A washing and/or drying machine, comprising: a housing having an access opening; a rotating drum; a tub having a tub opening and enclosing the rotating drum; a sleeve disposed between the access opening of the housing and the tub opening of the tub; at least one clamping framework surrounding at least one end of the sleeve to fasten said sleeve to the housing and/or to the tub; said at least one clamping framework comprising a first U-shaped frame and a second U-shaped frame and a first connecting device and a second connecting device, each of the first and second connecting device being configured to releasably connect the first frame to the second frame, each of the first and the second connecting device comprising a first part provided with a first toothed profile engaging a second part provided with a second toothed profile, wherein one end of the first U shaped frame comprises the first part of the first connecting device, the other end of the first U shaped frame comprises the second part of the second connecting device; wherein one end of the second U shaped frame comprises a first part of the second connecting device, the other end of the second U shaped frame comprises the second part of the first connecting device; wherein each first part comprises an elongated element provided with the first toothed profile and delimiting, together with the respective end of the first frame or of the second frame, a slot; wherein each second part presents a seat placed at the respective end of the second frame or of the first frame and configured to accommodate the elongated element; wherein the teeth of said first and second toothed profiles (21, 29) project substantially perpendicular to a surface on which the clamping framework lies. a housing having an access opening; a rotating drum; a tub having a tub opening and enclosing the rotating drum; a sleeve disposed between the access opening of the housing and the tub opening of the tub; at least one clamping framework surrounding at least one end of the sleeve to fasten said sleeve to the housing and/or to the tub; said at least one clamping framework comprising a first U-shaped frame and a second U-shaped frame and a first connecting device and a second connecting device, each of the first and second connecting device being configured to releasably connect the first frame to the second frame, each of the first and the second connecting device comprising a first part provided with a first toothed profile engaging a second part provided with a second toothed profile, wherein one end of the first U shaped frame comprises the first part of the first connecting device, the other end of the first U shaped frame comprises the second part of the second connecting device; wherein one end of the second U shaped frame comprises a first part of the second connecting device, the other end of the second U shaped frame comprises the second part of the first connecting device; wherein each first part comprises an elongated element provided with the first toothed profile and delimiting, together with the respective end of the first frame or of the second frame, a slot; wherein each second part presents a seat placed at the respective end of the second frame or of the first frame and configured to accommodate the elongated element; wherein the teeth of said first and second toothed profiles (21, 29) project substantially perpendicular to a surface on which the clamping framework lies.