The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 09, 2025
Filed:
Apr. 19, 2023
Dupont Safety & Construction, Inc., Wilmington, DE (US);
Ddp Specialty Electronic Materials Us, Llc, Wilmington, DE (US);
DUPONT SAFETY & CONSTRUCTION, INC., Wilmington, DE (US);
DDP SPECIALTY ELECTRONIC MATERIALS US, LLC, Wilmington, DE (US);
Abstract
An article comprising a tube having a length L, a width W and a height H, wherein the tube has peripheral areas comprising an upper section, a lower section, an inner section, and an outer section, and the tube comprises a tube wall having an inner layer and an outer layer, the inner layer being a nonwoven fabric and the outer layer being a semipermeable membrane that is permeable to vapors but impermeable to liquids, wherein the tube has at least one inlet port integrated into the tube wall to permit the flow of fluid into the tube interior, wherein the tube has a through-thickness Gurley air permeability of from 1 to 2,000 seconds, and the tube has a tensile modulus in the L direction of from 300 to 450 MPa and from 200 to 320 MPa in the W direction, and wherein the upper section and/or the lower section of the tube has at least one slot in the outer layer extending at least partially along the length L of tube and centered in said upper and/or lower section, and wherein the inner layer forms the outer surface of the tube in that at least one slot.