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An improved liquid infiltration adapting structure for preventing liquid infiltration around a gate valve box. The structure has an annular tube structure that is tapered to more easily receive a mating pipe. The tube structure may also comprise at least one bead for further securing the mating pipe. The adapting structure is also improved by providing a stepped inner flange for ease of installing the structure around the gate valve box.
An improved liquid infiltration adapting structure for preventing liquid infiltration around a gate valve box. The structure has an annular tube structure that is tapered to more easily receive a mating pipe. The tube structure may also comprise at least one bead for further securing the mating pipe. The adapting structure is also improved by providing a stepped inner flange for ease of installing the structure around the gate valve box.
IMPROVED GATE VALVE SEALING STRUCTURE
STRUCTURE AMELIOREE D'ETANCHEIFICATION DE ROBINET-VANNE
GAGAS MICHAEL (Autor:in)
21.04.2015
Patent
Elektronische Ressource
Englisch
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