from The Century Dictionary.
- noun A centrifugal machine, specifically one used by dyers, bleachers, and scourers to extract water from textile material.
- noun In tanning, a wringer for removing water from skins.
from the GNU version of the Collaborative International Dictionary of English.
- noun An apparatus for drying anything, as yarn, cloth, sugar, etc., by centrifugal force; a centrifugal.
Sorry, no etymologies found.
This is done by placing the contents of two or three or more pots into a centrifugal hydro-extractor (Fig. 14), making 1,000 to 1,500 revolutions per minute.
The hydro-extractor consists of a machine with both an inner cylinder and an outer one, both revolving in concert and driving outwardly the liquid to the chamber, from which it runs away by a discharge pipe.
Place the yarn in a hydro-extractor for five to seven minutes.
It is a modification of the "hydro-extractor," and is the invention of Mr. Finzel, of Bristol.
The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. P. L. Simmonds
For drying the warps a hydro-extractor is first used to get the surplus liquor from the goods.
The washed grains are either drained or dried by a hydro-extractor in order to free them from the greater part of the water, the presence of this being an obstacle to their perfect agglomeration.
The apparatus consists of a hydro-extractor or centrifugal machine of special construction, fitted with a bell-shaped cover, which can be lifted into and out of position by means of a weighted lever.
Upon the spindle of this machine is suspended, as in ordinary forms of the hydro-extractor, a perforated basket, and in this basket is placed the wool to be treated.
To remove the last trace of carbon disulphide from the wool in the hydro-extractor, cold water is admitted, and when the wool is soaked, the machine again revolves.
The scraps are then freed from water by means of a hydro-extractor, or a press, and finally saturated with chlorine in a gas chamber for 24 hours or less, according to the requirements of the case.