Expandable magnetic sealant
US4769166A · kind A · utility
41Cited by
11References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 1, 1987 |
| Grant date | Sep 6, 1988 |
| Priority date | — |
| Expiry date | Jun 1, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S277/944
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a novel, magnetic sealant comprising a styrene blocked copolymer, a solubilizing agent, magnetic particles and a blowing agent which will, upon exposure to temperature, will cause the sealant to melt and be drawn toward the magnetically attractive substrate and will also foam, thereby increasing in dimension to fill irregular gap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.