A three-dimensional object molding method and molding device, where the method includes the following steps: forming a powder particle layer, wherein the powder particle layer at least contains thermosetting powder particles capable of undergoing thermal polymerization; spraying a photocurable material onto the powder particle layer according to layer printing data, such that the photocurable material covers at least part of the powder particle layer and permeates into this layer; curing the photocurable material to form a slice layer; repeating the steps to obtain a plurality of slice layers, and stacking the plurality of slice layers layer-by-layer to form a three-dimensional object green body; and heating the green body to thermally polymerize the thermosetting powder particles so as to obtain the three-dimensional object. The method provided in the present application enables the obtained three-dimensional object to have very good mechanical properties and a high molding accuracy.

A method for reconditioning a rollable wheel includes coupling a polymeric wheel to a reconditioning system, the polymeric wheel having an outer surface including an abraded area, the abraded area having a first average surface roughness, and applying heat to the abraded area of the outer surface with one or more heater of the reconditioning system, such that a substantial portion of the abraded area is transformed to have a second average surface roughness, the second average surface roughness less than the first average surface roughness.

An apparatus for forming an object comprises an extruding device (2) for supplying a continuous extrudate of polymeric material, at least one separating element for cutting the continuous extrudate thereby separating a dose (6; 106) of polymeric material from the continuous extrudate, at least one mould (5; 105; 205; 305; 405) comprising a first mould part (9; 109; 209; 309) and a second mould part (8; 108; 508) which are movable relative to one another between an open position, in which the dose (6; 106) is rested on a receiving part selected from the first mould part (9; 109; 209; 309) and the second mould part (8; 108; 508), and a closed position, in which a forming chamber is defined between the first mould part (9; 109; 209; 309) and the second mould part (8; 108; 508), the forming chamber having a shape corresponding to said object. The apparatus further comprises a thermal conditioning device (11; 111; 211; 311; 411) configured to act on the dose (6; 106) while the dose (6; 106) is positioned in said at least one mould (5; 105; 205; 305; 405) and before the closed position is reached, by thermally conditioning at least one surface portion (20; 120) of the dose (6; 106) which is distinct from a resting portion (17; 117) of the dose (6; 106) which is resting on the receiving part.

A forming apparatus is equipped with (i) a conveyance unit configured to convey a formation sheet, that expands due to irradiation with electromagnetic waves, along a conveyance path in a state in which tension for causing bending in accordance with a conveyance path that is convexly bent is applied, and (ii) an irradiation unit configured to irradiate with the electromagnetic waves the formation sheet during conveyance by the conveyance unit in the state in which the tension is applied.

An apparatus for internal heating of end portions of pipes made of thermoplastic material having a central axis including a heating element, designed to be inserted at least partially inside an end portion of a pipe made of thermoplastic material for heating an inner cylindrical surface of the portion, the heating element including an infra-red radiation unit designed to face at least partially the inner cylindrical surface.

A device includes an electromagnetic radiation delivery system such as a laser of light emitting diode infrared emitter configured for delivery of electromagnetic radiation within a sealed canal such as an ear canal, a fiber optic cable configured for delivering or capturing the electromagnetic radiation within the sealed canal, and a photo detector coupled to the fiber optic cable forming a portion of a voice communication system. Other embodiments are disclosed.

A system for treatment of a multi-layered cushioning product includes at least one web layer and at least one expandable layer including a water-based heat-expandable adhesive (WBHEA), comprising: (a) at least one radiator module for irradiating the multi-layered cushioning product including at least one emitter, such as a filament, panel or the like, emitting infrared radiation at an operative temperature of at least 600° C. and at most 3000° C. wherein the at least one radiator module having a power output density of at least 10 kW/m2 and/or at most 300 kW/m2 and (b) a conveyor for moving the, cushioning product relative to the at least one radiator module.

Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.

The method of the present invention for producing a shaped film includes a step of arranging a thermoplastic resin film to divide a space into a first space located on one surface side of the film, and a second space located on the other surface side, a step of heating the thermoplastic resin film, a step of curving the thermoplastic resin film in one space by using a difference in pressure between the first space and the second space, a step of stopping the curving step of the thermoplastic resin film in a state where at least a convex curved surface of both surfaces of the film is exposed into the space, and a step of cooling the curved film.

A method of cutting or scoring a substrate comprises: providing a substrate which has a maximum of radiation absorption at a first wavelength band; depositing on the substrate, in a predetermined pattern, a heating fluid which has a maximum of radiation absorption at a second wavelength band; and exposing a surface region of the substrate to electromagnetic radiation at the second wavelength band, the surface region including the predetermined pattern, to cut or mark the substrate along the predetermined pattern. The first wavelength band differs from the second wavelength band.