AS 1085 12:2002 Railway track material Part 12: Insulated joint assemblies. 5 DEFINITIONS For the purpose of this Standard, the definitions below apply. 5.1 Factory-assembled bonded insulated joint A Ioint manufactured in controlled conditions using rail and joint materials (see Figure 1). The rail may be raight or curved to a nominated radius A factory-aseembled bonded insulated joint is intended...