SEAL STRUCTURE FOR CASING

摘要

A seal structure for a casing has a housing (710) with a flow path (711), a case (720) having a flow path (721) communicating with the flow path (711) when the case is combined with the housing (710), a tubular knock pin (730) provided at the joint between the housing (710) and the case (720) so that the pin is fitted in both the housing (710) and the case (720) to surround the flow paths (711, 721), and an FIPG pool (740) provided on the outer circumferential side of the knock pin (730).