Patent ID: 6524025
Filing Date: 2003-02-25
Classification: F16B,Y10T

Abstract:
A means for linearly connecting two non-circular pipes, comprising:a bar having two externally threaded ends adapted to screw into internally threaded holes preformed in said non-circular pipes; an upper and a lower pad put around said bar and respectively having a cross section the same as that of a bore of said non-circular pipes and being divided into an inner section and an outer section by a flange, an outer diameter of said upper and said lower pads at said flange being identical to that of said non-circular pipes, and the outer sections of said upper and said lower pads being adapted to insert into said pipes to synchronously rotate along with said pipes; and a collar having cross section and outer diameter the same as that of said pipes and being initially put around said inner section of said upper pad, said collar being downward movable to enclose said inner sections of said upper and said lower pads at the same time to confine said upper and said lower pads to a vertically aligned position.