Method of forming a roller and mold for forming the same
AssigneeSeiko Epson Corporation
InventorsMasafumi Takei, Kenji Sakurai
Life of this patent
Estimating the term…
Loading patent…
AssigneeSeiko Epson Corporation
InventorsMasafumi Takei, Kenji Sakurai
Estimating the term…
A roller for an image forming apparatus comprises: a core body having a shaft positioned in the center thereof, the core body being formed by solidifying a fluid around an outer circumference of the shaft; and a surface layer formed on a surface of said core body, the surface layer being made of hard rubber and having a uniform thickness over the surface of the core body. A mold for the roller, comprises: an inner surface whose section is the same as a section of the core body; a pair of half-split bodies, one end wall of each half-split body having a recess for clamping the shaft, other end wall of each half-split body having a injecting hole for injecting a core body forming fluid therefrom; and a stopper body serving as an aligning member having a through hole in the middle thereof for inserting the shaft thereinto, the stopper body further projecting a stopper on an outer circumference thereof for fitting the stopper into the injecting hole.
A method for forming a roller, comprising the steps of:
Dependencies are inferred from the claim text.