Disc for a disc chipper

A disc for a disc-chipper, said disc being adapted to rotate upon a disc-chipper shaft, said disc having an outer circumference, an inner circumference adjacent to said disc-chipper shaft and a disc body tending therebetween, wherein said disc body consisting essentially of two or more separable sector-shaped blocks, each said block provided with a number of knives for producing chips and having a radially inner end partially defining said inner circumference, a radially outer end partially defining said outer circumference, and two angularly offset sides connecting said inner end to said outer end, said disc including a first flange which is stationary relative to the disc-chipper shaft and a second flange adapted to be axially movable relative to the disc-chipper shaft, each said block radially inner end being fixed between said first and second flanges by fasteners extending through said second flange and said block radially inner ends to engage said first flange so that each block is angularly arranged around the disc-chipper shaft in a side by side arrangement.