| 摘要 |
<p>Apparatus for securing hard material tips to the teeth of a cutter tool such as a saw blade, including means (5) for presenting an end of a rod or bar (6) of the tip forming material to a tooth to to be tipped; mean (22) for exerting pressure between the tip forming material and the tooth (7) to be tipped during a welding operation such that the end can be welded or otherwise secured to the tooth with the tip forming length positioned with respect to the tooth at substantially the rake or face angle for the tip when the latter is mounted to the tooth and in which following the welding operation the rod or bar is severed from the end thereof attached to the blade tooth in such manner that the cut surface defines the top face of the tip.</p> |
