US Patent 7685844 Method and device for producing mineral fibres

Patent 7685844 was granted and assigned to Saint-Gobain on March, 2010 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Saint-Gobain

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7685844

Date of Patent

March 30, 2010

Patent Application Number

11579409

Date Filed

April 7, 2005

Patent Primary Examiner

‌

Steven P. Griffin

Patent abstract

A process for forming mineral fibers, in which at least one stream of vitrifiable material in the molten state is subjected to action of an attenuating gas flow in an attenuation zone. The gas flow in the attenuation zone is in the form of a vortex. Such a process may find application to the manufacture of fibrous products.