US Patent 7713458 Method of manufacturing laminated seamless belt and laminated seamless belt

Patent 7713458 was granted and assigned to Sumitomo Rubber Industries on May, 2010 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Sumitomo Rubber Industries

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

77134580

Patent Inventor Names

Takayuki Hattori0

Masakazu Tanaka0

Date of Patent

May 11, 2010

Patent Application Number

116007200

Date Filed

November 17, 2006

Patent Primary Examiner

‌

Jeffrey Wollschlager

Patent abstract

A laminated seamless belt having at least a base layer and an outer layer. The base layer contains a polyester thermoplastic elastomer as its main component. The base layer has a volume resistivity set to not less than 1.0×106(Ω·cm) nor more than 1.0×1011(Ω·cm). A volume resistivity of the outer layer is set to not less than 1.0×1011(Ω·cm) and not less than 10 times as large as that of the base layer. The base layer and the outer layer are formed by laminated extrusion.

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