US3870463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-situ molded reinforced furnace panels
Assignee: Sola Basic Industries Inc
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Filing: 1974-03-27
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Granted: 1975-03-11
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Expires: 1994-03-27
Abstract
Abstract An industrial oven comprises a heating chamber enclosed by side walls between which is positioned a top wall element comprising elements embedded therein and in a portion that fits closely between the side walls and an upper portion which projects laterally from both edges of the heating element portion, the projecting edges resting upon shoulders formed in the top inner edges of the side walls. The reinforcing elements are a plurality of ceramic tubes which extend the breadth of the top plate.
Inventors
- 👤 Ewald R Werych
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:49
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/02
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
67 words
In an industrial furnace and the like having a heating chamber enclosed by side walls, a top insulating wall element positioned across said side walls comprising heating element means embedded in said top insulating wall element in heating relationship to said heating chamber and reinforcing means embedded in said top insulating wall means above said heating element means coextensive with the breadth of said top wall element.
Claim 2
Dependent Claim
67 words
In an industrial furnace and the like having a heating chamber enclosed by side walls, a top insulating wall element positioned across said side walls comprising heating element means embedded in said top insulating wall element in heating relationship to said heating chamber and reinforcing means embedded in said top insulating wall means above said heating element means coextensive with the breadth of said top wall element.
Claim 3
Dependent Claim
67 words
In an industrial furnace and the like having a heating chamber enclosed by side walls, a top insulating wall element positioned across said side walls comprising heating element means embedded in said top insulating wall element in heating relationship to said heating chamber and reinforcing means embedded in said top insulating wall means above said heating element means coextensive with the breadth of said top wall element.
Claim 4
Dependent Claim
67 words
In an industrial furnace and the like having a heating chamber enclosed by side walls, a top insulating wall element positioned across said side walls comprising heating element means embedded in said top insulating wall element in heating relationship to said heating chamber and reinforcing means embedded in said top insulating wall means above said heating element means coextensive with the breadth of said top wall element.
Claim 5
Dependent Claim
41 words
In an industrial furnace as claimed in claim 1 wherein said top element comprises a first plate in which said heating element means is embedded and a second plate integral to said first plate in which said reinforcing means is embedded.
Claim 6
Dependent Claim
25 words
In an industrial furnace as claimed in claim 2 wherein the width of said second plate is greater than the width of said first plate.
Claim 7
Dependent Claim
31 words
In an industrial furnace as claimed in claim 1 wherein said reinfoRcing means comprises a plurality of tubular elements, each having a length equal to the width of the top element.
Claim 8
Dependent Claim
15 words
In an industrial furnace as claimed in claim 4 wherein said tubular elements are ceramic.
Claim 9
Dependent Claim
39 words
In an industrial furnace as claimed in claim 2 wherein each side wall has a longitudinally extending shoulder along the top inner edge thereof, portions of said second plate projecting outwardly of said first plate resting on said shoulders.
Claim 10
Dependent Claim
22 words
In an industrial furnace as claimed in claim 6 wherein said first plate fits closely between said side walls below said shoulders.
References Cited (Backward Citations)
US1444940A
Cited
US3541293A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-10 | 1978-09-09 | 1979-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-10 | 1982-09-09 | 1983-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-10 | 1986-09-09 | 1987-03-11 | $7700.00 | Window Closed / Lapsed |