Device for transporting sticky or wet material
US7922384B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2007 |
| Grant date | Apr 12, 2011 |
| Priority date | — |
| Expiry date | May 10, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G33/32
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention concerns a device for transporting sticky and/or wet material in horizontal direction comprising a shaftless spiral or screw having an outside diameter and an inside diameter, a stationary trough having a prismatic shape with at least at its underside a cylindrical part with a liner for supporting the outside diameter of the shaftless spiral or screw, and drive means for rotating the shaftless spiral or screw around a stationary straight centerline, the stationary trough having an inlet opening for receiving transportable material and at its underside an outlet opening for discharging transported material. According to the invention the shaftless spiral or screw is provided over its active length between the inlet opening and the outlet opening along the centreline with a pipe which is rotatable in the inside diameter of the shaftless spiral or screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.