US3140537A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosive welding process
Assignee: EIDP Inc
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Filing: 1961-06-30
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Granted: 1964-07-14
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Popoff Alexis Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:28
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; B23K20/085; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
194 words
A PROCESS FOR BONDING THE OUTSIDE WALL OF A FIRST METAL TUBE TO THE INSIDE WALL OF A SECOND METAL TUBE BY A CONTINUOUS METALLURGICAL BOND CHARACTERIZED BY THE PRESENCE OF A HOMOGENEOUS MIXTURE OF THE METALS OF THE TWO TUBES TO FORM A LINED TUBE WHICH COMPRISES POSITIONING SAID FIRST METAL TUBE ESSENTIALLY CONCENTRICALLY INSIDE SAID SECOND METAL TUBE, THE OUTSIDE WALL OF SAID FIRST METAL TUBE BEING SPACED FROM THE INSIDE WALL OF SAID SECOND METAL TUBE BY A DISTANCE OF AT LEAST 0.001 INCH, POSITIONING ESSENTIALLY CONCENTRICALLY INSIDE SAID FIRST METAL TUBE AND THROUGHOUT THE LENGTH OF SAID TUBES TO BE BONDED A LINEAR CHARGE OF A DETONATING EXPLOSIVE HAVING A VELOCITY OF DETONATION OF AT LEAST 1200 METERS PER SECOND BUT LESS THAN 120% OF THE VELOCITY OF SOUND IN THE METAL IN THE SYSTEM HAVING THE HIGHEST SONIC VELOCITY, AND INITIATING SAID LINEAR CHARGE OF EXPLOSIVE IN SUCH A MANNER THAT DETONATION IS PROPAGATED IN A DIRECTION ESSENTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID FIRST METAL TUBE AND SAID SECOND METAL TUBE OVER THE LENGTH OF SAID FIRST METAL TUBE AND SAID SECOND METAL TUBE TO BE BONDED.
Claim 2
Dependent Claim
194 words
A PROCESS FOR BONDING THE OUTSIDE WALL OF A FIRST METAL TUBE TO THE INSIDE WALL OF A SECOND METAL TUBE BY A CONTINUOUS METALLURGICAL BOND CHARACTERIZED BY THE PRESENCE OF A HOMOGENEOUS MIXTURE OF THE METALS OF THE TWO TUBES TO FORM A LINED TUBE WHICH COMPRISES POSITIONING SAID FIRST METAL TUBE ESSENTIALLY CONCENTRICALLY INSIDE SAID SECOND METAL TUBE, THE OUTSIDE WALL OF SAID FIRST METAL TUBE BEING SPACED FROM THE INSIDE WALL OF SAID SECOND METAL TUBE BY A DISTANCE OF AT LEAST 0.001 INCH, POSITIONING ESSENTIALLY CONCENTRICALLY INSIDE SAID FIRST METAL TUBE AND THROUGHOUT THE LENGTH OF SAID TUBES TO BE BONDED A LINEAR CHARGE OF A DETONATING EXPLOSIVE HAVING A VELOCITY OF DETONATION OF AT LEAST 1200 METERS PER SECOND BUT LESS THAN 120% OF THE VELOCITY OF SOUND IN THE METAL IN THE SYSTEM HAVING THE HIGHEST SONIC VELOCITY, AND INITIATING SAID LINEAR CHARGE OF EXPLOSIVE IN SUCH A MANNER THAT DETONATION IS PROPAGATED IN A DIRECTION ESSENTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID FIRST METAL TUBE AND SAID SECOND METAL TUBE OVER THE LENGTH OF SAID FIRST METAL TUBE AND SAID SECOND METAL TUBE TO BE BONDED.
References Cited (Backward Citations)
US3036374A
Cited
US3024526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |