Hollow fiber filter
US5472601A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 13, 1994 |
| Grant date | Dec 5, 1995 |
| Priority date | — |
| Expiry date | Oct 13, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01D63/0233
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A hollow fiber type filter having a simple structure and also having an excellent heat resistance which can withstand a rapid temperature change due to high temperature generated in, for example, a steam sterilization is disclosed. The hollow fiber type filter comprises a case and a plurality of hollow fiber type filter membranes which are bundled and fixed with a potting material in the case, wherein a stop ring designed such that a thickness thereof increases inwardly is provided on an inner surface of the case into which the potting material is poured, and air release portions which penetrate the stop ring in the direction of the thickness of the stop ring is formed at an appropriate portion of the stop ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.