Patent · US Expired

Device for remoistening a web of printed material

US5813332A · kind A · utility

4Cited by
6References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 17, 1997
Grant dateSep 29, 1998
Priority date
Expiry dateApr 17, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB41F23/02
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

In a remoistening device for remoistening a freshly printed and dried web of printed material has a housing through which the web of printed material runs. The remoistening device is a disposed downstream from a dryer, preferably in the area between the dryer and a cooling device. The remoistening device is provided with an inlet and outlet slot, in which spray nozzles, which are arranged above and underneath the conveyance plane of the web of printed material and which can be supplied with a moistening agent, are provided. It is possible to achieve a high degree of freedom from trouble and soiling is achieved in that drip catchers are arranged at the lower edges of the walls of the upper housing area of the remoistening device which cross an conveyance plane of the web of printed material. The liquid resulting in the drip catchers and in the lower housing area of the remoistening device can be removed, and that air squeegee devices, which can be charged with compressed air and are situated across from each other with respect to the conveyance plane of the web of printed material, are provided at least in the area of the outlet slot.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.