| 摘要 |
<p>The drilling machine includes a distributor (11) provided between the supply pipe (9), pipe bend (15), vortex pipe (10) and pipes (12,13) leading to the shares (4). The distributor has a conical guide body (31) with a tip (32) reaching to the vortex pipe. The distributor housing has six or more outlets (16,17). The guide body can form part of a cover (30) which has a thread (34) corresponding with the inner thread of the distributor housing. The cover can be a rotational part. The pref. plastics housing is circular in cross-section and funnel-shaped.</p> |
