38324 ⎘
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
Sub-classes:SPIRAL FORMING
#2Tapered structure construction
#3Control system and method for tapered structure construction
#4Spiral forming
#5Tubular core and method
#6Tapered structure construction
#7Tapered spiral welded structure
#8Armoured cable and its manufacture
#9Pipe tubular reinforcement forming machine, and related method
#10Apparatus for forming in continuous a spiral seamed conduit, forming process and spriral conduit
#11SEAMING DEVICE
#12Spiral forming
#13Control system and method for tapered structure construction
#14Horizontally wound coil of metallurgically heat treated metal tubing in a multi-layered configuration
#15Tapered spiral welded structure
#16Apparatus and method for a helically perforated wound duct
#17Elongate tape element and method
#18PIPE CUTTING SYSTEM
#19Tapered structure construction
#20Tubular core and method
#21Tapered spiral welded structure
#22Spiral forming
#23Tapered structure construction
#24Elongate tape element and method
#25Elongate tape element and method
#26Control system and method for tapered structure construction
#27Flexible pipe carcass for controlling flow induced vibration in a riser
#28Tapered spiral welded structure
#29Tower production method
#30Process for manufacturing a wound hose, particularly a spiral wound metallic hose, as well as wound hose and flexible conduction element with a wound hose
#31Tapered structure construction
#32TOWER PRODUCTION METHOD
#33FORMING HEAD FOR FORMING SPIRALLY SEAMED TUBE
#34Tapered spiral welded structure
#35MULTI-LAYERED CORRUGATED TUBULAR ARTICLE
#36Method for producing a threaded insert with an internal and external thread, and threaded insert
#37SPIRALLY WELDED CONICAL TOWER SECTIONS
#38Method of welding duplex stainless steel strip for the production of an armouring layer of a flexible pipe
#39Tubular Members and Method of Forming Same
#40Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock
#41Apparatus for producing helically corrugated metal pipe and related method
#42Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock
#43Manufacture of Reinforced Tubular Products of Predetermined Length
#44Apparatus for producing helically corrugated metal pipe and related method
#45Spiral pipe machine
#46Canasta for Forming Tubes of Different Diameters
#47Method of producing helically corrugated metal pipe and related pipe construction
#48Spiral pipe machine
#49Method for making a plated steel armouring wire for a flexible tubular pipe transporting hydrocarbons, and armoured pipe