Abstract: A secondary seal gasket is formed of a graphite material for higher temperature applications. The gasket is formed by multiple wraps of a graphite ribbon and then is shaped in a mold to provide a U-shaped cross-sectional configuration having a self-energizing spring disposed therein. The gasket is formed from an L-shaped ribbon wrap having additional ribbon overwraps thereon to define a gasket ring which is then molded in a die press to form the U-shape. The L-shaped ribbon wrap thereby extends axially and then radially outwardly to define an end wall of the gasket to impede migration of fluid between the axial ribbon wraps.

Abstract: A supported package for displaying small items such as coins is formed from a tubular sleeve, for example of MYLAR (trade mark) film or the like and which is flattened and removably attached on a planar support surface which comprises a series of transversely spaced transversely elongated members, which may, for exmaple, be formed by slits in the support surface, each having associated with it an opening formed by a longitudinally extending pair of opposed edges through which at least a portion of the flattened sleeve is passed. The package can be readily formed or adjusted to accommodate snugly items such as coins of differing sizes, and the packages can be readily mounted, moved and rearranged on the display surface.