Method for forming pre-impregnated fibers suitable for processing into a composite article
US6185962A · kind A · utility
8Cited by
53References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1997 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | May 23, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2938
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method is disclosed for forming coated fibers suitable for making a composite article. A plurality of fibers are coated with an aqueous- or non-aqueous-based chemical treatment containing a curable resin such that the resin on the fibers is in a partially cured or uncured state. The coated fibers may then be formed into a composite article in a subsequent forming operation, for example, by filament winding, pultrusion, weaving, knitting, or extrusion coating. The strand of fibers may also be shaped into a preform which can be used in resin transfer molding (RTM) and injection molding processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.