US3126301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molten salt spray process for descaling stainless steel
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:25
CPC Classifications
C; C23; C23G; C23G3/00; C23G3/02; C23G3/023; C23G1/00; C23G1/28; C23G3/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
PROCESS FOR DESCALING HOT SCALED METAL STRIP COMPRISING CONTINUOUSLY PASSING SAID HOT SCALED METAL STRIP INTO, THROUGH AND OUT OF A CONFINED MOLTEN SALT SPRAY DESCALING ZONE FILLED WITH HOT INERT GAS UNDER PRESSURE, SAID ZONE HAVING METAL STRIP ENTRANCE AND OUTWARD OPENINGS SEALED BY EVOLUTION OF THE INERT GAS UNDER PRESSURE, THEREBY INHIBITING ENTRANCE OF OUTSIDE AIR, MAINTAINING THE SURFACES OF SAID STRIP OUT OF CONTACT WITH HANDLING EQUIPMENT WHILE THE HOT STRIP IS BEING CLEANED IN SAID ZONE, CONTINUOUSLY SPRAYING SAID STRIP WITH A HOT MOLTEN
Claim 2
Dependent Claim
88 words
PROCESS FOR DESCALING HOT SCALED METAL STRIP COMPRISING CONTINUOUSLY PASSING SAID HOT SCALED METAL STRIP INTO, THROUGH AND OUT OF A CONFINED MOLTEN SALT SPRAY DESCALING ZONE FILLED WITH HOT INERT GAS UNDER PRESSURE, SAID ZONE HAVING METAL STRIP ENTRANCE AND OUTWARD OPENINGS SEALED BY EVOLUTION OF THE INERT GAS UNDER PRESSURE, THEREBY INHIBITING ENTRANCE OF OUTSIDE AIR, MAINTAINING THE SURFACES OF SAID STRIP OUT OF CONTACT WITH HANDLING EQUIPMENT WHILE THE HOT STRIP IS BEING CLEANED IN SAID ZONE, CONTINUOUSLY SPRAYING SAID STRIP WITH A HOT MOLTEN
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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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |