Lightweight glass fiber insulation
US6294491A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1999 |
| Grant date | Sep 25, 2001 |
| Priority date | — |
| Expiry date | May 13, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2938
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
An insulation product especially suited for use as an aircraft insulation includes a blanket of randomly oriented entangled glass fibers bonded together by a thermosetting binder and having a mean diameter of about 1+/-0.25 microns. The blanket has a density between about 0.25 and about 1.5 pounds per cubic foot and a thickness between about 0.35 inches and about 2.0 inches. The blanket, exclusive of anything else, has an average machine direction tensile strength of at least 0.6 pounds/inch of blanket width and an average cross machine direction tensile strength of at least 0.3 pounds/inch of blanket length; a transverse airflow resistance between about 300 Rayls and about 1800 Rayls; and a thermal conductivity equal to or less than about 0.32 BTU-in/hr-ft.sup.2 -.degree. F. The glass fibers of the blanket have a biodissolution rate in excess of 150 ng/cm.sup.2 /hr.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.