Abstract: Methods of cleaning internal portions of additively manufactured components are provided, together with an apparatus for carrying out the cleaning. The methods use an impacting element which is contained within the internal portion and the component is vibrated to clean material from the component and leave one or more hollow portions. Various embodiments for retaining the impacting element are set out, which preferably use a grid which allows loosened powder to fall out of the component and, optionally, be recycled for use in further manufacturing processes. The methods are described in relation to components for gas turbine engines but have wider application in relation to any additively manufactured component in which it is desired to have a hollow internal portion.

Abstract: Methods of cleaning internal portions of additively manufactured components are provided, together with an apparatus for carrying out the cleaning. The methods use an impacting element which is contained within the internal portion and the component is vibrated to clean material from the component and leave one or more hollow portions. Various embodiments for retaining the impacting element are set out, which preferably use a grid which allows loosened powder to fall out of the component and, optionally, be recycled for use in further manufacturing processes. The methods are described in relation to components for gas turbine engines but have wider application in relation to any additively manufactured component in which it is desired to have a hollow internal portion.

Abstract: A hinge-lid pack of smoking articles such as cigarettes comprises: a box portion; a lid portion hinged to the box portion; and at least two longitudinally offset tiers of smoking articles mounted in the box portion. Each of the at least two tiers comprises a separately wrapped bundle of smoking articles. In one embodiment, the smoking articles in each of the at least two tiers are of substantially the same length and the upper ends and the lower ends of the separately wrapped bundles of smoking articles are longitudinally offset relative to one another. In another embodiment, the smoking articles in each of the at least two tiers are of different length and the upper ends of the separately wrapped bundles of smoking articles are longitudinally offset relative to one another.

Abstract: A home entertainment system and lighting cabinet simulates the sound and lighting effects of a discotheque. Light rays from a bank of differently colored lights are directed both to a mirrored rotating globe and to a rear reflecting panel behind the globe. A plurality of reflecting part-spherical domes and pyramidal-like projections are arranged on the rear panel and are configurated to reflect at least some of the impinging light rays back to the globe for subsequent reflection therefrom. The light rays reflected off the globe, domes and projections are projected about the room in which the system is located in a very dense pattern of reflected differently colored images. A stereo music system is mounted on the cabinet to combine a discotheque sound effect with the above-described lighting effect.