Patent US3350084A successfully refreshed from Google Patents.
US3350084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuyere with divided passageway
Assignee: PepsiAmericas Inc
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Filing: 1965-01-26
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Granted: 1967-10-31
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Expires: 1985-01-26
Abstract
No abstract record available.
Inventors
- 👤 James V Lucarell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:58
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A TUYERE OR LIKE FURNACE PART HAVING AN OUTER WALL, AN INNER WALL, A NOSE WALL JOINING SAID OUTER AND INNER AT THE END OF THE TUYERE TO BE INSERTED FARTHEST INTO THE FURNACE, A BUTT WALL JOINING SAID OUTER AND INNER WALL AT THE OTHER END OF THE TUYERE, SAID INNER WALL DEFINING A BORE FOR THE FLOW OF GASES THERETHROUGH FROM THE BUTT AND TO THE NOSE END OF THE TUYERE, AND BAFFLE MEANS IN SAID PASSAGEWAY FOR DIRECTING A FIRST PORTION OF SAID GAS TO EXIT FROM SAID BORE AT AN ANGLE TO A SECOND PORTION OF SAID BLAST EXITING FROM SAID BORE, SAID BAFFLE MEANS EXTENDING REARWARDLY FROM SAID NOSE WALL TOWARDS SAID BUTT WALL AND IS OF TAPERED DECREASING THICKNESS; SAID INNER WALL BEING TAPERED OPPOSITE SAID BAFFLE MEANS TO MAINTAIN EQUAL CROSS-SECTIONAL AREAS OPPOSITE ONE ANOTHER BETWEEN SAID BAFFLE MEANS AND SAID INNER WALL.
Claim 2
Dependent Claim
151 words
IN A TUYERE OR LIKE FURNACE PART HAVING AN OUTER WALL, AN INNER WALL, A NOSE WALL JOINING SAID OUTER AND INNER AT THE END OF THE TUYERE TO BE INSERTED FARTHEST INTO THE FURNACE, A BUTT WALL JOINING SAID OUTER AND INNER WALL AT THE OTHER END OF THE TUYERE, SAID INNER WALL DEFINING A BORE FOR THE FLOW OF GASES THERETHROUGH FROM THE BUTT AND TO THE NOSE END OF THE TUYERE, AND BAFFLE MEANS IN SAID PASSAGEWAY FOR DIRECTING A FIRST PORTION OF SAID GAS TO EXIT FROM SAID BORE AT AN ANGLE TO A SECOND PORTION OF SAID BLAST EXITING FROM SAID BORE, SAID BAFFLE MEANS EXTENDING REARWARDLY FROM SAID NOSE WALL TOWARDS SAID BUTT WALL AND IS OF TAPERED DECREASING THICKNESS; SAID INNER WALL BEING TAPERED OPPOSITE SAID BAFFLE MEANS TO MAINTAIN EQUAL CROSS-SECTIONAL AREAS OPPOSITE ONE ANOTHER BETWEEN SAID BAFFLE MEANS AND SAID INNER WALL.
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |