Packing element for use in packed columns
US4256673A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | May 24, 1979 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | May 24, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/72
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The packing is U-shaped in cross-section and comprises a double-curved bight portion which is arcuate in longitudinal section and in cross-section. Two transversely spaced apart, corrugated side wall portions extend along and merge into said bight portion on one side thereof and are formed with corrugations which extend in their longitudinal direction to and merge into said bight portion and have a crest-to-trough height in excess of the wall thickness of said side wall portions. The bight portion is concave in cross-section on the side on which said side wall portions are disposed and is concave in longitudinal section on the opposite side.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.