Typewriting machines – Platen or platen-moving mechanism – Cylindrical platen
Patent
1996-03-29
1998-09-15
Burr, Edgar S.
Typewriting machines
Platen or platen-moving mechanism
Cylindrical platen
400659, B41J 11053
Patent
active
058070044
ABSTRACT:
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.
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Abstracts of Japan vol. 11 No. 34 (M-558), Jan. 1987 and JP-A-61 202 865.
Patent Abstracts of Japan vol. 12 No. 227 (M-713) 28 Jun. 1988 and JP-A-63 025013.
Sakurai Kenji
Takei Masafumi
Burr Edgar S.
Sandusky Amanda B.
Seiko Epson Corporation
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