| 摘要 |
PURPOSE: To realize a conveyer chain having a conveying surface with the coefficient of friction smaller than that of a smooth surface. CONSTITUTION: A conveyer chain is formed on the conveying surface with irregular ruggedness like a satin pattern or leather pattern having 18μm-100μm of surface roughness. Also, the inner surface of a metal mold in which synthetic resin forming a chain body constituting a conveyer chain is poured is processed with a chemical corrosion method or shot blast method to form an irregular ruggedness having 18μm-100μm of the surface roughness on the inner surface of the metal mold.
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