US Patent 7696434 Conduits

A conduit (1) having a substantially semi-circular outer cross-section comprising a base portion (3) and a lid portion (2), the lid portion (2) being attached to the base portion (3) by a hinge (4) and having a clip (23) on the opposite side, wherein the hinge (4) is located at an angular elevation from the base of between 10° and 35°, the base portion (3) having a clip socket for retaining the clip (23), wherein the clip socket comprises an outer wall (32), which forms part of the semi-circular outer cross-section, and an inner wall (33), between which is defined a channel (34) for the clip (23), the height of the inner wall above the bottom of the base portion (3) being substantially the same as the height of the hinge (4) above the bottom of the base portion (3).