Improvements in mechanisms for dispensing glue application on a roll moving, especially corrugated cardboard

摘要

Apparatus is provided for regulating the quantity of the glue application to a moving corrugated pasteboard web, comprising a glue vessel (2), a rotating glue applicator roll (1) dipping into the glue vessel, against which roll the moving web (10) to be glued is pressed, and a pre-regulating adjustable doctor blade (4) extending over the whole width of the roll for regulating the quantity of the glue to be transferred to the web. In addition to blade (4) there is present a further adjustable doctor blade (5) extending over the whole width of the roll, for final regulation of the glue application. IMAGE