SPHERICAL ANNULAR SEAL MEMBER, AND METHOD FOR PRODUCING SAME

A spherical annular seal member 39 includes a spherical annular base member 37 defmed by annular end faces 35 and 36, and an outer layer 38 formed integrally on the spherical annular base member 37. The spherical annular base member 37 includes a reinforcing member 5 made from a metal wire net and a...

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Bibliographische Detailangaben
Hauptverfasser:	OKI, Eiji, KAIDA, Hidetoshi, KUROSE, Kouhei, KODA, Yasuhiko, TAKAHASHI, Masanori
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CYLINDERS ENGINE PLANTS IN GENERAL ENGINEERING ELEMENTS AND UNITS GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINES OR ENGINES IN GENERAL MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES PISTONS SEALINGS STEAM ENGINES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A spherical annular seal member 39 includes a spherical annular base member 37 defmed by annular end faces 35 and 36, and an outer layer 38 formed integrally on the spherical annular base member 37. The spherical annular base member 37 includes a reinforcing member 5 made from a metal wire net and a heat-resistant material 6 containing compressed expanded graphite. The outer layer 38 is comprised of a base layer 46 which includes a reinforcing member 15 made from a metal wire net and compressed and a heat-resistant material 14 containing expanded graphite, compressed in such a manner as to fill meshes of the metal wire net of the reinforcing member 15, and having a surface 52 which forms an outer-layer intermediate layer surface 42 together with the surface 41 of the reinforcing member 15, and of a heated sliding layer 40 of a molten fluororesin composition formed on the base layer 46 at the outer-layer intermediate layer surface 42. The surface 44 of the outer layer 38 exposed to the outside is constituted by a smooth surface 45 of the heated sliding layer 40.