This device consists of a pump which delivers ink from a tube of ink to a reservoir device of the apparatus called ink trough, this tube of ink being tightly fitted to a first bore of the pump, and a duct, one end of which is tightly fitted to a second bore of the pump, connecting this latter to the...http://www.google.es/patents/US4372208?utm_source=gb-gplus-sharePatente US4372208 - Device for supplying with ink printing apparatus for cigarette-making machines
Device for supplying with ink printing apparatus for cigarette-making machines