Abstract: Systems and methods of the various embodiments may provide a battery including a rolling diaphragm configured to move to accommodate an internal volume change of one or more components of the battery. Systems and methods of the various embodiments may provide a battery housing including a rolling diaphragm seal disposed between an interior volume of the battery and an electrode assembly within the battery. Various embodiments may provide an air electrode assembly including an air electrode supported on a buoyant platform such that the air electrode is above a surface of a volume of electrolyte when the buoyant platform is floating in the electrolyte.

Abstract: Tensile strength and ductility of copper-base alloys having poor intermediate temperature range ductility are substantially increased by relatively small alloying additions of hafnium or zirconium.

Abstract: A unidirectionally solidified anisotropic metallic composite body exhibiting improved high temperature ductility and strength properties comprising a nickel-base refractory-metal-monocarbide-reinforced eutectic superalloy containing boron.

Abstract: In a petrol pump for the forecourt of a gasolene station, a support for the delivery hose and nozzle comprises a flexible and resilient arm incorporating at least one flexible petrol conduit extending longitudinally of the arm, means at one end of the arm for connecting the arm in an upright unflexed condition to a casing of the petrol pump and coupling means at the other end of the arm for connecting at least one delivery hose and establishing communication between the conduit and the hose.