Patent US3182971A successfully refreshed from Google Patents.
US3182971A
Expired / Lapsed
US
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Homogenizing valve control
Assignee: ST Regis Paper Co
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Filing: 1963-10-21
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Granted: 1965-05-11
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Expires: 1983-10-21
Abstract
No abstract record available.
Inventors
- 👤 Alden H Wakeman
- 👤 Dan C Roahen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:05
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/40; B01F25/44; B01F25/441; B01F25/4413; A; A01; A01J; A01J11/00; A01J11/16; B01F25/442; B01F25/4423
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A HOMOGENIZING VALVE INCLUDING A VALVE SEAT, A VALVE MEMBER TO BE URGED TOWARD SAID SEAT TO EFFECT HOMOGENIZATION OF A PRODUCT FORCED PAST SAID VALVE SEAT, HYDRAULIC CONTROL MEANS CONNECTED TO SAID VALVE MEMBER FOR URGING SAID VALVE MEMBER TOWARD SAID SEAT, AND PNEUMATIC CONTROL MEANS GOVERNING SAID HYDRAULIC CONTROL MEANS, FOR EXERTING A SUBSTANTIALLY UNIFORM PREDETERMINED FORCE ON SAID VALVE MEMBER TOWARDS SAID SEAT AS SUCH PRODUCT IS FORCED PAST SAID VALVE SEAT, AND WHEREIN SAID CONTROL MEANS INCLUDE A CYLINDER HAVING ONE END ADAPTED TO PROVIDE HYDRAULIC PRESSURE TO SAID VALVE MEMBER, TO URGE THE LATTER TOWARD SUCH VALVE SEAT, A PISTON MOUNTED FOR RECIPROCATION WITHIN SAID CYLINDER, AND A PRESSURIZED FLUID INLET DISPOSED AT THE OPPOSITE END OF SAID CYLINDER; THE AREA OF THE PISTON SURFACE ADJACENT SAID FLUID INLET BEING SUBSTANTIALLY GREATER THAN THE AREA OF THE PISTON SURFACE ADJACENT SAID CYLINDER ONE END.
Claim 2
Dependent Claim
149 words
A HOMOGENIZING VALVE INCLUDING A VALVE SEAT, A VALVE MEMBER TO BE URGED TOWARD SAID SEAT TO EFFECT HOMOGENIZATION OF A PRODUCT FORCED PAST SAID VALVE SEAT, HYDRAULIC CONTROL MEANS CONNECTED TO SAID VALVE MEMBER FOR URGING SAID VALVE MEMBER TOWARD SAID SEAT, AND PNEUMATIC CONTROL MEANS GOVERNING SAID HYDRAULIC CONTROL MEANS, FOR EXERTING A SUBSTANTIALLY UNIFORM PREDETERMINED FORCE ON SAID VALVE MEMBER TOWARDS SAID SEAT AS SUCH PRODUCT IS FORCED PAST SAID VALVE SEAT, AND WHEREIN SAID CONTROL MEANS INCLUDE A CYLINDER HAVING ONE END ADAPTED TO PROVIDE HYDRAULIC PRESSURE TO SAID VALVE MEMBER, TO URGE THE LATTER TOWARD SUCH VALVE SEAT, A PISTON MOUNTED FOR RECIPROCATION WITHIN SAID CYLINDER, AND A PRESSURIZED FLUID INLET DISPOSED AT THE OPPOSITE END OF SAID CYLINDER; THE AREA OF THE PISTON SURFACE ADJACENT SAID FLUID INLET BEING SUBSTANTIALLY GREATER THAN THE AREA OF THE PISTON SURFACE ADJACENT SAID CYLINDER ONE END.
References Cited (Backward Citations)
US1163541A
Cited
US2304689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |