HARD SEAL RING WITH SLIDING RUNNING SURFACE AND SLIDING RUNNING SEAL DEVICE

The present invention relates to a hard sealing ring (1, 61), comprising an annular body (2, 2') which has a basic shape that is rotationally symmetrical with respect to an axis (A). In a cross-section (Q) lying in the direction of the axis (A), the annular body comprises a contact portion (3)...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Hamilton, Jeffrey Lee, Matz, Marc-Manuel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING BLASTING CYLINDERS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PISTONS SEALINGS THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to a hard sealing ring (1, 61), comprising an annular body (2, 2') which has a basic shape that is rotationally symmetrical with respect to an axis (A). In a cross-section (Q) lying in the direction of the axis (A), the annular body comprises a contact portion (3) which is arranged on an end face of the annular body (2, 2'). The contact portion (3) points outwards in the direction of the axis (A). In the cross-section (Q), the annular body (2, 2') also comprises a trough portion (5), which is arranged on a radial lateral surface of the annular body (2, 2') and faces away from the contact portion (3) in relation to the direction of the axis (A). On the contact portion (3), the annular body (2, 2') comprises an anti-friction coating (8) which is in particular single- or multi-layered. The invention also relates to an anti-friction sealing device (60), which comprises a first hard sealing ring (61) and a second hard sealing ring (62), each of which has a contact portion (3), wherein the hard sealing rings (61, 62), in the intended mounting position, are arranged along the axis (A) so as to be mutually adjacent and coaxial with one another, such that the contact portions (3) constantly touch.