Apparatus for the heat treatment of workpieces
US6147328A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1998 |
| Grant date | Nov 14, 2000 |
| Priority date | — |
| Expiry date | Oct 23, 2018 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF27D2003/006
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
An apparatus for the heat treatment of work pieces comprising comprising a plurality of evacuable chambers connected through airlocks, a conveyor, preferably a circular chain conveyor for the transport of the workpieces along a path through the chambers, an electric resistance heating device, a cooling blower, and a heat exchanger, a plurality of workpieces of equal size and configuration, in particular hacksaw blades, are placed tightly one on top of another and form a stack which is placed into a frame made of profile cuts, whereby the frame is capable of being coupled to a conveyor by means of suspension elements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.