| 摘要 |
<p>1492448 Insulated tank J & P COATS Ltd 5 May 1976 [20 May 1975] 21424/75 Heading D1L An insulated tank for treating articles with hot or cold liquids, particularly impregnating cellulose thread with liq. NH 3 by the process of Specification 1136417, comprises a casing 1 containing an elongate chamber 2 disposed in the bottom thereof having tubular shafts 3 extending upwardly therefrom to and through the top 6 of the casing for receiving the articles and liq., the space within the casing being filled with thermal insulation 4 e.g. foamed polystyrene. The chamber 2 comprises a tube having an upper portion thereof between the ends removed and a flat plate 5 inserted, which plate has openings for the shafts. The chamber is accessible via closure plates 9 in the end thereof, one of the plates carrying an impeller 16. The upper ends of the shafts 3 pass through packing rings 7. The liq. NH 3 treatment of the threads is performed by lowering return pulleys into the shafts so that the threads execute a U-shaped path therethrough.</p> |
