Hybrid cord for use as reinforcement in a belt bandage of a pneumatic vehicle tire

The invention relates to a hybrid cord for use as a reinforcement in a belt bandage of a pneumatic vehicle tire, consisting of at least two threads with ends which are twisted together. At least one first thread is a high-modulus thread with a specified thread fineness, and another thread is a low-m...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Neumann, Marcel, Kramer, Thomas, Ludwig, Reinhard, Volk, Heiner, Reese, Wolfgang
Format:	Patent
Sprache:	eng
Schlagworte:	CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, ORYARNS DEVICES OR ARRANGEMENTS RELATED TO TYRES MECHANICAL FINISHING OF YARNS OR ROPES PERFORMING OPERATIONS REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL TEXTILES TRANSPORTING TYRE CHANGING OR REPAIRING TYRE INFLATION VEHICLE TYRES VEHICLES IN GENERAL WARPING OR BEAMING YARNS YARNS OR THREADS
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Beschreibung
Zusammenfassung:	The invention relates to a hybrid cord for use as a reinforcement in a belt bandage of a pneumatic vehicle tire, consisting of at least two threads with ends which are twisted together. At least one first thread is a high-modulus thread with a specified thread fineness, and another thread is a low-modulus thread, said other low-modulus thread having a lower thread fineness than the first thread. The invention is characterized in that the proportion of the high-modulus thread in the hybrid cord is 80-95 wt. %; the difference between the thread fineness of the high-modulus thread and the thread fineness of the other low-modulus thread is >800 dtex; and the elongation at break of the high-modulus thread ranges from 1%-8%, and the elongation at break of the low-modulus thread ranges from 9%-30%.