A pressure vessel having a hollow body wound with a continuous filament, whereby the filament is embedded in a thermoplastic matrix, is provided, as well as a method for producing such a vessel. The method involves: (i) wrapping a hollow body with at least one continuous filament; (ii) impregnating the filament winding with a polymerizable mixture, whereby the wound body is inside a mold that surrounds the wound body; and (iii) polymerizing the polymerizable mixture in order to form a plastic matrix that embeds the filament winding.

A softball or baseball bat with modified restitution characteristic is provided. The bat can comprise a substantially rigid core coupled with a single or multi-piece sleeve. The core can comprise a tip end, a barrel taper, a handle taper, and a handle. The sleeve can slide over the handle portion and can be pressed, molded, or adhered to the barrel taper. The resilient sleeve can be sized and shaped such that the sleeve portion is substantially the same diameter as the tip end. The sleeve can comprise a material capable of impact absorption. The sleeve can have a composite structure with inner and outer sleeve components. The sleeve can further comprise a cone to taper the sleeve in the handle taper portion of the bat. The material and thickness of the sleeve and the core can be varied to meet applicable restitution requirements.

A resin molding method according to the present invention is a resin molding method that fills a space between an insertion hole provided in a workpiece and a member to be fixed inserted into the insertion hole with resin, the method comprising: injecting a first tablet formed of thermosetting resin having a first temperature into a position of a pot far from the workpiece, the pot pouring the resin into the workpiece and being provided in a molding die, injecting a second tablet formed of thermosetting resin having a second temperature higher than the first temperature into a position of the pot close to the workpiece; pouring the thermosetting resin into the insertion hole of the workpiece in an order of the second tablet and the first tablet by a plunger that slides in the pot.

A method and apparatus are for coating a field joint of a pipeline. The method includes positioning a mold tool around the field joint to define a mold cavity, positioning an insert to lie within the mold cavity, and injecting plastics material into the mold cavity to embed the insert in the plastics material. The apparatus has a mold tool positionable around the field joint to define a mold cavity, and an insert positionable within the mold cavity to be embedded in plastics material injected into the mold cavity. Use of an insert in this way reduces the volume of the molten thermoplastics material required to coat the field joint, thereby increasing the interface area of the melt relative to its volume, to the benefit of cooling time.

The present disclosure relates to a check rail for a rail suspension in a vehicle. The check rail may include a check rail body, and a ball-and-socket joint pan formed in the check rail body, wherein the ball-and-socket joint pan may include a circumferential inner wall and a receiving opening, with a ball-and-socket joint pin with an articulated ball in the ball-and-socket joint pan, and with a plastic injection layer configured to embed the articulated ball in the ball-and-socket joint pan between the circumferential inner wall of the ball-and-socket joint pan and the articulated ball.

A method of coating a field joint and a coated field joint formed thereby. The field joint coating includes a first thermal insulation material injection molded over the uncoated field joint to form a first layer, and a second thermal insulation material injection molded over the first layer to form a second layer. The second material has a greater flexibility than the first material and a lower maximum operating temperature than the first material. In certain embodiments, the second material forms a significant part of the volume of the field joint coating.

A method for producing an induction connection sleeve includes laying up a first induction heating element in a first injection-mold half; laying up a second induction heating element in a second injection-mold half; mutually compressing the first and second injection-mold halves; injecting a thermoplastic plastics material into first and second molding cavities; opening the first and the second injection-mold halves; ejecting an internal part of a sleeve body having induction heating elements from one of the injection-mold halves; laying up the internal part of the sleeve body having the induction heating elements in a third injection-mold half; closing a third molding cavity; injecting a thermoplastic plastics material into the third molding cavity; opening the third molding cavity; and ejecting the finished induction connection sleeve.

A manufacturing method of a massage device and a massage device are provided. The method includes S10: preparing materials; S20: assembling a first mold core into an outer mold; S30: injecting a soft outer body raw material into the outer mold; S40: after the soft outer body raw material is shaped, taking out the first mold core; S50: coating a front end and a rear end of an exterior of a bushing with an adhesive, and fully adhering the bushing to a front end and a rear end of the first cavity through the bushing inserting jig; S60: injecting a soft filler raw material into the bushing; S70: placing a suction cup forming mold on a top of the outer mold; S80: placing a shaped product in an oven for baking; and S90: injecting lubricating oil into the enclosed space formed between the bushing and the first cavity.

We describe a method of manufacturing a housing for the stator of an axial flux permanent magnet machine, the machine having a stator comprising a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: fabricating a radial wall for said stator housing to be located in said gap between said rotor and said stator by: placing a resin membrane into a mold of an injection molding machine; injection molding a set of reinforcing features onto said membrane using a thermoplastic polymer bondable when molten with said resin; and manufacturing said housing using said radial wall.

Helically winding an extruded web to form a wall of a heated hose about a central axis, extruding a bead of plastics material around a heating wire such that the extruded bead comprises the heating wire at a first location within a cross-section of the extruded bead, helically winding the extruded bead onto the wall of the hose to provide a support helix, and exerting tension on the heating wire to draw down the heating wire toward the central axis such that the heating wire migrates radially inward from the first location to a second location within the cross-section of the extruded bead.