Patent ID: 6062267
Filing Date: 2000-05-16
Classification: F16L

Abstract:
An assembly for extending through a bore in a wall structure to permit running of conduit therethrough, said assembly comprising:a main tube having a smooth outer surface, a pair of opposite open ends and a longitudinal axis;an extension tube having a smooth outer surface, a pair of opposite open ends and a longitudinal axis;a first of said ends of said extension tube being inserted into a first of said ends of said main tube, said extension tube being axially slidable in a longitudinal direction with respect to said main tube for slidably adjusting the distance between a second of said ends of the extension tube and a second of the ends of the main tube;said main tube having an outwardly radiating end flange adjacent a second of said ends of said main tube; andsaid extension tube having an outwardly radiating end flange adjacent a second of said ends of said extension tube.