To provide a seamless tubular material which can prevent meandering of a belt, does not cause breakage, folding and cracking of the belt and is excellent in running stability for a long time, to provide a manufacturing method of the seamless tubular material, and to provide an image forming apparatus using the seamless tubular material.
The seamless tubular material comprises: a seamless belt 12 (endless belt); a tubular reinforcement member 14 disposed on both end parts of a seamless belt 12 inner peripheral surface along the side edge of the seamless belt 12; a meandering prevention rib 16 (meandering prevention rib) disposed on the both end parts of a seamless belt 12 inner peripheral surface along the side edge of the seamless belt 12 via the tubular reinforcement member 14, wherein, for example, the tubular reinforcement member 14 is integrally molded so as to be fitted into difference parts 12A formed on both end parts of the seamless belt 12.
COPYRIGHT: (C)2007,JPO&INPIT
MATSUMOTO KOICHI
OMORI KENJI
| JP2001290374A | 2001-10-19 | |||
| JP2003295627A | 2003-10-15 | |||
| JP2003334829A | 2003-11-25 | |||
| JP2006234937A | 2006-09-07 |
Kato Kazunori
Katsuichi Nishimoto
Hiroshi Fukuda