Angled muffler seam construction and method
US7591345B1 · kind B1 · utility
2Cited by
15References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2007 |
| Grant date | Sep 22, 2009 |
| Priority date | — |
| Expiry date | Jan 18, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49398
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A muffler with enhanced seam strength construction, and method therefor, is provided by shell sidewalls having facing lips extending at an angled direction relative to afterfire explosive force along a lateral direction, such that outward lateral movement of the first sidewall is blocked by the second lip in the path of lateral movement of the first lip and such that outward lateral movement of the second sidewall is blocked by the first lip in the path of lateral movement of the second lip.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.