Fire-resistant flange spacer
US6484749B1 · kind B1 · utility
6Cited by
33References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Nov 8, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7036
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A composite flange spacer for articulation between a fluid control assembly and a pair of pipe flanges comprising a fire-resistant, relatively non-compressible, layer sandwiched between a pair of fire-resistant compressible layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.