US4298053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Casting belts for machines for the continuous casting of metals
Assignee: SA ACEC-UNION MINIERE NV A Co UNDER LAW OF BELGIUM
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Filing: 1975-03-07
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Granted: 1981-11-03
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Expires: 1995-03-07
Abstract
Abstract An endless casting belt for machines for continuous casting of metals, said casting belt being provided with a layer of an anti-adhesion agent and having at least in the "welding zone" a coating resistant to stress corrosion cracking when in contact with the liquid metal to be cast and with the said anti-adhesion agent.
Inventors
- 👤 John Dompas
- 👤 Charles J. Petry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:24
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/06; B22D11/0637; B22D11/0648; B22D11/0654
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
111 words
An endless casting belt for use on a machine for the continuous casting of metals, said endless belt consisting essentially of a belt of mild killed steel containing 0.2 to 0.8% by weight of titanium, said belt having been welded together at its ends in a "welding zone" to form an endless belt, an 0.05 mm thick primer layer of an 80:20 nickel-aluminum alloy overlying said welding zone, a first coating between 0.01 and 0.5 mm thick covering said primer layer, said first coating being selected from the group consisting of chromium, chromium alloy, nickel, nickel alloy and stainless steel, and a second coating of colloidal graphite covering said first coating.
Claim 2
Dependent Claim
111 words
An endless casting belt for use on a machine for the continuous casting of metals, said endless belt consisting essentially of a belt of mild killed steel containing 0.2 to 0.8% by weight of titanium, said belt having been welded together at its ends in a "welding zone" to form an endless belt, an 0.05 mm thick primer layer of an 80:20 nickel-aluminum alloy overlying said welding zone, a first coating between 0.01 and 0.5 mm thick covering said primer layer, said first coating being selected from the group consisting of chromium, chromium alloy, nickel, nickel alloy and stainless steel, and a second coating of colloidal graphite covering said first coating.
Claim 3
Dependent Claim
22 words
An endless casting belt according to claim 1 wherein said first coating covers the entire casting surface of said endless casting belt.
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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) | 1984-11-02 | 1985-05-04 | 1985-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-02 | 1989-05-04 | 1989-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-02 | 1993-05-04 | 1993-11-03 | $7700.00 | Window Closed / Lapsed |