SLIP SEALING STRUCTURE

A slip sealing structure comprises a cylindrical sealing body comprising an upper and a lower end surfaces, wherein an outer side and an inner side of at least one end surface of the sealing body are provided with an outer metal retaining ring and an inner metal retaining ring respectively, a fabric...

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Bibliographische Detailangaben
Hauptverfasser:	Li, Houning, Huang, Guangming, Qin, Zeming
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS 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 MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A slip sealing structure comprises a cylindrical sealing body comprising an upper and a lower end surfaces, wherein an outer side and an inner side of at least one end surface of the sealing body are provided with an outer metal retaining ring and an inner metal retaining ring respectively, a fabric covering layer is disposed on the at least one end surface, and the outer and inner metal retaining rings are respectively pressed against an outer and inner edges of the fabric covering layer such that the fabric covering layer provides support for the outer and inner metal retaining rings. Through the outer and inner metal retaining rings, compression resistance of the slip sealing structure can be improved, and rubber extrusion at high temperatures and high pressures can be avoided; the fabric covering layer enhances performances of compression resistance and gas explosion resistance of the slip sealing structure.