Patent US913977A successfully refreshed from Google Patents.
Patent US3336783A successfully refreshed from Google Patents.
US3336783A
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Device for manufacturing a pre-impregnated oil-filled cable having a metal sheath
Assignee: International Standard Electric Corp
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Filing: 1964-08-27
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Granted: 1967-08-22
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Expires: 1984-08-27
Abstract
No abstract record available.
Inventors
- 👤 Johnsen John Normann
- 👤 Marstein Kaare
- 👤 Aamodt Thor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:55
CPC Classifications
B; B21; B21C; B21C23/00; B21C23/22; B21C23/24; B21C23/26; H; H01; H01B; H01B13/00; H01B13/06; H01B13/14; H01B13/22; H01B13/24; H01B13/245; H01B13/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A DEVICE FOR MANUFACTURING A PRE-IMPREGNATED OILFILLED CABLE COMPRISING AN INNER CABLE, A METAL SHEATH SURROUNDING SAID CABLE AND HAVING AN INNER DIAMETER LARGER THAN THE OUTER DIAMETER OF THE CABLE CORE, AN EXTRUDING DIE SURROUNDING A PORTION OF SAID CABLE AND ADAPTED TO EXTRUDE METAL AROUND SAID CABLE AS THE CABLE IS MOVED ALONG AN AXIAL PATH TO FOROM SAID METAL SHEATH, A HEAT PROTECTING TUBE DISPOSED WITHIN THE EXTRUDING DIE AND COAXIAL THEREWITH BETWEEN THE METAL SSHEATH AND T HE CABLE, A SOURCE OF OIL, SAID T UBE HAVING A FIRST CHANNEL PERMITTING SAID OIL TO FLOW AROUND SAID CABLE WITHIN SAID TUBE IN THE D IRECTION OF THE MOVEMENT OF THE CABLE AND A SECOND CHANNEL PERMITTING THE OIL TO FLOW IN AN OPPOSITE DIRECTION WITHIN SAID TUBE TO PROVIDE COOLING OF THE CABLE CORE AND THE EXTRUDING DIE AND THE HOT METAL SHEATH.
Claim 2
Independent Claim
147 words
A DEVICE FOR MANUFACTURING A PRE-IMPREGNATED OILFILLED CABLE COMPRISING AN INNER CABLE, A METAL SHEATH SURROUNDING SAID CABLE AND HAVING AN INNER DIAMETER LARGER THAN THE OUTER DIAMETER OF THE CABLE CORE, AN EXTRUDING DIE SURROUNDING A PORTION OF SAID CABLE AND ADAPTED TO EXTRUDE METAL AROUND SAID CABLE AS THE CABLE IS MOVED ALONG AN AXIAL PATH TO FOROM SAID METAL SHEATH, A HEAT PROTECTING TUBE DISPOSED WITHIN THE EXTRUDING DIE AND COAXIAL THEREWITH BETWEEN THE METAL SSHEATH AND T HE CABLE, A SOURCE OF OIL, SAID T UBE HAVING A FIRST CHANNEL PERMITTING SAID OIL TO FLOW AROUND SAID CABLE WITHIN SAID TUBE IN THE D IRECTION OF THE MOVEMENT OF THE CABLE AND A SECOND CHANNEL PERMITTING THE OIL TO FLOW IN AN OPPOSITE DIRECTION WITHIN SAID TUBE TO PROVIDE COOLING OF THE CABLE CORE AND THE EXTRUDING DIE AND THE HOT METAL SHEATH.
References Cited (Backward Citations)
US3120305A
Cited
US3073441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |