Patent ID: 11920266
Assignee: FEDERAL-MOGUL POWERTRAIN LLC
Field: Textile and paper machines (Mechanical engineering)
Classification: CPC D | IPC D

Claim 13:
14. A corrugated protective textile sleeve, comprising:
a flexible, tubular wall of warp yarns and weft yarns woven with one another, said warp yarns extending lengthwise along a longitudinal axis between opposite ends of said tubular wall and said weft yarns extending generally transversely to said warp yarns, at least some of said weft yarns being activated to a shrunken length relative to a length as woven, and at least some said weft yarns being non-activated to retain a length as woven, said non-activated weft yarns forming crests, having a first diameter, spaced axially from one another and said activated weft yarns forming valleys, having a second diameter less than said first diameter, with at least some of said valleys extending between at least some of said crests.