US Patent 9527273 Infusion bolt, method of use and method of manufacture

Various embodiments include an infusion bolt and methods of manufacturing such a bolt. In one embodiment an infusion bolt includes: a head having an axially accessible opening extending therethrough; and a shaft extending from the head, the shaft having: an inner cavity fluidly connected with the axially accessible opening of the head; a radially outer surface surrounding the inner cavity; and a set of axially extending apertures along the radially outer surface, the set of axially extending apertures fluidly connected with the inner cavity and the axially accessible opening in the head.