Patent US1846448A successfully refreshed from Google Patents.
Patent US3149416A successfully refreshed from Google Patents.
US3149416A
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Multiple forging method
Assignee: Individual
•
Filing: 1961-09-19
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Granted: 1964-09-22
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Expires: 1981-09-19
Abstract
No abstract record available.
Inventors
- 👤 Charles H Mcore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:23
CPC Classifications
B; B21; B21K; B21K23/00; B21K23/04; B21K1/00; B21K1/76; B21K1/761; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49789
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
THE METHOD OF SUCCESSIVELY FORGING A PLURALITY OF RING-LIKE STRUCTURES OF UNIFORM SHAPE, SIZE AND WEIGHT FROM A SINGLE SOLID ELONGATED SUBSTANTIALLY CYLINDRICAL METALLIC BILLET WHICH CONSISTS IN SUPPORTING THE HEATED BILLET WITHIN A RING DIE WITH METAL PROTRUDING THEREFROM IN SUFFICIENT VOLUME TO TAKE THE FORM OF THE RING DIE IN SUCCEEDING MULTIPLES; APPLYING A CLOSURE TO THE BOTTOM OF THE CENTRAL APERTURE IN THE RING DIE; PRESSING THE PROTRUDING PORTION OF THE HEATED BILLET TO CONFORM TO THE ENTIRELY OF THE INTERIOR OF THE RING DIE INCLUDING THE CENTRALLY APERTURED PORTION THEREOF; REMOVING THE CLOSURE FROM THE BOTTOM OF THE CENTRAL APERTURE IN THE RING DIE; PASSING A PUNCH OF EQUAL DIAMETER THROUGH THE CENTRAL APERTURE OF THE RING DIE, REMOVING THE RING-LIKE STRUCTURE THUS FORMED FROM THE RING DIE, ELEVATING THE SLUG FORMED BY THE PUNCHING STEP TO A POSITION SIMILAR TO THE POSITION OF THE INITIAL BODY, AND REPEATING THE AFOREMENTIONED STEPS.
Claim 2
Independent Claim
156 words
THE METHOD OF SUCCESSIVELY FORGING A PLURALITY OF RING-LIKE STRUCTURES OF UNIFORM SHAPE, SIZE AND WEIGHT FROM A SINGLE SOLID ELONGATED SUBSTANTIALLY CYLINDRICAL METALLIC BILLET WHICH CONSISTS IN SUPPORTING THE HEATED BILLET WITHIN A RING DIE WITH METAL PROTRUDING THEREFROM IN SUFFICIENT VOLUME TO TAKE THE FORM OF THE RING DIE IN SUCCEEDING MULTIPLES; APPLYING A CLOSURE TO THE BOTTOM OF THE CENTRAL APERTURE IN THE RING DIE; PRESSING THE PROTRUDING PORTION OF THE HEATED BILLET TO CONFORM TO THE ENTIRELY OF THE INTERIOR OF THE RING DIE INCLUDING THE CENTRALLY APERTURED PORTION THEREOF; REMOVING THE CLOSURE FROM THE BOTTOM OF THE CENTRAL APERTURE IN THE RING DIE; PASSING A PUNCH OF EQUAL DIAMETER THROUGH THE CENTRAL APERTURE OF THE RING DIE, REMOVING THE RING-LIKE STRUCTURE THUS FORMED FROM THE RING DIE, ELEVATING THE SLUG FORMED BY THE PUNCHING STEP TO A POSITION SIMILAR TO THE POSITION OF THE INITIAL BODY, AND REPEATING THE AFOREMENTIONED STEPS.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |