Patent ID: 7618695
Filing Date: 2009-11-17
Classification: F17C,Y10T

Abstract:
1. A method of refurbishing a cylinder said method being characterised by fitting a tubular sleeve member to the main body of the cylinder; said cylinder having a footing and a guard, said sleeve member being characterised by being formed of a material being stretchable in at least two dimensions and when unstretched being of height less than the surface distance along the surface of the cylinder from the location of the guard circumference to the location of the footing circumference, and a circumference of less than the maximum circumference of the cylinder, said sleeve member having a top elastic member attached at one end and a bottom elastic member attached at the other end, said top elastic member being in use located proximal to the location of said guard circumference and said bottom elastic member being in use located proximal to the location of said footing circumference, said top elastic member having a length when relaxed less than said guard circumference, and said bottom elastic member having a length when relaxed less than said footing circumference.