Patent · US Expired

Insulation batt with extended flange

US5421133A · kind A · utility

25Cited by
12References
21Claims
0Family size

Inventors

Key dates

Filing dateMay 20, 1993
Grant dateJun 6, 1995
Priority date
Expiry dateMay 20, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24612
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An insulation product comprises an elongated blanket of fibrous insulation material having a facing on one major surface, the facing extending beyond the edges of the blanket to form opposed flanges, the flanges having first reinforcement fibers extending longitudinally along the outer edge zones of the flanges, and the flanges having intermediate zones positioned inwardly of the outer edge zones, and provided with second reinforcement fibers of a lesser density so as to provide a visual indication of the boundary between the outer edge zones and the intermediate zones of the flanges.

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