US3207558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and device for transmitting mixed solid-liquid fuel into the blast furnace
Assignee: Yawata Seitetsu KK
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Filing: 1963-03-12
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Granted: 1965-09-21
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Expires: 1983-03-12
Abstract
No abstract record available.
Inventors
- 👤 Kodama Koretaka
- 👤 Shigemi Akitoshi
- 👤 Ogata Toshimitsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:00
CPC Classifications
F; F23; F23C; F23C99/00; C; C21; C21B; C21B5/00; C21B5/001; C21B5/003; C21B5/004; C21B7/00; C21B7/16; F23B; F23B7/00; F23K; F23K5/00; F23K5/02; F23K5/14; F23K5/20; F23B2700/00; F23B2700/023; F23C2700/00; F23C2700/06; F23C2700/063
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
75 words
A METHOD FOR CONVEYING A MIXTURE OF SOLID FUEL PARTICLES AND A LIQUID FUEL COMPRISING CONFINING SAID MIXTURE, HEATING SAID MIXUTRE WHILE SO CONFINED TO DECREASE THE VISCOSITY OF SAID MIXTURE, INTRODUCING A VORTICAL FLOW OF A COMPRESSED GAS INTO SAID CONFINED MIXTURE SO AS TO SIMULTANEOUSLY AGITATE SAID MIXTURE TO MAINTAIN SAID PARTICLES IN SUSPENSION IN SAID LIQUID AND TO PRESSURIZE SAID AGITATED AND HEATED MIXTURE AND WITHDRAWING SAID HEATED AND PRESSURIZED AGITATED MIXTURE.
Claim 2
Independent Claim
75 words
A METHOD FOR CONVEYING A MIXTURE OF SOLID FUEL PARTICLES AND A LIQUID FUEL COMPRISING CONFINING SAID MIXTURE, HEATING SAID MIXUTRE WHILE SO CONFINED TO DECREASE THE VISCOSITY OF SAID MIXTURE, INTRODUCING A VORTICAL FLOW OF A COMPRESSED GAS INTO SAID CONFINED MIXTURE SO AS TO SIMULTANEOUSLY AGITATE SAID MIXTURE TO MAINTAIN SAID PARTICLES IN SUSPENSION IN SAID LIQUID AND TO PRESSURIZE SAID AGITATED AND HEATED MIXTURE AND WITHDRAWING SAID HEATED AND PRESSURIZED AGITATED MIXTURE.
Claim 3
Independent Claim
82 words
AN APPARATUS FOR CONVEYING A MIXTURE OF SOLID AND LIQUID FUELS COMPRISING IN COMBINATION MEANS FOR CONFINING SAID MIXTURE, MEANS OPERATIVELY ASSOCIATED WITH SAID CONFINING MEANS TO DECREASE THE VISCOSITY OF SAID MIXTURE, MEANS TO SUPPLY SAID MIXTURE TO SAID CONFINING MEANS, MEANS TO AGITATE AND PRESSURIZE SAID CONFINED MIXTURE INTO A VORITICAL FLOW PATH AND TO SIMULTANEOUSLY PRESSUREZE SAID SO AGITATED MIXTURE AND MEANS TO WITHDRAW SAID AGITATE AND PRESSURIZED MIXTURE IN A STATE OF DECREASED VISCOSIY FROM SAID CONFINING MEANS.
Claim 4
Independent Claim
82 words
AN APPARATUS FOR CONVEYING A MIXTURE OF SOLID AND LIQUID FUELS COMPRISING IN COMBINATION MEANS FOR CONFINING SAID MIXTURE, MEANS OPERATIVELY ASSOCIATED WITH SAID CONFINING MEANS TO DECREASE THE VISCOSITY OF SAID MIXTURE, MEANS TO SUPPLY SAID MIXTURE TO SAID CONFINING MEANS, MEANS TO AGITATE AND PRESSURIZE SAID CONFINED MIXTURE INTO A VORITICAL FLOW PATH AND TO SIMULTANEOUSLY PRESSUREZE SAID SO AGITATED MIXTURE AND MEANS TO WITHDRAW SAID AGITATE AND PRESSURIZED MIXTURE IN A STATE OF DECREASED VISCOSIY FROM SAID CONFINING MEANS.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |