Pertains to Drop Forged Rivetless Chain, which has widespread use in many industries on trolley, scrapper flights, assembly and similar conveyors. Because materials do not tend to pack in its open structure, Drop Forged Rivetless Chain is used extensively for flight conveyors. Its design permits both horizontal and vertical operation over irregular routes, making it particularly acceptable for trolley conveyor service.
ANSI/ASME B29.22-2001 history
2001ANSI/ASME B29.22-2001 Drop Forged Rivetless Chains, Attachments, and Sprocket Teeth