发明名称 PIPE CUTTING DEVICE
摘要 A pipe cutting device is characterized by a continuous link chain which is stretched tightly about the pipe with guide lugs being bilaterally provided at the face side of the links. A rolling carriage is arranged between the lugs for traveling 360 DEG around the pipe. The carriage is provided with suitable adjustable cutting or other operating means.
申请公布号 US3688615(A) 申请公布日期 1972.09.05
申请号 USD3688615 申请日期 1971.02.23
申请人 MESSER GRIESHEIM GMBH. 发明人 JOSEF PROTZE;MAX LEIDL
分类号 B23D45/12;B23K9/028;B23K37/02;(IPC1-7):B23B3/04;B23B3/22 主分类号 B23D45/12
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