38341 ⎘
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 of special shape; Making tube fittings; Making tubes with varying diameter in longitudinal direction conical tubes starting from sheet material
SPIRAL FORMING
#2METHOD AND APPARATUS FOR MANUFACTURING METAL PIPE
#3Tapered structure construction
#4Sheet transitioning in spiral formed structures
#5Control system and method for tapered structure construction
#6METHOD FOR PRODUCING A TOWER SEGMENT AND TOWER SEGMENT
#7Spiral forming
#8Tapered structure construction
#9Tapered spiral welded structure
#10Sheet transitioning in spiral formed structures
#11Sheet transitioning in spiral formed structures
#12Spiral forming
#13Sheet transitioning in spiral formed structures
#14Control system and method for tapered structure construction
#15Tapered spiral welded structure
#16Tapered structure construction
#17Sheet transitioning in spiral formed structures
#18Method of producing shaped article, tooling, and tubular shaped article
#19Tapered spiral welded structure
#20Spiral forming
#21Tapered structure construction
#22Method of manufacturing a sub-muffler outer cylinder
#23Method of manufacturing pipe with different diameter along a longitudinal direction and die for forming
#24Tapered spiral welded structure
#25Tower production method
#26Method for manufacturing refrigerant guide tube of heat exchanger, refrigerant guide tube manufactured using the method and heat exchanger with the refrigerant guide tube
#27Tapered structure construction
#28TOWER PRODUCTION METHOD
#29Energy absorber for a bumper assembly of a vehicle and method for the manufacture thereof
#30Tapered spiral welded structure
#31Process and apparatus for producing a hollow body, and hollow body
#32SPIRALLY WELDED CONICAL TOWER SECTIONS
#33Process of producing profiles whose cross-section is variable in the longitudinal direction
#34Method for forming a complex-shaped tubular structure
#35Method for producing from a metal sheet a hollow profile which is longitudinally slotted and provided with several longitudinal segments having different cross sections
#36Continuous process of roll-forming pre-stamped varying shapes
#37Continuous process of roll-forming stamped sheet
#38System and method for manufacturing steel tapered poles
#39Process of producing profiles whose cross-section is variable in the longitudinal direction
#40Process for press forming metal tubes
#41Apparatus and method for forming duct members