Dust-proof fabric
AssigneeTeijin Limited
InventorsTadashi Hirakawa, Mamoru Tsumoto
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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.
Claims12
A dust-proof fabric comprising a plurality of filament yarns having a denier of from 20 to 400 and consisting of a plurality of individual filaments having a denier of 3.5 or less, which fabric has a number of pores formed therein and exhibits an air permeability of from 0.3 to 10 ml/cm.sup.2 /sec and, in which fabric, the integrated volume proportion of the pores having a size of 43 .mu.m or more corresponds to 40% or less of the entire integrated volume of all the pores.
Dependencies are inferred from the claim text.