Patent ID: 8875630
Filing Date: 2014-11-04
Classification: B41F

Abstract:
1. A system comprising: a printer including a machine plate; and a machine-plate cylinder section fixedly provided on a machine-plate drive shaft, the machine plate being mounted on an outer circumference of the machine-plate cylinder section, wherein: a fluid circulation space is formed in the machine-plate cylinder section, and there are provided fluid circulation means for circulating a temperature control fluid in the fluid circulation space and temperature control means for controlling temperature of the temperature control fluid according to a temperature of the machine-plate cylinder section, the machine-plate cylinder section has: i) an inner tubular portion into which the machine-plate drive shaft is fitted, ii) an outer cylindrical portion whose outer circumference has a machine plate mounted thereon, and iii) end walls for tightly closing up respective opposite ends of the machine-plate cylinder section, such that a space between the inner tubular portion and the outer cylindrical portion is divided into a plurality of compartments by means of partition walls, a communication hole is formed in each of the partition walls except for one partition wall, and the plurality of compartments, which communicate with one another through the communication hole, form the fluid circulation space, and an inflow hole for establishing communication between a liquid inflow channel of the machine-plate drive shaft and a first compartment located at the one end of the fluid circulation space and an outflow hole for establishing communication between a liquid outflow channel of the machine-plate drive shaft and a second compartment located at the other end of the fluid circulation space are formed, characterized in that: a front end portion of the machine-plate drive shaft is formed into a taper portion, and a tapered inner tubular portion of the machine-plate cylinder section is fitted to the taper portion, the inflow hole and the outflow hole, for establishing communication, are formed in the inner tubular portion, and the machine-plate drive shaft has the liquid inflow channel for allowing the temperature control fluid through the inflow hole to flow into the first compartment located at one end of the fluid circulation space, and the liquid outflow channel for allowing the temperature control fluid through the outflow hole to flow out from the second compartment located at the other end of the fluid circulation space, formed therein.