| 摘要 |
PROBLEM TO BE SOLVED: To provide a case type powder and granular material flow conveyor for continuously and smoothly carrying powder and granular material while automatically solving the clogging of the powder and granular material, called "bridge" which may be formed with the powder and granular material dropped and supplied into a drop-supply region defined under the supply port of a conveyor case. SOLUTION: The case type power and granular material flow conveyor includes a conveyor chain for circularly travelling in the conveyor case 110 in a vertical turning manner, and a chain cover 150 for covering an upper part return side portion 140b of the conveyor chain in the drop-supply region S defined under the supply port 111 of the conveyor case 110. A rake-up attachment 142 of the conveyor chain is constructed of rib members protruded from both sides of a chain body 141. A cover width W1 of the chain over 150 is greater than an attachment width W2 of the chain body 141 and a smaller than a rib protrusion width W3 of the rake-up attachment 142. COPYRIGHT: (C)2011,JPO&INPIT
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