Device for cutting off an edge strip and for guiding the edge st

Details Device for cutting off an edge strip and for guiding the edge st Device for cutting off an edge strip and for guiding the edge st

1987-04-16

1989-04-04

Chin, Peter

Paper making and fiber liberation

Apparatus

With cutting, scoring, perforating or tearing

162193, 162194, 83 98, 83 99, 493342, 493363, B26D 100

Patent

active

048183431

ABSTRACT:
The invention relates to a device for cutting off and guiding an edge strip from one part of a paper or board machine to another in connection with the threading of a paper or board web. The device includes air jet nozzles for guiding the edge strip, and a threading plate which is provided with a cutting mechanism for cutting off the edge strip. In order to provide a device reliable in operation, the cutting mechanism including at least one blade member which is arranged to be displaced during the cutting of the edge strip in a plane substantially parallel to the plane of the threading plate from the front side of the threading plate towards the front edge thereof and to cut off the edge strip on the side facing away from the front edge of the threading plate and to guide the edge strip further on to the threading plate.

REFERENCES:
patent: 1637240 (1927-07-01), Proctor
patent: 3355349 (1964-12-01), Devlin
patent: 4648942 (1987-03-01), Wanke et al.

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