Patent ID: 6510959
Filing Date: 2003-01-28
Classification: B65D,C02F,Y10S

Abstract:
A treatment tank for a water conditioning apparatus, comprising:a tank head having a wall, a rim defining a through hole in said wall, and a tank ring having a bottom, a top and being fixed to said rim, said tank ring being coaxial with said tank head and extending generally axially; a generally cylindrical flange defining a nipple portion having a peripheral wall and a shoulder extending radially from said nipple portion, and having a top surface and an outer peripheral wall extending downward from said top surface; and a fastener assembly engageable on said top surface of said shoulder for securing said flange on said tank head through contact between said fastener assembly and said tank ring; wherein said fastener assembly includes at least one hold down plate configured and disposed above said tank ring so that said flange is secured against said bottom of said tank ring by tightening said hold down plate against said top of said tank ring; wherein said generally cylindrical flange includes a ledge extending radially from a base of said shoulder, and configured to sandwich said tank ring between said at least one hold down plate and said ledge.