B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 13/008 (2006.01) B41F 13/02 (2006.01) B65H 29/68 (2006.01)
Patent
CA 2180061
The invention relates to a process and a device for the braking of a sheet in the delivery of a sheet-fed rotary printing press by means of blast air. For the purpose of the contactless transport of the sheets in the region of the braking section, braking is effected by the formation of shear stresses in the blast air underneath the sheet through the adjustment of a state of equilibrium between the energy, acting on the sheet, of the blast air for braking, directed against the sheet-transport direction, and the kinetic energy of the sheet being braked, with the result that, in the region of the braking path, the sheet is carried in contactless manner by the air stream.
Dennison Associates
Heidelberger Druckmaschinen Aktiengesellschaft
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