Machine parts for transmission of forces, especially bearings and bushings, rollers, gear drives, mandrels, couplers of synthetic material, transmissions for machines; transmission gears for machines; finished plastic components all being parts of machines, namely, gear wheels, housings, axles, containers, frames, shells, cages, boxes, connectors, cam rollers, runners, collars used for machines, compression moulded and injection moulded machine parts made of plastics, compression moulded and ...