Machine for forming curved conduits
Machine for forming tubes from a strip
Machine for making corrugated flexible cylindrical duct
Machine for manufacturing helically-seaming tubing
Machine for the manufacture of helically wound metal duct or pip
Mandrel assembly for manufacturing tubular products
Metal tube and its production method
Method and apparatus for closing the end of an extruded tube sub
Method and apparatus for cutting and notching a hollow pipe
Method and apparatus for forming box-shaped sheet metal ducts
Method and apparatus for manufacturing a helically-wound...
Method and apparatus for manufacturing metallic pipe
Method and apparatus for plate edge preparation for UOE pipe mak
Method and apparatus for portable spiral pipe manufacturing
Method and apparatus for producing spacers or blocks primarily f
Method and apparatus for the production of a longitudinal...
Method and device for manufacturing UOE steel pipes
Method for manufacturing a pontoon
Method for producing pipe having polygon-shaped closed cross-sec
Method for roll forming steel pipes, and equipment for same