| 摘要 |
<p>A cartridge for taps comprises a number of parts which are assembled in the cartridge to function as a guide 21, a support element 20 for a movable small plate 19 of hard material, forming a part of the abovementioned guide parts, at least one small plate 18 of hard material mounted and fixed in the cartridge, and at least one movable small plate 19 mounted in the aforementioned support element 20 and adapted to be movable in relation to the fixed small plate 18 in order to bring about the regulation of fluid flow and the proportion of mixing. At least one of the surfaces of the parts of plastic material, adapted to slide against the surface of other pieces of plastic material, is provided with a metal layer 30, 33, preferably applied by chemical or electrochemical means. It is preferred that the metal coating 30, 33 is applied on an intermediate part 21 having surfaces adapted to slide in contact with the various parts 20, 22 of plastic material, and in particular on a guiding ring 21. <IMAGE></p> |
