MACHINERY FOR TREATING TEXTILES IN SHEET FORM WITH A FLUID MEDIUM

The machinery comprises a rotatable perforated drum with an impeller inside the drum to cause a fluid to pass through the perforations and through a textile web on the drum to treat the web, such as cleaning it. In order to deal efficiently with webs of varying widths in a simple manner an adjustable shroud is provided in the form of a sleeve which can be extended and withdrawn axially of the drum to blank off or open up perforations in the drum. Preferably the sleeve is of telescopic form and barrier means are provided to control the flow of treatment fluid to resist any tendency for the web to lift, at its edges, from the drum and to flatten edge curl on textile webs arriving at the drum.