Patent ID: 7707675
Filing Date: 2010-05-04
Classification: B08B,E03F

Abstract:
1. A pipe-cleaning device comprising: a cutting head for cutting away material on the interior of a pipe, a body on which the cutting head is rotatably mounted, and drive means for driving the rotation of the cutting head with respect to the body, wherein the body has a circumference where a plurality of arrays of collapsible support elements extending in a longitudinal direction of the body are mounted for supporting the body on an interior (W) of a pipe, wherein the cutting head includes one or more collapsible cutting elements which extend in a radial direction of the cutting head and are inwardly collapsible with respect to the circumference of the body; wherein the body has a front end at which the cutting head is mounted and a rear end opposite the front end; and wherein the collapsible support elements are mounted to be inwardly collapsible with respect to the circumference of the body against the action of a resilient member, the collaosible support elements at the front end being collapsible towards the rear end and the collapsible support elements at the rear end being collapsible towards the front end.