Exploitation minière — Raclettes pour convoyeurs à chaînes

This second edition cancels and replaces the first edition (1984). Specifies the requirements for a range of scraper bars for use in twin outboard chain assemblies made from chains complying with ISO 610 and associated shackle type connectors complying with ISO 1082. The figures illustrate shapes and reference quantities of concern. Tabulates the dimensions and strength rating of scraper bars.