The invention relates to a method of manufacturing a heart valve, comprising: a step of injection moulding a first part (110) of the heart valve from a first block-copolymer, wherein the injection moulding is performed at a temperature below an order-disorder transition temperature of the block copolymer, such that a phase structure is present in the molten block-copolymer; a step of injection moulding a second part (114) of the heart valve from a second block-copolymer that is different to the first block-copolymer, by over-moulding over the first part (110) to form an over-moulded structure, wherein the injection moulding is performed at a temperature below order-disorder transition temperatures for the first and second block copolymers, such that a phase structure is present in the molten second block-copolymer and remains present in the first block-copolymer; and a step of cooling the over-moulded structure, without heating it above the order-disorder transition temperatures between the step of injection moulding the second part (114) and the step of cooling, so as to preserve an arrangement of the phase structures created during the steps of injection moulding and produce anisotropic physical properties in the second part (114). The invention also relates to the thus manufactured heart valve.

Disclosed herein is a cannula system including a soft cannula 10 and a cannula holder for holding the soft cannula. The cannula holder has a compressor and a body. The body contains a mounting structure and a cavity for holding a septum. The soft cannula is threaded on the mounting structure. Furthermore, the compressor circumferentially surrounds the mounting structure and at least parts of the body. The compressor provides an internal material tension for exerting a compression force on the soft cannula and the mounting structure.

An injection molding apparatus according to an embodiment is configured to mold a thermoplastic resin into a thick-walled component by injection molding. The injection molding apparatus includes a mold having a cavity and a core; and a controller configured to control an operation of the mold. The controller is capable of performing a filling and pressure holding process of filling the thermoplastic resin between the cavity and the core in a state in which a distance between the cavity and the core is increased, and a cooling and solidifying process of cooling and solidifying the filled thermoplastic resin while pressurizing the filled thermoplastic resin by decreasing the distance between the cavity and the core. The controller stacks the thermoplastic resin by performing an operation set including the filling and pressure holding process and the cooling and solidifying process a plurality of times.

An insert member (100) heated by a heating device (13) is conveyed, by means of a conveyance device (12), into a mold (51). Next, shaping is performed on the insert member (100) inside the mold (51), with the mold (51) being open by a minute distance. A molding material (91) is injected into the mold (51) and pressed while closing the mold (51) which has been open by the minute distance to thereby mold a molded article (80) including the insert member (100).

A manufacturing apparatus for manufacturing a resin container includes an injection molding part configured to injection-mold a preform, and a temperature adjustment part configured to adjust a temperature of the preform molded in the injection molding part, in which the manufacturing apparatus is configured to blow-mold the preform whose temperature has been adjusted in the temperature adjustment part, the preform is inserted into the temperature adjustment part in a state where an outer surface temperature of the preform is higher than a glass transition temperature of the preform by 30° C. or higher and 60° C. or lower, and the preform is cooled to a predetermined temperature suitable for blow molding in the temperature adjustment part.

A passive horn integrally formed using thermoplastic vulcanized rubber includes a first outer casing, a second outer casing, an inner casing and an iron piece. The first outer casing includes a sealing ring, a folding ring and a vibrating membrane, and the sealing ring, the folding ring and the vibrating membrane are integrally injection molded into the first outer casing. A groove is disposed in the second outer casing, and the first outer casing is disposed in the groove. The back surface of the vibrating membrane is provided with a casing groove sequentially embedded with the inner casing and the iron piece. Furthermore, a preparation method of a passive horn integrally formed using thermoplastic vulcanized rubber, which, under the condition of integrated injection molding, may improve the yield rate, ensure product quality, save assembly time and labor cost, and improve production efficiency.

A resin mixture contains a binder resin and carbon black dispersed in the binder resin. The binder resin contains a polyethylene terephthalate having an imide bond in its molecule and having a density of 1.3345 g/cm.sup.3 or less.

The present invention relates to the field of products known as solid surface. In particular, the present invention relates to a precursor liquid composition of a solid surface material, the solid composition formed from said liquid composition and their manufacturing processes.

A method for producing a preform includes inserting the preform, while still hot after having been injection molded, into a cooling apparatus, which cooling apparatus has an internal space, the inner contours of which conform to the outer contours of the preform. A negative pressure is generated between the inner contours of the internal space (29) and the outer contours of the preform. The injection point created on the preform during injection molding is pushed by the negative pressure to a stamp present on the inner contour and pressed to the stamp.

A method is disclosed for coating field joints of pipeline. The method comprises melting a coating material in an extruder; accumulating the melted coating material in at least one accumulator; injection molding the melted coating material in a mold fit around the exposed field joint; conducting the melted coating material from the extruder, to the accumulator, and to the mold using pipework; and maintaining the coating material melted in the pipework by heating a fluid medium and conduiting the heated fluid medium into heat transfer with the pipework.