| 释义 |
Mannesmann, n. Manuf.|ˈmænəsˌmæn|
[The name of Reinhard M. Mannesmann (1856–1922), German industrialist and inventor.]
Used attrib. with reference to a method of making thick-walled seamless metal tubes by drawing a heated cylinder of metal between two inclined rollers that cause it to separate and flow round a pointed mandrel aligned with its axis.
1920Jrnl. Iron & Steel Inst. CI. 736 The method of manufacture of seamless tubes by the Mannesmann process is described. 1960D. J. O. Brandt Manuf. Iron & Steel (ed. 2) xliii. 345 Before considering in detail the Automatic Mill Process and the Pilger Process of tube-making we may first examine the Rotary Piercing Process or Mannesmann Process..which is the first stage in both these methods of tubemaking. 1978Jrnl. R. Soc. Arts CXXVI. 612/1 It was hoped to directly produce tubes by electrodeposition, but the process was dropped with the successful development of the Mannesmann piercing and rolling techniques. 1984E. P. DeGarmo et al. Materials & Processes in Manuf. (ed. 6) xiv. 367 The Mannesmann-type mill is used to produce tubing up to about 300 mm (12 inches) in diameter. |