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单词 saggar
释义

saggarsaggern.

Brit. /ˈsaɡə/, U.S. /ˈsæɡər/
Forms: [1600s shrager], 1600s segur, 1700s–1800s saggar, seggar, 1800s sagger ( saggard), segger, sagre.
Etymology: Probably a contraction of safeguard n.This explanation is supported by the existence of the form seggard n. for safeguard as the name of an article of dress. The earliest recorded form, shrager (quot. 1686 at sense 1 below), seems to be a corruption due to etymological association with German schragen to prop up; perhaps it may havef. been invented by the German workmen employed in the Staffordshire potteries.
1. A protecting case of baked fire-proof clay in which the finer ceramic wares are enclosed while baking in the kiln. Also, more widely, any case made of refractory material or cast or wrought iron used to protect objects while in a furnace, as during annealing of iron castings.
ΘΚΠ
society > occupation and work > equipment > pottery manufacturing equipment > [noun] > case for protecting during firing
saggar1752
wad1825
cassette1909
1686 R. Plot Nat. Hist. Staffs. iii. 123 If they be leaded hollow-wares, they doe not expose them to the naked fire, but put them in shragers, that is, in course metall'd pots, made of marle (not clay).]
1752 Gentleman's Mag. 22 348 Great kiln for segurs.
1768 J. Wedgwood Let. 6 Nov. in Life (1866) II. 83 I shall..put some men into them to make Saggars, prepare Clay, build ovens, &c.
1782 Encycl. Brit. IX. 6420 (note) The cases are called by English potters, seggars.
1807 T. Thomson Syst. Chem. (ed. 3) II. 493 Cylindrical earthen vessels, formed of pounded fire-bricks and clay, called seggars.
1847 J. O. Halliwell Dict. Archaic & Provinc. Words II Saggard, the rough vessel in which all crockery, fine or coarse, is placed when taken to the oven for firing.
1879 J. J. Young Ceramic Art 77 The Japanese do not make any extensive use of seggars.
1884 W. H. Greenwood Steel & Iron 284 The castings are then packed in cast-iron boxes or crucibles known as ‘saggers’.
1888 Lockwood's Dict. Mech. Engin. 298 Saggers, cast-iron boxes used for packing the castings and sifted red hæmatite, in readiness for the annealing oven, in the process of manufacture of malleable cast iron.
1921 Dict. Occup. Terms (1927) § 220 s.v. Hardener Within an iron box, a sagger or other fire-clay vessel.
1928 H. M. Boylston Introd. Metall. Iron & Steel v. 151 If the parts are small..they are packed with a mixture of rolling-mill scale or scale from saggers and brick-bats or sand. The packed pots, or saggers, are then heated in an annealing furnace.
1960 Times Rev. Industry July 22/1 A rich iron ore is packed, together with coke breeze (the reducing agent) and limestone, into clay containers called saggars (the term is taken from the pottery industry, and in fact the process is very similar to that used in making pottery).
1964 H. Hodges Artifacts i. 39 Some glazed wares need to be protected from the direct flame, and..this may be done by placing them in lidded boxes called saggars (saggers or seggers).
1967 M. Chandler Ceramics in Mod. World ii. 79 The ceramist uses saggers only when he must.
1977 R. Fournier Illustr. Dict. Pract. Pottery (rev. ed.) 196/2 With the coming of cleaner fuels, smaller kilns, and ‘continuous’ firing the use of the saggar has declined sharply and it is becoming difficult to purchase them.
2. The clay of which ‘saggars’ are made. Also saggar-clay.
ΘΚΠ
society > occupation and work > materials > raw material > clay > [noun] > for making pottery > types of
white claya1387
bottle clay1686
porcelain clay1690
blue clay1698
tasco1726
kaolin1728
capital1738
unaker1744
saggar1786
ball clay1811
Cornish clay1829
china-clay1840
Poole clay1875
bleaching-clay1881
pâte1890
virgin clay1891
1786 J. Wedgwood Let. 13 Feb. in Sel. Lett. (1965) 292 With regard to Sagar clays, they cannot be judged of from their external appearance.
1839 A. Ure Dict. Arts 1020 Space appointed as a depôt for the sagger fire-clay.
1842 W. T. Brande Dict. Sci., Lit. & Art 1074/2 Sagger.
1843 Civil Engineer & Architect's Jrnl. 6 350/1 The sagger clay from the Staffordshire pottery was also a fire clay.
1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 45 Sagre Clay, fire-clay; a soft argillaceous shale.

Compounds

C1. General attributive.
saggar-maker n.
ΚΠ
1825 ‘J. Nicholson’ Operative Mechanic 468 The sagger~maker is expected to know [etc.].
C2.
saggar-bung n. a pile of saggars.
ΚΠ
1828 Potter's Art ii. 184 The saggar bung Or column.
saggar-house n. the room where the articles to be baked are put into the saggars.
ΚΠ
1853 A. Ure Dict. Arts (ed. 4) II. 454 When ready it is carried to the ‘sagger-house’..and here it is placed in the ‘saggers’.
This entry has not yet been fully updated (first published 1909; most recently modified version published online March 2022).

saggarv.

Brit. /ˈsaɡə/, U.S. /ˈsæɡər/
Forms: Also sagger.
Etymology: < saggar n.
transitive. To place in or upon a saggar.
ΘΚΠ
society > occupation and work > industry > manufacturing processes > pottery-making or ceramics > make pottery [verb (transitive)] > other processes
whave1611
throw1698
slap1786
deliver1809
blungec1830
frit1832
saggar1839
sling1853
boss1860
porcelainize1863
kaolinize1874
soak1925
jigger1931
press-mould1971
1839 A. Ure Dict. Arts 1023 When..any piece, a soup plate for example, is to be saggered.

Derivatives

ˈsaggaring n.
ΘΚΠ
society > occupation and work > industry > manufacturing processes > pottery-making or ceramics > [noun] > specific processes
fictilage1610
throwing1686
fritting1816
biscuiting1819
slapping1825
blunging1832
jigging1865
baking1868
bossinga1877
kaolinization1886
towing1892
jolleying1901
saggaring1901
mould-running1910
mullitization1939
double-dipping1940
Belgicization1942
prefiring1944
press-moulding1953
1901 W. P. Rix tr. E. Bourry Treat. Ceramic Industries xiii. 718 The great trouble of burning porcelain, looked at from all points, is saggering.
This entry has not yet been fully updated (first published 1909; most recently modified version published online March 2022).
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n.1752v.1839
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