B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 31/00 (2006.01) B41F 13/00 (2006.01) B41F 31/02 (2006.01) B41F 35/00 (2006.01)
Patent
CA 2296862
Detachable inking device for a flexographic printing machine, its embodiment, cleaning and use in such a machine. This device comprises a chambered doctor blade (9) mounted on two lever-supports (13, 14) crossed by duct joining pieces (15, 16) respectively. The lever-supports are rigidly attached to a shaft (11) about which they are pivotable and which is held between the frames (34) of said flexographic printing machine. Said chambered doctor blade (9) consists of a body (25) made of light metal material, crossed at one of its ends by a tube (26) emerging from the bottom (28) of said body (25), and at the other end by a tube (40) having its opening part (29) at level with the bottom (28) of the body (25). The latter rests on seals (38, 39) secured to the lever-supports (13, 14) to which are attached centering and fixing means (17, 18) allowing a quick loosening of the chambered doctor blade (9) without the help of any tool. The body (25) comprises two plane and outwardly slanted projecting parts against which are glued two doctor blades (19, 20) by means of a gluing means (48). The doctor blades (19, 20) are also held at their ends by a supporting piece (21) having two supporting parts (35, 36) applying the ends of the doctor blades (19, 20) on an end seal (22). Said chambered doctor blade (9) can be handled by a manipulator (55) and conveyed into an automatic washing device (80) or a device (100) for gluing and ungluing said doctor blades (19, 20).
Bardet Gilbert
Hurlimann Daniel
Luscher Patrick
Morisod Jean-Bernard
Piguet Michel
Bobst S.a.
Smart & Biggar
LandOfFree
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