Corrugated expansion joint

The utility model provides a corrugated expansion joint which comprises a corrugated expansion joint body. A side plate is arranged on each of two sides of the corrugated expansion joint body, a labyrinth-type sealing plate is arranged on the two side plates, width of the labyrinth-type sealing plat...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	GAN LU, LUAN JIANGTAO, ZHANG ZHIWEI, ZHANG ZHIGANG, WANG LI, HAN LINZHONG, LI XUEXIN, ZHU QICHUAN, LI YUQIAN, YAN QING, HUANG YUANTAI, ZHAO XIJUN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model provides a corrugated expansion joint which comprises a corrugated expansion joint body. A side plate is arranged on each of two sides of the corrugated expansion joint body, a labyrinth-type sealing plate is arranged on the two side plates, width of the labyrinth-type sealing plate is smaller than an interval between the side plates, a heat-insulating layer is arranged on the outer side of the labyrinth-type sealing plate in a covering manner, a flexible sealing plate is fixedly arranged outside the heat-insulating layer through a flange, and width of the flexible sealing plate is larger than the interval of the side plates. By the corrugated expansion joint, when an original corrugated expansion joint is damaged, under the circumstance that the original corrugated expansion joint is not replaced, sealability and flexibility of the original expansion joint are guaranteed, difficulty in replacing is avoided, service life of the corrugated expansion joint is longer than that of a replaced expansion joint, and a lot of maintenance cost is saved.