Polyethylene shipping drum
US5096083A · kind A · utility
42Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1990 |
| Grant date | Mar 17, 1992 |
| Priority date | — |
| Expiry date | May 8, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00972
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A polyethylene shipping drum especially suited for shipping hazardous materials is disclosed. The drum comprises a molded container and closure which are threadably connected to each other to form a seal therebetween. A thread lock is provided for the threaded connection between the container and closure. The container has a plurality of indentations in the side wall thereof to provide ledges for stacking the containers one inside the other in a stable, nested relationship. An annular rim is provided on the closure with an inclined annular surface for retaining the sealing gasket in a groove without adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.