Device for heat-treating metal workpieces
US5402994A · kind A · utility
8Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 15, 1994 |
| Grant date | Apr 4, 1995 |
| Priority date | — |
| Expiry date | Jul 15, 2014 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D7/06
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An apparatus for heat-treating metallic workpieces, which includes two successive furnaces, a feeding device for feeding workpieces to the first furnace, and conveyor means from transporting workpieces from the first to the second furnace. Both furnaces are equipped with gas-tight inlet and out doors. The conveyor means are also gas-tight. The furnaces are each equipped with means for controlling temperature, dwell time and atmosphere.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.