Method of fabricating cables
Abstract
Abstract A THERMAL BARRIER LAMINATE IN THE FORM OF A STRIP FOR FABRICATIONG CABLES AND THE LIKE COMPRISES A SUBSTRATE OF, FOR EXAMPLE, ALUMINUM AND A LAYER OF A PARTIALLY FOAMED THERMOPLASTIC MATERIAL SUCH AS POLYPROPYLENE. A CABLE HAVING THE THERMAL BARRIER LAMINATE IS FABRICATED BY WRAPPING THE LAMINATE AROUND A CABLE CORE AND SUBSEQUENTLY EXTRUDING A JACKET OF PLASTIC MATERIAL OVER THE LAMINATE UNDER CONDITIONS OF TEMPERATURE AND PRESSURE TO SUBSTANTIALLY COMPLETELY FOAM THE LAYER OF PARTIALLY FOAMED THERMOPLASTIC MATERIAL. THE PARTIALLY FOAMED THERMOPLASTIC LAYER SERVES AS AN INSULATOR TO PROTECT THE CABLE CORE FROM THE HEAT OF EXTRUSION AND AT THE SAME TIME EXPANDS FURTHER DURING EXTRUSION TO PROVIDE A SUBSTANTIALLY CONTINOUS INNER LAYER BETWEEN THE CABLE CORE AND THE OUTER JACKET.
Inventors
- 👤 Gerald E Clock
- 👤 Raymond C Mildner
- 👤 Harold A Walters
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |