Anilock roll (104) is provided andAnilock roll (104) isAt least one channel (302a) on its surface302B;312A,312b;402A.Having 402b)At least one channel302B;312A,312b;402A.402b)It has a course (602) extending in a straight course direction at a predetermined angle with respect to the circumferential direction of the anilock roll (104);Each channel isFirst wall (301A);311 a;AndA second wall opposed to the first wall311 B;It is limited bySaid first wall portionFirst straight virtual line (303b) at one or more points;33b;Contact with 403B.Not crossing the first straight lineIt has a meandering shape.Said first virtual lineChannelParallel to the course direction;The second wall isAlthough they are in contact with a second straight line in one or more pointsNot crossing the second straight lineIt has a meandering shape.The second straight lineChannelParallel to the first straight lineThe first straight line isThe second straight line is separated by a distance DDistance d = 0Or12 μ M < 0 < 12 μ MPreferably5 μ M < d < 5 μ MAndMost preferably2 μ M < 0 < 2 μ M.Diagram
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