Patent ID: 6253468
Filing Date: 2001-07-03
Classification: A43C

Abstract:
An spike for sporting shoes including,a spike body made of a plastic material and having a flange-shaped portion, a threaded stud extending from one surface of said flange-shaped portion and having a thread on an outer surface thereof, an axial bore formed through said flange-shaped portion and said threaded stud, and at least one slit formed in said threaded stud; and,a metal core inserted into said axial bore of said spike body to be fixed to said spike body;said flange-shaped portion having spike protrusions on the other surface opposite to said threaded stud;said core being configured to force said threaded stud radially outwardly when inserted into said axial bore of said spike body;said core consisting of a self-tapping screw, which is adapted to be screwed into said axial bore of said spike body with a thread tapping action against an inter surface of said axial bore.