The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 06, 1994
Filed:
Feb. 05, 1993
Applicant:
Inventors:
Assignee:
VAW Aluminium AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D / ; B22D / ;
U.S. Cl.
CPC ...
164452 ; 164487 ; 164472 ; 164475 ; 164415 ; 164420 ; 1641541 ;
Abstract
Process and apparatus for the continuous casting of aluminum alloys in multiple moulds to form continuous castings of improved quality. The invention comprises supplying gas at a predetermined gas flow rate to each mould during the mould filling stage, sensing the gas pressure during the second casting or cooling stage and increasing or reducing the gas flow rate to maintain a predetermined gas pressure in the moulds during the continuous extrusion process.