Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 4, 2008
Patent Application Number
11811956
Date Filed
June 11, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
Device for measuring the rheological properties of a viscoelastic material, formed of an upper rotating plate (10) and of a lower rotating plate (20) which are able to press against the opposite faces of a sample S of the material to be measured. The axes of rotation (a1 a1′ and a2 a2′) of said plates are arranged parallel to one another in a direction perpendicular to the plane formed by the plates, and offset from one another by a distance d. Two independent motors (12, 22) drive respectively the upper plate (10) and the lower plate (20) at the same speed of rotation ω, without giving rise to any angular displacement between the two plates.
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