Composite building materials from recyclable waste
US5916932A · kind A · utility
43Cited by
10References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1997 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | May 16, 2017 |
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.