Patent ID: 8807541
Filing Date: 2014-08-19
Classification: B01J,Y10S

Abstract:
1. A crown element for securing a packing in a mass transfer column comprising an elongate sheet having a thickness of from 0.05 to less than 0.2 mm and including a wall element, a roof element extending from said wall element with a first bending line between said wall element and said roof element and a bottom element extending from said wall element with a second bending line between said wall element and said bottom element, said roof element having a plurality of incisions to separate said roof element into a plurality of elastically deformable roof element segments, said bottom element having a plurality of grooves to separate said bottom element into a plurality of elastically deformable segments wherein the number of said incisions is smaller than the number of said grooves, and said wall element comprises a plurality of first surfaces of triangular shape, a plurality of second surfaces of trapezoidal shape disposed in alternating manner with said first surfaces longitudinally thereof and a plurality of bending lines each said line being disposed between a respective first surface and a respective second surface.