| 摘要 |
A portable apparatus for forming pipe from helical convulsions of elongated sheet metal. A decoiler, rolling portion and pivot are mounted on a trailer, with a rigid frame extending from pivot and being laterally pivotable at the pivot in relation to the trailer. A forming head, cutoff saw, and dump table are mounted on the frame and pivotable therewith so that various diameters of pipe can be formed.
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