Patent ID: 8348090

Claim:
A bulk storage container, comprising: a tank having a tank wall made of a polymeric material and a tank floor made of a polymeric material, said tank comprising: a connection area disposed proximate said tank floor, said connection area defining an aperture formed in said tank wall; and a tank insert at least partially integrally molded within said tank wall at said aperture of said connection area, said tank insert having a first exposed metal threaded portion; and a coupler having a bore in fluid communication with said aperture formed in said tank wall, said coupler comprising: a tank connection portion made of a polymeric material, said tank connection portion receivable at said connection area of said tank; and a coupler insert at least partially integrally molded within said tank connection portion, said coupler insert having a second exposed metal threaded portion sized to threadingly engage said first exposed metal threaded portion of said tank insert, whereby said coupler couples with said tank via a metal-on-metal threaded engagement.