Patent · US Expired

Heat and flame shield

US7229938B2 · kind B2 · utility

9Cited by
34References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 2005
Grant dateJun 12, 2007
Priority date
Expiry dateMay 6, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T442/697
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A heat and fire resistant planar unitary shield formed of heat and flame resistant fibers and voluminous bulking fibers. The shield material has a heat and flame resistant zone with a majority of the heat and flame resistant fibers, and a voluminous bulking zone with a majority of the voluminous bulking fibers. The fibers are distributed through the shield material in an manner that the heat and flame resistant fibers collect closest to the outer surface of the shield with the heat and flame resistant zone, and the voluminous bulking fibers collect closest to the outer surface of the shield material with the voluminous bulking zone.

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