Patent ID: 6447029
Filing Date: 2002-09-10
Classification: F16L

Abstract:
A connection apparatus for pipes comprising:a coupler extending around longitudinally opposed ends of the pipes, the coupler having opposed connection members at opposite ends thereof; at least one opposed pair of connection holes in the connection members, at least one of the connection holes being polygonal; an engaging member projecting through the pair of connection holes; a coupling member threadably engaging an end portion of the engaging member extending in the polygonal one of the connection holes, said coupling member having an outer polygonal surface engaged in and corresponding in shape to said one of the polygonal holes so that when the engaging member is rotated the coupling member is blocked in rotations said coupling member having a pair of generally parallel grooves on opposite sides thereof; and a U-shaped fixing members having opposite legs engaged in said grooves for retaining said coupling member at the connection member with the polygonal shaped hole.