| 摘要 |
Cylinder with bearing rings for offset print machines. Said machines comprise at least a first cylinder (1) for a printing plate, a second transfer cylinder (2) and a third cylinder, printing or counter-cylinder, with both first (1) and second (2) cylinders being hollow, through the interior of which a shaft (5, 6) is inserted belonging to the machine and in that said hollow cylinders (1, 2) of lightweight material, comprise rigid bearing rings (7, 8) located at the ends of the referred cylinders, with the same diameter or somewhat greater than the blanket or printing plate (4, 14), taking said diameter from the cylinder shaft (5, 6).
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