Measuring and testing – Hardness – By penetrator or indentor
Reexamination Certificate
2006-04-11
2006-04-11
Garber, Charles (Department: 2856)
Measuring and testing
Hardness
By penetrator or indentor
Reexamination Certificate
active
07024923
ABSTRACT:
In a method for evaluating a fixing member to fix a toner having a surface layer, a hardness test is carried out by applying a pressure deformation from the surface side of the fixing member, and when a deformation of the surface layer by the pressure deformation is within an elastic range, the fixing member is regarded as a standard product.
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ASTM Standard D 1415—88, Standard Test Method for Rubber Property—International Hardness, 1988.
Ashikawa Kyoichi
Aze Norihiko
Kamiya Kohji
Matsuo Minoru
Takahata Nozomu
Garber Charles
Ricoh & Company, Ltd.
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