# US 12,180,620 B2 · Thin high cut seamless glove

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- Number: US 12,180,620 B2
- Document ID: US12180620B2
- Status: Granted
- Kind: B2
- Application number: 17/629,450
- Filed: 2020-07-28
- Published: 2022-08-04
- Granted: 2024-12-31
- Earliest claimed: 2019-07-30
- Assignees: Ansell Limited
- Applicants: Ansell Limited
- Inventors: Mathotarallage Amani Rasika Mathota; Koshali Gayathri Fernando; Andarage Naveen Pradeep Kumara; Withanage Priyantha Kumara Withanage; Rathnaweera Patabendige Santhushta Rathnaweera
- Web page: https://patentgrep.com/patent/US12180620B2

## CPC

- A41D 19/0065: {with a textile layer underneath}
- D02G 3/38: Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, {e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn; (D02G3/32 takes precedence)}; (covering endless core threads with fibres by using open-end spinning techniques D01H4/00)
- D04B 1/28: gloves
- D06N 3/0009: {using knitted fabrics}
- D06N 3/0015: {using fibres of specified chemical or physical nature, e.g. natural silk}
- D06N 3/04: with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N 3/042: {Acrylic polymers (D06N3/045 takes precedence)}
- D06N 3/14: with polyurethanes
- A41D 19/01505: {resistant to mechanical aggressions, e.g. cutting. piercing}
- A41D 19/04: Appliances for making gloves; Measuring devices for glove-making
- A41D 2500/10: Knitted
- D02G 3/442: {Cut or abrasion resistant yarns or threads}
- D06N 2209/103: Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
- D06N 2209/105: Resistant to abrasion, scratch
- D06N 2211/103: Gloves
- D10B 2101/20: Metallic fibres
- D10B 2321/0211: high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
- D10B 2331/02: polyamides (D10B2331/08 takes precedence)
- D10B 2501/041: Gloves
- A41D: OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- D02G: CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D04B: KNITTING
- D06N: WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D10B: INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES

## Abstract

A thin coated supported glove and method of making the glove includes a thin knitted liner, including a plurality of finger components, a thumb component, a backhand component, and a palm component, wherein the thin knitted liner comprises a covered yarn including a tungsten core having a diameter of about 25-35 micrometers, a polyamide wrapping yarn disposed upon the tungsten core, and a high performance polyethylene wrapping yarn disposed upon the polyamide wrapping yarn, wherein the covered yarn is (350) denier or less; a second yarn, wherein the second yarn is an intermingled yarn of (115) denier or less; and a thin polymeric coating adhered to the thin knitted liner.

## Claims

### Claim 1

A thin coated supported glove, comprising:
a thin knitted liner, comprising a plurality of finger components, a thumb component, a backhand component, and a palm component, wherein the thin knitted liner comprises (a) a covered yarn consisting of a tungsten core having a diameter of about 25-35 micrometers, a polyamide wrapping yarn disposed upon the tungsten core, and a high-performance polyethylene wrapping yarn disposed upon the polyamide wrapping yarn, wherein the covered yarn is about 350 denier or less, and (b) a second yarn, wherein the second yarn is an intermingled yarn of 115 denier or less, the liner having a thickness of about 0.4 mm to about 0.8 mm; and
a thin polymeric coating adhered to the thin knitted liner such that coated regions of the liner have a thickness from about 0.7 mm to about 1.2 mm.

### Claim 2 (depends on 1)

The thin coated supported glove of claim 1, wherein the tungsten core has a diameter of about 28 to about 32 micrometers.

### Claim 3 (depends on 1)

The thin coated supported glove of claim 1, wherein the thin supported glove has an EN388 abrasion level of 4 or greater.

### Claim 4 (depends on 1)

The thin coated supported glove of claim 1, wherein the glove has a thickness of about 0.7 mm to about 0.9 mm and a level A5 cut resistance, and wherein the thin knitted liner has a thickness of about 0.4 mm to about 0.6 mm.

### Claim 5 (depends on 1)

The thin coated supported glove of claim 1, wherein the glove has a thickness of approximately 1.1 mm to about 1.2 mm and a level A7 cut resistance, and wherein the thin knitted liner has a thickness of approximately 0.7 to about 0.8 mm.

### Claim 6 (depends on 1)

The thin coated supported glove of claim 1, wherein the glove has a thickness of approximately 0.9 mm to about 1.1 mm and a level A5 cut resistance, and wherein the thickness of the thin knitted liner is approximately 0.5 mm to about 0.7 mm.

### Claim 7 (depends on 1)

The thin coated supported glove of claim 1, wherein the covered yarn comprises tungsten in an amount of about 32 to about 42% weight of the total covered yarn, polyamide in an amount of about 42 to about 46% weight of the total covered yarn, and high-performance polyethylene in an amount of about 14 to about 18% weight of the total covered yarn.

### Claim 8 (depends on 1)

The thin coated supported glove of claim 1, wherein the intermingled yarn comprises a polyamide yarn of about 40 denier or less and a polyether-polyurea copolymer yarn of about 70 denier or less.

### Claim 9

A thin coated supported glove, comprising:
a 21 to 28-gauge knitted liner, comprising a plurality of finger components, a thumb component, a backhand component, and a palm component, wherein the knitted liner comprises (a) a covered yarn consisting of a tungsten core having a diameter of about 25-35 micrometers, a polyamide wrapping yarn disposed upon the tungsten core, and a high-performance polyethylene wrapping yarn disposed upon the polyamide wrapping yarn, wherein the covered yarn is 350 denier or less and (b) a second yarn of 115 denier or less comprising a nylon and spandex, optionally wherein the nylon is about 30 to about 50 denier, optionally wherein the spandex is 20 to 80 denier; and
a thin polymeric coating adhered to the knitted liner.

### Claim 10 (depends on 9)

The thin coated supported glove of claim 9, wherein the tungsten core has a diameter of about 28 to about 32 micrometers.

### Claim 11 (depends on 9)

The thin coated supported glove of claim 9, wherein the thin supported glove has an EN388 abrasion level of 4 or greater.

### Claim 12 (depends on 9)

The thin coated supported glove of claim 9, wherein the glove has a thickness of about 0.7 mm to about 0.9 mm and a level A5 cut resistance, and wherein the thin knitted liner has a thickness of about 0.4 mm to about 0.6 mm.

### Claim 13 (depends on 9)

The thin coated supported glove of claim 9, wherein the glove has a thickness of approximately 1.1 mm to about 1.2 mm and a level A7 cut resistance, and wherein the thin knitted liner has a thickness of approximately 0.7 to about 0.8 mm.

### Claim 14 (depends on 9)

The thin coated supported glove of claim 9, wherein the glove has a thickness of approximately 0.9 mm to about 1.1 mm and a level A5 cut resistance, and wherein the thickness of the thin knitted liner is approximately 0.5 mm to about 0.7 mm.

### Claim 15 (depends on 9)

The thin coated supported glove of claim 9, wherein the covered yarn comprises tungsten in an amount of about 32 to about 42% weight of the total covered yarn, polyamide in an amount of about 42 to about 46% weight of the total covered yarn, and high-performance polyethylene in an amount of about 14 to about 18% weight of the total covered yarn.

### Claim 16 (depends on 1)

A method for manufacturing a thin coated supported glove, comprising:
dressing a 21 to 28-gauge knitted liner on a hand-shaped former;
applying an aqueous coagulant solution to the knitted liner;
dipping the knitted liner into a polymeric emulsion, wherein the polymeric emulsion is a about 60 to about 100 PHR nitrile-butadiene polymer formulation, forming a polymeric coating on the knitted liner; and
curing the polymeric coating to form a thin coated support glove, wherein the knitted liner comprises the thin knitted liner of claim 1.

### Claim 17 (depends on 16)

The method of claim 16, wherein the liner is 21 to 23-gauge.

### Claim 18 (depends on 16)

The method of claim 16, wherein the liner is single knit.

### Claim 19 (depends on 16)

The method of claim 16, wherein the polymeric emulsion has a viscosity between about 300 and about 2000 centipoises during the dipping step.

### Claim 20 (depends on 16)

The method of claim 16, wherein the polymeric emulsion comprises a total solids content of 35-46%.