| 摘要 |
A continuous belt is formed by bonding together ends of belt forming material (20) in abutting relationship by means of a bonding layer (10) over the abutting ends, the bonding layer comprising hot melt adhesive (13) and a reinforced backing layer (11, 12). The bonding layer is placed in position and heat applied to melt the adhesive. The adhesive sets on cooling. The adhesive is a plastics and has a melt temperature above 60 DEG C. The backing layer comprises plastics material with a fibrous reinforcement bonded thereto. The fibrous reinforcement may be glass, other ceramic or a plastics fibre material. The backing layer may be in strip form and comprises a nylon backing 11 and aromatic polyamide filaments reinforcement 12 laterally of the strip or in a woven form. <IMAGE> |
