Concrete embedding anchor, fitment for the same and method of manufacturing concrete molded piece using the same

摘要

A concrete embedding anchor includes. An anchor including an anchor body having a head at one end of the shank and a stopper at the other end, a fitment concentrically mounted to said head and having an external thread and easy breaking portion formed on the round bar portion thereof, and a hemispherical shell-shaped former fitted with the middle portion of said anchor shank. A retainer is secured to the concrete form in advance, said anchor fitment is inserted into and screwed up to said retainer, said anchor is combined with the concrete form, then concrete is poured, and said concrete form is taken away after the concrete has hardened.