US3273369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Straightening machine
Assignee: Siegener Maschinenbau GmbH
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Filing: 1963-09-09
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Granted: 1966-09-20
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Expires: 1983-09-09
Abstract
No abstract record available.
Inventors
- 👤 Otto Mödder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:19
CPC Classifications
B; B21; B21D; B21D3/00; B21D3/02; B21D3/05; B21D1/00; B21D1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A STRAIGHTENING MACHINE FOR MATERIALS SUCH AS, SHEETS AND RAILS, COMPRISING, A RELATIVELY RIGID HEAVY OUTER HOUSING HAVING A WINDOW, A RELATIVELY LIGHT PORTABLE INTERMEDIATE FRAME RECEIVED IN THE WINDOW OF SAID OUTER HOUSING AND ENGAGEABLE WITH SAID OUTER HOUSING ON A FIRST SIDE OF A PASS OPENING BETWEEN WHICH THE MATERIAL IS FED, TWO GROUPS OF STRAIGHTENING ROLLS RECEIVED IN SAID INTERMEDIATE FRAME AND FORMING SAID PASS OPENING, SAID ROLLS OF ONE GROUP BEING POSITIONED IN A STAGGERED RELATIONSHIP TO THE ROLLS OF THE OTHER GROUP WHEREIN THE ROLLS ACT UPON THE OPPOSITE SIDES OF THE MATERIAL, GUIDE BOXES ROTATABLY RECEIVING THE ROLLS OF AT LEAST ONE GROUP OF ROLLS, DISPLACEABLE TOWARD AND AWAY FROM THE ROLLS OF THE OTHER GROUP, AND MEANS CARRIED BY SAID OUTER HOUSING PROJECTABLE FROM A SIDE OPPOSITE SAID FIRST SIDE OF SAID PASS OPENING WITH RESEPCT TO SAID ROLLS, AND ENGAGING SAID GUIDE BOXES FOR SUPPORTING THE ROLLS OF SAID ONE GROUP INDEPENDENT OF SAID INTERMEDIATE FRAME.
Claim 2
Dependent Claim
164 words
A STRAIGHTENING MACHINE FOR MATERIALS SUCH AS, SHEETS AND RAILS, COMPRISING, A RELATIVELY RIGID HEAVY OUTER HOUSING HAVING A WINDOW, A RELATIVELY LIGHT PORTABLE INTERMEDIATE FRAME RECEIVED IN THE WINDOW OF SAID OUTER HOUSING AND ENGAGEABLE WITH SAID OUTER HOUSING ON A FIRST SIDE OF A PASS OPENING BETWEEN WHICH THE MATERIAL IS FED, TWO GROUPS OF STRAIGHTENING ROLLS RECEIVED IN SAID INTERMEDIATE FRAME AND FORMING SAID PASS OPENING, SAID ROLLS OF ONE GROUP BEING POSITIONED IN A STAGGERED RELATIONSHIP TO THE ROLLS OF THE OTHER GROUP WHEREIN THE ROLLS ACT UPON THE OPPOSITE SIDES OF THE MATERIAL, GUIDE BOXES ROTATABLY RECEIVING THE ROLLS OF AT LEAST ONE GROUP OF ROLLS, DISPLACEABLE TOWARD AND AWAY FROM THE ROLLS OF THE OTHER GROUP, AND MEANS CARRIED BY SAID OUTER HOUSING PROJECTABLE FROM A SIDE OPPOSITE SAID FIRST SIDE OF SAID PASS OPENING WITH RESEPCT TO SAID ROLLS, AND ENGAGING SAID GUIDE BOXES FOR SUPPORTING THE ROLLS OF SAID ONE GROUP INDEPENDENT OF SAID INTERMEDIATE FRAME.
References Cited (Backward Citations)
US1003575A
Cited
US2806508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |