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Rust Never Sleeps Check out how Union Tank Car protects its torch-cut steel plate with an environmentally friendly corrosion inhibitor. Union Tank Car Company traces its history from 1859, when the discovery of oil in western Pennsylvania necessitated moving petrochemical bulk liquids to refineries and on to commercial outlet firms. The forerunner of the present cylindrical tank car, having a capacity of 4,200 gal introduced in 1869, was assembled with rivets.
By 1878, Standard Oil acquired the vast majority of bulk liquid tank cars and in 1880 placed the fleet under a newly-acquired rail line called Union Tank Line (UTL), which later incorporated into Union Tank Line Company (UTLC). In 1909 the federal government broke up Standard Oil and UTLC became a publicly held corporation. In 1919 the name changed to Union Tank Car Company (UTC) to avoid the inference it operated a railroad line.
The modern steel tank car was designed in 1901 by John Van Dyke, a UTC employee. Without internal framing, this design utilized double riveted sections attached to cast iron saddles that greatly reduced the car's weight. Additional improvements continued during this period, including the innovative securing of the container to a centerline under frame, for which UTC received a patent. Other innovations included special cars fitted with steam jackets to ship and unload viscous products in cold weather.
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