Cover for a bung-type barrel or drum
US4934551A · kind A · utility
9Cited by
10References
20Claims
0Family size
Inventor
Key dates
| Filing date | Sep 2, 1988 |
| Grant date | Jun 19, 1990 |
| Priority date | — |
| Expiry date | Sep 2, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/06
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drum cover has a short wall portion received in the drum and connected at its outer edge to an edge of the drum body. The cover is provided with two openings or lands which are thrust out of the plane of the cover disk, the lands annularly surrounding the filling openings and lying in planes normal to the drum axis to facilitate connection of pipe stubs or the like thereto, e.g. by welding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.