Gas - Insulated Power Transformers

A shipping unit formed of foldable sheet material is provided for accommodating a pair of chairs arranged in inverted stacked relation. The unit includes an upright container having a bottom and side panels forming a chamber in which the pair of chairs is disposed. A first inner packing member is positioned within the chamber adjacent a lower corner thereof formed along one peripheral side of the bottom. The first inner packing member has a first means for snugly accommodating a segment of the back of the inverted one of the pair of chairs and second means for snugly accommodating the ends of the front legs of the upright one of the pair of chairs. A second inner packing member is positioned within the chamber adjacent an upper corner thereof wherein the inner packing members are diagonally disposed relative to one another. The second inner packing member is provided with a third means for snugly accommodating a segment of the back of the upright one of the pair of chairs, and a fourth means for snugly accommodating the ends of the front legs of the inverted one of the pair of chairs. The shipping unit is provided with means for closing the top of the chamber subsequent to the second inner packing member being positioned within the chamber.