US3345732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of shrink fitting and apparatus therefor
Assignee: General Dynamics Corp
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Filing: 1964-06-11
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Granted: 1967-10-10
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Expires: 1984-06-11
Abstract
No abstract record available.
Inventors
- 👤 David F Brower
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:28
CPC Classifications
B; B23; B23P; B23P11/00; B23P11/02; B21; B21D; B21D26/00; B21D26/14; B23P11/025; C; C21; C21D; C21D1/00; C21D1/34; C21D1/42; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49803; Y10T29/49826; Y10T29/49863; Y10T29/49865; Y10T29/53; Y10T29/53439
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A METHOD OF JOINING MEMBERS WHICH METHOD COMPRISING PROVIDING A FIRST MEMBER AND A SECOND MEMBER LOOSELY FITTED WITHIN THE FIRST MEMBER, VARYING THE TEMPERATURE OF AT LEAST ONE OF THE MEMBERS FROM THE NORMAL TEMPERATURE OF THE MEMBERS TO AN ABNORMAL TEMPERATURE IN A DIRECTION SUCH THAT THE ADJACENT SURFACES OF THE TWO MEMBER MOVE RELATIVELY TOWARDS EACH OTHER ON RETURN TO ITS NORMAL TEMPERATURE, ESTABLISHING A TIME VARYING MAGNETIC FIELD WHICH INTERACTS WITH AN INDUCED CURRENT IN EITHER OF SAID MEMBER WHEN SAID ONE MEMBER IS AT SAID ABNORMAL TEMPERATURE CAUSING THE MEMBER IN WHICH THE CURRENT IS INDUCED TO MOVE RAPIDLY INTO FIRM CONTACT WITH THE OTHER MEMBER BEFORE ANY APPRECIABLE CHANGE IN TEMPERATURE OCCURS IN THE MEMBERS, AND RETURNING THE MEMBERS TO THE NORMAL TEMPERATURE.
Claim 2
Independent Claim
129 words
A METHOD OF JOINING MEMBERS WHICH METHOD COMPRISING PROVIDING A FIRST MEMBER AND A SECOND MEMBER LOOSELY FITTED WITHIN THE FIRST MEMBER, VARYING THE TEMPERATURE OF AT LEAST ONE OF THE MEMBERS FROM THE NORMAL TEMPERATURE OF THE MEMBERS TO AN ABNORMAL TEMPERATURE IN A DIRECTION SUCH THAT THE ADJACENT SURFACES OF THE TWO MEMBER MOVE RELATIVELY TOWARDS EACH OTHER ON RETURN TO ITS NORMAL TEMPERATURE, ESTABLISHING A TIME VARYING MAGNETIC FIELD WHICH INTERACTS WITH AN INDUCED CURRENT IN EITHER OF SAID MEMBER WHEN SAID ONE MEMBER IS AT SAID ABNORMAL TEMPERATURE CAUSING THE MEMBER IN WHICH THE CURRENT IS INDUCED TO MOVE RAPIDLY INTO FIRM CONTACT WITH THE OTHER MEMBER BEFORE ANY APPRECIABLE CHANGE IN TEMPERATURE OCCURS IN THE MEMBERS, AND RETURNING THE MEMBERS TO THE NORMAL TEMPERATURE.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |