Patent ID: 9068654
Filing Date: 2015-06-30
Classification: F16J

Abstract:
1. A gasket that is held between opposite flange joint surfaces with a bolt, the gasket comprising a combination of: a complex material with a rubber material formed on one or both sides of a steel plate, the complex material having a bead, wherein the bead includes the steel plate and the rubber material, and a circular metal plate arranged at a bolt portion with a through-hole where a shank of the bolt penetrates and a bearing corresponding portion that corresponds to a bearing of the bolt around the through-hole; wherein the complex material includes a metal plate overlapping portion that is overlapped with the circular metal plate, the circular metal plate includes a complex material overlapping portion, which is formed away from the through-hole of the circular metal plate, and which is overlapped with the complex material extended from the bearing corresponding portion, and the complex material overlapping portion overlaps with the metal plate overlapping portion and the complex material overlapping portion and the metal plate overlapping portion are joined with each other only at a joint located away from the through-hole of the circular metal plate so that the complex material overlapping portion and the metal plate overlapping portion are joined on the outside of the flange joint surface.