Patent ID: 6142062
Filing Date: 2000-11-07
Classification: B60T,F16J

Abstract:
A diaphragm member for use in certain valve assemblies, said diaphragm member comprising:(a) a generally circular diaphragm having a first predetermined diameter and having a first surface and a second surface, said generally circular diaphragm formed from at least one layer of a preselected elastomeric material, said generally circular diaphragm including:(i) a nonflexing center portion,(ii) a generally annular flexure portion extending around an outer periphery of said nonflexing center portion, and(iii) an outer portion extending around an outer periphery of said generally annular flexure portion engageable with and a body portion of such valve assembly; and(b) a generally circular, nonflexible insert member, having a second predetermined diameter, disposed within said first surface of said nonflexing center portion of said generally circular diaphragm, said generally circular insert member having a plurality of apertures formed through said generally circular insert member, said plurality of apertures providing a predetermined open area for receiving said preselected elastomeric material for bonding said generally circular, nonflexible insert member to said nonflexing center portion of said generally circular diaphragm.