单词 | sand core |
释义 | > as lemmassand core sand core n. ΚΠ 1875 R. Hunt & F. W. Rudler Ure's Dict. Arts (ed. 7) II. 474 The sand cores for filling up that part of the shell which is to be hollow. sand core sand core n. a compact mass of sand that is dipped into molten glass and withdrawn, so as to serve as a core in the making of a hollow vessel; frequently attributive. ΘΚΠ society > occupation and work > equipment > glass-making equipment > [noun] > shaping equipment ferret1662 punty1662 puntilion1665 pucellas1701 casting-table1728 marble1745 pinching tongs1765 borsella1823 punt1823 marver1832 pontil1832 punto1839 working tube1841 bullion-bar1852 blowing-iron1855 bullion-rod1862 blowpipec1865 pointel1865 gadget1868 casting-slaba1877 casting-plate1881 glass-cutter1881 sand core1894 polissoir1897 pontil rod1934 blowing-machine1940 blowing-pipe- blowing-tube- society > occupation and work > equipment > glass-making equipment > [adjective] > shaping equipment sand core1894 1894 W. M. F. Petrie Tell el Amarna iv. 27 A tapering rod of metal was taken..; on the end of this was formed a core of fine sand... The rod and core were dipped in the melted glass... When the whole was finished, the metal rod in cooling would contract loose from the glass; it could then be withdrawn, the sand core rubbed out, and the vase would be finished. 1933 Antiquity 7 421 In the technique of glass-manufacture..the process of pressing into a mould as distinct from modelling on a sand-core came into vogue. 1934 Greece & Rome May 140 Vessels of glass made by the sand-core technique, a process well known in Egypt during the eighteenth dynasty. 1962 D. Harden Phoenicians xi. 154 From the seventh to the third century sand-core fabrics made up the bulk of existing glass vessels. < as lemmas |
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