Device for spreading a fluid substance, and machine permitting the simultaneous application of this substance and of the surfacing of a highway
US5178486A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1991 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Jun 20, 2011 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01C19/176
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A device for spreading a fluid substance or the like, in particular a bonding emulsion for bituminous coated materials, over the surface of a road (C), comprising, on a movable machine (1), at least one spreading bar (18) along which the spreading is effected at least partially, said bar being associated with an emulsion-supply circuit, wherein a bar comprises at least one chamber (19) comprising at least one aperture on its part intended to be opposite the road (C), said chamber (19) being associated with supply and nebulization means (27, 28, 29) which make it possible to supply the inside of said chamber (19) with nebulized-emulsion, and with means intended to promote the deposition of the nebulized emulsion on the road (C) through said aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.