Simplified cube. (Machine-translation by Google Translate, not legally binding)

摘要

Simplified cuvette of the type that is constituted by a waterproof sheet, characterized essentially by the fact that each of its corners is formed by a fold like a bellows bent towards the outer face and joined on one of its sides that converge on the edge, the armed position of the cuvette being fixed by a waterproof and thermoadhesive coating of which the sheet constituting the cuvette is provided. (Machine-translation by Google Translate, not legally binding)