Mixer
US4610545A · kind A · utility
8Cited by
4References
27Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 2, 1984 |
| Grant date | Sep 9, 1986 |
| Priority date | — |
| Expiry date | Jul 2, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28C5/34
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A concrete mixer in this invention comprises an elastomeric lug belt carried by a first set of roller drums at least one of which is driven, the lug belt having a plurality of spaced elastomeric lugs thereon, and an elastomeric base belt carried by a second set of roller drums and depending between two of these roller drums to form a part-loop portion, at least one of the base belt roller drums also being driven to drive the lug belt past the base belt in a mixing zone in the part-loop portion, such that the base belt moves in the opposite direction from the direction of movement of the lug belt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.