Device, in particular for the holding of pipes of the tube mail systems in protective tubes

摘要

1. Spacer for the support of tubes within other tubes, especially for holding the tubes of tube postal systems within protective tubes, consisting of concentrically arranged rings (10-13), which are held spaced from one another by connector elements (14, 16, 38, 39), whereby the inner ring (10) has a central opening to receive the tube to be supported and the outer ring (13) is provided for mounting on the inner wall of the outer tube, characterized in that more than two rings (10-13) are provided, of which the connecting elements (14, 16, 38, 39) between adjacent rings (10-13) are separable, so that a suitable number of the outer (13, 12) and/or inner rings (10, 11) are removable, to provide diameter adjustment.