| 摘要 |
The machine for creasing and cutting an endless web of cardboard or the like comprises at least two pairs of creasing rollers (21, 22, 24, 25) and at least two pairs of cutting rollers (32, 33, 34, 35); the web of cardboard being processed passes between the rollers (21, 22) of a first pair of creasing rollers and the rollers (32, 33) of a first pair of cutting rollers, while the other pair of creasing rollers (24, 25) and the other pair of cutting rollers (34, 35) are situated in inactive positions in which there operate means (184, 184 min ) for the positioning of the respective tools; the two pairs of creasing rollers (21, 22, 24, 25) and the two pairs of cutting rollers (32, 33, 34, 35) are carried by an angularly mobile assembly (17, 17) which alternately assumes one or other of two angular positions in order to arrange one or other of said two pairs of creasing rollers and one or other of said two pairs of cutting rollers in the working position. (Fig. 5). |
