Patent · US Expired

Apparatus for heat treatment of material to be worked on, especially of aluminum or magnesium alloys

US4245818A · kind A · utility

7Cited by

1References

25Claims

0Family size

Assignee

Prolizenz Aktiengesellschaft · CH

Inventors

Friedrich W. Elhaus · Radolfzell, DE
Bernhard Hilge · Mettmenstetten, CH

Key dates

Filing date	Mar 16, 1978
Grant date	Jan 20, 1981
Priority date	—
Expiry date	Mar 16, 1998

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF27B9/38
WIPO fieldThermal processes and apparatus
WIPO sectorMechanical engineering

Abstract

Apparatus for heat treatment of metal pieces such as billets, ingots, bars and the like, by pre-heating using hot gas impingement in a pre-heating furnace, and then transference into a holding furnace using forced hot air circulation where the metal pieces are held for the time required at the desired heat treatment temperature.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.