Dust canopy
US4652199A · kind A · utility
6Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 6, 1984 |
| Grant date | Mar 24, 1987 |
| Priority date | — |
| Expiry date | Aug 6, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G69/181
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The off loading of bulk particulate cargo from self unloading ships creates considerable dust. A self erecting canopy arrangement is described which connects between a ship's boom and a dockside hopper and which can adjust to sudden movement of the boom created by the effect of wind and waves on the ship. The canopy comprises a pliant skirt and resilient, self supporting means such as an inflatable framework for supporting the skirt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.