Foam wall and ceiling hole repair method
US4809478A · kind A · utility
18Cited by
7References
3Claims
0Family size
Inventor
Key dates
| Filing date | Nov 17, 1987 |
| Grant date | Mar 7, 1989 |
| Priority date | — |
| Expiry date | Nov 17, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G23/0207
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wall or ceiling hole repair method using plastic foam in which the foam, while expanding, is confined to the hole requiring repair so that it expands into gripping contact with the edges bounding the hole, and thus in effect wedges itself in place.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.