Dust-proof fabric
US4582747A · kind A · utility
13Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 1985 |
| Grant date | Apr 15, 1986 |
| Priority date | — |
| Expiry date | Feb 14, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/438
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A dust-proof fabric having an excellent dust-collecting efficiency and dust-preventing property including a plurality of filament yarns having a thickness of 20 to 400 denier and consisting of a plurality of individual filaments having a denier of 3.5 or less. The fabric has a number of pores formed therein and exhibits an air permeability of 0.3 to 10 ml/cm.sup.2 /sec. In the fabric, the proportion of the integrated volume of pores having a size of 43 .mu.m or more to the entire integrated volume of all the pores in the fabric is 40% or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.