Abstract: A briquetting machine, primarily intended for briquetting fibrous plant material, includes a pair of rotatable wheels. Each wheel has die means towards its outer periphery and the die means define a circular row of pockets in which the material is received and compressed. During rotation the wheels come together to define a nip between the wheels. To provide for a varying volume of feed of material the wheels are relatively movable to vary the size of the pockets. Furthermore the die means include male and female, overlapping dies. In the bases of the dies are located ejector members which are urged outwards to eject compacted briquettes from the dies. To compress the material prior to entry into the dies there may be a precompression channel which converges toward its outlet end, opposite converging walls of the channels being formed of compression members which move towards one another and towards the outlet end.

Abstract: A cultivating implement is intended to loosen the soil without significant distrubance of the soil surface. The implement has a frame and at least one soil working tool mounted on the frame.The tool includes a blade with a lower inclined portion and an upper upright portion which portions are interconnected by an intermediate portion.The inclined portion is moved edgewise through the ground and lies at an acute angle to the vertical to lift soil lying above the inclined portion. The intermediate portion is located in use at or below ground level.The intermediate portion may comprise a bend or the blade may be curved over the intermediate and inclined portions.The blade may be preceded by a disc arranged to cut a slot in the ground to be entered by the blade. The disc is rotatable about a horizontal axis.

Abstract: A rotor and cultivating tools are provided for a rotary cultivating machine. The rotor is of the kind having a plurality of outwardly directed cultivating tools, in the form of rods.To fix the tools to the rotor shaft the shaft has secured to it one or more helical bars extending around the shaft from one end to the other. Holes are formed in the bars and in the shaft to receive the cultivating tools.The tools have a working portion at one end and a shank at the other end. The shank extends through the bar and the shaft and is secured by a nut at the end opposite the working portion. The working portion is flattened at its outer end to present a narrower dimension to the ground being worked.The arrangement provides a shaft and tools which are cheaper to make and replace.