38328 ⎘
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 Control or regulating devices
SPIRAL FORMING
#2Control system and method for tapered structure construction
#3Elbow-shaped duct manufacturing apparatus
#4Spiral forming
#5Air conduit spirally wound and provided with a plurality of holes, related manufacturing machine and method and related strip
#6Methods for making layered tubular structures
#7Spiral forming
#8Control system and method for tapered structure construction
#9Hydroforming tool and method to augment a ram forming machine
#10Spiral forming
#11Control system and method for tapered structure construction
#12Method and apparatus for manufacturing interlocking pipe
#13Apparatus for and method of manufacturing helically wound structures
#14Method for producing welded helical-seam tubes having optimized tube geometry
#15APPARATUS FOR AND METHOD OF MANUFACTURING A HELICALLY WOUND TUBULAR STRUCTURE
#16Apparatus for and Method of Manufacturing Helically Wound Structures
#17Method of producing helically corrugated metal pipe and related pipe construction