Patent ID: 6523309
Filing Date: 2003-02-25
Classification: E02D

Abstract:
A fastening plate for securing a membrane to a substrate, the membrane having an inner side to be positioned adjacent to the substrate and an outer side disposed opposite to said inner side, and the membrane having a dimpled portion including an array of dimples and a substantially smooth portion, the dimples forming depressions on the outer side and corresponding projections from the inner side, the fastening plate having:(a) a mating portion including a contact side to be positioned adjacent to the outer side of the membrane and an exposed side disposed opposite to said contact side; (b) a biasing portion extending from an upper area of the mating portion, for urging the smooth portion of the membrane against the substrate; (c) the mating portion including an array of locator elements projecting inwardly from the contact side and adapted to cooperate with a corresponding number of the dimples to position the mating portion on the dimpled portion such that the biasing portion is positioned adjacent to the smooth portion of the membrane; and (d) the mating portion being adapted to receive at least one fastener for securing the fastening plate to the substrate.