Patent ID: 6176265
Filing Date: 2001-01-23
Classification: F16K,H01L,Y10T

Abstract:
A valve unit, comprising:a valve main body having a communication passage, and a valve seat defined in an intermediate part of said communication passage, the valve main body being made from a resin material and the valve seat being an integral part of said valve main body, wherein said valve main body comprises a cylindrical member, said communication passage consisting of a longitudinal passage passed longitudinally through said cylindrical member, said valve seat being defined by an elongated valve guide hole passed laterally across said cylindrical member and said longitudinal passage, and wherein said valve main body is provided with a plurality of grooves or projections for restraining relative deformation between said main body and said valve case;a valve member received in said valve seat for selectively blocking said communication passage; anda valve case disposed around said valve main body, the valve case being sealed to the valve main body by an injection molded seal of the valve case to the valve main body;said valve member being provided with a valve stem extending out of said valve main body and said valve case.