US3196829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Soldering machines
Assignee: Frys Metal Foundries Ltd
•
Filing: 1963-02-21
•
Granted: 1965-07-27
•
Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Elliott Victor Bernard
- 👤 Winslade Reginald John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:53
CPC Classifications
B; B23; B23K; B23K3/00; B23K3/06; B23K3/0646; B23K3/0653
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A SOLDERING OR TINNING APPARATUS FOR USE IN SOLDERING OR TINNING OPERATIONS, COMPRISING A TANK TO CONTAIN MOLTEN METAL, A NOZZLE HAVING A NARROW, ELONGATED RECTANGULAR MOUTH DISPOSED HORIZONTALLY ABOVE THE NORMAL LEVEL OF THE METAL IN THE TANK, A PIPE IN THE TANK COMMUNICATING AT ONE END WITH THE LOWER END OF THE NOZZLE AN IMPELLER WHICH IS ROTATABLE WITH SMALL CLEARANCE IN A CYLINDRICAL HOUSING CONNECTED TO THE OTHER END OF THE PIPE, AND WHICH HAS A HELICAL BLADE WITH AT LEAST ONE TURN AND A MAXIMUM OF THREE TURNS, AND MEANS FOR ROTATING THE IMPELLER AND THEREBY PUMPING METAL THROUGH THE PIPE AND DISCHARGING IT UPWARDLY FROM THE MOUTH OF THE NOZZLE IN A SMOOTH, NON-TURBULENT, GENTLY-OVERFLOWING WAVE HAVING A LEVEL CREST.
Claim 2
Dependent Claim
125 words
A SOLDERING OR TINNING APPARATUS FOR USE IN SOLDERING OR TINNING OPERATIONS, COMPRISING A TANK TO CONTAIN MOLTEN METAL, A NOZZLE HAVING A NARROW, ELONGATED RECTANGULAR MOUTH DISPOSED HORIZONTALLY ABOVE THE NORMAL LEVEL OF THE METAL IN THE TANK, A PIPE IN THE TANK COMMUNICATING AT ONE END WITH THE LOWER END OF THE NOZZLE AN IMPELLER WHICH IS ROTATABLE WITH SMALL CLEARANCE IN A CYLINDRICAL HOUSING CONNECTED TO THE OTHER END OF THE PIPE, AND WHICH HAS A HELICAL BLADE WITH AT LEAST ONE TURN AND A MAXIMUM OF THREE TURNS, AND MEANS FOR ROTATING THE IMPELLER AND THEREBY PUMPING METAL THROUGH THE PIPE AND DISCHARGING IT UPWARDLY FROM THE MOUTH OF THE NOZZLE IN A SMOOTH, NON-TURBULENT, GENTLY-OVERFLOWING WAVE HAVING A LEVEL CREST.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |