Patent ID: 6889851
Filing Date: 2005-05-10
Classification: D21C

Abstract:
1. A bar screen for draining liquid from chips in a pulp processor, the bar screen comprising: a frame and plural screen bars fastened substantially parallel to the frame at their opposite ends in such a manner that a filtering gap is formed between adjacent ones of the screen bars, each of the screen bars having essentially parallel end faces having a length of 0-40 mm, the end faces being connected by rounded parts; the gap between the adjacent ones of the screen bars being divided in two adjacent parts, a front part with a narrowing round-edged cone shape and a back part with a widening round-edged cone shape, the back part providing a channel for a flow of extracted liquid; a filtrate chamber in fluid communication with the back part for extraction of the liquid therefrom; and a saddle support between opposite ends of the screen bars supporting at least one of the screen bars, wherein at the gap in the saddle support, a space is provided separate from the back part to prevent a decrease in surface area of the filtrate chamber at the saddle support.