Spiral forming methods can be used to join edges of a rolled material along a spiral joint to form conical and/or cylindrical structures. Alignment of the edges of the rolled material can be controlled in a wrapping direction as the material is being joined along the spiral joint to form the structure. By controlling alignment of the edges of the material as the edges of the material are being joined, small corrections can be made over the course of forming the structure facilitating control over geometric tolerances of the resulting spiral formed structure.

Spiral forming methods can be used to join edges of a rolled material along a spiral joint to form conical and/or cylindrical structures. Alignment of the edges of the rolled material can be controlled in a wrapping direction as the material is being joined along the spiral joint to form the structure. By controlling alignment of the edges of the material as the edges of the material are being joined, small corrections can be made over the course of forming the structure facilitating control over geometric tolerances of the resulting spiral formed structure.

An elongate tape element, a flexible pipe body and method of producing a flexible pipe body are disclosed. The tape element (508) has a cross-sectional profile comprising a body portion (510) for being positioned between collapse resistant tape windings (501) such that each body portion (510) lies at least partially in a gap (512) between adjacent collapse resistant tape windings (501); and at least one wing portion (516) extending from an end region of the body portion, the at least one wing portion configured to span the gap and respectively abut with a radially inner surface of an adjacent collapse resistant tape winding.

A method and apparatus are disclosed. The method includes the steps of providing an elongate sheet having a uniform thickness and a first and further spaced apart long edge, to a first pair of a plurality of spaced apart pairs of opposed forming roller elements, and via the pairs of roller elements, progressively forming a cross-sectional profile in the sheet that comprises a body portion comprising a folded central region of the sheet and a first and further wing portion that each extend away from the body portion and terminate at a respective long edge of the sheet, and securing adjacent regions of the wing portions and/or opposed regions of the body portion together thereby providing a windable elongate tape element having laterally immobilised wing portions.

An assembly for an armouring machine may include a support disk, the support disk defining a central opening for receiving a pipe and a plurality of perimeter openings for receiving a plurality of strips, and the support disk being rotatable about a longitudinal axis passing through the central opening. The assembly may further include a guide plate surrounding the longitudinal axis and including a plurality of guide structures, the guide structures being positioned for receiving the strips as they move downstream from the support disk. The assembly may further include an actuation device that is mechanically coupled to the guide plate, where actuation of the actuation device causes rotation of the guide plate with respect to the support disk.

An object of the present disclosure is to provide an elbow-shaped duct manufacturing apparatus in which the height of a forming section is easily adjusted as a duct vane forming part has an up and down detachable structure.

An automatic formation device or an automatic formation system sets an equipment operation time from a required manufacturing time per product during the manufacturing of tubes having a round, polygonal, or oblong cross-section, wherein values are calculated from a product diameter (D), and a pitch (P), a product length (L) and a preset time (T) of a metal band plate to be wound, operations of respective components are controlled on the basis of the calculated values while the respective values are being controlled, and the metal band plate is held by a chuck that is disposed on the tip side of a winding core member and rotates in a synchronized manner so as to prevent loosening of the wound metal band plate by tightening/untightening the metal band plate as needed. Also, a rotation speed correction function for a motor system is added.

An automatic formation device or an automatic formation system sets an equipment operation time from a required manufacturing time per product during the manufacturing of tubes having a round, polygonal, or oblong cross-section, wherein values are calculated from a product diameter (D), and a pitch (P), a product length (L) and a preset time (T) of a metal band plate to be wound, operations of respective components are controlled on the basis of the calculated values while the respective values are being controlled, and the metal band plate is held by a chuck that is disposed on the tip side of a winding core member and rotates in a synchronized manner so as to prevent loosening of the wound metal band plate by tightening/untightening the metal band plate as needed. Also, a rotation speed correction function for a motor system is added.

A method and a device for producing strip wound tube products are disclosed. According to the method, a winding machine winds a strip to produce a strip wound tube and a finishing machine cuts off pieces of desired length from the strip wound tube and connects strip layers in the end sections of the strip wound tube product by way of a joining operation. The finishing machine has a mobile operating head and/or a force decoupling unit.

Spiral forming methods can be used to join edges of a rolled material along a spiral joint to form conical and/or cylindrical structures. Alignment of the edges of the rolled material can be controlled in a wrapping direction as the material is being joined along the spiral joint to form the structure. By controlling alignment of the edges of the material as the edges of the material are being joined, small corrections can be made over the course of forming the structure facilitating control over geometric tolerances of the resulting spiral formed structure.