US3146525A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of strip or sheet stock from molten metals
Assignee: Individual
•
Filing: 1959-08-13
•
Granted: 1964-09-01
•
Expires: 1979-08-13
Abstract
No abstract record available.
Inventors
- 👤 John C Bongiovanni
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:41
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/46; B21B1/466; B21B39/00; B21B39/20; B21B39/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A METHOD FOR PRODUCING METAL IN A ROLLED FORM COMPRISING: FORMING A BODY OF MOLTEN METAL, POURING THE MOLTEN METAL INTO AN INLET OF A MOLD HAVING A VERTICAL DIE-LIKE DOWNWARD DISCHARGE OPENING NORMALLY CLOSED BY METAL SOLIDIFIED THEREIN AS A PLUG, CONTINUOUSLY WITHDRAWING THE PLUG OF METAL DOWNWARD FROM SAID OPENING AT A CONTROLLED LINEAR RATE CORRESPONDING TO THE RATE OF SOLIDIFICATION OF METAL ON THE UPPER END OF THE PLUG THEREBY PROVIDING A CONTINUOUS VERTICAL BILLET OF CROSS-SECTION DETERMINED BY SAID MOLD OPERATING, ROLLING THE BILLET TO A FINAL DIMENSION WITH OPPOSED ROLLS VERTICALLY OSCILLATING LONGITUDINALLY OF THE BILLET BY BRINGING THE ROLLS INTO ENGAGEMENT WITH THE BILLET AND THEREAFTER FORCING THE ROLLS TOWARD EACH OTHER TO A PREDETERMINED SPACING DURING A FIRST PART OF A DOWNWARD STROKE WITH THE ROLLS MAINTAINED AT SUCH SPACING SUBSTANTIALLY TO THE END OF THE STROKE TO PRODUCE ROLLED METAL OF THE DESIRED FORM.
Claim 2
Independent Claim
152 words
A METHOD FOR PRODUCING METAL IN A ROLLED FORM COMPRISING: FORMING A BODY OF MOLTEN METAL, POURING THE MOLTEN METAL INTO AN INLET OF A MOLD HAVING A VERTICAL DIE-LIKE DOWNWARD DISCHARGE OPENING NORMALLY CLOSED BY METAL SOLIDIFIED THEREIN AS A PLUG, CONTINUOUSLY WITHDRAWING THE PLUG OF METAL DOWNWARD FROM SAID OPENING AT A CONTROLLED LINEAR RATE CORRESPONDING TO THE RATE OF SOLIDIFICATION OF METAL ON THE UPPER END OF THE PLUG THEREBY PROVIDING A CONTINUOUS VERTICAL BILLET OF CROSS-SECTION DETERMINED BY SAID MOLD OPERATING, ROLLING THE BILLET TO A FINAL DIMENSION WITH OPPOSED ROLLS VERTICALLY OSCILLATING LONGITUDINALLY OF THE BILLET BY BRINGING THE ROLLS INTO ENGAGEMENT WITH THE BILLET AND THEREAFTER FORCING THE ROLLS TOWARD EACH OTHER TO A PREDETERMINED SPACING DURING A FIRST PART OF A DOWNWARD STROKE WITH THE ROLLS MAINTAINED AT SUCH SPACING SUBSTANTIALLY TO THE END OF THE STROKE TO PRODUCE ROLLED METAL OF THE DESIRED FORM.
References Cited (Backward Citations)
US406946A
Cited
US2008626A
Cited
US2161064A
Cited
US2216718A
Cited
US2284703A
Cited
US2804663A
Cited
US2806263A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |