| 摘要 |
PURPOSE:To improve working efficiency, by a method wherein a conveying device for a powdery material is constituted such that a shield member, having an expandable elastic part formed at its central part, is located between retainers mounted to a chain. CONSTITUTION:A flat shield member 11, having an expandable flexible part 15 formed at its central part, is tightened between retainers 10, mounted to a chain 8, and at its solid parts 16 to securing parts 14 of retainers 10 by means of fastenign metals 17. This constitution enables a powdry material in addition to cardboark boxes to be conveyed without the occurrence of leak, adn permits improvement of workin efficiency. |
