HARDWARE BURYING PART OF SEGMENT

摘要

PROBLEM TO BE SOLVED: To provide a hardware burying part for a segment which makes it possible to omit filling works of filler in a hardware and a reentrant part and decreases construction costs and, prevents invasion of water to the part. SOLUTION: A reentrant part 2 is formed at an inner side 1a of the segment 1, the hardware 4 which is buried in the part 2 is formed of a female thread 4a, a cap 10 which is spirally fitted to the thread 4a of the part 2, and a packing 40 lying between the cap 10 and the hardware 4. the cap 10 is provided with a male thread 31 which is spirally fitted to the thread 4a and a head 20 which closes the part 2 when the thread 31 is screwed in the thread 4a of the hardware 4 and gets flush with the side 1a of the segment 1.