Steel laminate gasket with a plate information device

摘要

A steel laminate gasket with a plate information device is situated between two engine parts to be sealed. The gasket comprises at least one first metal plate and at least one second metal plate. The first metal plate is provided with a notch or hole inside the plate, and the second plate is provided with a plate information sign at an area corresponding to the notch or hole. Therefore, when the plates are assembled, the plate information sign can be seen through the notch or hole.