Patent ID: 6454181
Filing Date: 2002-09-24
Classification: E01B

Abstract:
A method of securing an object to an existing underlying concrete substructure, comprising the steps of:forming a through-bore within said object to be secured to said existing underlying concrete substructure wherein said through-bore has a lower end portion and an upper end portion; disposing an insert member, having an internally threaded bore defined therein, within the vicinity of said lower end portion of said through-bore formed within said object to be secured to said existing underlying concrete substructure; inserting a tubular sleeve member into said through-bore formed within said object to be secured to said existing underlying concrete substructure such that said tubular sleeve member is seated upon an upper end portion of said insert member; inserting a headed bolt member, having an externally threaded shank portion, into said upper end portion of said through-bore formed within said object to be secured to said existing underlying concrete substructure such that said threaded shank portion of said bolt member will be guidably disposed within said tubular sleeve member disposed within said through-bore formed within said object to be secured to said existing underlying concrete substructure; threadedly engaging a lower end portion of said externally threaded shank portion of said bolt member within said internally threaded bore defined within said insert member; forming a bore within said existing underlying concrete substructure; partially filling said bore formed within said existing underlying concrete substructure with an adhesive material; inserting said insert member within said adhesive material; and permitting said adhesive material to harden and set so as to fixedly secure said insert member within said adhesive material and said existing underlying concrete substructure so as to in turn fixedly mount said object upon said existing underlying concrete substructure.