Blow box for web carrier rolls and having a connecting wall

Details Blow box for web carrier rolls and having a connecting wall Blow box for web carrier rolls and having a connecting wall

D - Textiles, Paper

21

F

D21F 3/00 (2006.01) B65H 18/20 (2006.01) B65H 18/26 (2006.01)

Patent

CA 2188340

ABSTRACT OF THE DISCLOSURE A blow box for use beneath a pair of carrier rolls or a roll winder for a web. The blow box disposed beneath the carrier rolls has first and second side walls generally sealed respectively at each of the carrier rolls. The paper web passesbeneath one of the carrier rolls and up between the rolls. The web may tear and the paper web then drops into the blow box. A connecting wall on the blow box between the side walls thereof and above the base receives the paper falling thereon rather than the paper falling into the blow box. The connecting wall may be inclined to direct the falling paper toward a side wall where and opening is provided enabling the moving of the paper. The connecting wall may be perforated and the air flow into the blow box is beneath the perforated wall so that the air flow through the wall cooperates in moving the falling paper along the connecting wall. As a result, the waste paper can be removed quickly and easily.

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