Temperature controlled printing press

Details Temperature controlled printing press Temperature controlled printing press

1994-05-26

1995-12-05

Bennett, Chris A.

Printing

Rolling contact machines

Rotary

101141, 101487, B41F 2304

Patent

active

054719275

ABSTRACT:
A printing press (10) is disclosed which incorporates a cooling system for the lubricating oil. The lubricating oil comes into contact with the major heat generating components of the printing press and control of the temperature of the lubricating oil provides an efficient technique for maintaining the printing press temperature at optimal temperature. A printing press (100) is also disclosed which includes water fluid flow through ink rollers (108). A source of cold water (114) can be tapped to supply water to the rollers to cool the rollers and a source of hot water (126) can be tapped to provide heated water to heat the rollers. Fuzzy logic is utilized with heating or cooling about a set point temperature within a given range being performed with the majority of the fluid being bypassed while heating and cooling outside of the predetermined range is achieved by flow of solely heated or cooled water.

REFERENCES:
patent: 2971460 (1961-02-01), Shindle
patent: 3584681 (1971-06-01), Sternberg
patent: 4183298 (1980-01-01), Cappel et al.
patent: 4527473 (1985-07-01), Littleton
patent: 4617864 (1986-10-01), Niedermaier et al.
patent: 4857135 (1989-08-01), Copp
patent: 4920881 (1990-05-01), Tafel
patent: 5048418 (1991-09-01), Hars et al.
patent: 5074213 (1991-12-01), Kurosawa
patent: 5189960 (1993-03-01), Valentini et al.

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