Apparatus and method for testing air permeability of a fabric
US6543275B2 · kind B2 · utility
4Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 2, 2001 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Jul 22, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/0826
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus and a method for testing permeability of a clean room garment material are described. The apparatus is constructed by a flow regulator, a flow meter, a sample holder and a quantitative tube that is equipped with a fluid reservoir for generating a bubble through the tube. The components of the apparatus can be readily obtained and the apparatus can be constructed at low cost. The method for testing air permeability can be conducted easily by utilizing the present invention novel apparatus in a factory environment without elaborate and expensive equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.