Abstract: The format of sheet material being printed is controlled and may be varied during successive printing cycles of a continuously operating printing machine by means of an assembly, preferably including a step-by-step motor for driving the sheet, which assembly is controlled by pulses and moves the sheet during a period within which no printing takes place.
Type:
Grant
Filed:
September 2, 1976
Date of Patent:
January 3, 1978
Assignee:
Ateliers de Constructions Mecaniques Seailles & Tison