Patent classifications
B29C35/0277
Oven for manufacturing a mineral wool product
An oven for baking a thermally curable binder in a mat of mineral fibers, including plural compartments through which the mat of fibers passes successively, the mat being compressed and transported through the compartments by gas-permeable upper conveyors and lower conveyors, each compartment having a length along a direction of movement of the mat and including a mechanism introducing a hot air flow, located either below or above the fiber mat, and a mechanism extracting the air after having passed through the mat, respectively arranged either above or below the opposite face of the mat, so that the binder is progressively brought to a temperature higher than its curing temperature. In one compartment the mechanism introducing hot air includes air inlets that open partly on openings formed on a first lateral side of the compartment and partly on openings formed on the opposite lateral side of the compartment.
Chain wheel transmission guide mechanism for use in condom production
A chain wheel transmission guide mechanism for use in condom production having a rack and a mold frame. The rack is provided with a chain wheel assembly and an auxiliary rail assembly arranged in parallel with a chain of the chain wheel assembly. The auxiliary rail assembly has an upper load bearing guide rail and a lower limiting guide rail respectively disposed on the top and bottom of the rack. The chain wheel assembly has a chain wheel and a chain connected to the mold frame, and the mold frame is movably and cooperatively connected to an auxiliary rail assembly through a sliding part.
Heat setting optical films
A method of making an optical film includes providing a film, substantially uniaxially orienting the film, and heat setting the oriented film. The film includes a polymeric material capable of developing birefringence.
Method and system for variable heat sources for composite fiber placement
An automated fiber placement (AFP) system includes a tool head with a compaction roller and a first variable heat source. The compaction roller is configured to receive at least one of a fiber and a plurality of fibers formed as a laydown tape, and is controlled to apply the laydown tape to a workpiece at a predetermined speed and direction. The first variable heat source is configured to apply a first amount of heat to the laydown tape. The first amount of heat applied is related to the predetermined speed. The AFP system further includes a second variable heat source configured to apply a second amount of heat to the workpiece. The second amount of heat applied is related to at least one of: a position on the workpiece, a thickness of the workpiece at that position, and a separation distance between the second variable heat source and the workpiece.
Method and system for producing a reinforcing bar, and resulting reinforcing bar
A method for producing a reinforcing bar by pultrusion, the method comprising the steps of: a) providing a source of fibres; b) assembling the fibres into a bundle; c) impregnating the bundle with a thermosetting resin; d) eliminating excess resin from the bundle; e) compressing the bundle in a centripetal manner; f) exposing the bundle to a radiant energy source; g) spraying particles onto a surface of the bundle; and h) exposing the bundle to radiation in order to initiate, on the surface of same, the polymerisation of the resin. The present invention also concerns a system provided with corresponding devices in order to be able to implement the method. The present invention also concerns a reinforcing bar obtained with the described method and/or system.
METHOD FOR MOLDING THREE-DIMENSIONAL FOAM PRODUCTS USING A CONTINUOUS FORMING APPARATUS
A continuous forming apparatus for molding foam material into foam products that includes a first endless belt and a second endless belt that cooperates with the first endless belt to mold the foam material. The continuous forming apparatus may also include a first plurality of cleats and a second plurality of cleats opposed to the first plurality of cleats that support the first endless belt and the second endless belt respectively. The first plurality of cleats may include a three-dimensional abutment surface that provides transverse and lateral support to the first endless belt. Additionally, the continuous forming apparatus may include a first frame disposed to support the first plurality of cleats, a second frame disposed to support the second plurality of cleats, and a drive mechanism for imparting motion to the first endless belt, the second endless belt, the first plurality of cleats, and the second plurality of cleats.
Method for producing a foil or a film
The invention relates to a method for producing a foil or a film (1), comprising the following steps a) applying at least one material (2) for producing the foil or the film (1) to a moving belt (3), b) at least partially curing and/or partially drying the poured material (2), during which step b) the properties of the material and/or thermal state variables of a defined area around the belt (3) are recorded by means of at least one non-invasive spectroscopic method.
Sheet manufacturing apparatus and sheet manufacturing method
This sheet manufacturing apparatus is provided with: a nozzle for extruding a heated resin sheet; a main roll with a surface on which microstructures are formed; a follower roll disposed at a distance from the main roll; and an electricity-supplying mechanism. The electricity-supplying mechanism heats an electrically conductive section of the main roll by supplying electricity to the electrically conductive section from both edges of the main roll.
Sheet manufacturing apparatus and sheet manufacturing method
A sheet manufacturing method includes defibrating a defibration object into a defibrated material in the atmosphere, mixing, in the atmosphere, additive agents including resin into the defibrated material that has been defibrated, adding moisture to a mixture of the defibrated material and the additive agents after the mixing is completed, and heating the mixture that has been moisture-added.
Plant and method for making continuous elastic yarns made of silicone material and continuous elastic yarn made of silicone material thus obtained
A plant and method for making continuous yarns made of silicone material comprises at least an extrusion station, into which the material is introduced in an amorphous condition, and extrusion means which cause the material to exit from the extrusion station along an extrusion axis. The plant also comprises a vulcanization station, located downstream of the extrusion station, at a determinate distance therefrom, in which the continuous yarn is vulcanized in a direction of treatment. The plant also comprises a drawing unit, disposed downstream of the vulcanization station.