METAL GASKET AND ITS MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide a metal gasket made of a sheet material subjected to work hardening by cold rolling or a combination of cold rolling and precipitation hardening. SOLUTION: The metal gasket formed from an appropriate iron-nickel-chromium alloy contains at least one embossing, wherein...

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Bibliographische Detailangaben
1. Verfasser:	ZURFLUH THOMAS
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS BLASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CYLINDERS ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LIGHTING MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS MECHANICAL ENGINEERING METALLURGY METALLURGY OF IRON MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS PISTONS SEALINGS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a metal gasket made of a sheet material subjected to work hardening by cold rolling or a combination of cold rolling and precipitation hardening. SOLUTION: The metal gasket formed from an appropriate iron-nickel-chromium alloy contains at least one embossing, wherein the embossing substantially sufficiently recovers its function at 1,000°F, at 1,100-1,600°F or at a higher temperature range and is made of the sheet material subjected to work hardening through cold rolling or a combination of cold rolling and precipitation hardening without any post-embossing heat treatment for hardening the material. The appropriate alloy comprises, >18 wt.% Ni, >14 wt.% Cr, 0.1-10 wt.% of at least one element selected from Mo, Ti, V, Al, Co, Nb, Ta and Cu and a remaining portion is substantially Fe and unavoidable impurities. The gasket sheet alloy has a deformed fine structure. COPYRIGHT: (C)2008,JPO&INPIT