| 单词 | triblet tubes |
| 释义 | > as lemmastriblet tubes A cylindrical rod or mandrel used for forging nuts, rings, tubes, etc., or for drawing lead-pipe. Also attributive: triblet tubes, thin tubes which slide one upon the other, as in a telescope. ΘΚΠ society > occupation and work > equipment > metalworking equipment > [noun] > equipment for making tubes, pipes, or rings wortlea1525 triblet1611 tube-machine1891 tube-mill1909 1611 R. Cotgrave Dict. French & Eng. Tongues Triboulet, a Triblet; the toole whereon Goldsmiths and Clockmakers put Rings, and little wheeles, when they file, or otherwise worke, them. 1736 R. Ainsworth Thes. Linguæ Latinæ I. (at cited word) A triblet, or triboulet (goldsmith's tool for making rings). 1778 Nairne in Philos. Trans. (Royal Soc.) 68 854 In the uppermost room stood a large iron triblet, of about three feet in height. 1853 A. Ure Dict. Arts (ed. 4) I. 724 A mandril,..which consists of a long rod of iron, having a short steel treblett on its end. 1877 E. H. Knight Pract. Dict. Mech. (at cited word) The nut having been cut from the bar, the hole is punched and enlarged by the triblet. 1895 Model Steam Engine 95 Triblet drawn tube (i.e., tube made by drawing a steel mandrel through the inside as well as drawing the outside through a hole). < as lemmas |
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