Patent ID: 7509960

Claim:
An automatic machine for processing tobacco articles, the machine comprising: a supporting frame ( 4 ) having a front wall ( 5 ); a number of operating devices ( 6 ) located at the front wall ( 5 ) and for processing a succession of articles; an inner first casing ( 12 ) which is supported by the supporting frame ( 4 ), can be opened, covers all the operating devices ( 6 ) having moving parts, and acts as a safety device for protecting operators of the automatic machine ( 2 ); safety means for disabling operation of the machine when the inner first casing ( 12 ) is not in a closed position; an outer second casing ( 13 ) which can be opened, is independent of the inner first casing ( 12 ), is arranged facing to and close to the inner first casing ( 12 ), is independent of the inner first casing ( 12 ), covers at least part of the inner first casing ( 12 ), is separated from the inner first casing ( 12 ) by a distance defining the depth of a soundproofing air chamber, and is movable between a closed position and an open position regardless of the operating condition of the machine.