US3739833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Assembly method for the lining of hot tops and the like in foundry practice
Assignee: Foseco Trading AG
•
Filing: 1971-10-31
•
Granted: 1973-06-19
•
Expires: 1991-10-31
Abstract
Abstract Hot top tiles are secured together by the use of H-section metal strips, the edges of the tiles being secured in the openings of the H-section.
Inventors
- 👤 P Rausch
- 👤 W Todish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:12
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/06; B22D7/10; B22D7/108; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49826; Y10T29/49945
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
85 words
In the process of producing ingots and metal castings wherein linings are provided for the heads of ingot moulds or hot tops, the steps of (1) forming a lining by assembling slabs of material in edge abutting relationship by providing between abutting edges of said slabs a strip of metal of generally H-shaped section and securing the edges to be abutted in the openings of the H-shaped section and (2) inserting said so assembled lining into the heads of said ingot moulds or hot tops.
Claim 2
Dependent Claim
85 words
In the process of producing ingots and metal castings wherein linings are provided for the heads of ingot moulds or hot tops, the steps of (1) forming a lining by assembling slabs of material in edge abutting relationship by providing between abutting edges of said slabs a strip of metal of generally H-shaped section and securing the edges to be abutted in the openings of the H-shaped section and (2) inserting said so assembled lining into the heads of said ingot moulds or hot tops.
Claim 3
Dependent Claim
32 words
In the process of claim 1, the use of strips of metal in which the edges of the H-section which in use lie against the slab are provided with a turned-in lip.
References Cited (Backward Citations)
US994128A
Cited
US2079635A
Cited
US2388297A
Cited
US2456929A
Cited
US2638162A
Cited
AT230561B
Cited
US3134020A
Cited
US3110942A
Cited
US3216538A
Cited
US3209413A
Cited
US3216688A
Cited
US3458169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |