DUPLEX CORD FOR USE AS A REINFORCEMENT IN A BELT BANDAGE OF A PNEUMATIC VEHICLE TYRE

The invention relates to a duplex cord for use as strength member in a belt bandage of a pneumatic vehicle tire, consisting of exactly two yarns that are twisted together at the ends, wherein the first yarn has a Z value of 600 mN/tex or more, and wherein the second yarn has a Z value of 75 mN/tex o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Grote, Claudia, Kramer, Thomas, 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 duplex cord for use as strength member in a belt bandage of a pneumatic vehicle tire, consisting of exactly two yarns that are twisted together at the ends, wherein the first yarn has a Z value of 600 mN/tex or more, and wherein the second yarn has a Z value of 75 mN/tex or less and a Y value of 150 mN/tex or less, where Z is the force normalized to the linear yarn density at which an elongation of 1% is obtained in the force-elongation diagram, where Y is the force normalized to the linear yarn density at which an elongation of 4% is obtained in the force-elongation diagram, and where the quotient X of the linear density of the first yarn divided by the linear density of the second yarn is in the range from 1.0 to 1.3.