(57) A fastening arrangement comprises a support (10,68) for a substrate (224,236) and
resilient coupling means (204,212) connectable, in use, between the support and the
substrate (224,236) to fasten the substrate (224,236) under tension to the support,
in use. The coupling means each comprise a resilient tension spring (210,220) attached
at one end to a block (206,216), with its other end adapted to engage a tension bar
(240) through a hole (218,242) in the substrate, the blocks being slidable in a groove
in each side of the support.
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