A method of producing a wind turbine rotor blade. The wind turbine rotor blade has at least an inner blade portion and an outer blade portion, as well as a connecting element. The inner blade portion is wound on a winding form having a first and a second winding portion. The first and second winding portions are releasably fixed to each other by way of a screw connection. The second winding portion is of a conical configuration so that after winding of the inner blade portion a sleeve is produced at an end of the inner blade portion.

There is provided a manufacturing method of a tank. The manufacturing method comprises a cooling process of cooling down a resin-adhering fiber bundle that has a resin adhering to a fiber bundle; and a winding process of winding the resin-adhering fiber bundle that is cooled down by the cooling process, on a rotating liner. The cooling process cools down the resin-adhering fiber bundle to make a temperature of the resin-adhering fiber bundle that is being wound on the liner in the winding process, equal to or lower than a set temperature which is set in advance as a temperature to provide a viscosity of the resin that prevents the resin from being splashed from the resin-adhering fiber bundle by rotation of the liner in a course of winding the resin-adhering fiber bundle on the liner.

There is provided a manufacturing method of a tank. The manufacturing method comprises a cooling process of cooling down a resin-adhering fiber bundle that has a resin adhering to a fiber bundle; and a winding process of winding the resin-adhering fiber bundle that is cooled down by the cooling process, on a rotating liner. The cooling process cools down the resin-adhering fiber bundle to make a temperature of the resin-adhering fiber bundle that is being wound on the liner in the winding process, equal to or lower than a set temperature which is set in advance as a temperature to provide a viscosity of the resin that prevents the resin from being splashed from the resin-adhering fiber bundle by rotation of the liner in a course of winding the resin-adhering fiber bundle on the liner.

A system and method are provided for conditioning paint roller cover fabric inline in a continuous paint roller manufacturing process. The system and method provide an inline fabric conditioning unit upstream of the point in the process that the paint roller fabric cover strip is wrapped about the outer side of the outer strip, the fabric conditioning unit including a fabric conditioning device that conditions the paint roller fabric cover strip as it is being fed towards the outer side of the outer strip. The fabric conditioning unit may be used to perforate the fabric, to remove loose fibers from the fabric side of the paint roller fabric cover, to buff the paint roller fabric, and to orient the paint roller cover fibers. The continuous paint roller manufacturing process includes steps of feeding an inner strip and an outer strip towards a mandrel, wrapping the inner strip and the outer strip about the mandrel in offset relation, applying a strip adhesive to at least a portion of an outer side of the inner strip and at least a portion of an outer side of the outer strip, feeding a paint roller fabric cover strip having a fabric side and a backing side towards the outer side of the outer strip, the fabric side comprising loose fibers and attached fibers, forming a paint roller tube by wrapping the paint roller fabric cover strip about the outer strip at a point in the process after the strip adhesive has been applied to the outer side of the outer strip such that the backing side contacts the strip adhesive, applying compression to the paint roller tube, and cutting the paint roller tubes into like lengths.

A process and system for manufacturing roller blinds is provided which includes structure for performing plural steps including a first step of helically winding slat fabric about a drum, thereby forming a slat product. A second step includes moving the slat product from the drum to a platform. A third step includes winding the slat product about a roller tube to form a roller blind. A fourth step includes moving the blind from the platform to a heat treating device.

A method includes: extruding a continuous web of plastics material from an extruder of a hose making apparatus; helically winding the extruded web about a mandrel or at least one rotating rod of the hose making apparatus to form a wall of the hose about a central axis of the hose; extruding a continuous bead of plastics material to have a cross-section that defines a lumen at a location within the cross-section; cooling the extruded bead sufficiently to cool the plastics material adjacent the location within the cross-section of the extruded bead to cause the lumen to retain its size and shape within the cross-section; re-heating the extruded bead sufficiently to cause outer surface portions of the plastics material of the extruded bead to become molten; and helically winding the extruded bead onto and about an external surface of the wall to provide the wall a support helix.

A method includes: extruding a continuous web of plastics material from an extruder of a hose making apparatus; helically winding the extruded web about a mandrel or at least one rotating rod of the hose making apparatus to form a wall of the hose about a central axis of the hose; extruding a continuous bead of plastics material to have a cross-section that defines a lumen at a location within the cross-section; cooling the extruded bead sufficiently to cool the plastics material adjacent the location within the cross-section of the extruded bead to cause the lumen to retain its size and shape within the cross-section; re-heating the extruded bead sufficiently to cause outer surface portions of the plastics material of the extruded bead to become molten; and helically winding the extruded bead onto and about an external surface of the wall to provide the wall a support helix.

A process and system for manufacturing roller blinds is provided which includes structure for performing plural steps including a first step of helically winding slat fabric about a drum, thereby forming a slat product. A second step includes moving the slat product from the drum to a platform. A third step includes winding the slat product about a roller tube to form a roller blind. A fourth step includes moving the blind from the platform to a heat treating device.

A process and system for manufacturing roller blinds is provided which includes structure for performing plural steps including a first step of helically winding slat fabric about a drum, thereby forming a slat product. A second step includes moving the slat product from the drum to a platform. A third step includes winding the slat product about a roller tube to form a roller blind. A fourth step includes moving the blind from the platform to a heat treating device.

The present invention describes a method for producing a leak-tight vessel for holding a gas and/or liquid, comprising the steps of winding a heat-sealable thermoplastic barrier strip around a removable mandrel in such a way that each strip fragment overlaps with a substantially parallel strip fragment over at least a lateral overlapping distance, consolidating the overlapping strip fragments so as to form a gas and/or liquid tight layer, winding a fibrous material around the gas and/or liquid tight layer, thereby leaving an opening large enough for removing the mandrel. The invention also describes a leak-tight vessel produced in this way.