Abstract: A plastic bumper bar for a motor vehicle has an outer skin, integral mounting brackets by which the bumper can be mounted on a vehicle and a strap stretched between two mounting brackets, the interior of the skin being filled with a plastic foam which is molded in situ and encapsulates the strap completely, the presence of the strap helping to absorb energy.

Abstract: A bumper bar for a motor vehicle comprises a main body portion 1 of moulded plastics material extending transversely across the motor vehicle and having along at least part of its length two opposed walls 4, 5 connected into a box girder structure, and end portions 2 moulded integrally with the main body portion and projecting from each end thereof to extend along the sides of the vehicle; a first pair of transversely spaced connectors 10 for securing the main body portion 1 to the vehicle; a second pair of connectors 35 for securing respective end portions 2 to the vehicle and each comprising a bracket 36 projecting from the end portion to space the end portion transversely from the vehicle and a fastener 44 for securing the bracket to the vehicle; and a third pair of connectors 56 each for securing a respective end portion 2 to the vehicle and comprising a bracket 61 mounted at a desired level on the vehicle, and a locating part 57 fixed to the end portion 2 and forming a snap engagement with the bracket 61

Abstract: New selenium-75 labelled derivatives of cyclic nucleotides are described, which are of value in the saturation analysis of cyclic nucleotides, particularly adenosine-3', 5'-cyclic monophosphate (cyclic AMP) in body fluids.