Print machine for use with high solvent inks

Claim 1

A print machine for the continuous printing of a continuous web traveling therethrough comprising: a. a machine frame; b. a vertical gate member pivotally mounted on one face of said frame and movable between an open position exposing said one face and a closed position substantially closing said one face; c. a multiplicity of pairs of cooperating print and press rolls rotatably supported on said frame in vertically spaced alignment, the print roll of each pair being disposed outwardly adjacent said gate member; d. a multiplicity of inking units supported on said gate member in vertically spaced alignment and each cooperating with one of said print rolls for applying a coating of ink to the circumferential surface of an associated print roll as it rotates during operation of the machine, each inking unit including an ink trough and means for moving said ink trough on said gate; e. closure means about other surfaces of said machine frame substantially closing said space defined by said frame; f. closure members on said gate member, at least one of which is disposed between adjacent inking units and is movable between a first position substantially closing at least a portion of the vertical space therebetween and a second position exposing the vertical space therebetwEen, said gate with its closure members cooperating in the closed position thereof with said machine frame and closure means to provide a substantially closed housing for said print and press rolls and said ink troughs; and g. gas vent means on said machine communicating with the interior thereof for withdrawing vapors from the interior thereof.