US3226036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nozzle for gunning refractory material
Assignee: Kaiser Aluminum and Chemical Corp
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Filing: 1963-02-05
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Granted: 1965-12-28
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Expires: 1983-02-05
Abstract
No abstract record available.
Inventors
- 👤 Chester N Grahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:05
CPC Classifications
B; B28; B28C; B28C5/00; B28C5/02; B28C5/026; B05; B05B; B05B7/00; B05B7/14; B05B7/1481; B05B7/149; E; E04; E04F; E04F21/00; E04F21/02; E04F21/06; E04F21/08; E04F21/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A NOZZLE DEVICE FOR GUNNING FLUENT, CEMETITIOUS REFRACTORY MATERIAL TO FURNACE LINING: A TUBULAR MEANS FOR CONDUCTING A RAPID FLOW OF SAID REFRACTORY MATERIAL TO SAID DEVICE; A PRIMARY WATER AND AIR INJECTION MEANS; A SECONDARY WATER AND AIR INJECTION MEANS; A TURBULENCEINDUCING MEANS DISPOSED BETWEEN SAID PRIMARY AND SAID SECONDARY INJECTION MEANS, SAID TURBULENCE-INDUCING MEANS COMPRISING A TUBULAR DEVICE HAVING AN INTERIOR CROSS-SECTION TAPERING OUTWARDLY IN THE DIRECTION OF FLOW OF THE MATERIAL AND HAVING A CONTINUOUS SPIRAL PROJECTION ON ITS INNER SURFACE, AND AN ANNULAR BAFFLE ELEMENT DISPOSED ADJACENT THE OUTLET OF SAID TUBULAR DEVICE AND INTEGRAL WITH THE INTERNAL SURFACE THEREOF TO PROVIDE A ZONE OF RESTRICTED FLOW AT THE OUTLET AND OF SAID TUBE AND TO INDUCE TURBULENT FLOW THERETHROUGH; AND AN OUTLET MEANS FOR SAID DEVICE; ALL OF SAID MEANS BEING COAXIALLY ARRANGED IN SERIES WITH EACH OTHER.
Claim 2
Dependent Claim
144 words
IN A NOZZLE DEVICE FOR GUNNING FLUENT, CEMETITIOUS REFRACTORY MATERIAL TO FURNACE LINING: A TUBULAR MEANS FOR CONDUCTING A RAPID FLOW OF SAID REFRACTORY MATERIAL TO SAID DEVICE; A PRIMARY WATER AND AIR INJECTION MEANS; A SECONDARY WATER AND AIR INJECTION MEANS; A TURBULENCEINDUCING MEANS DISPOSED BETWEEN SAID PRIMARY AND SAID SECONDARY INJECTION MEANS, SAID TURBULENCE-INDUCING MEANS COMPRISING A TUBULAR DEVICE HAVING AN INTERIOR CROSS-SECTION TAPERING OUTWARDLY IN THE DIRECTION OF FLOW OF THE MATERIAL AND HAVING A CONTINUOUS SPIRAL PROJECTION ON ITS INNER SURFACE, AND AN ANNULAR BAFFLE ELEMENT DISPOSED ADJACENT THE OUTLET OF SAID TUBULAR DEVICE AND INTEGRAL WITH THE INTERNAL SURFACE THEREOF TO PROVIDE A ZONE OF RESTRICTED FLOW AT THE OUTLET AND OF SAID TUBE AND TO INDUCE TURBULENT FLOW THERETHROUGH; AND AN OUTLET MEANS FOR SAID DEVICE; ALL OF SAID MEANS BEING COAXIALLY ARRANGED IN SERIES WITH EACH OTHER.
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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) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |