Patent · US Active

Swellable tapes and yarns to replace strand filling compounds

US7884282B2 · kind B2 · utility

1Cited by

7References

10Claims

0Family size

Inventors

Randy Szilagyi · Weyburn, CA
Mark Kosek · Weyburn, CA
Sidney Wierstra · Grand Valley, CA

Key dates

Filing date	Jan 8, 2009
Grant date	Feb 8, 2011
Priority date	—
Expiry date	Apr 11, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49117
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A cable has a conductor and an insulator over the conductor. The conductor includes a first layer of at least one conductor element, a second layer of conductor elements, disposed over the first layer, and an intermediate water blocking layer, between the first and second conductor layers. The intermediate water block layering has at least one longitudinally applied water swellable yarn and at least one helically applied water swellable yarn.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.