Patent US3042510A successfully refreshed from Google Patents.
US3042510A
Expired / Lapsed
US
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Degasification of molten steel
Assignee: WC Heraus GmbH and Co KG
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Filing: 1959-11-19
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Granted: 1962-07-03
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Expires: 1979-11-19
Abstract
No abstract record available.
Inventors
- 👤 Armbruster Werner
- 👤 Maas Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:47
CPC Classifications
C; C21; C21C; C21C7/00; C21C7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN A METHOD FOR DEGASIFYING MOLTEN STEEL IN WHICH THE MOLTEN METAL GIVES OF AT LEAST PART OF THE GASES WHICH ARE CONTAINED IN IT INTO AN EVACULATED CHAMBER SITUATEED ABOVE THE SURFACE OF THE MOLTEN METAL AND IN WHICH THE MOLTEN METAL IS CONVEYED INTO TTHE EVACUATED CHAMBER THROUGH A FIRST TUBE BY AID OF AN INTRODUCED GAS AND RETURNS THROUHG A SECOND TUBE INTO THE MELT, THE STEP OF INTRODUCING GASES INTO THE FIRST TUBE AT A PLURALITY OF SUPERIMPOSED DELIVEERY POINTS POSITIONEED AT A ZONE DIVERRGING IN THE DIRECTION OF GAS FLOW.
Claim 2
Dependent Claim
95 words
IN A METHOD FOR DEGASIFYING MOLTEN STEEL IN WHICH THE MOLTEN METAL GIVES OF AT LEAST PART OF THE GASES WHICH ARE CONTAINED IN IT INTO AN EVACULATED CHAMBER SITUATEED ABOVE THE SURFACE OF THE MOLTEN METAL AND IN WHICH THE MOLTEN METAL IS CONVEYED INTO TTHE EVACUATED CHAMBER THROUGH A FIRST TUBE BY AID OF AN INTRODUCED GAS AND RETURNS THROUHG A SECOND TUBE INTO THE MELT, THE STEP OF INTRODUCING GASES INTO THE FIRST TUBE AT A PLURALITY OF SUPERIMPOSED DELIVEERY POINTS POSITIONEED AT A ZONE DIVERRGING IN THE DIRECTION OF GAS FLOW.
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |