Reinforcing structure for metal shell and manufacturing method for metal shell
US7495160B2 · kind B2 · utility
8Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 2007 |
| Grant date | Feb 24, 2009 |
| Priority date | — |
| Expiry date | Nov 12, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49574
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A metal shell is composed of a trunk portion and a pair of reinforcing portions provided at opening ends of the trunk portion. The trunk portion is formed of a metallic cylinder, the reinforcing portion is formed of a metallic ring having the same diameter as that of the cylinder, and the ring is joined to at least an opening end of the cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.