Friction material designed for fitting to a device employing friction in a liquid medium, and a method of producing such a friction material and the device to which it is fitted

The present invention relates to a friction material designed for fitting to a device using friction in a liquid medium, and the method of producing such a friction material and the device to which it is fitted. A friction material for a liquid medium, according to the invention, consists of a fibre mat impregnated with a thermosetting resin, the fibres having a length of at least 12 mm. The method of producing such a material includes the following steps:a) a mixture of fibres of the same nature or of different natures is produced in a mixer;b) the mixture is carded to form a card web;c) the card web is lapped;d) the lap thus formed is needled;e) the needled mat is impregnated with a thermosetting resin.