US2815289A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for facilitating the sterilising of apparatus for steam treatment of liquids
Assignee: Murray Deodorisers Ltd
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Filing: 1953-05-18
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Granted: 1957-12-03
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Expires: 1973-05-18
Abstract
No abstract record available.
Inventors
- 👤 Murray Henry Lamont
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:56
CPC Classifications
A; A61; A61L; A61L2/00; A61L2/24; Y; Y10; Y10S; Y10S99/00; Y10S99/10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7297; Y10T137/73
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
196 words
THE METHOD, USABLE AT WILL, OF DISLODGING RESIDUAL LIQUID PRODUCT FROM AN ASSEMBLED LIQUID-TREATING APPARATUS, CLEANING SAID APPARATUS AND THEREUPON STERILIZING THE SAME, AND WHICH APPARATUS INCLUDES, AS COMPONENT PARTS THEREOF, AN INLET AT ONE END OF THE APPARATUS AND AN OUTLET AT THE OTHER END THEREOF, AND WHEREIN ARE PROVIDED AT LEAST TWO VACUUM STAGES CONNECTED IN TANDEM, NORMALLY OPERATING AT DIFFERENT DEGREES OF VACUUM, THE HIGHER OF WHICH DEGREES OF VACUUM IS IMPRESSED ON THE DOWN-STREAM STAGE, WITH A LIQUID SEAL VALVE PROVIDED THEREBETWEEN FOR AUTOMATIC OPERATION, AT ALL TIMES DURING OPERATION, UNDER CONTROL OF THE HEAT OF LIQUID IMMEDIATELY UPSTREAM OF THE VALVE; WHICH SAID METHOD COMPRISES THE STEPS OF CONDITIONING THE LIQUID SEAL FOR SUBSEQUENT TREATMENT, DISPOSAL AND DISCHARGE OF THE LIQUID CONTENT THEREOF BY OPENING THE SAID VALUE WHICH CONTROLS THE SEAL TO AN EXTEND GREATER THAN DURING THE AFORESAID AUTOMATIC OPERATION THEREOF AND TO AN EXTEND SUFFICIENT TO PROVIDE FOR SUBSTANTIALLY UNOBSTRUCTED FLOW OF FLUIDS THROUGH THE VALVE; PERMEATING STEAM UNDER POSITIVE PRESSURE THROUGH THE ENTIRE APPARATUS, IN A ONCE-THROUGH, OPENCIRCUIT PASSAGE OF THE STEAM; AND DISCHARGING THE STEAM AND ANY CONDENSATE THEREWITH AT THE OUTLET END OF THE APPARATUS.
Claim 2
Independent Claim
196 words
THE METHOD, USABLE AT WILL, OF DISLODGING RESIDUAL LIQUID PRODUCT FROM AN ASSEMBLED LIQUID-TREATING APPARATUS, CLEANING SAID APPARATUS AND THEREUPON STERILIZING THE SAME, AND WHICH APPARATUS INCLUDES, AS COMPONENT PARTS THEREOF, AN INLET AT ONE END OF THE APPARATUS AND AN OUTLET AT THE OTHER END THEREOF, AND WHEREIN ARE PROVIDED AT LEAST TWO VACUUM STAGES CONNECTED IN TANDEM, NORMALLY OPERATING AT DIFFERENT DEGREES OF VACUUM, THE HIGHER OF WHICH DEGREES OF VACUUM IS IMPRESSED ON THE DOWN-STREAM STAGE, WITH A LIQUID SEAL VALVE PROVIDED THEREBETWEEN FOR AUTOMATIC OPERATION, AT ALL TIMES DURING OPERATION, UNDER CONTROL OF THE HEAT OF LIQUID IMMEDIATELY UPSTREAM OF THE VALVE; WHICH SAID METHOD COMPRISES THE STEPS OF CONDITIONING THE LIQUID SEAL FOR SUBSEQUENT TREATMENT, DISPOSAL AND DISCHARGE OF THE LIQUID CONTENT THEREOF BY OPENING THE SAID VALUE WHICH CONTROLS THE SEAL TO AN EXTEND GREATER THAN DURING THE AFORESAID AUTOMATIC OPERATION THEREOF AND TO AN EXTEND SUFFICIENT TO PROVIDE FOR SUBSTANTIALLY UNOBSTRUCTED FLOW OF FLUIDS THROUGH THE VALVE; PERMEATING STEAM UNDER POSITIVE PRESSURE THROUGH THE ENTIRE APPARATUS, IN A ONCE-THROUGH, OPENCIRCUIT PASSAGE OF THE STEAM; AND DISCHARGING THE STEAM AND ANY CONDENSATE THEREWITH AT THE OUTLET END OF THE APPARATUS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |