US3123471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nickel bonding method
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:33
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/06; B22F7/062; B22F7/064; B22F2999/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
THE METHOD OF MANUFACTURING A METALLURGICALLY BONDED TOGETHER ASSEMBLY COMPRISING A FIRST POWDERED METAL PART HAVING A PORTION SURROUNDED BY A PORTION OF A SECOND POWDERED METAL PART, WHICH CONSISTS IN COMPRESSING FIRST TO A BRIQUETTE OF A DESIRED SHAPE A FIRST CHARGE OF METAL POWDER OF THE TYPE WHICH GROWS UPON SINTERING, COMPRESSING A SECOND CHARGE OF AMETAL POWDER OF THE TYPE WHICH SHRINKS UPON SINTERING TO A SECOND BRIQUETTE OF A DESIRED SHAPE HAVING A PASSAGE FOR RECEIVING A PORTION OF SAID FIRST BRIQUETTE IN CLOSE FITTING RELATIONSHIP, IMMERSING SAID BRIQUETTES IN A NICKEL IMMERSION PLATING BATH TO FORM THEREON LAYERS OF NICKEL, ASSEMBLING SAID BRIQUETTES WITH A PORTION OF SAID FIRST BRIQUETTE FITTED IN THE PASSAGE OF SAID SECOND BRIQUETTE AND SIMULTANEOUSLY SINTERING SAID FIRST AND SECOND BRIQUETTES AND BONDING THEM TOGETHER UNDER THE PRESSURE RESULTING FRM GROWTH AND SHRINKAGE RESPECTIVELY OF SAID FIRST AND SECOND BRIQUETTES BY HEATING SAID ASSEMBLY IN A REDUCING ATMOSPHERE AND AT A SINTERING TEMPERATURE NOT IN EXCESS OF THE MELTING POINT OF SAID NICKEL LAYERS.
Claim 2
Independent Claim
174 words
THE METHOD OF MANUFACTURING A METALLURGICALLY BONDED TOGETHER ASSEMBLY COMPRISING A FIRST POWDERED METAL PART HAVING A PORTION SURROUNDED BY A PORTION OF A SECOND POWDERED METAL PART, WHICH CONSISTS IN COMPRESSING FIRST TO A BRIQUETTE OF A DESIRED SHAPE A FIRST CHARGE OF METAL POWDER OF THE TYPE WHICH GROWS UPON SINTERING, COMPRESSING A SECOND CHARGE OF AMETAL POWDER OF THE TYPE WHICH SHRINKS UPON SINTERING TO A SECOND BRIQUETTE OF A DESIRED SHAPE HAVING A PASSAGE FOR RECEIVING A PORTION OF SAID FIRST BRIQUETTE IN CLOSE FITTING RELATIONSHIP, IMMERSING SAID BRIQUETTES IN A NICKEL IMMERSION PLATING BATH TO FORM THEREON LAYERS OF NICKEL, ASSEMBLING SAID BRIQUETTES WITH A PORTION OF SAID FIRST BRIQUETTE FITTED IN THE PASSAGE OF SAID SECOND BRIQUETTE AND SIMULTANEOUSLY SINTERING SAID FIRST AND SECOND BRIQUETTES AND BONDING THEM TOGETHER UNDER THE PRESSURE RESULTING FRM GROWTH AND SHRINKAGE RESPECTIVELY OF SAID FIRST AND SECOND BRIQUETTES BY HEATING SAID ASSEMBLY IN A REDUCING ATMOSPHERE AND AT A SINTERING TEMPERATURE NOT IN EXCESS OF THE MELTING POINT OF SAID NICKEL LAYERS.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |