New type of Kvaerner Brug hatch cover is so designed that each hatch is covered equally by two steel pontoon type sections built as airtight box girders; one section is lifted by hydraulic cylinders to allow for other section, which is self-propelled, to roll under and below first section; first section is then lowered to ride "piggyback" on second; together, sections will perform as motorized, self-propelled package which can be moved electrically to any available position over adjacent hatchways along rail tracks placed on each side of coaming top and extending fore and aft also between hatches, etc. (45560)


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    Titel :

    New fore-and-aft rolling hatch cover


    Weitere Titelangaben:

    Shipbldg Shipping Rec


    Erschienen in:

    Erscheinungsdatum :

    1968


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


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