US3355922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll forming machine
Assignee: JFE Steel Corp
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Filing: 1965-09-28
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Granted: 1967-12-05
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Utashiro Hiroshi
- 👤 Ohno Kenji
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:35
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN A ROLL FORMING MACHINE INCLUDING AT LEAST ONE ROLLING STATION HAVING PARALLEL SPACED APART SHAFTS AND ROLLER MEANS CARRIED ON ONE OF SAID SHAFTS, SAID ROLLER MEANS HAVING A PLURALITY OF RELATIVELY INCLINED SURFACE PORTIONS ADAPTED TO DEFINE AT LEAST ONE CORNER TO WHICH A STRIP BEING ROLLED IS TO BE CONFORMED, THE IMPROVEMENT WHICH COMPRISES AT LEAST ONE BEARING MEANS CARRIED ON THE OTHER OF SAID SHAFTS AND A ROLLER ELEMENT CARRIED ONE ON EACH OF SAID BEARING MEANS, SAID ROLLER ELEMENT HAVING A DEFORMING SURFACE PORTON ADAPTED TO COACT WITH SAID CORNER TO EFFECT DEFORMATION OF A STRIP BEING ROLLED, SAID BEARING MEANS PERMITTING SAID ROLLER ELEMENT TO BE TILTED WITH RESPECT TO THE AXIS OF SAID OTHER SHAFT, WHEREBY UPON THE FORCING TOGETHER OF SAID SHAFT SAID DEFORMING SURFACE PORTION IS ADAPTED TO EXERT A COMPRESSIVE FORCE ON A STRIP BEING ROLLED IN THE AREA OF SAID CORNER, SAID FORCE HAVING COMPONENTS BOTH PARALLEL AND NORMAL TO THE AXES OF SAID SHAFTS.
Claim 2
Dependent Claim
166 words
IN A ROLL FORMING MACHINE INCLUDING AT LEAST ONE ROLLING STATION HAVING PARALLEL SPACED APART SHAFTS AND ROLLER MEANS CARRIED ON ONE OF SAID SHAFTS, SAID ROLLER MEANS HAVING A PLURALITY OF RELATIVELY INCLINED SURFACE PORTIONS ADAPTED TO DEFINE AT LEAST ONE CORNER TO WHICH A STRIP BEING ROLLED IS TO BE CONFORMED, THE IMPROVEMENT WHICH COMPRISES AT LEAST ONE BEARING MEANS CARRIED ON THE OTHER OF SAID SHAFTS AND A ROLLER ELEMENT CARRIED ONE ON EACH OF SAID BEARING MEANS, SAID ROLLER ELEMENT HAVING A DEFORMING SURFACE PORTON ADAPTED TO COACT WITH SAID CORNER TO EFFECT DEFORMATION OF A STRIP BEING ROLLED, SAID BEARING MEANS PERMITTING SAID ROLLER ELEMENT TO BE TILTED WITH RESPECT TO THE AXIS OF SAID OTHER SHAFT, WHEREBY UPON THE FORCING TOGETHER OF SAID SHAFT SAID DEFORMING SURFACE PORTION IS ADAPTED TO EXERT A COMPRESSIVE FORCE ON A STRIP BEING ROLLED IN THE AREA OF SAID CORNER, SAID FORCE HAVING COMPONENTS BOTH PARALLEL AND NORMAL TO THE AXES OF SAID SHAFTS.
References Cited (Backward Citations)
US2352675A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |