| 摘要 |
<p>A fluid supply pipe (1) is drilled and tapped using a saddle (2) adhered to its surface, the drilling and tapping tools (10) being attached to the saddle (2). The saddle (2) comprises a sole plate (3) snugly fitting on the pipe (1), and an upstanding collar (4) with a through bore (20) through which the cutting and tapping tools (10) pass. During adhering the saddle (2) to the pipe (1), adhesive is prevented from entering the bore (20) by provision of a closure member (21).</p> |
