Connecting device for coaxial pipes used in shelf system, has spigot fitted into insertion portion provided at end of each pipe, in which spigot has lockable sections for coupling to spigot receiving section formed in insertion portion

摘要

The device has a plate (13) arranged between the pipes (11,12) to be connected together. A spigot (15) is arranged in the middle of the plate, and fitted into the square-shaped insertion portion (14) provided at the end of each pipe. The spigot has lockable sections (16,17) for coupling to the spigot receiving section (19) formed in the insertion portion. The insertion portion is provided in a corresponding piping section (18) provided with the spigot receiving section. The piping section is arranged within the pipe.