Mannesmann, Max and Reinhard

Max Mannesmann, born Dec. 30, 1857; died Mar. 2, 1915. Reinhard Mannes-mann, born May 13, 1856, in Remscheid; died there Feb. 20, 1922. German engineers and entrepreneurs; inventors of a method of producing seamless pipe.

In 1885, while employed at a file factory in Remscheid, the Mannesmann brothers invented a roller-piercing mill, and in 1891 they designed a pilger mill to manufacture seamless pipe. Using their patents, the Mannesmann brothers in 1890 organized the Mannesmannröhren-Werke, the largest metallurgical concern in the pipe-rolling industry. The Mannesmann brothers also had a number of inventions in other technical areas, such as carburizing steel, file production, and telephony.

单词	mannesmann, max and reinhard
释义	Mannesmann, Max and Reinhard Mannesmann, Max and Reinhard Max Mannesmann, born Dec. 30, 1857; died Mar. 2, 1915. Reinhard Mannes-mann, born May 13, 1856, in Remscheid; died there Feb. 20, 1922. German engineers and entrepreneurs; inventors of a method of producing seamless pipe. In 1885, while employed at a file factory in Remscheid, the Mannesmann brothers invented a roller-piercing mill, and in 1891 they designed a pilger mill to manufacture seamless pipe. Using their patents, the Mannesmann brothers in 1890 organized the Mannesmannröhren-Werke, the largest metallurgical concern in the pipe-rolling industry. The Mannesmann brothers also had a number of inventions in other technical areas, such as carburizing steel, file production, and telephony.
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