Drum closure assembly
US4182475A · kind A · utility
14Cited by
12References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 19, 1979 |
| Grant date | Jan 8, 1980 |
| Priority date | — |
| Expiry date | Jan 19, 1999 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D2543/00796
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A drum closure assembly which includes a ring member and a cover member, the cover member being cooperatively sized for insertion into the ring member. The ring member comprises outer and inner ring portions which are angularly displaced from parallel to one another. The cover member includes a top cover member and an annular wall member designed to abut the inner ring portion of the ring member and to seal the assembly when in use.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.