Core material for laminate and method for manufacturing the same
US5380392A · kind A · utility
50Cited by
9References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 1993 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Dec 29, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1082
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A core material for laminates is provided, which is formed of a substrate and a porous sheet laminated on the one side of the substrate, said substrate having slits which penetrate therethrough in rows at an appropriate interval. The core material permits no inclusion of air inside when laminated with an FRP and putty is filled in the core material, with a result that the putty not only functions as a reinforcing rib, but prevents water-containing phenomenon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.