B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
B26D 7/01 (2006.01) B26D 7/26 (2006.01) B31B 19/00 (2006.01)
Patent
CA 2310523
The application relates to a device for quickly and precisely aligning and fixing foil blades on the body part of a blade roll. The rotary blade roll has a rotating shaft, at least one roll body part arranged with torsional strength on the rotating shaft, at least one foil blade supported by the roll body part, and a row of holding and positioning pins in the roll body part. Magnetic elements arranged in rows retain the foil blade flatly on the peripheral surface of the roll body part. The foil blade has a thin flexible magnetically permeable base plate and at least one sharp one-piece cutting edge of a predetermined cutting shape projecting from the base plate. The base plate has a leading edge, a trailing edge, two side edges opposing each other, and, in a front zone adjoining the leading edge, a plurality of slots aligned with the cutting edge. The holding and positioning pins radially project from the peripheral surface with a height (h) approximately corresponding to the base plate thickness (d1) and project into the slots. The width (b1) of the pins corresponds with the slot width (b) so that the foil blade can be axially displaced and repositioned within the range of the slot length (d5) while being fixed and reproducibly positioned peripherally to the roll body part.
Robic
Winkler + Dunnebier Aktiengesellschaft
LandOfFree
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