Patent ID: 6056137
Filing Date: 2000-05-02
Classification: B65D

Abstract:
A fiberglass reinforced tank insert for use in retrofitting an existing underground storage tank with secondary containment, the tank insert comprising:(a) at least two arcuate panels constructed of fiberglass reinforced plastic and resin material;(b) at least one hinge connecting the at least two panels along longitudinally adjacent edges such that:(i) the at least two panels can be folded together at the hinged connection to form a compact configuration and can be unfolded to form a large combined arcuate surface,(ii) the at least two arcuate panels form a cylindrical shell when unfolded,(iii) the cylindrical shell has a diameter such that the cylindrical shell fits inside of the underground storage tank, and(iv) the longitudinally adjacent edges of the two panels are sealed with fiberglass reinforced plastic and resin material; and(c) at least one end cap capping each end of the cylindrical shell bonded and sealed thereto with fiberglass reinforced plastic and resin material.