Dichtungselement, insbesondere für Absperr- und Regelorgane und Verfahren zu seiner Herstellung

• Main Authors: KLEINHANS, WERNER., 59425 UNNA, DE, BECHTE, VEIT., 59439 HOLZWICKEDE, DE
• Format: Patent
• Language: German
• Published: 23.05.1996
• Edition: 6
• Subjects: ACTUATING-FLOATS; BLASTING; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; COCKS; DEVICES FOR VENTING OR AERATING; DIFFUSION TREATMENT OF METALLIC MATERIAL; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

A packing element, in particular for shutting-off and regulating means, consists of a plate-like, piston-like or ball-like shutting-off body made of a metallic or non-metallic material, for example an Al2O3 ceramic material. A hard layer is deposited for example by a plasma CVD process on a working...