US3334993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for refining molten metals
Assignee: EDWARD Y OSAWA
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Filing: 1965-02-08
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Granted: 1967-08-08
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 Nojima Takeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:32
CPC Classifications
F; F27; F27D; F27D27/00; F27D3/00; F27D2003/0034; F27D2003/0038; F27D2003/0085; F27D2003/0091; F27D2003/0092; F27D3/0025; F27D3/0026
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
63 words
A METHOD OF REFINING MOLTEN METALS COMPRISING THE STEPS OF POURING CRUDE MOLTEN METAL AND ADDITIVE AGENTS INTO A METALLURGICAL REACTION VESSEL WHICH IS MOUNTED AT AN INCLINED ANGLE WITH RESPECT TO A VERTICAL LINE ON A PLATFORM PROVIDED WITH WHEELS, AND RECIPORCATING SAID PLATFORM TOGETHER WITH SAID VESSEL IN THE HORIZONTAL DIRECTION AND IN THE DIRECTION OF INCLINATION FOR A PREDETERMINED TIME.
Claim 2
Independent Claim
63 words
A METHOD OF REFINING MOLTEN METALS COMPRISING THE STEPS OF POURING CRUDE MOLTEN METAL AND ADDITIVE AGENTS INTO A METALLURGICAL REACTION VESSEL WHICH IS MOUNTED AT AN INCLINED ANGLE WITH RESPECT TO A VERTICAL LINE ON A PLATFORM PROVIDED WITH WHEELS, AND RECIPORCATING SAID PLATFORM TOGETHER WITH SAID VESSEL IN THE HORIZONTAL DIRECTION AND IN THE DIRECTION OF INCLINATION FOR A PREDETERMINED TIME.
Claim 3
Independent Claim
89 words
AN APPARATUS FOR REFINING MOLTEN METALS COMPRISING A METALLURGICAL REACTION VESSEL PROVIDED WITH A REMOVABLE LID, A PLATFORM PROVIDED WITH WHEELS, MEANS TO SUPPORT SAID RECTION VESSEL ON SAID PLATFORM AT AN INCLINED POSITION, SAID MEANS INCLUDING A BOX ADAPTED TO SUPPORT SAID REACTION VESSEL, A TRANSVERSAL PIVOT AT ONE END OF SAID BOX PIVOTALLY CONNECTED TO SAID PLATFORM, ADJUSTABLE MEANS PROVIDED AT THE OTHER END OF SAID BOX TO ADJUST THE INCLINATION THEREOF, AND MEANS TO RECIPROCATE SAID PLATFORM TOGETHER WITH SAID RECTION VESSEL IN THE HORIZONTAL DIRECTION.
Claim 4
Independent Claim
89 words
AN APPARATUS FOR REFINING MOLTEN METALS COMPRISING A METALLURGICAL REACTION VESSEL PROVIDED WITH A REMOVABLE LID, A PLATFORM PROVIDED WITH WHEELS, MEANS TO SUPPORT SAID RECTION VESSEL ON SAID PLATFORM AT AN INCLINED POSITION, SAID MEANS INCLUDING A BOX ADAPTED TO SUPPORT SAID REACTION VESSEL, A TRANSVERSAL PIVOT AT ONE END OF SAID BOX PIVOTALLY CONNECTED TO SAID PLATFORM, ADJUSTABLE MEANS PROVIDED AT THE OTHER END OF SAID BOX TO ADJUST THE INCLINATION THEREOF, AND MEANS TO RECIPROCATE SAID PLATFORM TOGETHER WITH SAID RECTION VESSEL IN THE HORIZONTAL DIRECTION.
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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |