… This heading includes, for example, tunnel washers through which hanks of yarn are drawn, successively sprayed … the cloth. The fabric, previously impregnated by passing through a bath of bleaching liquor, enters the longer arm … for example, washers for circulating the liquid through the goods being cleaned, centrifugal extractors, …
… regulated by valves. “Single-acting” pumps utilise the thrust or suction of one end of the piston only; … in line or in a star shape. This category includes : (1) Diaphragm pumps . These incorporate a vibrating membrane of metal, leather, etc. (actuated either directly or through a fluid transmission) by which the liquid is raised. …
… of these is known as a “stand”, and consists of two, three or four rolls mounted horizontally one above the other in heavy metal housings, the metal being passed through an adjustable gap between the rollers. In three high and double two high stands, the metal, after …
… essentially of a light‑tight chamber, a lens, a shutter, a diaphragm, a holder for a photographic plate or film, and a … bellows; ball and socket mounting heads; shutters and diaphragms; shutter (including delayed action) releases; …
… to give radial support (radial bearings) or to resist thrust (thrust bearings). Certain bearings may be designed … not exceeding 5 mm and having a length which is at least three times the diameter. The ends of the rollers may be … are exposed, bearings are normally of steel (especially chromium steel), though some for particular uses are of …
… an aperture (e.g., gate, disc, ball, plug, needle or diaphragm). They may be operated by hand (by means of a key, … stopper which is generally controlled by a pressure device (diaphragm, bellows, capsule, etc.) damped by an adjustable …
… 180 cm but not exceeding 240 cm 4010.35 - - Endless synchronous belts, of an outside circumference exceeding … 60 cm but not exceeding 150 cm 4010.36 - - Endless synchronous belts, of an outside circumference exceeding … have no impact on the classification of V-belts or belting. Synchronous belts (see illustration) are designed to …
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