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(11) | EP 0 139 357 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Coupling for a rotary printing screen |
(57) A rotary printing screen (10) comprises a cylindrical screen (12) of fine nickel
mesh removably connected to two coupling devices (14). Each coupling device (14) has
a fixed end ring (18) and a movable ring (22) biased by an internal screw threaded
ring (32). The adjacent faces of the rings (18, 22) are profiled to form a groove
which constitutes a seat for the endless band (26). Movement of the ring (32) causes
the band (26) to be compressed and frictionally engage the screen (12). |