The invention relates to a fastening element for fastening to a workpiece, said fastening element comprising at least a first workpiece element having a first opening and a second workpiece element having a second opening aligned with the first opening, wherein the fastening element has a first contact section having a first contact surface for contact with a region of the first workpiece element surrounding the first opening and a second contact section having a second contact surface for contact with a region of the second workpiece element surrounding the second opening, with the first contact section and the second contact section being connected to one another by means of a reshaping section, and with a rivet section extending from the second contact section in a direction facing away from the reshaping section. The invention further relates to a corresponding component assembly and to a method of manufacturing such a component assembly.

The present disclosure provides a high-efficiency filament helical winding device, which includes a frame body and a plurality of multi-filar guides. The frame body is provided with a through-hole, the plurality of multi-filar guides distributed in a circumference along a center of the through-hole are rotationally connected to the frame body and filament is extended out from each multi-filar guide in the plurality of multi-filar guides, and the frame body is provided with a first driving mechanism that drives each multi-filar guide to rotate.

An assembly is configured for use in a system for forming filament windings on a vessel having a circumference and a length. The assembly includes an endless belt and first and second rollers. The endless belt is configured to wrap partially around the circumference of the vessel to contact and impart pressure on a filament winding disposed on an outside surface of the vessel. The endless belt moves around the first and second rollers. A space is disposed between the first and second rollers to allow a filament wind eye of the system to move in a reciprocal motion along the length of the vessel. A method of using a machine for forming filament windings on a vessel having a circumference and a length is also described.

Disclosed are a composite layer, a composite layer lamination and a method of manufacturing a composite layer. The composite layer includes: a resin core formed in a plate-shape and comprising with a plurality of guide protrusions protruding along an edge of the resin core as being spaced apart at a predetermined distance from each other and a plurality of guide notches between the plurality of guide protrusions; and a reinforcing fiber wound around the resin core via the plurality of guide notches functioning as a guide for the reinforcing fiber.

The present disclosure provides a winding device for producing a fiber composite loop chain and a winding method, and belongs to the field of production equipment. The problem that an existing composite loop chain forming technology has tension defects is solved. The winding device includes a main shaft assembly, a clamp pushing-in mechanism, travel switch assemblies, a mold pushing mechanism, a clamp pulling-out mechanism, a positioning and clamping mechanism and a tension control mechanism which are fixedly connected to a rack. The main shaft assembly includes a driving mechanism, a bearing pedestal, a rotating main shaft, clamp sliding shafts and a supporting block. The driving mechanism is connected with one end of the rotating main shaft, and the other end of the rotating main shaft is connected with the supporting block. The rotating main shaft is connected with the bearing pedestal through a bearing, and the bearing pedestal is fixed to the rack. Two clamp sliding shafts are provided. The two clamp sliding shafts are symmetrically arranged along the rotating main shaft and are in sliding connection with the supporting block, and clamps are installed on the clamp sliding shafts. The winding device and the winding method are mainly used for producing the fiber composite loop chain.

A manufacturing device of a membrane-electrode assembly for fuel cell includes a membrane unwinder unwinding and supplying a polymer electrolyte membrane of a roll shape; a film unwinder unwinding and supplying a release film of a roll shape respectively coated with an anode catalyst electrode layer and a cathode catalyst electrode layer with a predetermined interval in an upper and lower sides of the polymer electrolyte membrane; upper and lower bonding rolls respectively disposed at the upper and lower sides of a progressing path of the polymer electrolyte membrane and the release film and pressed to an upper surface and a lower surface of the polymer electrolyte membrane; and a protection film unwinder unwinding and supplying a protection film between adhered surfaces of the release film and the upper and lower bonding rolls.

With regard to a filament winding device in which a plurality of fiber bundles are simultaneously wound around a liner, a tension detecting portion and a tension adjusting portion are miniaturized, the cost of the tension detecting portion and the tension adjusting portion is reduced, and the tension detecting portion and the tension adjusting portion are easily arranged. Provided is a filament winding device 100 that includes a tension adjusting portion 110 that collectively adjusts tension of a plurality of fiber bundles F unreeled from a plurality of bobbins B and an unreeling failure detecting portion 130 that individually detects the unreeling failure of the fiber bundles F on the bobbins B for each bobbin B.

A winding method and apparatus for producing a consolidated metal matrix composite is described. The methods are directed to winding softened metal matrix composite tape and layering the resulting softened metal matrix composite tape onto a rotating mandrel in a prescribed pattern on the surface of the mandrel to form a consolidated metal matrix composite. Upon cooling, the matrix metal solidifies and the resulting consolidated metal matrix composite may be removed from the mandrel. The consolidated metal matrix composites may be produced in a variety of shapes, such as cylinder, a tapered cylinder, a sphere, an ovoid, a cube, a rectangular solid, a polygonal solid, and panels.

The disclosure provides a hose manufacturing machine, which includes a spool and a pintle assembly. The spool rotates about a central axis. The pintle assembly includes a spindle and a brake arrangement. A first end of the spindle is attached to the spool along the central axis. The brake arrangement includes a brake disc and a force plate. The brake disc includes a brake surface and is attached to a second end of the spindle. The force plate includes a number of brake pads. The brake pads has a relatively higher wear coefficient than the brake disc. The brake pads of the force plate contact the brake surface of the brake disc to at least partially restrict the rotational motion of the spool.

The disclosure relates to a tape laying apparatus configured to lay prepreg tape to mould surface. The tape laying apparatus includes a tape supply spool, a compaction head, a cutting tool and at least one travel distance adjustment component. The tape supply spool is configured for the prepreg tape to be wound thereon. The compaction head is configured for delivering the prepreg tape to the mould surface from the tape supply spool. The cutting tool is movable along a cutting path. The cutting tool is configured to cut the prepreg tape passing through the cutting path. The at least one travel distance adjustment component is movably located between the cutting path and the compaction head and configured to push the prepreg tape passing through the cutting path so as to increase or decrease a travel distance of the prepreg tape from the cutting path to the compaction head.