| 摘要 |
PROBLEM TO BE SOLVED: To develop a technology to secure the waterproofing of a communicating hole formed at a waterproof layer while securing the optimal workability, controlling a quantity of a waterproof filler and reducing the size of a waterproof disc projecting from the waterproof layer. SOLUTION: The present invention relates to a disc externally fitted with a projection 25 projecting from a waterproof layer 3 of the anchor member 20 provided in an extending state and communicating through the waterproof layer 3 of the surface of the base material 1, and provides a waterproofing method to waterproof the waterproof layer communicating hole 3a where the anchor member 20 communicates by pressing a waterproof disc 30 having a structure securing a clearance C between an O ring 32 attached to the outer periphery of a middle projecting wall 35 of the disc body 31 and an outer peripheral wall 34 which is a concentric circle surrounding the middle projecting wall 35, and the disc 30 externally fitted with the projection 25 of the anchor member 20 against the filler rising part 4b formed around the root of the projection 25. COPYRIGHT: (C)2011,JPO&INPIT
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