IP Library Granted Patent US 12,077,890
Granted Patent B2
US 12,077,890 · App. 17/383,500 · Granted Sep 3, 2024

Cleaning fabric

Inventors: Herbert P. Hartgrove (Dunn, NC); Sayanti Basu (Charlotte, NC); Jerry Snider (Mooresville, NC)
Assignee: BERRY GLOBAL, INC.
D04H1/492A47L13/16B08B1/143D04H1/43825D04H1/43835D04H1/43838D04H1/43912D04H1/488D04H1/587D04H1/74A61L2/18D10B2321/02D10B2331/04
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Quick Facts
Patent No.
US 12,077,890
App. No.
17/383,500
Granted
Sep 3, 2024
Kind
B2
Abstract

Fabrics are provided that include mono-component staple fibers, a first group of split staple fibers comprising a first polymeric material, and a second group of split staple fibers comprising a second polymeric material that is different than the first polymeric material. The mono-component staple fibers, the first group of split staple fibers, and the second group of split staple fibers are physically entangled together to define a consolidated nonwoven. The fabrics may be physically entangled by hydroentanglement.

Claims (22)

1. A method for forming a fabric, comprising:

(i) providing a blend of fibers; wherein the blend of fibers comprises (a) mono-component staple fibers comprising from about 1 to about 4 decitex (dtex) and (b) splittable multi-component staple fibers comprising from about 1 to about 4 dtex, wherein the splittable multi-component staple fibers include at least about 6 splittable segments; and

(ii) physically entangling the blend of fibers to at least partially split the splittable multi-component staple fibers and to provide a consolidated nonwoven fabric, wherein the step of physically entangling the blend of fibers to at least partially split the splittable multi-component staple fibers forms a first group of split staple fibers comprising from about 0.05 to about 0.5 dtex and comprising a first polymeric material, and a second group of split staple fibers comprising from about 0.05 to about 0.5 dtex and comprising a second polymeric material comprising a polypropylene; and

(iii) applying a binder comprising a non-ionic acrylic binder and a melamine-formaldehyde copolymer resin to the consolidated nonwoven fabric, wherein the melamine-formaldehyde copolymer resin comprises a methylated or partially methylated melamine-formaldehyde copolymer resin, and wherein the binder includes a first ratio between (i) the non-ionic acrylic binder and (ii) the melamine-formaldehyde copolymer resin comprising from about 0.75:1 to about 2.5:1.

2. The method of claim 1 , wherein the first group of split staple fibers, the second group of split staple fibers, or both comprise a non-round cross-section.

3. The method of claim 1 , wherein the first polymeric material comprises at least one of a polyolefin, a polyester, a polyamide, or any combination thereof.

4. The method of claim 3 , wherein the mono-component staple fibers comprise a first polyester, the first polymeric material comprises a second polyester that is the same or different than the first polyester.

5. The method of claim 1 , wherein the step of physically entangling the blend of fibers to at least partially split the splittable multi-component staple fibers comprises subjecting the blend of fibers to a hydroentangling operation.

6. The method of claim 1 , wherein the mono-component staple fibers comprise a synthetic polymeric material comprising at least one of a polyolefin, a polyester, a polyamide, or any combination thereof.

7. The method of claim 1 , wherein the binder further comprises a polyvinyl acetate and acrylic copolymer.

8. The method of claim 7 , wherein the binder has a second ratio between the (i) polyvinyl acetate and acrylic copolymer and (ii) the non-ionic acrylic binder ranges from about 6.75:1 to about 3.25:1.

9. The method of claim 1 , wherein the splittable multi-component staple fibers include from about 6 to about 20 splittable segments.

10. The method of claim 1 , further comprising blending and carding the mono-component staple fibers and the splittable multi-component fibers to form the blend of fibers.

11. The method of claim 1 , further comprising imparting a three-dimensional pattern into the consolidated nonwoven fabric via positioning a first surface of the consolidated nonwoven fabric onto an image transfer device having a three-dimensional pattern, and applying jets of fluid onto the second surface of the consolidated nonwoven fabric to impart the three-dimensional pattern into the consolidated nonwoven fabric.

12. The method of claim 11 , wherein the step of applying a binder is performed subsequently to imparting the three-dimensional pattern into the consolidated nonwoven fabric.

13. The method of claim 12 , wherein the binder further comprises a polyvinyl acetate and acrylic copolymer.

14. The method of claim 13 , wherein the binder has a second ratio between the (i) polyvinyl acetate and acrylic copolymer and (ii) the non-ionic acrylic binder ranges from about 6.75:1 to about 3.25:1.

15. The method of claim 1 , wherein the fabric has a basis weight from about 20 to about 200 grams-per-square-meter (gsm).

16. The method of claim 1 , wherein the fabric is devoid of cellulosic material.

17. The method of claim 1 , wherein the fabric is formed from 100% of staple fibers.

18. The method of claim 1 , wherein the mono-component staple fibers, the splittable multi-component staple fibers, or both comprise a hydrophilic finish.

19. The method of claim 1 , wherein the splittable multi-component staple fibers comprise from 10 to 40% by weight of the blend of fibers.

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded May 5, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
To: BERRY FILM PRODUCTS COMPANY, INC.; BPREX HEALTHCARE PACKAGING INC.; AVINTIV SPECIALTY MATERIALS INC.; PLIANT, LLC; FIBERWEB, LLC; BERRY GLOBAL FILMS, LLC; PROVIDENCIA USA, INC.; LETICA CORPORATION
Reel/Frame 071168/0495 →
RELEASE OF SECURITY INTEREST Recorded May 4, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
To: BERRY FILM PRODUCTS COMPANY, INC.; BPREX HEALTHCARE PACKAGING INC.; AVINTIV SPECIALTY MATERIALS INC.; PLIANT, LLC; FIBERWEB, LLC; BERRY GLOBAL FILMS, LLC; PROVIDENCIA USA, INC.; LETICA CORPORATION
Reel/Frame 071165/0634 →
RELEASE OF SECURITY INTEREST Recorded May 3, 2025
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
To: BERRY FILM PRODUCTS COMPANY, INC.; BPREX HEALTHCARE PACKAGING INC.; PRIME LABEL & SCREEN, INC.; AVINTIV SPECIALTY MATERIALS INC.; PRIME LABEL & SCREEN INCORPORATED; PLIANT, LLC; FIBERWEB, LLC; BERRY GLOBAL FILMS, LLC; PROVIDENCIA USA, INC.; LETICA CORPORATION
Reel/Frame 071165/0464 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 28, 2025
From: BERRY GLOBAL, INC.
To: MAGNERA CORPORATION
Reel/Frame 070959/0367 →
RELEASE OF SECURITY INTEREST Recorded Nov 5, 2024
From: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
To: BERRY FILM PRODUCTS COMPANY, INC.; AVINTIV SPECIALTY MATERIALS, LLC (F/K/A AVINTIV SPECIALTY MATERIALS INC.; F/K/A POLYMER GROUP, INC.); FIBERWEB, LLC.; PROVIDENCIA USA, INC.
Reel/Frame 069306/0067 →
SECURITY INTEREST Recorded May 30, 2024
From: BERRY GLOBAL, INC.; BERRY FILM PRODUCTS COMPANY, INC.; BPREX HEALTHCARE PACKAGING INC.; AVINTIV SPECIALTY MATERIALS, LLC; PLIANT, LLC; FIBERWEB, LLC; BERRY GLOBAL FILMS, LLC; PROVIDENCIA USA, INC; LETICA CORPORATION
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 067589/0371 →
SECURITY INTEREST Recorded Jan 19, 2024
From: BERRY GLOBAL, INC.; BERRY FILM PRODUCTS COMPANY, INC.; BPREX HEALTHCARE PACKAGING INC; AVINTIV SPECIALTY MATERIALS INC.; PLIANT, LLC; FIBERWEB, LLC; BERRY GLOBAL FILMS, LLC; PROVIDENCIA USA, INC.; LETICA CORPORATION
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 066354/0346 →
SECURITY INTEREST Recorded Mar 31, 2023
From: BERRY GLOBAL, INC.; BERRY FILM PRODUCTS COMPANY, INC.; BPREX HEALTHCARE PACKAGING INC; PRIME LABEL & SCREEN, INC.; AVINTIV SPECIALTY MATERIALS INC.; PRIME LABEL & SCREEN, INCORPORATED; PLIANT, LLC; FIBERWEB, LLC; BERRY GLOBAL FILMS, LLC; PROVIDENCIA USA, INC.; LETICA CORPORATION
To: U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION
Reel/Frame 063348/0639 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 27, 2021
From: HARTGROVE, HERBERT P.; BASU, SAYANTI; SNIDER, JERRY
To: BERRY GLOBAL, INC.
Reel/Frame 056983/0707 →