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1. (WO2018051055) A FIXING
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CLAIMS

1 . A fixing (1 ) for receiving a bolt or screw, the fixing (1 ) comprising a tubular member (2) having a proximal end (2a) into which a bolt or screw (4) is received in use,

a distal end opposite the proximal end (2a), and

a plurality of resiliently flexible elements (9) protruding inwardly from the internal side of the tubular member (2) and directed towards the distal end.

2. A fixing (1 ) according to claim 1 , wherein the flexible elements (9) form a receiving thread which is cooperable with the thread on a bolt or screw (4) in use inserted into the proximal end (2a) of the tubular member (2).

3. A fixing (1 ) according to claim 1 or claim 2, wherein the flexible elements (9) are orientated on the inside of the tubular member (2) to correspond with the thread pitch on the bolt or screw (4) inserted into the tubular member (2)

4. A fixing (1 ) according to any preceding claim, wherein the plurality of flexible elements (9) are grouped into two or more banks of flexible elements (9) running longitudinally down the internal sides of the tubular member (2), the banks being separated from one another by gaps.

5. A fixing (1 ) according to any preceding claim, wherein the tubular member (2) has the external shape of a nut, with planar sides suitable for being received by a spanner or the like.

6. A fixing (1 ) according to any preceding claim, wherein the tubular member (2) is surrounded by a retaining portion to retain the fixing (1 ) in place.

7. A fixing (1 ) according to claim 6, wherein the retaining portion comprises a bolt or screw (4) mounted externally of the tubular member (2).

8. A fixing (1 ) according to claim 6, wherein the retaining portion comprises one or more splines (12) mounted externally to the tubular member (2) and running longitudinally parallel with the central axis.

9. A fixing (1 ) according to claim 6 or claim 8, wherein the retaining portion comprises one or more clamping elements.

10. A fixing (1 ) according to any preceding claim, wherein the fixing (1 ) is made of any of metal, plastic or composite materials.