Base body for photosensitive drum and photosensitive drum

Details Base body for photosensitive drum and photosensitive drum Base body for photosensitive drum and photosensitive drum

2005-08-30

2005-08-30

Pyon, Harold (Department: 1772)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Radiation-sensitive composition or product

C428S034100, C428S035700, C428S036400, C428S036900, C428S036910

Reexamination Certificate

active

06936389

ABSTRACT:
A resin made base body in the form of a pipe has (1) a plurality of alternating projections and depressions which are provided on an outer peripheral surface of the pipe and aligned in substantially parallel rows in one of an axial direction and a circumferential direction of the pipe; (2) a specular gloss at 60° of a surface of the pipe in a range of 15 to 25; or (3) a skin layer formed in an outer peripheral portion in the thickness direction of a peripheral wall of the pipe, wherein an amount of the conductive agent present in the skin layer is equal to, or less than, one-tenth an amount of the conductive agent present in a central portion in the thickness direction of the peripheral wall of the pipe.

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patent: 6261994 (2001-07-01), Bourdelais et al.
patent: 6436515 (2002-08-01), Ohbayashi et al.
patent: 6458449 (2002-10-01), Parent et al.
patent: 6561638 (2003-05-01), Iijima et al.

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