| 摘要 |
An apparatus for taper-boring a bevelled surface (16) into an inner wall of a pipe fitting (10, 32). The apparatus comprising support means, in the form of rollers (24, 26, 28), for supporting the fitting on the apparatus; drive means for rotating the fitting wit respect to the apparatus and a rotatable milling head (40) located at least partially within the fitting being supported by the support means. The arrangement of the support means and the milling head is such that the fitting is rotatable with respect to the milling head.
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