Patent ID: 6073937
Filing Date: 2000-06-13
Classification: B01D,Y10S

Abstract:
A composite top plate adapted for use on a filter, comprising:a metal insert having a central portion and a flanged portion, the flanged portion having a peripheral surface, wherein (i) the peripheral surface has a notch formed therein, (ii) the notch is defined by a first planar side wall segment and a second planar side wall segment so that the notch has an open end and a closed end, and (iii) the first planar side wall segment and the second planar side wall segment are positioned relative to one another so that the first planar side wall segment and the second planar side wall segment intersect at the closed end of the notch; anda non-metallic member for sealingly engaging the filter, the non-metallic member being formed on the metal insert and interacts with the notch defined in the peripheral surface of the flange portion to retain the metal insert fixed to the nonmetallic member.