摘要:
A plurality of longitudinally spaced annular suction grooves are formed in one of a pair of corrugating rolls on the peripheral surface thereof and a plurality of suction manifolds are formed in the corrugating roll and extend longitudinally of the roll in intersecting relationship with the annular suction grooves.
摘要:
In a printing press, at least two inking arrangements are disposed relative to a plate cylinder so that one of the inking arrangements is moved toward the plate cylinder for application of ink onto the plate cylinder while the other is in a rest position.