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US3251580A Expired / Lapsed US ⏱️ 0.0 years remaining

High speed mixing head and turbine

Assignee: GIFFORD WOOD Inc
•
Filing: 1964-10-29
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Granted: 1966-05-17
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Expires: 1984-10-29
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Abstract

No abstract record available.

Inventors

  • 👤 Robert E Adams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 08:09
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/86; B01F33/862

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 182 words
IN A HIGH SPEED MIXING HEAD, A STATOR TUBE, A STATOR RING ON THE LOWER END OF SAID TUBE RIGID THEREWITH AND HAVING A FORWARD MAIN CHAMBER AND A PLURALITY OF CIRCUMFERENTIALLY SPACED GENERALLY AXIAL RELATIVELY SMALL OPENINGS LEADING FROM SAID CHAMBER AND OPENING THROUGH THE OTHER END OF SAID RING IN SURROUNDING RELATION TO SAID TUBE, SAID RING HAVING AN INTERNAL CONICALLY TAPERED WALL AT THE JUNCTURE OF SAID OPENINGS AND CHAMBER, A MIXING ROTOR DISPOSED BODILY WITHIN SAID CHAMBER AND HAVING PLURAL CIRCUMFERENTIALLY SPACED BLADES INCLUDING INCLINED CONVERGING EDGES ARRANGED CLOSE TO AND PARALLEL TO SAID TAPERED WALL, SAID BLADES ALSO HAVING SQUARE CORNERS WHOSE ANGULAR EDGES ARE PARALLEL RESPECTIVELY TO THE SIDE WALL OF SAID CHAMBER AND THE FORWARD END OF THE STATOR RING, A HUB ELEMENT INTEGRAL WITH AND CARRYING SAID BLADES AND PROJECTING INTO THE BORE OF THE STATOR TUBE, A ROTARY SHAFT WITHIN THE STATOR TUBE INTERFITTING WITH SAID HUB ELEMENT, AND A BAYONET SLOT AND PIN CONNECTION BETWEEN THE HUB ELEMENT AND SHAFT TO ALLOW READY SEPARATION AND EASY CLEANING OF THE MIXING HEAD PARTS.
Claim 2
Dependent Claim 182 words
IN A HIGH SPEED MIXING HEAD, A STATOR TUBE, A STATOR RING ON THE LOWER END OF SAID TUBE RIGID THEREWITH AND HAVING A FORWARD MAIN CHAMBER AND A PLURALITY OF CIRCUMFERENTIALLY SPACED GENERALLY AXIAL RELATIVELY SMALL OPENINGS LEADING FROM SAID CHAMBER AND OPENING THROUGH THE OTHER END OF SAID RING IN SURROUNDING RELATION TO SAID TUBE, SAID RING HAVING AN INTERNAL CONICALLY TAPERED WALL AT THE JUNCTURE OF SAID OPENINGS AND CHAMBER, A MIXING ROTOR DISPOSED BODILY WITHIN SAID CHAMBER AND HAVING PLURAL CIRCUMFERENTIALLY SPACED BLADES INCLUDING INCLINED CONVERGING EDGES ARRANGED CLOSE TO AND PARALLEL TO SAID TAPERED WALL, SAID BLADES ALSO HAVING SQUARE CORNERS WHOSE ANGULAR EDGES ARE PARALLEL RESPECTIVELY TO THE SIDE WALL OF SAID CHAMBER AND THE FORWARD END OF THE STATOR RING, A HUB ELEMENT INTEGRAL WITH AND CARRYING SAID BLADES AND PROJECTING INTO THE BORE OF THE STATOR TUBE, A ROTARY SHAFT WITHIN THE STATOR TUBE INTERFITTING WITH SAID HUB ELEMENT, AND A BAYONET SLOT AND PIN CONNECTION BETWEEN THE HUB ELEMENT AND SHAFT TO ALLOW READY SEPARATION AND EASY CLEANING OF THE MIXING HEAD PARTS.

References Cited (Backward Citations)

DE1077638B Cited
AT200120B Cited
FR1196567A Cited
US3135500A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-05-16 1969-11-15 1970-05-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-05-16 1973-11-15 1974-05-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-05-16 1977-11-15 1978-05-17 $7700.00 Window Closed / Lapsed

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