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:
Mar. 27, 2007
Filed:
Jun. 14, 2002
Franz Dobesberger, Schwarzenau, AT;
Herbert Flankl, Perg, AT;
Dietmar Leitlmeier, Schleissheim/Wels, AT;
Alois Birgmann, Moosdorf, AT;
Franz Dobesberger, Schwarzenau, AT;
Herbert Flankl, Perg, AT;
Dietmar Leitlmeier, Schleissheim/Wels, AT;
Alois Birgmann, Moosdorf, AT;
Huette Klein-Reichenbach Gesellschaft MBH, Schwarzenau, AT;
Abstract
A device for feeding gas in a melt of foamable metal by means of at least one pipe for producing metal foam. The gas insertion pipe projects inwardly into the melt and at the projecting end has a gas outlet having a cross section of 0.006 to 0.2 mmand a pipe face area of less than 4.0 mm. A flowable metal foam has gas bubbles defined by walls of a liquid metal matrix with solid reinforcing particles, and the diameter of the largest gas bubbles divided by that of the smallest gas bubbles is less than 2.5.