Method of manufacturing a combustion chamber for a water heater
US7665211B2 · kind B2 · utility
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10Claims
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Assignee
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Key dates
| Filing date | Mar 5, 2007 |
| Grant date | Feb 23, 2010 |
| Priority date | — |
| Expiry date | Jan 15, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49968
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method of manufacturing a combustion chamber for use in a water heater is provided. A skirt is formed, and an edge portion of a plate is spot welded to the skirt. The edge portion of the plate is circumferentially welded to the skirt, thereby forming a seal between the plate and the skirt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.