| 摘要 |
A kit for making composite tubular structures, eg handles, or hand rails, comprises a plurality of tubular elements, of which at least one is straight (1), at least one is of elbow-shape (2) and at least one is of T- shape (3), a plug (4) fixed in each end of each tubular element and provided with an axial threaded aperture, a plurality of threaded bars (6) for engagement in the threaded apertures in the plugs to connect the tubular elements in abutting relation, at least one tie rod (12) provided with oppositely threaded ends and an operating ring (16) rigid for rotation with the or each tie rod. The plug (4) may comprise an internally expanding clamping device to grip the inside surface of the tubular element (1). <IMAGE> |
