发明名称 WATERPROOF COVER FOR FLEXIBLE CONTAINER BAG
摘要 PROBLEM TO BE SOLVED: To provide a waterproof cover for a flexible container bag relating to the container bag capable of storing various kinds of powder and granular substances such as grains, a fertilizer, feed or an industrial powder and granular product such as calcium carbonate and carbon black, resin pellets and crushed resin for recycling to improve an efficiency in handling for transportation and storage, in particular consisting of a novel structure for improving waterproofness of the flexible container bag. SOLUTION: The lower end of a hood waterproof sheet 4 which can be formed in a truncated-cone-shaped or truncated-pyramid-shaped appearance is coupled, in a waterproof manner, with the upper end rim of a rectangular barrel-winding waterproof sheet 3 to form a mantle-like cover body 2. In addition, a coupled fastener portion 5 consisting of a hook side and a loop side of a hook-and-loop fastener is provided on the right and left butted rims, thereby providing the waterproof cover 1 for the flexible container bag. COPYRIGHT: (C)2005,JPO&NCIPI
申请公布号 JP2004352267(A) 申请公布日期 2004.12.16
申请号 JP20030149930 申请日期 2003.05.27
申请人 KITA NIHON KUMIAI SHIRYO KK 发明人 NISHIMURA TAKASHI;TACHIKAWA HIROSHI;KUNII SHUNICHI
分类号 B65D30/10;B65D88/22;B65D90/22;(IPC1-7):B65D88/22 主分类号 B65D30/10
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