Telecommunications cable with polythene - insulated conductors and longitudinal sealing
The voids between the individual insulated wires of the stranded core, or an element of the core, are filled with a powdered mixture of plastic material which willfoam, at a temp. >=10 degrees C below the m.pt. of the wire insulation. The plastic is based on olefine (co)polymers, esp. of ethylene...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The voids between the individual insulated wires of the stranded core, or an element of the core, are filled with a powdered mixture of plastic material which willfoam, at a temp. >=10 degrees C below the m.pt. of the wire insulation. The plastic is based on olefine (co)polymers, esp. of ethylene, and is foamed to form a closed cell structure completely filling are of the same, or nearly so, chem. compn. the foaming temp. of the filler being diff. from that of the insulation. Foaming takes place before sheathing. |
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