Experience of one railroad company with use of polyurethane foam insulation in refrigerator cars and trailers over last 10 yr; originally requiring several days, in-place foaming now takes less than 1 hr; foam-insulated trailers leak 9900 Btu/hr at 100 F temperature differential compared with 15,000 for nonfoam trailers; refrigerator cars can now safely carry perishables coast to coast in any ambient temperature with inside temperature from below zero to 70 F; 60-ft, 100-ton car contains over 3800-lb rigid urethane foam of density 2 to 20 lb/cu ft.


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    Titel :

    Cellular plastics in railroad refrigerator cars and piggyback trailers


    Weitere Titelangaben:

    J Cellular Plastics


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    1966


    Format / Umfang :

    2 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Highway trailers on railroad flat cars from traffic viewpoint

    Sampson, H.R. | Engineering Index Backfile | 1951


    Pennsylvania railroad refrigerator cars

    Engineering Index Backfile | 1917


    Geography of railroad piggyback operations

    Schwind, P.J. | Engineering Index Backfile | 1967