SPIRAL GASKET AND METHOD FOR MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide a spiral gasket having an excellent sealing property for gas and the like even under a low fastening contact pressure and having excellent heat resistance. SOLUTION: In the spiral gasket, a tape-like sheet metal hoop material of which section area is a substantial V-...

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Bibliographische Detailangaben
Hauptverfasser: NAKANO HIDETO, OWAKI AKINORI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a spiral gasket having an excellent sealing property for gas and the like even under a low fastening contact pressure and having excellent heat resistance. SOLUTION: In the spiral gasket, a tape-like sheet metal hoop material of which section area is a substantial V-shape and a filler material of expanded graphite impregnated with oil are overlapped and wound in a spiral shape. For the filler material of expanded graphite impregnated with oil, 100 pts.mass of the expanded graphite structuring the filler material is impregnated with 0.05-10 pts.mass of oil. COPYRIGHT: (C)2011,JPO&INPIT