38512 ⎘
Bending not restricted to forms of material mentioned in only one of groups , , ; Bending not provided for in groups - ; Twisting Bending into helical or spiral form; Forming a succession of return bends, e.g. serpentine form
Sub-classes:METHOD OF MANUFACTURE OF A REINFORCED PIPE
#2METHOD OF MANUFACTURING ARMATURE
#3TENSIONING DEVICE FOR WINDING METAL TUBES INTO A COIL
#4Helically coiled heat exchange array
#5Entwined tubular arrangements for heat exchangers and counterflow heat transfer systems
#6Directed decoupling between bundle and core tube in wound heat exchangers
#7Method for manufacturing complex-curvature tubular products, such as elm coils
#8Helicoidal blade manufacturing system and method
#9Device for the production of appropriately configured roll assemblies of expanded aluminium mesh adapted to efficiently fill fuel containers
#10MANUFACTURING METHOD OF AN UNEQUAL-TORQUE COIL SPRING AND A MANUFACTURING MACHINE THEREOF FOR A CURTAIN SPRING MOTOR
#11ROLL BENDING MACHINE
#12Stove, flame port structure disposed in a stove and method of making flame port structure
#13Centrifugal air separator coil manufacturing methods
#14Method and apparatus for forming a helical type flight
#15Entwined tubular arrangements for heat exchangers and counterflow heat transfer systems
#16Bending device for a wire
#17Machine for the production of coiled gaskets
#18Coreless auger manufacture
#19Method for determining a strength of a tube bundle heat exchanger, and production method
#20Helical bending device
#21APPARATUS AND METHOD FOR FORMING A SCREW FLIGHT
#22Apparatus for manufacturing elbow-shaped duct
#23Jewelry mandrel pliers and method of using same
#24Centrifugal air separator coil manufacturing tools and methods
#25Method and system for producing open or closed annular structural components made of light metal and alloys thereof
#26Apparatus for deforming a metal bar having a rectangular section up to obtaining a metal bar having a trapezoidal or hexagonal section, and a system and a method for realising a spiral, starting from a metal bar having a rectangular section
#27Method and apparatus for forming a helical tube bundle
#28Machine for working ribbon-shaped elements
#29Method and appraratus for forming a helical tube bundle
#30Apparatus and method for bending and winding conductors to make superconductive coils
#31Systems and methods for forming a pipe carcass using multiple strips of material
#32Screw conveyors, augers, and flighting for use therein
#33Apparatus and method for forming a screw flight
#34Heat exchanger and method for its manufacture
#35Hollow coil spring and method for manufacturing same
#36Nested helical fin tube coil and associated manufacturing methods
#37PRODUCTION METHOD OF HOT ROLLED STEEL SHEET AND PRODUCTION METHOD OF HOT-DIP GALVANIZED STEEL SHEET
#38Bending machine for helically bending an elongated workpiece
#39Manufacturing method of heat pipe type heat-dissipating device
#40Manufacturing apparatus and method of spiral duct including elbow
#41Assembling method for metal honeycomb-shaped catalyzer carrier and assembling apparatus for the same
#42Apparatus and Process for Producing Metallic Honeycomb Bodies with at Least One Shaping Segment, Honeycomb Structure Produced by the Apparatus or the Process and Vehicle Having the Honeycomb Structure
#43Tool to manipulate wrought iron
#44Method for the manufacturing of a fluid conduit, particularly a fluid conduit in a COrefrigeration system
#45Rectangular wire coiling machine
#46Heat exchanger fins and method for fabricating fins particularly suitable for stirling engines
#47Multi-tube in spiral heat exchanger
#48Apparatuses and methods for fabricating wire current collectors and interconnects for solar cells