| 摘要 |
An apparatus for welding a flange about the periphery of a cylindrical member generally including a frame assembly, mounting means rotatably mounted on the frame assembly, means for detachably securing the cylindrical member to the mounting means for rotation therewith about the axis of the cylindrical member, the mounting means including means for securing the flange thereto in a predetermined position relative to the cylindrical member, welding means mounted on the frame assembly, directed toward adjacent portions of the flange and cylindrical member when the flange and cylindrical member are mounted on the mounting means for rotation therewith integrally, means for rotating the mounting means with the flange and cylindrical member secured thereto and means for energizing the welding means.
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