发明名称 METHOD OF MANUFACTURING CONVEYING ROLLER, CONVEYING UNIT AND PRINTING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a method of manufacturing conveying rollers with which the deterioration of conveyance properties is suppressed. SOLUTION: The method of manufacturing the conveying rollers 31 for conveying recording media includes: a first step where a nearly cylindrical member 16 is formed by bending a plate and also positioning parts 73 having a notch shape in the end parts of the cylindrical member are formed; and a second step where an axial bend which is generated on the cylindrical member in the first step is straightened by imparting bending load to the predetermined places of the cylindrical member in the state where the cylindrical member is supported on the center sides of the positioning parts in the length direction of the cylindrical member. COPYRIGHT: (C)2011,JPO&INPIT
申请公布号 JP2011098366(A) 申请公布日期 2011.05.19
申请号 JP20090253765 申请日期 2009.11.05
申请人 SEIKO EPSON CORP 发明人 ONO KATSUNORI;SAITO KOICHI;KAMOSHITA SHINICHI
分类号 B21D3/10;B21D5/01 主分类号 B21D3/10
代理机构 代理人
主权项
地址