Process for the heat treatment of a series of objects and associated apparatus
US7341449B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Oct 8, 2004 |
| Grant date | Mar 11, 2008 |
| Priority date | — |
| Expiry date | Oct 11, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27B9/10
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A method and apparatus for heat treating objects in an enclosure, where the enclosure has an inlet passage, an outlet passage, and a treatment zone. Gaseous first fluid is injected into the treatment zone and the objects to be treated are passed through the treatment zone. A second fluid, with a density greater than that of the first fluid, is injected near the inlet and outlet passages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.