Embodiments of the present invention relate to apparatuses, systems, and methods for constructing, installing, and using an inflatable hatch sealing device in environmentally sealing a manhole. In particular, the inflatable hatch sealing device has a sealing assembly with a directed inflatable air bladder, and the sealing assembly is rotatable relative to a contact disc.


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    Title :

    INFLATABLE HATCH SEALING DEVICE


    Additional title:

    DISPOSITIF D'ETANCHEITE DE TRAPPE GONFLABLE


    Contributors:
    JOHNSON DON (author) / COUSINEAU JEFF (author) / SHREVE TED (author) / CRUM MICHAEL (author)

    Publication date :

    2015-05-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B65D Behältnisse zur Lagerung oder zum Transport von Gegenständen oder Materialien [Container], z.B. Säcke, Beutel, Fässer, Flaschen, Dosen, Kästen, Büchsen, Schachteln, Packkörbe, Tonnen, Gläser, Flüssigkeitsbehälter, Trichtersilos, Transportbehälter , CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / F16J Kolben , PISTONS



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