Patent · US Expired

Process for the heat treatment of a series of objects and associated apparatus

US7341449B2 · kind B2 · utility

0Cited by
7References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 8, 2004
Grant dateMar 11, 2008
Priority date
Expiry dateOct 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.