US2708641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying metal coatings to valves
Assignee: Coast Metals Inc
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Filing: 1952-07-19
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Granted: 1955-05-17
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Expires: 1972-07-19
Abstract
No abstract record available.
Inventors
- 👤 Arthur T Cape
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:25
CPC Classifications
B; B22; B22D; B22D19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
THE METHOD OF PORVIDING A WEARING SURFACE OF VALUES AND SIMILAR ARTICLES HAVING A MELTING TEMPERATURE WITHIN THE RANGE 2600* F.-2800* F., WITH AN ANNULAR WELDED-ON FACING OF A PROTECTIVE METAL, WHICH COMPRISES SUPPORTING A POPPET-VALVE ALONG AN ANNULAR ZONE AT THE MARGIN OF THE VALVE HEAD, SAID VALVE HEAD HAVING AN ANNULAR SEATING SURFACE FACING IN AN UPWARD DIRECTION AND SUPPORTED AT AN ACUTE ANGLE WITH THE HORIZONTAL ROTATING SAID SURFACE AT A UNIFORM SPEED ABOUT ITS OWN AXIS, LOCALLY HEATING THE SURFACE UNTIL THE SURFACE IS SUBSTANTIALLY MOLTEN, RAPIDLY AND UNIFORMLY POURING A MEASURED QUANTITY OF MOLTEN SURFACING METAL FROM ONE POINT ONTO THE ROTATING SURFACE, SAID SUBSTANTIALLY MOLTEN SURFACE AND THE TEMPERATURE OF SAID MOLTEN MATERIAL CAUSING INSTANTANEOUS COATING OF THE MOLTEN SURFACE WITH THE FACING MATERIAL.
Claim 2
Independent Claim
130 words
THE METHOD OF PORVIDING A WEARING SURFACE OF VALUES AND SIMILAR ARTICLES HAVING A MELTING TEMPERATURE WITHIN THE RANGE 2600* F.-2800* F., WITH AN ANNULAR WELDED-ON FACING OF A PROTECTIVE METAL, WHICH COMPRISES SUPPORTING A POPPET-VALVE ALONG AN ANNULAR ZONE AT THE MARGIN OF THE VALVE HEAD, SAID VALVE HEAD HAVING AN ANNULAR SEATING SURFACE FACING IN AN UPWARD DIRECTION AND SUPPORTED AT AN ACUTE ANGLE WITH THE HORIZONTAL ROTATING SAID SURFACE AT A UNIFORM SPEED ABOUT ITS OWN AXIS, LOCALLY HEATING THE SURFACE UNTIL THE SURFACE IS SUBSTANTIALLY MOLTEN, RAPIDLY AND UNIFORMLY POURING A MEASURED QUANTITY OF MOLTEN SURFACING METAL FROM ONE POINT ONTO THE ROTATING SURFACE, SAID SUBSTANTIALLY MOLTEN SURFACE AND THE TEMPERATURE OF SAID MOLTEN MATERIAL CAUSING INSTANTANEOUS COATING OF THE MOLTEN SURFACE WITH THE FACING MATERIAL.
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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |