US3190099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll changing apparatus
Assignee: United Engineering and Foundry Co
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Filing: 1962-09-28
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Granted: 1965-06-22
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Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Maurice F Sieger
- 👤 James R Adair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:08
CPC Classifications
B; B21; B21B; B21B31/00; B21B31/08; B21B31/10; B21B13/00; B21B13/02; B21B13/08; B21B13/10; B21B2013/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
IN COMBINATION WITH A ROLLING MILL HAVING AT LEAST TWO ROLLS IN WHICH SAID ROLLS ARE ARRANGED SUBSTANTIALLY IN A COMMON VERTICAL PLANE, A ROLL CHANGING APPARATUS COMPRISING A FIRST RIG HAVING A FIRST SUPPORTING AREA FOR RECEIVING A ROLL WITHDRAWN FROM THE MILL AND A SECOND AREA FOR SUPPORTING A REPLACEMENT ROLL TO BE INSERTED INTO SAID MILL, A SUBSTRUCTURE SUPPORTING SAID FIRST RIG AT AN ELEVATION SUBSTANTIALLY COINCIDENT WITH AT LEAST A PORTION OF THE UPPER-MOST ROLL, SAID FIRST RIG BEING ARRANGED SO THAT ITS FIRST AND SECOND SUPPORTING AREA CAN BE BROUGHT INTO AN OPERATIVE RECEIVING AND INSERTING POSITION, RESPECTIVELY, RELATIVE TO THE UPPER-MOST ROLL OF SAID MILL, A SECOND RIG HAVING A FIRST SUPPORTING AREA FOR RECEIVING A ROLL WITHDRAWN FROM THE MILL AND A SECOND AREA FOR SUPPORTING A REPLACEMENT ROLL TO BE INSERTED INTO THE MILL, SAID SECOND RIG BEING ARRANGED TO PASS BENEATH THE FIRST RIG AT AN ELEVATION SUBSTANTIALLY COINCIDENT WITH AT LEAST A PORTION OF THE LOWER-MOST ROLL, SAID SECOND RIG BEING ARRANGED SO THAT ITS FIRST AND SECOND SUPPORTING AREAS CAN BE BROUGHT INTO THEIR
Claim 2
Dependent Claim
185 words
IN COMBINATION WITH A ROLLING MILL HAVING AT LEAST TWO ROLLS IN WHICH SAID ROLLS ARE ARRANGED SUBSTANTIALLY IN A COMMON VERTICAL PLANE, A ROLL CHANGING APPARATUS COMPRISING A FIRST RIG HAVING A FIRST SUPPORTING AREA FOR RECEIVING A ROLL WITHDRAWN FROM THE MILL AND A SECOND AREA FOR SUPPORTING A REPLACEMENT ROLL TO BE INSERTED INTO SAID MILL, A SUBSTRUCTURE SUPPORTING SAID FIRST RIG AT AN ELEVATION SUBSTANTIALLY COINCIDENT WITH AT LEAST A PORTION OF THE UPPER-MOST ROLL, SAID FIRST RIG BEING ARRANGED SO THAT ITS FIRST AND SECOND SUPPORTING AREA CAN BE BROUGHT INTO AN OPERATIVE RECEIVING AND INSERTING POSITION, RESPECTIVELY, RELATIVE TO THE UPPER-MOST ROLL OF SAID MILL, A SECOND RIG HAVING A FIRST SUPPORTING AREA FOR RECEIVING A ROLL WITHDRAWN FROM THE MILL AND A SECOND AREA FOR SUPPORTING A REPLACEMENT ROLL TO BE INSERTED INTO THE MILL, SAID SECOND RIG BEING ARRANGED TO PASS BENEATH THE FIRST RIG AT AN ELEVATION SUBSTANTIALLY COINCIDENT WITH AT LEAST A PORTION OF THE LOWER-MOST ROLL, SAID SECOND RIG BEING ARRANGED SO THAT ITS FIRST AND SECOND SUPPORTING AREAS CAN BE BROUGHT INTO THEIR
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |