US3344637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strip rolling mill system and process
Assignee: Individual
•
Filing: 1965-02-01
•
Granted: 1967-10-03
•
Expires: 1985-02-01
Abstract
No abstract record available.
Inventors
- 👤 Natalis H Polakowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:29
CPC Classifications
B; B21; B21B; B21B37/00; B21B37/48; B21B37/50; B21B1/00; B21B1/22; B21B1/30; B21B37/28; B21D; B21D1/00; B21D1/02; B21B1/32; B21B1/36; B21B2203/00; B21B2203/18; B21B2203/187; B21B2263/00; B21B2263/04; B21B39/00; B21B39/02; B21B39/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A ROLLING MILL OPERATION FOR ROLLING OF METAL SHEET, STRIP AND THE LIKE WHEREIN THE METAL IS PASSED BETWEEN REDUCING ROLLS FOR DECREASING ITS THICKNESS, THE IMPROVEMENT COMPRISING MEANS ADAPTED TO TWIST SAID METAL RELATIVE TO THE ROLLING PLANE FOR SELECTIVELY INCREASING THE TENSION OF THE LATERAL EDGES OF THE METAL TO INCREASE THE ELONGATION IN SAID EDGES AND THEREBY OFFSET THE OVER-ROLLING OF THE CENTER OF THE STRIP BY THE REDUCING ROLLS WHEREBY A MORE UNIFORM ROLLED PRODUCT WILL RESULT, IN WHICH SAID TWISTING MEANS COMPRISE THE COMBINATION OF A PAIR OF ALIGNED DEFLECTOR ROLLS ADAPTED TO CONTACT ONE SURFACE OF SAID METAL, A FLEXING ROLL SITUATED BETWEEN SAID DEFLECTOR ROLLS AND ADAPTED TO CONTACT THE OTHER SURFACE OF SAID METAL WHEREBY SAID METAL IS FLEXED WHEN PASSING OVER SAID ROLLS, AND A BACK UP ROLL FOR SAID FLEXING ROLL.
Claim 2
Dependent Claim
142 words
IN A ROLLING MILL OPERATION FOR ROLLING OF METAL SHEET, STRIP AND THE LIKE WHEREIN THE METAL IS PASSED BETWEEN REDUCING ROLLS FOR DECREASING ITS THICKNESS, THE IMPROVEMENT COMPRISING MEANS ADAPTED TO TWIST SAID METAL RELATIVE TO THE ROLLING PLANE FOR SELECTIVELY INCREASING THE TENSION OF THE LATERAL EDGES OF THE METAL TO INCREASE THE ELONGATION IN SAID EDGES AND THEREBY OFFSET THE OVER-ROLLING OF THE CENTER OF THE STRIP BY THE REDUCING ROLLS WHEREBY A MORE UNIFORM ROLLED PRODUCT WILL RESULT, IN WHICH SAID TWISTING MEANS COMPRISE THE COMBINATION OF A PAIR OF ALIGNED DEFLECTOR ROLLS ADAPTED TO CONTACT ONE SURFACE OF SAID METAL, A FLEXING ROLL SITUATED BETWEEN SAID DEFLECTOR ROLLS AND ADAPTED TO CONTACT THE OTHER SURFACE OF SAID METAL WHEREBY SAID METAL IS FLEXED WHEN PASSING OVER SAID ROLLS, AND A BACK UP ROLL FOR SAID FLEXING ROLL.
References Cited (Backward Citations)
US3039513A
Cited
US3081651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |