Composite building materials from recyclable waste
US5789477A · kind A · utility
39Cited by
12References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1996 |
| Grant date | Aug 4, 1998 |
| Priority date | — |
| Expiry date | Aug 30, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2949
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A composite building material is disclosed produced from recycled materials. The composite building material is composed of an extruded mixture of high density polyethylene and a thermoplastic coated fiber material such as fiberglass. The resulting material has increased strength and is useful in high stress applications such as railroad ties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.