US3375792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heating system for tunnel baking oven and like heating chambers
Assignee: KONINKL VERKADE FABRIEKEN NV
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Filing: 1964-09-08
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Granted: 1968-04-02
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Expires: 1984-09-08
Abstract
No abstract record available.
Inventors
- 👤 Wilhelm A Seeder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:34
CPC Classifications
A; A21; A21B; A21B1/00; A21B1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
186 words
A HEATING SYSTEM FOR TUNNEL BAKING OVENS ADAPTED FOR BAKING ARTICLES OF FOOD AND LIKE HEATING CHAMBERS COMPRISING A PLURALITY OF METAL HEATING GAS TUBES PASSING ABOVE AND BELOW THE OVEN TUNNEL SPACE IN THE LONGITUDINAL DIRECTION THEREOF, A LONGITUDINALLY EXTENDING PARTITION WALL POSITIONED WITHIN EACH OF AT LEAST A GROUP OF SAID TUBES, THE FORWARD END OF EACH OF SAID PARTITION WALLS TERMINATING WITHIN THE PATH OF THE FLAME OF A BURNER ARRANGED OPPOSITE TO THE ENTRANCE OF EACH OF SAID TUBES AND EXTENDING IN A DIRECTION CORRESPONDING TO THE DIRECTION OF EACH SAID BURNER FLAME PATH TO GUIDE THE HEATING GASES FROM THE BURNER INTO AND THROUGH THE TUBE ABOVE AND BELOW THE PARTITION WALL THEREIN, AND MEANS FOR ADJUSTING THE PROPORTIONAL AMOUNT OF HEATING GASES STREAMING ABOVE AND BELOW THE SAID PARTITION WALL THROUGH THE SAID TUBE IN RESPONSE TO A WARPING MOVEMENT OF THE END OF THE SAID TUBE OPPOSITE THE SAID BURNER BY WHICH THE POSITION OF THE SAID PARTITION WALL AT THE SAID TUBE END OPPOSITE THE BURNER IS ALTERED WITH RESPECT TO THE CENTER LINE OF THE SAID BURNER.
Claim 2
Dependent Claim
186 words
A HEATING SYSTEM FOR TUNNEL BAKING OVENS ADAPTED FOR BAKING ARTICLES OF FOOD AND LIKE HEATING CHAMBERS COMPRISING A PLURALITY OF METAL HEATING GAS TUBES PASSING ABOVE AND BELOW THE OVEN TUNNEL SPACE IN THE LONGITUDINAL DIRECTION THEREOF, A LONGITUDINALLY EXTENDING PARTITION WALL POSITIONED WITHIN EACH OF AT LEAST A GROUP OF SAID TUBES, THE FORWARD END OF EACH OF SAID PARTITION WALLS TERMINATING WITHIN THE PATH OF THE FLAME OF A BURNER ARRANGED OPPOSITE TO THE ENTRANCE OF EACH OF SAID TUBES AND EXTENDING IN A DIRECTION CORRESPONDING TO THE DIRECTION OF EACH SAID BURNER FLAME PATH TO GUIDE THE HEATING GASES FROM THE BURNER INTO AND THROUGH THE TUBE ABOVE AND BELOW THE PARTITION WALL THEREIN, AND MEANS FOR ADJUSTING THE PROPORTIONAL AMOUNT OF HEATING GASES STREAMING ABOVE AND BELOW THE SAID PARTITION WALL THROUGH THE SAID TUBE IN RESPONSE TO A WARPING MOVEMENT OF THE END OF THE SAID TUBE OPPOSITE THE SAID BURNER BY WHICH THE POSITION OF THE SAID PARTITION WALL AT THE SAID TUBE END OPPOSITE THE BURNER IS ALTERED WITH RESPECT TO THE CENTER LINE OF THE SAID BURNER.
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) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |