Patent ID: 8146951

Claim:
A scupper joint for a ship, the scupper joint comprising: a body, having a tubular structure as a piece with a predetermined length cut from a seamless tube, wherein the tubular structure is processed to have a first section and a second section, wherein the first section has a flange at one end thereof as an evagination and a threaded segment at an outer periphery thereof; and the second section has at lease one annular protrusion at an outer periphery thereof; and a nut, having an annular structure with the nut having: a flange at an end thereof; and a threaded segment at an inner periphery thereof, wherein the threaded segment of the nut and the threaded segment of the first section are configured to couple with each other wherein the nut flange comprises a tool-positioning portion, and wherein the tool-positioning portion is four holes each separated by 90 degrees from adjacent said holes along an outer periphery of the flange.