Perfected self-positive sabana (Machine-translation by Google Translate, not legally binding)

摘要

Improved self-positioning sheet, of the type comprising a textile laminar body inscribed in a rectangular parallelepiped, with one of its bases not materialized and provided with an inner wing that is continuation of the edge of the side walls; characterized basically because each of the corners of the fitted sheet is affected by two symmetrical planes that are secant at the apex of the upper plane of the sheet while on the lower plane they are tangent to the vertices of the lower plane thereof, said planes being determined by two cuts in obtuse angle provided in the vertices of the upper plane and two blades prolongation of the longitudinal side skirts of the sheet that are complemented with recesses provided in the adjacent skirts, having been provided in each of the longitudinal skirts of the sheet, coincident with the projection in development of the vertex of the cuts at an obtuse angle provided in the upper plane of the sheet, two cuts, perpendicular to the edge that are of equal depth to the wing provided as a continuation of the edge of the side skirts of the sheet. (Machine-translation by Google Translate, not legally binding)