter press cell frame having a central web, a pressure bar therefor comprising: a. an elongated member having a length substantially equal to the width of the web of the cell frame, and b. a plurality of spacers extending outwardly from the elongated member, the spacers maintaining a predetermined distance between the elongated member and the frame.
Claim 11
Dependent Claim
19 words
The cell frame of claim 8 which further comprises: means for fastening the elongated member to the cell frame.
Claim 12
Dependent Claim
15 words
The cell frame of claim 9 wherein the means for fastening extend through the spacers.
Claim 13
Dependent Claim
14 words
The cell frame of claim 8 wherein the pressure bar is formed from titanium.
Claim 14
Dependent Claim
85 words
In combination with a cell frame having a central web for a bipolar electrolytic filter press cell, a pressure bar for preventing distortion of the frame and for facilitating disengagement of the gases evolved in the cell, the pressure bar comprising: a. an elongated member having a length substantially equal to the width of the web of the cell frame, and b. a plurality of spacers extending outwardly from the elongated member, the spacers maintaining a pre-determined distance between the elongated member and the frame.
Claim 15
Dependent Claim
85 words
In combination with a cell frame having a central web for a bipolar electrolytic filter press cell, a pressure bar for preventing distortion of the frame and for facilitating disengagement of the gases evolved in the cell, the pressure bar comprising: a. an elongated member having a length substantially equal to the width of the web of the cell frame, and b. a plurality of spacers extending outwardly from the elongated member, the spacers maintaining a pre-determined distance between the elongated member and the frame.
Claim 16
Dependent Claim
18 words
The combination of claim 12 which further comprises: means for fastening the elongated member to the cell frame.
Claim 17
Dependent Claim
14 words
The combination of claim 13 wherein the means for fastening extends through the spacers.
Claim 18
Dependent Claim
14 words
The pressure bar of claim 12 wherein the pressure bar is formed from titanium.
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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) | 1980-09-26 | 1981-03-28 | 1981-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-26 | 1985-03-28 | 1985-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-26 | 1989-03-28 | 1989-09-27 | $7700.00 | Window Closed / Lapsed |