Suspended roof and end wall construction for reverberatory furnace
Abstract
Abstract A REFRACTORY FURNACE CONSTRUCTION IS PROVIDED WITH A PANELIZED ROOF USING A HOOKED-ON POST OR GOOSENECK TYPE OF SUSPENSION, AS DISTINGUISHED FROM A SO-CALLED PIGGY-BACK OR CANTILEVERED TYPE. EACH ROOF PANEL COMPRISES A GROUP OF REFRACTORY TILE MEMBERS AND THEIR HANGER CASTINGS CONSTRUCTED FOR UNITIZED MOUNTING WITHIN THE ROOF CONSTRUCTION. IN ADDITION TO SUPPORTING METAL STRUCTURAL FRAMEWORK, A COVER ASSEMBLY IS PROVIDED TO ENABLE CLEANING THE UPPER SURFACES OF AN, IF DESIRED, TO PROVIDE A CONTINUOUS COOLING OF THE UPPER REACHES OF THE REFRACTORY TILE MEMBERS OF THE ROOF. REFRACTORY SIDE WALL PARTS CONVERGE TOWARDS EACH OTHER AND COOPERATE WITH A NOSE PART TO ENCLOSE AN UPTAKE END OF THE FURNACE. THE NOSE PART IS CONSTRUCTED FOR UNITIZED REMOVAL AND INSERTION WITH RESPECT TO THE SIDE WALL PARTS. D R A W I N G
Inventors
- 👤 L Longenecker
Bibliographic Details
Claims Analysis
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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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |