ASME B29-22 pdf download DROP FORGED RIVETLESS CHAINS, SPROCKET TEETH DRIVE CHAIN/DRIVE DOGS 1 INTRODUCTION The drop forged rivetless chain has widespread use in many industries on trolleys, scraper flights, assembly, and similar conveyors. Because materials do not tend to pack in its open structure, the drop forged rivetless chain is used extensively for flight conveyors. Its design permits both...