• Patent Title: Kapok fibre spinning process
  • Application No.: US17296799
    Application Date: 2019-11-27
  • Publication No.: US12006596B2
    Publication Date: 2024-06-11
  • Inventor: Jeroen J. Muijsers
  • Applicant: FLOCUS B.V.
  • Applicant Address: NL Enschede
  • Assignee: FLOCUS B.V.
  • Current Assignee: FLOCUS B.V.
  • Current Assignee Address: NL Enschede
  • Agency: NIXON PEABODY LLP
  • Agent Ronald I. Eisenstein; Nicole D. Kling
  • Priority: NL 22081 2018.11.27
  • International Application: PCT/NL2019/050785 2019.11.27
  • International Announcement: WO2020/111940A 2020.06.04
  • Date entered country: 2021-05-25
  • Main IPC: D01G13/00
  • IPC: D01G13/00 D01G5/00 D04H1/425
Kapok fibre spinning process
Abstract:
The present invention relates to a process for obtaining a spinnable and/or needlable Kapok fibre fraction, and/or Kapok fibre blend with one or more other fibres in a range of from 100% to 10% by weight, comprising the steps of: •a. sorting the longest and cleanest fibres for spinning, by subjecting the fibres to an air stream directed towards a deposition area with a sorting wall, whereby a longer fibre fraction is collected behind the sorting wall, to obtain a short staple Kapok fibre base having an average length of from 10 to 20 mm; •b. adjusting the average moisture content of the kapok fibre base to an average measured moisture content in the range of from 8% to 12% moisture, to obtain moisture- and length-adjusted Kapok fibres, and, optionally •c. blending the moisture-and length-adjusted Kapok fibres with the second fibre base, to obtain a Kapok-comprising fibre blend.
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