Patent · US Expired

Insulating sheathing with tough three-ply facers

US6093481A · kind A · utility

76Cited by
30References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 6, 1998
Grant dateJul 25, 2000
Priority date
Expiry dateMar 6, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/8305
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method for continuously manufacturing an insulation board by facing a foam-forming composition with one or two facing sheets to form a singly or doubly faced composite, at least one sheet comprising either a tough polymeric layer or a laminate of a tough polymeric layer with at least one other facing material, the tough polymeric layer of at least one sheet facing to the outside of the composite, and foaming and curing the faced foam-forming mixture to produce an insulation board having an exceptional hardness and puncture resistance.

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