Patent ID: 6745990
Filing Date: 2004-06-08
Classification: B29C,E02D,E04H

Abstract:
An anchor device comprising:an elongated insert which is made of a plastic material and which has a lower end, an upper end, and a plurality of rib members extending radially therefrom, each of said rib members having a radial width which increases gradually in a direction from said lower end to said upper end of said elongated insert; an attachment seat integrally connected to said upper end of said insert and upper edges of said rib members; a metal shaft embedded longitudinally in said elongated insert, said metal shaft having an upper head embedded in said attachment seat, and a lower end with an enlarged lower head having a diameter greater than a diameter of a shaft portion of said metal shaft that extends out of said lower end of said insert; and wherein a lower end of said enlarged lower head is tapered.