IP Library Granted Patent US 11,230,083
Granted Patent B2
US 11,230,083 · App. 17/190,805 · Granted Jan 25, 2022

Laminated fabrics and protective covers with post-industrial and/or post-consumer content and methods of making laminated fabrics and protective covers with post-industrial and/or post consumer content

Inventors: Seckin Ozol (South Bend, IN); Na Qi (Granger, IN); Gregory L. Todt (Union, MI)
Assignee: Transhield, Inc.
B32B5/022B32B5/08B32B5/24B32B7/028B32B7/12B32B27/06B32B27/12B32B27/32B32B27/36B32B37/1207B32B37/153B32B2037/1223B32B2307/31B32B2367/00
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Quick Facts
Patent No.
US 11,230,083
App. No.
17/190,805
Granted
Jan 25, 2022
Kind
B2
Abstract

A method of recycling laminated fabrics and laminated fabric products and producing new laminated fabrics and laminated fabric products includes the steps of shredding scrap or used laminated fabric material, melt separating the polymers, pelletizing the melt separated polymers, extruding the pelletized material with at least one virgin material to form a film, and laminating the film to a nonwoven material to form a new laminated fabric. The scrap or recycled laminated fabric products can include plastic/polymer materials having different melting temperatures. The new laminated fabric can be utilized to produce new products, such as protective covers.

Claims (32)

1. A method of making a laminated fabric, including the steps of:

obtaining an existing laminated fabric product, the existing laminated fabric product having a first component having a first melting point and a second component having a second melting point different from the melting point of the first component;

dividing the existing laminated fabric product into two or more pieces;

shredding at least some of the two or more pieces of the existing laminated fabric product to produce a shredded product;

melt separating the first component from the second component in at least some of the shredded product to produce a first product stream having a majority of the first component and at least some of the second component and a second product stream having a majority of the second component;

pelletizing the first product stream to produce pellets having a majority of the first component and at least some of the second component;

providing at least one virgin polymer resin;

forming the pellets and the at least one virgin polymer resin into a film;

heating the film;

providing a nonwoven material;

applying adhesive to the nonwoven material; and

laminating the film to the nonwoven material.

2. The method of claim 1 , wherein the first component of the existing laminated fabric product and the at least one virgin polymer resin are the same material.

3. The method of claim 1 , wherein the pellets and the at least one virgin polymer resin are extruded to form a cast film.

4. The method of claim 1 , wherein the pellets and the at least one virgin polymer resin are extruded to form a blown film.

5. A method of making a laminated fabric, including the steps of:

obtaining an existing laminated fabric product, the existing laminated fabric product having a first component having a first melting point and a second component having a second melting point different from the melting point of the first component;

separating the first component of the existing laminated fabric product from the second component of the existing laminated fabric product;

forming the first component of the existing laminated fabric product into pellets;

providing at least one virgin polymer resin;

forming the pellets and the at least one virgin polymer resin into a film;

providing a nonwoven material; and

laminating the film to the nonwoven material.

6. The method according to claim 5 , wherein the step of separating the first component of the existing laminated fabric product from the second component of the existing laminated fabric product is performed by melt separation.

7. The method of claim 5 , wherein the first component of the existing laminated fabric product and the at least one virgin polymer resin are the same material.

8. The method of claim 5 , wherein the pellets and the at least one virgin polymer resin are extruded to form a cast film.

9. The method of claim 5 , wherein the pellets and the at least one virgin polymer resin are extruded to form a blown film.

10. The method of claim 5 , wherein the laminated fabric is heat shrinkable.

11. The method of claim 5 , wherein the first component of the existing laminated fabric product is a polyethylene polymer.

12. The method of claim 5 , wherein the second component of the existing laminated fabric product is PET.

13. The method of claim 5 , wherein the laminated fabric is heat sealable.

14. The method of claim 5 , further including the step of providing a second film and coextruding the film with the second film to form a multilayer film that is laminated to the nonwoven material.

Assignments (3)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2021
From: TODT, GREGORY L
To: TRANSHIELD, INC.
Reel/Frame 055478/0494 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2021
From: OZOL, SECKIN
To: TRANSHIELD, INC.
Reel/Frame 055478/0935 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 3, 2021
From: QI, NA
To: TRANSHIELD, INC.
Reel/Frame 055479/0146 →
Continuity (3)
Division 17074766 · Oct 20, 2020
Provisional Application 62923739 · Oct 21, 2019
Related Publication 20210187900A1 · Jun 24, 2021