Method of producing a packing and a packing layer made thereby
US4128684A · kind A · utility
29Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1976 |
| Grant date | Dec 5, 1978 |
| Priority date | — |
| Expiry date | Nov 5, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24694
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The layers for the packing are each woven of thin multi-filament yarns and thicker plastic monofilament yarns with the thicker plastic yarns being heat treated into a deformed state to impart a corrugated shape to each layer. The monofilament yarns impart rigidity to the layers while the multi-filament yarns provide wetting characteristics. The layers may also be of knitted construction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.