| 摘要 |
<p>The appts. is used for nesting pipes of different dias. or unnesting the resulting assembly into individual pipes for efficient transport of the pipes. It comprises a support arm for supporting a pipe with the arm extending through it. A support member holds a pipe. There is lift for raising or lowering one of the support arms and the support member. A carriage is movable axially of the pipes and equipped with the support element. By the movement of the carriage, a pipe on one of the support arms and support member can be fitted inside or around another pipe. The other, or nested pipes can be sepd. A pipe on the support member can be fitted around the support arm or another pipe.</p> |
