CLEANING BLADE

PURPOSE:To extend the life of the cleaning blade in a low-temp. and low- humidity environment and to improve the reliability thereof by specifying the loss coefft. tandelta peak temp., modulus of impact resistance and Young's modulus of the rubber elastic material of the cleaning blade. CONSTIT...

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Bibliographic Details
Main Author NAGATSUKA EIICHI
Format Patent
LanguageEnglish
Published 30.09.1994
Edition5
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PURPOSE:To extend the life of the cleaning blade in a low-temp. and low- humidity environment and to improve the reliability thereof by specifying the loss coefft. tandelta peak temp., modulus of impact resistance and Young's modulus of the rubber elastic material of the cleaning blade. CONSTITUTION:This cleaning blade is applied to an image forming device using black toners of 15+ or -5mum volumetric average grain size and color toners of <=7mum in the low-temp. (<=10 deg.C) and low-humidity (<=30%) environment. The tandelta peak temp. of the cleaning blade is migrated to a low-temp. region to increase the modulus of impact resistance and to lower the Young's modulus. Namely, the loss coefft. tandelta peak temp. of the rubber elastic material is specified to -13 to -16 deg.C and the modulus of impact resistance of this time is so determined as to attain 62+ or -8% and >=55kg/cm Young's modulus. As a result, the amt. of the toners slipping the blade ridge line of the cleaning blade 3 decreases drastically and the toners soaring up to the rear surface of the cleaning blade 3 are entirely eliminated.
Bibliography:Application Number: JP19930060570