Cover of volt/bolt box of shi - rudosegumento

摘要

(57) Abstract Objective After forming the shi - rudo construction method tunnel, segumeWithout paddinging the filler in each volt/bolt box of nto saidWhat can close the box of course each borutobotsuIn inside kusu, position of concatenated volt/bolt in each every box uncommonnessBecoming, being in common, as it can apply, in the segment specialIt does not administer processing, in addition, without opening the hole to waterproof shi - to, saidWaterproof shi - to shi - rudosegu which arrival it is possible inside the tunnelOffer the cover for volt/bolt box blockade of mento. Constitution borutobotsu which is provided in shi - rudosegumentoThe cover board of the size which covers kusu is formed with the synthetic resin when alsoOn both sides of this cover board, the wide heading which is interposed into the aforementioned boxThe trail section which forms substantially U-shape condition vis-a-vis the particular cover board the time to tune unrestrictedForming just, it becomes, you abbreviate it stands upright the aforementioned trail section, vis-a-vis the cover boardRaising to direction, nut or bo which it extends into the aforementioned boxIn the ruto head, and the aforementioned volt/bolt hole fit the dowel condition which is made to extendMaking the component engage, it tried to install.