Patent ID: 7932922

Claim:
An arrangement for tail threading in a web-forming machine, comprising: a plurality of sequential production sections; a first production section of the plurality of sequential production sections having a cutting device which cuts a threading tail from the web being formed on the web-forming machine; a second production section of the plurality of sequential production sections following in sequence the first production section, the second production section having a start, and a threading device arranged to thread a tail through the second production section, which threading device having a first draw point at the start of the second production section; a transfer device arranged to transfer a threading tail from the first production section to the threading device of the second production section; wherein the second production section has an end which defines a holding point, to which the threading device extends; control equipment arranged in controlling connection to the cutting device, the transfer device, and the threading device; a first camera device arranged for collecting time-specific image information of formation of a threading tail by the cutting device; a second camera device arranged for collecting time-specific image information of a web tail in the transfer device at the first draw point; a third camera device arranged for collecting time-specific image information of the holding point; and memory devices connected in image storing relation to the first camera device, the second camera device, and the third camera device for storing time-specific image information collected using the first camera device, the second camera device and the third camera device, the memory devices connected to a display device such that images captured by the first camera device, the second camera device and the third camera device can be displayed in a selected manner.