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    • 5. 发明专利
    • JPH05280172A
    • 1993-10-26
    • JP4462792
    • 1992-03-02
    • E04F13/22E04B1/41E04B1/48E04B1/76E04F13/08E04F13/21F16B13/00
    • PURPOSE: To improve coupling ability by a method wherein a fixing part consists of a tip part to close an internal hole and an engaging member arranged on the outer peripheral surface of the fixing part, and an annular seal lip is arranged between the fixing part and a shank. CONSTITUTION: A disc-form heat insulation plate 3 is arranged at one end part of a sleeve-form shaft 2 and a fixing part 4 is arranged on the other end face. A tip part 5 to close an internal hole 6 of the fixing part 4 is arranged at the end face of the fixing part 4. A number of coupling members 7 are arranged on the outer peripheral surface of the fixing part 4. Further, two annular seal lips 11 are arranged between the fixing part 4 and the shank 2. After a support built wall 9 is cured and forms are removed, a thread 16 of a wire anchor 15 is screwed in an internal hole 6 the fixing part 4 of which is narrowed.