Patent US3293707A successfully refreshed from Google Patents.
US3293707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods in continuous casting
Assignee: Individual
•
Filing: 1963-11-15
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Granted: 1966-12-27
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Olsson Erik Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:44
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A METHOD OF CONTINUOUS CASTING WITH A RECIPROCATING MOLD, COMPRISING THE STEPS OF CONTINUOUSLY POURING MOLTEN METAL INTO ONE END OF A MOLD OPEN AT OPPOSITE ENDS, AND CONTINUOUSLY WITHDRAWING A PARTLY SOLIDIFIED CASTING FROM THE OPPOSITE END OF THE MOLD WHILE APPLYING OPPOSITE SEQUENTIAL FORCES TO RECIPROCATE THE MOLD BACK AND FORTH IN THE LINE OF CASTING WITHDRAWAL, THE RECIPROCATING FORCE APPLIED IN THE ADVANCING DIRECTION OF CASTING DURING EACH CYCLE OF RECIPROCATION BEING OF SUCH STRENGTH THAT THE MOLD IN ABSENCE OF FRICTION AND STICKING RESISTANCE SHOULD ATTAIN A GREATER VELOCITY THAN THE CASTING BUT DUE TO SAID RESISTANCE IS BRAKED TO AN EXTENT THAT THE CASTING AND THE MOLD HAVE SUBSTANTIALLY THE SAME VELOCITY, WHEREBY DURING SIMULTANEOUS MOVEMENTS OF THE MOLD AND CASTING IN THE SAME DIRECTION THE MOLD EXERTS A LONGITUDINAL PRESSURE ON THE CASTING TO COMPRESS ANY FISSURES IN THE SKIN OF THE CASTING.
Claim 2
Independent Claim
149 words
A METHOD OF CONTINUOUS CASTING WITH A RECIPROCATING MOLD, COMPRISING THE STEPS OF CONTINUOUSLY POURING MOLTEN METAL INTO ONE END OF A MOLD OPEN AT OPPOSITE ENDS, AND CONTINUOUSLY WITHDRAWING A PARTLY SOLIDIFIED CASTING FROM THE OPPOSITE END OF THE MOLD WHILE APPLYING OPPOSITE SEQUENTIAL FORCES TO RECIPROCATE THE MOLD BACK AND FORTH IN THE LINE OF CASTING WITHDRAWAL, THE RECIPROCATING FORCE APPLIED IN THE ADVANCING DIRECTION OF CASTING DURING EACH CYCLE OF RECIPROCATION BEING OF SUCH STRENGTH THAT THE MOLD IN ABSENCE OF FRICTION AND STICKING RESISTANCE SHOULD ATTAIN A GREATER VELOCITY THAN THE CASTING BUT DUE TO SAID RESISTANCE IS BRAKED TO AN EXTENT THAT THE CASTING AND THE MOLD HAVE SUBSTANTIALLY THE SAME VELOCITY, WHEREBY DURING SIMULTANEOUS MOVEMENTS OF THE MOLD AND CASTING IN THE SAME DIRECTION THE MOLD EXERTS A LONGITUDINAL PRESSURE ON THE CASTING TO COMPRESS ANY FISSURES IN THE SKIN OF THE CASTING.
References Cited (Backward Citations)
US2135183A
Cited
US3025579A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |