Patent ID: 6938548
Filing Date: 2005-09-06
Classification: B41F,G11B

Abstract:
1. A noise reduction sleeve for use with a tubular printing sleeve, said printing sleeve being slid axially over a respective cylinder with the aid of compressed air exiting from holes in the outer surface of said cylinder, said noise reduction sleeve comprising: a cylinder with an axial wall, open ends, and at least as long as said printing sleeve; and said axial wall including a felted fibrous material, wherein said cylinder has a main section with inside diameter substantially equal to or slightly larger than the outside diameter of said printing sleeve and a necked down section, contiguous with said main section, with inside diameter substantially equal to or slightly less than the outside diameter of said printing sleeve, said main section and said necked down section extending substantially the length of said printing sleeve, thereby enabling said cylinder to be slid over said printing sleeve.