发明名称 VARIABLE PAD, RAIL HEIGHT ADJUSTMENT METHOD, AND RESIN FEEDER
摘要 <P>PROBLEM TO BE SOLVED: To provide a variable pad which allows nozzle attachment/detachment operation to/from an inlet or resin injection operation to be easily performed. <P>SOLUTION: A resin injection type variable pad 38 which is installed between a tie plate 14 and a rail bottom face 36A together with a track pad 40, and allows the height of a rail 36 on the track pad 40 to be adjusted by the injection amount of a resin fed from a resin feed nozzle 84 comprises: a flat flexible bag body; a tongue-shaped part 56 extending from the bag body to a position not overlapping with the rail bottom face 36A in a plan view for injecting a resin; a resin injection tube 60 which has an upper end projecting upward from the tongue-shaped part 56 so as to be connected with the resin feed nozzle 84 from above, and a lower end communicating with inside of the bag body through the tongue-shaped part 56; and a check valve 62 which is installed to the resin injection tube 60 and prevents the resin fed to the bag body from reverse flowing. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012180633(A) 申请公布日期 2012.09.20
申请号 JP20110042012 申请日期 2011.02.28
申请人 ALLEN:KK;SHINTO PAINT CO LTD 发明人 OZAWA HAJIME;OKI YASUNORI
分类号 E01B9/68;E01B29/16 主分类号 E01B9/68
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