US3123910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
neilson
Assignee: Lukens Inc
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Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:37
CPC Classifications
B; B21; B21J; B21J5/00; B21J5/06; B21J5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A METHOD OF UPSETTING METAL AROUND AN OPENING IN A METAL BODY WHICH COMPRISES THE STEPS OF HEATING THE METAL AROUND SAID OPENING TO A STATE OF WORKABLE PLASTICITY, PLACING THE HEATED METAL BODY IN A PRESS OVER A DIE BED, ENLARGING SAID OPENING AND FLUING THE HEATED METAL SUBSTANTIALLY TO COINCIDE WITH THE SURFACE OF AN OBTUSE TRUNCATED CONE AROUND SAID OPENING AWAY FROM SAID DIE BED BY FORCING A TAPERED DIE PLUG THROUGH SAID OPENING SO THAT THE METAL AROUND THE OPENING REMAINS SUBSTANTIALLY UNTHINNED, WITHDRAWING SAID PLUGG, FORMING A THICKENED PORTION AROUND SAID OPENING AND FLATTENING SAID FLUED PORTION BY FORCING SAID PORTION AGAINST SAID DIE BED WITH A FURTHER DIE PLUG WHICH INCLUDES MEANS TO RETAIN SAID OPENING AT ITS ENLARGED DIMENSION WHEREBY SAID METAL IS CROWDED BETWEEN THE DIE BED AND THE FURTHER DIE PLUG AND ROLLOVER OF THE FLUED PORTION IS PREVENTED.
Claim 2
Independent Claim
148 words
A METHOD OF UPSETTING METAL AROUND AN OPENING IN A METAL BODY WHICH COMPRISES THE STEPS OF HEATING THE METAL AROUND SAID OPENING TO A STATE OF WORKABLE PLASTICITY, PLACING THE HEATED METAL BODY IN A PRESS OVER A DIE BED, ENLARGING SAID OPENING AND FLUING THE HEATED METAL SUBSTANTIALLY TO COINCIDE WITH THE SURFACE OF AN OBTUSE TRUNCATED CONE AROUND SAID OPENING AWAY FROM SAID DIE BED BY FORCING A TAPERED DIE PLUG THROUGH SAID OPENING SO THAT THE METAL AROUND THE OPENING REMAINS SUBSTANTIALLY UNTHINNED, WITHDRAWING SAID PLUGG, FORMING A THICKENED PORTION AROUND SAID OPENING AND FLATTENING SAID FLUED PORTION BY FORCING SAID PORTION AGAINST SAID DIE BED WITH A FURTHER DIE PLUG WHICH INCLUDES MEANS TO RETAIN SAID OPENING AT ITS ENLARGED DIMENSION WHEREBY SAID METAL IS CROWDED BETWEEN THE DIE BED AND THE FURTHER DIE PLUG AND ROLLOVER OF THE FLUED PORTION IS PREVENTED.
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |