Reinforced polyethylene helical bellows

The utility model discloses a reinforced polyethylene helical bellows, include that the helical bellows who comprises inlayer polyethylene, spiral steel band and outer polyethylene by arranging in proper order from inside to outside personally experiences sth. Part of the body (1), the helical bello...

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Bibliographische Detailangaben
1. Verfasser:	HUANG CAIHUI
Format:	Patent
Sprache:	chi ; 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 discloses a reinforced polyethylene helical bellows, include that the helical bellows who comprises inlayer polyethylene, spiral steel band and outer polyethylene by arranging in proper order from inside to outside personally experiences sth. Part of the body (1), the helical bellows body (1) includes polyethylene inner tube, formed steel belt and polyethylene outer tube, and theformed steel belt equidistance is twined in the surface of polyethylene inner tube, the outer cladding polyethylene outer tube of formed steel belt, and the helical bellows body (1) both ends are socket (3) and bellmouth (2), and the socket is equipped with wedge -shaped seal ring (6), just the outer fringe of sealing washer is higher than the outer fringe of socket is provided with round electrothermal welding area (4), and the hot melt guipure has both ends, is connected with electrode (5) on the both ends, be convenient for and external electrical property intercommunication, the bellmouthbe provided with round we