| 摘要 |
1344117 Pipe burr C F STICKLER 23 Nov 1971 [1 Dec 1970] 54350/71 Heading B3C [Also in Division B4] A tool for deburring pipes 20, e.g. of plastics material or metal comprises a sheet metal body member 26 having inner and outer surfaces 28 formed with apertures 34 having inwardly and outwardly directed burrs 36, 38 providing cutting edges engageable with the end edge of the pipe to which the tool is applied in concentric relation. In modifications the apertures may be circular, Fig. 7 (not shown), or rectangular, Fig. 6 (not shown). A flange 32 is formed on the tool to provide a grip for manual operation; alternatively the tool may be power driven. |
