B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
B65H 21/00 (2006.01) B65H 20/02 (2006.01) B65H 20/24 (2006.01)
Patent
CA 2166908
The invention relates to a method and an apparatus for the parallel displacement of a material web (1) in that the material web (1) is, between two driven bending rollers (6, 8), caused to form a freely depending bight or loop (11) whose lower end is read-off by a sensing device (12). The sensing device (12) controls the speed of the first bending roller (6), while the second bending roller (8) is driven at constant speed.
Mellquist Henrik
Nantin Hans
Thulin Rolf
Marks & Clerk
Mellquist Henrik
Nantin Hans
Tetra Laval Holdings & Finance Sa
Thulin Rolf
LandOfFree
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