D04H1/43918

Vacuum heat insulator, heat retaining tank including same, heat retaining structure, and heat pump water heater

A vacuum heat insulator includes a core member that is a stack of fibrous sheets and a cover member enclosing the core member. Each of the fibrous sheets includes curved chopped fibers and curved fibers.

ELASTIC NONWOVEN SHEET
20250122654 · 2025-04-17 · ·

The invention relates to nonwoven sheets that have an ability to elastically stretch in machine direction to a significant extent, while showing low elongation in cross machine direction. The invention also relates to a method for making such sheets.

TREATED NONWOVEN HAVING AN AFFINITY FOR AN ACTIVE INGREDIENT

A nonwoven having a high affinity for an active ingredient is proved, the nonwoven having at least one high surface area fiber in addition to the active ingredient.

Treated nonwoven having an affinity for an active ingredient

A nonwoven having a high affinity for an active ingredient is proved, the nonwoven having at least one high surface area fiber in addition to the active ingredient.

WOUND DRESSING
20250161118 · 2025-05-22 ·

A wound dressing including a needle-punched nonwoven. The needle-punched nonwoven of the wound dressing is 30% to 80% by weight, based on a total weight of the needle-punched nonwoven, superabsorbent fibers. The needle-punched nonwoven of the wound dressing is 70% to 20% by weight, based on the total weight of the needle-punched nonwoven, self-crimped fibers.

FIBER SHEET

Provided is a fiber sheet having elasticity. The fiber sheet (10) includes at least: a first fiber layer (1) containing crimped fibers each having a coil shape, the first fiber layer (1) having repetitive elasticity in a longitudinal direction of the fiber sheet; and a second fiber layer (2) containing elastomeric fibers. The second fiber layer (2) is integrated with the first fiber layer (1) by fusion or adhesion in a specific thickness ratio therebetween.

Cellulose acetate-containing fibrous material for a nonwoven product, nonwoven product comprising such a fibrous material, and method for producing such a fibrous material

The invention relates to a cellulose-containing fibrous material for a nonwoven product, in particular in the form of a wiping cloth, cleaning cloth, sanitary product, medicinal product, or domestic cloth, wherein the fibrous material is designed as a tubular composite structure at least in part or in some regions, said structure having tubular cellulose acetate filaments. The invention additionally relates to a nonwoven product which has the fibrous material according to the invention and to a method for producing such a cellulose acetate-containing fibrous material.

POLYETHYLENE COMPOSITIONS AND RELATED BICOMPONENT FIBERS, NONWOVEN FABRICS, AND METHODS

A polyethylene copolymer may comprise about 90 wt % to about 99.99 wt % ethylene and about 0.01 wt % to about 10 wt % an alpha-olefin that is not ethylene, wherein the polyethylene has: a density of about 0.930 g/cm.sup.3 to about 0.955 g/cm.sup.3, a melt flow index (2.16 kg at 190 C.) of about 10 g/10 min to about 50 g/10 min, a melt flow index ratio (MIR) of about 15 to about 25, a weight average molecular weight to number average molecular weight ratio (Mw/Mn) of about 2 to about 4, a wt % of TREF elution at 90 C. and less of about 10 wt % to about 80 wt %, and a wt % of TREF elution at 95 C. and greater of about 3 wt % or more. Said polyethylene may be especially well-suited for making bicomponent fibers, which may be useful producing in nonwoven fabrics.

Artificial down filling material

An artificial down filling material comprising artificial down clusters (1), wherein each of the down clusters (1) comprise a number of filaments (10) arranged side by side in a bundle, the filaments (10) being bonded, preferably melt bonded, together at a bonding location 20, wherein the filaments (10) are self-crimped, multi-component filaments (10), the cross-section of the multi-component filament having at least three corners (211).

Durable pilling resistant nonwoven insulation
12522961 · 2026-01-13 · ·

Provided is batting that includes a bonded nonwoven web made from a fiber mixture containing: (a) 20 to 55 wt % of siliconized fibers having a denier of 1.5 to 10.0 and a length of 51 mm to 84 mm; (b) 10 to 45 wt % of hollow conjugate fibers having a spiral crimp, and having a denier of 1.5 to 10.0 and a length of 51 to 84 mm; (c) 10 to 45 wt % of a first population of binder fibers which are elastomeric co-polyester binder fibers having a denier of 1.5 to 8.0, a length of 51 mm to 84 mm, and a bonding temperature of 110 C. to 180 C.; and (d) 1 to 20 wt % of a second population of binder fibers, which have a denier of 1.5 to 6.0, a length of 51 mm to 84 mm, and a bonding temperature of 80 C. to 135 C.