Discharge chute for concrete mix
US4054194A · kind A · utility
35Cited by
7References
8Claims
0Family size
Inventor
Key dates
| Filing date | Dec 29, 1975 |
| Grant date | Oct 18, 1977 |
| Priority date | — |
| Expiry date | Dec 29, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28C5/4248
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A conveying chute for freshly mixed concrete is made from a metal frame having a replaceable polyurethane liner. The liner is formed flat about a porous metal reinforcement and is held in a curved trough defining shape by the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.