| 摘要 |
A lagging body for a belt conveyor pulley comprises a wide and long rubber substrate and a number of rectangular or square small plate-like ceramic lagging elements aligned in the lateral and longitudinal directions and secured on the surface of said wide and long rubber substrate having a given thickness, wherein a lagging element is produced by adding an inorganic bonding agent essentially consisting of glassy material to ceramic particles, molding the resultant particles into a rectangular or square small plate-like article and firing or sintering the small plate-like article, and a number of the lagging elements are aligned on the surface of a wide and long length rubber substrate in the longitudinal and lateral directions and secured thereon. A free size lagging body is available to secure onto the outer periphery of a pulley drum by free size for repairing the pulley drum so as to eliminate inconvenience caused by the exchange of damaged pulley and wastefulness of time for waiting for the supply of new pulley.
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