D01G13/00

Method of chemical treatment for loose fibers

A continuous process for the wet chemical treatment of fibers employs one or more squeezing/opening operations post chemical treatment to provide even chemical distribution on the fibers being processed. For squeezing the fiber batt impregnated with chemicals, one or more sets of squeeze rollers which include at least one roller with grooves are used to remove the liquid chemicals from the fiber batt efficiently. The squeezing operation can be coupled with the ability to collect and recycle chemicals for reuse in the chemical treatment process. The continuous process for the chemical treatment of fibers may employ the use of a blending box for the dried chemical-treated fibers in order to compensate for any uneven chemical distribution on fibers occurred during the chemical treatment process.

Method of chemical treatment for loose fibers

A continuous process for the wet chemical treatment of fibers employs one or more squeezing/opening operations post chemical treatment to provide even chemical distribution on the fibers being processed. For squeezing the fiber batt impregnated with chemicals, one or more sets of squeeze rollers which include at least one roller with grooves are used to remove the liquid chemicals from the fiber batt efficiently. The squeezing operation can be coupled with the ability to collect and recycle chemicals for reuse in the chemical treatment process. The continuous process for the chemical treatment of fibers may employ the use of a blending box for the dried chemical-treated fibers in order to compensate for any uneven chemical distribution on fibers occurred during the chemical treatment process.

SYSTEMS AND METHODS FOR CONTROLLING CARBON TOW WIDTH
20190194833 · 2019-06-27 · ·

A technique allowing a portion of carbon fiber tow to maintain a rectangular cross sectional shape or to maintain an imparted desired shape, such as a wider shape with a rectangular cross-sectional profile, through a textile loom is disclosed herein.

SYSTEMS AND METHODS FOR CONTROLLING CARBON TOW WIDTH
20190194833 · 2019-06-27 · ·

A technique allowing a portion of carbon fiber tow to maintain a rectangular cross sectional shape or to maintain an imparted desired shape, such as a wider shape with a rectangular cross-sectional profile, through a textile loom is disclosed herein.

Kapok fibre spinning process
12006596 · 2024-06-11 · ·

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.

Kapok fibre spinning process
12006596 · 2024-06-11 · ·

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.

Systems and methods for controlling carbon tow width
10260174 · 2019-04-16 · ·

A technique allowing a portion of carbon fiber tow to maintain a rectangular cross sectional shape or to maintain an imparted desired shape, such as a wider shape with a rectangular cross-sectional profile, through a textile loom is disclosed herein.

Systems and methods for controlling carbon tow width
10260174 · 2019-04-16 · ·

A technique allowing a portion of carbon fiber tow to maintain a rectangular cross sectional shape or to maintain an imparted desired shape, such as a wider shape with a rectangular cross-sectional profile, through a textile loom is disclosed herein.

METHOD OF PRODUCING HEMP-BLENDED SINGLE SPUN YARN
20190106812 · 2019-04-11 ·

A method of producing a hemp-blended single spun yarn may include: a fiber blending step of passing hemp fiber, together with latent and potential crimped yarn fiber, through an opener in order to increase the cohesion of the hemp fiber by the three-dimensional chain structure, thereby producing a blended fiber including 10% to 60% latent and potential crimped yarn fiber; a sliver production step of carding the blended fiber through a carding machine, and drafting the carded fiber through a drafting machine, thereby producing a sliver; and a spinning step of supplying the sliver as a roving yarn through a plurality of rollers to a twisting unit, and supplying a combined filament yarn, produced by combined twisting and having a structure in which a low-stretchability filament yarn surrounds a high-stretchability filament yarn, as a core yarn to the twisting unit without being passed through the plurality of rollers.

METHOD OF PRODUCING HEMP-BLENDED SINGLE SPUN YARN
20190106812 · 2019-04-11 ·

A method of producing a hemp-blended single spun yarn may include: a fiber blending step of passing hemp fiber, together with latent and potential crimped yarn fiber, through an opener in order to increase the cohesion of the hemp fiber by the three-dimensional chain structure, thereby producing a blended fiber including 10% to 60% latent and potential crimped yarn fiber; a sliver production step of carding the blended fiber through a carding machine, and drafting the carded fiber through a drafting machine, thereby producing a sliver; and a spinning step of supplying the sliver as a roving yarn through a plurality of rollers to a twisting unit, and supplying a combined filament yarn, produced by combined twisting and having a structure in which a low-stretchability filament yarn surrounds a high-stretchability filament yarn, as a core yarn to the twisting unit without being passed through the plurality of rollers.