Patent ID: 8499399
Filing Date: 2013-08-06
Classification: A46B,B08B,E21B

Abstract:
1. A device for cleaning the interior of a pipeline casing, the device comprising: an axial support; a first collar fixedly attached at a first location along the axial support; a second collar fixedly attached at a second location along the axial support; a third collar slidingly engaged with the axial support such that the second collar is located between the first collar and the third collar; a spring fixedly attached to said second collar and said third collar and extending therebetween; and a flexible support fixedly attached to said third collar and said first collar and extending therefrom, the flexible support having a plurality of brush members disposed on an outward surface thereof, wherein when said third collar is at a first position along a length of the axial support, said flexible support is distended and when said third collar is at a second position along the length of the axial support, the second position being more distant from the first collar than the first position, the flexible support is flattened.