Hunkeler Ag

Martin Gfeller

Jakob Gerhard

A method and apparatus of moving printed material web includes two processing arrangements arranged one above the other that are optional in operation. A material web is processed either in the upper, first processing arrangement or in the lower, second processing arrangement. In the processing section belonging to the first processing arrangement, the material web is folded about a line parallel to its advancement direction. In the processing section belonging to the second processing arrangement, the material web is separated, along a line parallel to its advancement direction, into two material-web strands, which are then positioned one above the other. The two processing sections having in common a pair of braking rollers and a pair of drawing rollers and also a longitudinal-cutter.

Method of, and apparatus for, processing a moving, printed material web

In order to form two longitudinal folds in a material web, there are two plow folding units which extend in the vertical direction and are arranged behind one another in the movement direction of the material web. Each of the plow folding units has two guide elements for the material web, which guide elements are arranged in the manner of a gable or saddle roof. The guide elements are arranged behind one another in the movement direction of the material web and enclose a folding angle between them. The folding angle between the guide elements of the second plow folding unit which is arranged downstream of the first plow folding unit has a magnitude of at least 100&#xb0;, preferably of at least 140&#xb0;.

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Oftringen, Switzerland

Martin Gfeller