Patent US3645124A successfully refreshed from Google Patents.
US3645124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forging elongated metal shapes from ingots and resulting product
Assignee: RMI Co
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Filing: 1970-06-25
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Granted: 1972-02-29
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Expires: 1990-06-25
Abstract
Abstract A method of forging an elongated metal shape from an ingot. First the ingot is pressed in the direction of its central axis. Next the partially forged shape is pressed in a direction perpendicular to its central axis to elongate it in a direction at right angles both to the new direction of pressing and to the original axis. The piece then is pressed repeatedly in at least two directions both at right angles to its direction of elongation to produce a shape, the lengthwise axis of which is perpendicular to the original central axis of the ingot.
Inventors
- 👤 Roy E Rohrabaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:19
CPC Classifications
B; B21; B21J; B21J1/00; B21J1/04; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S72/00; Y10S72/70; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
92 words
A method of forging an elongated metal shape from an ingot comprising pressing the ingot first in the direction of its central axis, pressing the partially forged shape next in a direction perpendicular to said axis whereby the piece is elongated in a direction at right angles to said axis, and repeatedly pressing the partially forged shape in at least two directions at right angles to its direcTion of elongation to produce an elongated piece, the lengthwise axis of which lies at right angles to the original central axis of the ingot.
Claim 2
Independent Claim
92 words
A method of forging an elongated metal shape from an ingot comprising pressing the ingot first in the direction of its central axis, pressing the partially forged shape next in a direction perpendicular to said axis whereby the piece is elongated in a direction at right angles to said axis, and repeatedly pressing the partially forged shape in at least two directions at right angles to its direcTion of elongation to produce an elongated piece, the lengthwise axis of which lies at right angles to the original central axis of the ingot.
Claim 3
Dependent Claim
17 words
A method as defined in claim 1 in which the ingot is titanium and is cylindrical originally.
Claim 4
Dependent Claim
41 words
A method as defined in claim 1 in which the directions of pressing are at right angles to each other, one such direction being parallel with the original central axis of the ingot and the other perpendicular to said central axis.
Claim 5
Dependent Claim
33 words
A method as defined in claim 1 in which the first pressing produces a bulbous-shaped piece, the height of which is reduced 30 to 60 percent from the height of the original ingot.
Claim 6
Dependent Claim
16 words
As an article of manufacture, an elongated metal piece produced by the method of claim 1.
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |