PERFEZIONAMENTO NEGLI ALLOGGIAMENTI E RELATIVI TAPPI DI CHIUSURA A TENUTA IN PARTICOLARE PER VALVOLE AZIONATORI E SIMILI

摘要

A plug seal for sealing a housing which has a hardness at least slightly less than the hardness of the plug seal is disclosed wherein the plug has a predetermined geometric shape and has first and second portions having corresponding first and second perimeters, the second perimeter being greater than the first perimeter, and the plug has a groove wherein as the plug is inserted into the housing the second portion of the plug will force a portion of the housing into the groove for providing a fluid tight fit.