US3951682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-phase rinse and recovery apparatus
Assignee: Honeywell International Inc
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Filing: 1974-11-15
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Granted: 1976-04-20
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Expires: 1994-11-15
Abstract
Abstract An and apparatus for removing and recovering contaminating liquid from articles comprising washing the article with a liquid two phase system, one of the phases in the two phase system being immiscible with and preferably insoluble with the contaminating liquid. The remaining phase being miscible with but not the same as the contaminating liquid. The apparatus comprises a series of wash and separating tanks in conjunction with appropriate valves and pumps for utilizing the method to automatically recover contaminating liquid and return it to the process step in which it is used. This creates a balanced rinse and recovery system which prevents loss of contaminating liquid and substantially eliminates the necessity for adding new contaminating liquid to the process step in which the contaminating liquid is used.
Inventors
- 👤 William Russell Schevey
- 👤 Harold Freeman Jones
- 👤 Burton A. Spielman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:00
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/02; C; C23; C23G; C23G5/00; C23G5/02; C23G5/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
137 words
Apparatus for treating a solid article having a contaminate thereon comprising: a. a first sump adapted to contain a liquid and provided with means for cooling the space in the area above contained liquid, b. movable means for suspending an article within said first sump, c. spray means for applying immiscible liquids to substantially all surfaces of the suspended article, d. means comprising a second sump adapted to contain a liquid and to separate immiscible liquids which collect in the bottom of said first sump into distinct liquid phases, said second sump being separate from and in communication with said first sump, and being provided with means for cooling the space in the area above contained liquid, and e. means for separately removing and recycling at least one phase from said second sump to said spray means.
Claim 2
Dependent Claim
137 words
Apparatus for treating a solid article having a contaminate thereon comprising: a. a first sump adapted to contain a liquid and provided with means for cooling the space in the area above contained liquid, b. movable means for suspending an article within said first sump, c. spray means for applying immiscible liquids to substantially all surfaces of the suspended article, d. means comprising a second sump adapted to contain a liquid and to separate immiscible liquids which collect in the bottom of said first sump into distinct liquid phases, said second sump being separate from and in communication with said first sump, and being provided with means for cooling the space in the area above contained liquid, and e. means for separately removing and recycling at least one phase from said second sump to said spray means.
Claim 3
Dependent Claim
28 words
Apparatus according to claim 1, which is additionally provided with means for mixing two or more liquids and feeding such mixture as a charge to the spray means.
Claim 4
Dependent Claim
22 words
Apparatus according to claim 1, which is provided with means for simultaneously spraying discrete liquids through separate spray nozzels onto the article.
Claim 5
Dependent Claim
21 words
Apparatus according to claim 1, which is additionally provided with means for creating a fog of liquid around the suspended article.
Claim 6
Dependent Claim
29 words
Apparatus according to claim 1, wherein the second sump is provided with means for separately removing and recycling two liquid phases from said second sump, to said spray means.
Claim 7
Dependent Claim
47 words
Apparatus according to claim 1, which includes additionally a prewash treatment tank, means to remove an article suspended within said treatment tank and to suspend said article within the first sump, and means to transfer a separated liquid phase from said second sump to the treatment tank.
References Cited (Backward Citations)
US2330655A
Cited
US2923648A
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US3094469A
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US3182671A
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US3229702A
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US3593729A
Cited
US3632480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-20 | 1979-10-20 | 1980-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-20 | 1983-10-20 | 1984-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-20 | 1987-10-20 | 1988-04-20 | $7700.00 | Window Closed / Lapsed |