| Patent Number |
Title Of Patent |
Date Issued |
| 4668181 |
Heating device and process for controlling the heating device for webs to be unwound from rolls |
May 26, 1987 |
| A heater is provided for heating an unwound portion of a web supported at a holder on a rotatable roll. A first pair of rollers between the holder and heater pull the web from the roll. A second pair of rollers advance the web after it passes through the heater. |
| 4552068 |
Gravure cylinder |
November 12, 1985 |
| A gravure printing machine cylinder has a means for mounting wrap-on gravure plates thereon using a tensioner able to be rocked about the shaft of the cylinder and having an outer cylindrical face in keeping with the outline of the cylinder in the printing condition. In order to be certa |
| 4541336 |
Method and device for controlling the supply of ink to the inking units of a multi-color printin |
September 17, 1985 |
| In the operation of a multi-color printing press an accurate and at the same time economic control of the inking of the printing plate or the like is made possible by converting the optical frequencies of light reflectance from inking zones (i.e. the zones controlled by the different |