HERMETIC STRUCTURE OF PIPING PENETRATION PART

PROBLEM TO BE SOLVED: To provide a hermetic structure of a piping penetration part in which a hermetic property can be improved more.SOLUTION: A hermetic structure 100 is provided for ensuring a hermetic property in a piping penetration part 18 in which a distribution pipe 16 is passed through a thr...

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Bibliographische Detailangaben
Hauptverfasser: TANIGUCHI YUKIO, KONDO TOMOO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a hermetic structure of a piping penetration part in which a hermetic property can be improved more.SOLUTION: A hermetic structure 100 is provided for ensuring a hermetic property in a piping penetration part 18 in which a distribution pipe 16 is passed through a through hole 14 provided on a partition wall 12 partitioning a building inside space 10 and comprises a tubular half-split sleeve 20, a seal material 26 and an aluminum tape 32. The half-split sleeve 20 has at one end side a flange part 24 screwed to the partition wall 12 around the through hole 14 and is divided into halves in a circumferential direction to cover an outer circumferential surface of the distribution pipe 16. The seal material 26 closes a gap between the partition wall 12 and the flange part 24 of the half-split sleeve 20. The aluminum tape 32 is spread over another end 34 of the half-split sleeve 20 connected in the circumferential direction and the distribution pipe 16 and wound around the outer periphery of the other end 34 and the distribution pipe 16.