38325 ⎘
Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes; Making tubes or metal hoses with helically arranged seams the tubes having a special shape, e.g. with corrugated wall, flexible tubes curved section, e.g. elbow
Duct cutting-and-forming device for elbow duct manufacturing device
#2Elbow-shaped duct manufacturing apparatus
#3Formation and rotational apparatus and method for cylindrical workpieces
#4Formation and rotational apparatus and method for cylindrical workpieces
#5Manufacturing apparatus and method of spiral duct including elbow
#6Formation and rotational apparatus and method for cylindrical workpieces
#7Apparatus and method for manufacturing spiral duct
#8Formation and rotational apparatus for cylindrical workpieces
#9Method and apparatus for fabricating arcuate sheet metal components for HVAC duct systems