Patent US3132545A successfully refreshed from Google Patents.
US3132545A
Expired / Lapsed
US
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Cycloidal rolling mill
Assignee: Individual
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Filing: 1960-05-20
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Granted: 1964-05-12
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Expires: 1980-05-20
Abstract
No abstract record available.
Inventors
- 👤 Vincenzo S Arata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:13
CPC Classifications
B; B21; B21B; B21B1/00; B21B1/16; B21B1/20; B21B19/00; B21B19/02; B21B19/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
A CYCLOIDAL ROLLING MILL FOR REDUCING ROUND WORKPIECES COMPRISING A PLURALITY OF ROTATABLE SUBSTANTIALLY CONE-SHAPED FORMING ROLLS BUNCHED TOGETHER TO DEFINE A LONGITUDINAL EXTENDING TAPERED FORMING STATION WITH THE TAPER OF SAID ROLLS EXTENDING IN THE DIRECTION OF PASSAGE OF A WORKPIECE THROUGH THE FORMING STATION AND THE TAPER OF SAID ROLLS BEING SUCH THAT THEIR DIAMETERS TAKEN IN FIRST SECTIONS PERPENDICULAR TO THEIR LONGITUDINAL AXES HAVE A CONSTANT RATIO WITH THE DIAMETERS OF SAID FORMING STATION TAKEN IN SECOND SECTIONS PERPENDICULAR TO THE AXIS OF THE FORMING STATION WHEREIN THE FIRST AND SECOND SECTIONS INTERCEPT ALONG THE EDGE OF THE FORMING STATION THE LONGITUDINAL AXIS OF EACH SAID FORMING ROLL BEING INCLINED AND SKEW WITH EACH OTHER AND WITH THE LONGITUDINAL AXIS OF SAID FORMING STATION, ROTATION MEANS FOR ROTATING SAID ROLLS TO CAUSE A WORKPIECE TO BE PULLED THROUGH SAID FORMING STATION, AND ROLL REGULATION MEANS FOR MOVING SAID FORMING ROLLS ALONG THEIR LONGITUDINAL AXES TO VARY THE CROSS SECTIONAL AREA OF SAID FORMING STATION.
Claim 2
Dependent Claim
167 words
A CYCLOIDAL ROLLING MILL FOR REDUCING ROUND WORKPIECES COMPRISING A PLURALITY OF ROTATABLE SUBSTANTIALLY CONE-SHAPED FORMING ROLLS BUNCHED TOGETHER TO DEFINE A LONGITUDINAL EXTENDING TAPERED FORMING STATION WITH THE TAPER OF SAID ROLLS EXTENDING IN THE DIRECTION OF PASSAGE OF A WORKPIECE THROUGH THE FORMING STATION AND THE TAPER OF SAID ROLLS BEING SUCH THAT THEIR DIAMETERS TAKEN IN FIRST SECTIONS PERPENDICULAR TO THEIR LONGITUDINAL AXES HAVE A CONSTANT RATIO WITH THE DIAMETERS OF SAID FORMING STATION TAKEN IN SECOND SECTIONS PERPENDICULAR TO THE AXIS OF THE FORMING STATION WHEREIN THE FIRST AND SECOND SECTIONS INTERCEPT ALONG THE EDGE OF THE FORMING STATION THE LONGITUDINAL AXIS OF EACH SAID FORMING ROLL BEING INCLINED AND SKEW WITH EACH OTHER AND WITH THE LONGITUDINAL AXIS OF SAID FORMING STATION, ROTATION MEANS FOR ROTATING SAID ROLLS TO CAUSE A WORKPIECE TO BE PULLED THROUGH SAID FORMING STATION, AND ROLL REGULATION MEANS FOR MOVING SAID FORMING ROLLS ALONG THEIR LONGITUDINAL AXES TO VARY THE CROSS SECTIONAL AREA OF SAID FORMING STATION.
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) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |