Chamber doctor

Details Chamber doctor Chamber doctor

B - Operations, Transporting

41

F

B41F 31/04 (2006.01) B41F 9/10 (2006.01) B41F 31/02 (2006.01)

Patent

CA 2197169

A hollow wiper, also called a chamber doctor, for inking a cylinder in a printing machine, which cylinder has depressions for receiving ink. The chamber doctor includes a chamber doctor body, at least one doctor blade, and lateral side parts, the chamber doctor body, the at least one doctor blade and the side parts being arranged to define an ink chamber that is open toward the cylinder. The doctor blade is movably supported at the chamber doctor body. The doctor blade is movable relative to the chamber doctor body so that the doctor blade is automatically readjusted to compensate for wear, and further so that parts of the doctor blade and chamber doctor body which come into contact with ink are movable away from one another.

L'invention concerne une racle creuse, ou docteur à compartiment, servant à l'encrage d'un cylindre de machine à imprimer. Le cylindre est doté de creux destinés à recevoir l'encre. Le docteur comporte un corps, au moins une lame et des parties latérales. Le corps, la lame et les parties latérales sont disposés de manière à former un compartiment d'encre s'ouvrant vers le cylindre. La lame est fixée au corps du docteur, mais est mobile par rapport à celui-ci de manière à pouvoir être réajustée automatiquement pour compenser l'usure et de manière que les parties de la lame et du corps venant en contact avec l'encre puissent s'éloigner les unes des autres.

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