B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/119
B26D 7/00 (2006.01) B26D 5/00 (2006.01) B26F 3/02 (2006.01) B65H 23/24 (2006.01) D21G 9/00 (2006.01)
Patent
CA 1176556
ABSTRACT OF THE DISCLOSURE An arrangement is disclosed for cutting and guiding the marginal strip separated in connection with the lead-in opera- tion of a paper web from this web. The arrangement consists of jet tubes connected to a compressed air supply, of nozzle aper- tures provided on said jet tubes and of plates guiding the running of the marginal strip. The nozzle apertures or slit of the first jet tubes are directed to blow air jets parallel to the first guide plate. The nozzle apertures of the second jet tube are dis- posed to blow air jets parallel to the second guide plate. The planes of the guide plates are set at a given angle with reference to each other so that the orientation of the first guide plate is consistent with the direction in which the severed end of the mar- ginal strip is conducted onward, and the orientation of the second guide plate is consistent with the direction in which the marginal strip is conducted into the pulper. The guide plates operate with the aid of the air jets provided in conjunction with them as guid- ing and air transport surfaces so that as the air jets pull the marginal strip in different directions in the area of the guide plates, the marginal strip will break by tearing at a point between the guide plates or at the nozzle apertures. The new end obtained after cutting off the marginal strip is conducted onward under guidance by the first guide plate.
402819
Marks & Clerk
Valmet Oy
LandOfFree
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