A workpiece heating system includes an outer shell configured to receive a mandrel having a mandrel partside configured to support a workpiece. A gas displacement device is configured to discharge a gas toward a mandrel backside. At least one heat exchanger is configured to heat the gas prior to the gas entering the gas displacement device. A hood system is configured to at least partially envelope the mandrel when positioned within the outer shell. A hood first wall and the mandrel backside define a first annular gap configured to receive the gas discharged from the gas displacement device, and direct the gas axial from the mandrel proximal end to the mandrel distal end. A hood second wall and the mandrel partside define a second annular gap configured to receive the gas from the first annular gap and direct the gas axial from the mandrel distal end to the mandrel proximal end.

The present invention provides a device which can uniformize heat distribution by using an existing heater mat for repairing or joining members. A heat dispersion device includes a bag with a fluid sealed inside, and is disposed on a second surface of a heater mat which has a first surface to be directed toward an object to be heated and the second surface opposite to the first surface. The fluid inside the bag is preferably heated with a heat source.

The present invention provides a device which can uniformize heat distribution by using an existing heater mat for repairing or joining members. A heat dispersion device includes a bag with a fluid sealed inside, and is disposed on a second surface of a heater mat which has a first surface to be directed toward an object to be heated and the second surface opposite to the first surface. The fluid inside the bag is preferably heated with a heat source.

The subject of the invention is a device for curing inner linings dragged into pipelines in the form of tubes impregnated with a UV resin. The device is equipped with a central segment of a rotating housing (1), having the form of a monolithic solid with cross-section of the shape similar to a square with two opposite sides (2 and 3) being rounded and provided with radiators (21) on their outer arched surfaces, while LEDs (17) are installed on the two other flat faces (14) of the solids; moreover, the rotating housing (1) is coupled, via a gear transmission (40), with an electric motor (39) setting said housing in rotational motion, whereas the housing has also an coaxial straight-through assembly hole (4) for electric connectors. Outer wall of said assembly hole is elongated and has side two-step annular offsets (5 and 6) and (7 and 8), with ball bearings (9) mounted on annular offsets (5 and 7) of the rotating housing (1), whereas a front annular stabilising lid (10) and a rear annular stabilising lid (10) are mounted on the front annular offset (6) and on the rear annular offset (8) of the housing. Upper inner ends of said stabilising rings are provided with annular recesses (11) in which a sleeve-shaped shield (13) made of quarts glass is permanently mounted to protect tightly both LEDs (17) and the two radiators (21) of the rotating housing (1).

A processing apparatus such as a heating and/or debulking apparatus that may be used to debulk a plurality of uncured composite layers to form an article such as an aircraft component may include a plurality of interconnected smart susceptor heater blankets. The plurality of smart susceptor heater blankets may be connected in series or in parallel, and may be controlled to uniformly heat the component during formation.

Repair materials made of at least unvulcanized rubber are applied on a repair site of a damaged part of a tire, heating pads are applied on surfaces of the repair materials, wood pieces or other stuffing members differing in size are stuffed inside the tire, in a tire circumferential in tire circumferential direction where the repair materials are applied. The tire circumferential is fastened and pressed from surroundings by bands, and the repair site is heated by the heating pads to vulcanize the unvulcanized rubber of the repair materials, to thereby repair the tire. This repair method provides a low-cost tire repair method capable of maintaining the shape of the tire at the time of pressing and vulcanization, in various kinds of tires.

Repair materials made of at least unvulcanized rubber are applied on a repair site of a damaged part of a tire, heating pads are applied on surfaces of the repair materials, wood pieces or other stuffing members differing in size are stuffed inside the tire, in a tire circumferential in tire circumferential direction where the repair materials are applied. The tire circumferential is fastened and pressed from surroundings by bands, and the repair site is heated by the heating pads to vulcanize the unvulcanized rubber of the repair materials, to thereby repair the tire. This repair method provides a low-cost tire repair method capable of maintaining the shape of the tire at the time of pressing and vulcanization, in various kinds of tires.

A method of forming a build in a powder bed includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build; and simultaneously melting powder in the powder bed corresponding to the pattern of the layer of the build. An apparatus for forming a build in a powder bed includes a diode laser fiber array including a plurality of diode lasers and a plurality of optical fibers corresponding to the plurality of diode lasers, each optical fiber configured to receive a laser beam from a respective diode laser and configured to emitting the laser beam; a support configured to support a powder bed or a component configured to support the powder bed at a distance from ends of the optical fibers; and a controller configured to control the diode laser fiber array to emit a plurality of laser beams from selected fibers of the diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build and simultaneously melt the powder in the powder bed corresponding to the pattern of the layer of the build.

A method of forming a build in a powder bed includes emitting a plurality of laser beams from selected fibers of a diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build; and simultaneously melting powder in the powder bed corresponding to the pattern of the layer of the build. An apparatus for forming a build in a powder bed includes a diode laser fiber array including a plurality of diode lasers and a plurality of optical fibers corresponding to the plurality of diode lasers, each optical fiber configured to receive a laser beam from a respective diode laser and configured to emitting the laser beam; a support configured to support a powder bed or a component configured to support the powder bed at a distance from ends of the optical fibers; and a controller configured to control the diode laser fiber array to emit a plurality of laser beams from selected fibers of the diode laser fiber array onto the powder bed, the selected fibers of the array corresponding to a pattern of a layer of the build and simultaneously melt the powder in the powder bed corresponding to the pattern of the layer of the build.

Methods systems and apparatuses for reducing or substantially eliminating distortion in a transparent substrate in situ are disclosed.