Conduit, manufacture thereof and fusion process therefor

摘要

CONDUIT, MANUFACTURE THEREOF AND FUSION PROCESS THEREFOR A method for fusing a first conduit section (116) to a second conduit section (118), each including at least one bell portion (106) with a first end (108) and a second end (110) and having a bell portion inside dimension (112) greater at the second end (110) of the bell portion (106) than at the first end (108) of the bell portion (106). The method includes: heating and melting at least a portion of each of the second end (110) of the bell portion (106) of the first conduit section (116) and the second end (110) of the bell portion (106) of the second conduit section (118); and fusing the first conduit section (116) and the second conduit section (118) by engaging the second end (110) of the bell portion (106) of the first conduit section (116) with the second end (110) of the bell portion (106) of the second conduit section (118), thereby creating a fused conduit system (119) having a fused joint area (120). -15 - litl Ff. 4ar Fig.I~ o lotZ DOv~ ~lor Fig7