Nonwoven Fabric For Pleated Filters and a Production Process Therefore
Patent #: 6,485,811
Inventor(s): Hiroyoshi Horiguchi, Makoto Nishimura and Kaori Iwasak
Company: Toray Industries
A pleated nonwoven filter fabric that can be applied in pleated filters has been patented. The fabric comprises a plurality of sheath-core conjugate filaments in which the filament core component is made of a polymer that is higher in melting point than the sheath component. The fabric’s surfaces contain compressively bonded and dented portions at dotted locations.
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