НАКЛЕИВАЕМОЕ ПОЛИТЕТРАФТОРЭТИЛЕНОВОЕ РАДИАЛЬНОЕ УПЛОТНЕНИЕ ВАЛА

摘要

A radial shaft seal having a metal casing and a rubber sealing portion attached interior of the metal casing. The rubber sealing portion is bonded to the metal casing during a forming operation. A polytetrafluoroethylene seal is stretched into a conical shape and bonded to the rubber sealing portion while in the stretched state.