D04H3/147

High Strength Low Weight Non-Woven Fabric And Containers Incorporating Same For Use In Preparing Beverages
20230111231 · 2023-04-13 ·

A non-woven fabric is provided having a high strength and a low basis weight. The fabric comprises a plurality of multi-component fibers that are bonded together into a web having a basis weight of 20 gsm or less, an air porosity of at least 1600 L/M2/s and a bonding area percentage in the range of 15-50%, wherein the multi-component fibers include a sheath and at least one core that are each formed of the same substantially pure polymer material. The invention further provides a method of making the non-woven fabric as well as a filtered container or beverage capsule formed with the non-woven fabric.

High Strength Low Weight Non-Woven Fabric And Containers Incorporating Same For Use In Preparing Beverages
20230111231 · 2023-04-13 ·

A non-woven fabric is provided having a high strength and a low basis weight. The fabric comprises a plurality of multi-component fibers that are bonded together into a web having a basis weight of 20 gsm or less, an air porosity of at least 1600 L/M2/s and a bonding area percentage in the range of 15-50%, wherein the multi-component fibers include a sheath and at least one core that are each formed of the same substantially pure polymer material. The invention further provides a method of making the non-woven fabric as well as a filtered container or beverage capsule formed with the non-woven fabric.

Carrier material for vinyl floor covering

A carrier material for vinyl floor covering, wherein the carrier material includes a nonwoven layer containing at least 50 wt. % of thermoplastic fibers and a scrim for eliminating wrinkles in the vinyl floor covering. The scrim includes weft yarns having a linear density of 28 tex or less. The carrier material prevents the formation of surface irregularities and printing errors in the vinyl floor covering.

Carrier material for vinyl floor covering

A carrier material for vinyl floor covering, wherein the carrier material includes a nonwoven layer containing at least 50 wt. % of thermoplastic fibers and a scrim for eliminating wrinkles in the vinyl floor covering. The scrim includes weft yarns having a linear density of 28 tex or less. The carrier material prevents the formation of surface irregularities and printing errors in the vinyl floor covering.

BREATHABLE CLEANROOM BARRIER FABRIC
20230109603 · 2023-04-06 ·

A breathable barrier fabric that is heat sealable and minimizes lint generation without impacting the fabric's overall breathability, comfort and barrier protection, and that can be used to manufacture Helmke Category II or better cleanroom garments suitable for use in ISO Class 3 cleanroom environments and other hygienic applications. The breathable barrier fabric has a composite laminate structure including an inner monolithic film layer made from a breathable polymer bonded to first and second outer spunbond layers comprising thermoplastic bicomponent fibers each having an outer glazed surface where the thermoplastic bicomponent fibers are at least partially flattened.

METHOD AND APPARATUS FOR MAKING NONWOVEN FABRIC OF CRIMPED SYNTHETIC FIBERS

A method for producing a nonwoven fabric made of crimped synthetic fibers, wherein the synthetic fibers are spun and are deposited on a conveyor as a nonwoven web. The deposited nonwoven web is pre-bonded by means of at least one first hot-air bonding device, wherein a main suction air is sucked from below through the conveyor in the area of fiber deposition. A first suction air is sucked from below through the conveyor in the region of the first hot-air bonding device. The air speed of the main suction air is greater than the air speed of the first suction air.

METHOD AND APPARATUS FOR MAKING NONWOVEN FABRIC OF CRIMPED SYNTHETIC FIBERS

A method for producing a nonwoven fabric made of crimped synthetic fibers, wherein the synthetic fibers are spun and are deposited on a conveyor as a nonwoven web. The deposited nonwoven web is pre-bonded by means of at least one first hot-air bonding device, wherein a main suction air is sucked from below through the conveyor in the area of fiber deposition. A first suction air is sucked from below through the conveyor in the region of the first hot-air bonding device. The air speed of the main suction air is greater than the air speed of the first suction air.

ELASTIC NONWOVEN SHEET
20230141900 · 2023-05-11 · ·

The invention relates to elastically stretchable nonwoven sheets comprising an elastically stretchable nonwoven layer and a stretchable facing layer, and an in-line method for making such sheets.

Methods for producing through-fluid bonded nonwoven webs

A method of creating a soft and lofty continuous fiber nonwoven web is provided. The method includes providing first and second, different molten polymers to a spinneret defining a plurality of orifices and flowing a fluid intermediate the spinneret and a moving porous member. The method includes using the fluid to draw the first and second molten polymers, in a direction toward the porous member, through at least some of the plurality of orifices to form a plurality of individual continuous fiber strands. The method includes depositing the continuous fiber strands onto the porous member at a first location to produce an intermediate continuous fiber nonwoven web, and intermittently varying, in at least two different zones, a vacuum force applied to the moving porous member and to the intermediate web downstream of the first location and without the addition of more continuous fibers and without any heat applied.

Methods for producing through-fluid bonded nonwoven webs

A method of creating a soft and lofty continuous fiber nonwoven web is provided. The method includes providing first and second, different molten polymers to a spinneret defining a plurality of orifices and flowing a fluid intermediate the spinneret and a moving porous member. The method includes using the fluid to draw the first and second molten polymers, in a direction toward the porous member, through at least some of the plurality of orifices to form a plurality of individual continuous fiber strands. The method includes depositing the continuous fiber strands onto the porous member at a first location to produce an intermediate continuous fiber nonwoven web, and intermittently varying, in at least two different zones, a vacuum force applied to the moving porous member and to the intermediate web downstream of the first location and without the addition of more continuous fibers and without any heat applied.