Woody fiber mat
US4738895A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Jan 29, 1987 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | Jan 29, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/641
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An improved woody fiber mat composed mainly of woody fibers, long fibers, thermoplastic fibers and a thermoset resin and moldable under heat and pressure into a product having a definite shape and very suitable to deep draw forming is provided, which mat is characterized in that the thermoplastic fibers are composite fibers composed of a plurality of components having different melting points; the fibers constituting the mat are entangled with each other and also subjected to melt adhesion and joining by a lower melting point component of the composite fibers; and the thermoset resin is in an uncured state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.