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US3832145A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for the solidification of molten sulphur

Assignee: Enersul LP
•
Filing: 1971-12-14
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Granted: 1974-08-27
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Expires: 1991-12-14
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Abstract

Abstract A METHOD OF SOLIDIFYING MOLTEN SULPHUR INVOLVES FORMING ON A BELT AT LEAST ONE UNDULATION WHICH IS SHAPED TO PERMIT THE FORMATION OF A POOL OF MOLTEN SULPHUR. MOLTEN SULPHUR IS FED ONTO THE BELT SO THAT A POOL IS FORMED ON THE UNDULATION. THE SPEED OF THE BELT IS CONTROLLED IN RELATION TO THE FEED RATE OF THE SULPHUR AND IN RELATION TO THE ANGLE AND LENGTH OF THE SURFACE OF THE UNDULATION REMOTE FROM A FEEDING SECTION FOR THE SULPHUR SO THAT MOLTEN SULPHUR IS CAUSED TO FORM INTO A LAYER AND SOLIDIFY ON THE BELT AS IT PASSES THROUGH THE POOL. COOLED OR PARTIALLY COOLED SULPHUR IS THEN DELIVERED FROM THE SURFACE OF THE BELT. THE ANGLE OF UNDULATION EXTENDING UPWARDLY AND AWAY FROM THE FEEDING SECTION IS NORMALLY WITHIN THE RANGE OF ONE HALF A DEGREE TO ABOUT THREE DEGREES. APPARATUS FOR USE IN THE SOLIDIFICATION OF MOLTEN SULPHUR IS ALSO PROVIDED. A COOLING TANK ASSEMBLY PROVIDED WITH A PURALITY OF GENERALLY TRANSVERSELY DISPOSED BAFFLES INCLUDES MEANS FOR DIRECTING A SUPPLY OF AIR INTO THE ASSEMBLY WITH AN AIR DEFLECTOR EMBODIED IN THE COOLING TANK STRUCTURE.

Inventors

  • 👤 E Ellithorpe
  • 👤 R Fletcher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 02:48
CPC Classifications
C; C01; C01B; C01B17/00; C01B17/02; C01B17/0216

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-08-26 1978-02-25 1978-08-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-08-26 1982-02-25 1982-08-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-08-26 1986-02-25 1986-08-27 $7700.00 Window Closed / Lapsed

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