Double-shell closure having an arcuate groove
US5836467A · kind A · utility
16Cited by
13References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 22, 1997 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | May 22, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D50/046
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A closure is provided having concentric inner and outer spaced cylindrical shells attached at respective first distal ends thereof by a circular top wall. An arcuate groove is provided in an upper surface of the top wall integral with the inner cylindrical shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.