38322 ⎘
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 with welded or soldered seams
LARGE-DIAMETER SPIRAL WELDED STEEL PIPE WITH COMPOSITE STRUCTURE WALL AND METHOD FOR MANUFACTURING SAME
#2MOBILE FACTORY OF STEEL SHEET COIL HELICAL PIPE
#3SPIRAL FORMING
#4LARGE CONTAINER AND METHOD FOR PRODUCING A LARGE CONTAINER
#5Tube and a method of manufacturing a tube
#6SPIRAL TUBE
#7Tube and a method of manufacturing a tube
#8Control system and method for tapered structure construction
#9Spiral forming
#10Air conduit spirally wound and provided with a plurality of holes, related manufacturing machine and method and related strip
#11Method for producing a drill shaft for a wet drill bit
#12Cylindrical tube formation
#13Methods for making layered tubular structures
#14Immobilised insert
#15Medium-manganese steel product for low-temperature use and method for the production thereof
#16DEVICE AND METHOD FOR PRODUCING STRIP WOUND TUBES
#17Spiral forming
#18Control system and method for tapered structure construction
#19Cylindrical tube formation
#20Tube and a method of manufacturing a tube
#21Ultrasonic welding of annular components
#22Cylindrical tube formation
#23Tube stiffening
#24Method of manufacturing boron coated straws for neutron detection through spiral winding and welding
#25APPARATUS AND METHOD FOR PRODUCING STRIP WOUND TUBES
#26Spiral forming
#27Container produced from a helically bent sheet metal strip
#28Container produced from a single-layered, helically bent sheet-metal strip
#29Control system and method for tapered structure construction
#30Method and device for separating wound tubes having welded parts
#31Method for producing welded tubes from steel
#32Method and device for cutting wound hoses
#33Tower production method
#34TOWER PRODUCTION METHOD
#35Method for producing welded helical-seam tubes having optimized tube geometry
#36PROCESS FOR THE MANUFACTURING OF AN ELONGATED TUBE AND USE OF THE TUBE
#37TUBULAR ARTICLE
#38Method for producing a threaded insert with an internal and external thread, and threaded insert
#39Tube
#40METHOD OF FORMING A JEWELRY CHAIN AND CHAIN FORMED THEREFROM
#41Spiral-wound diaphragm bellows, and method of making such a diaphragm bellows
#42Construction of a Tubular at a Downhole Location
#43Tank wall and method and system for making
#44Method of producing helically corrugated metal pipe and related pipe construction
#45Tubular filter material machine and methods
#46Housing for Seals, Preferably Radial Shaft Seals, and Method for Manufacturing such a Housing
#47Method for manufacturing articles of jewellery, in particular chains for ornamental purposes, and articles which can be obtained by means of said method
#48Method for manufacturing of a metallic sleeve
#49Method and apparatus for making welded large pipes