Patent classifications
B29C70/504
SYSTEM FOR MANUFACTURING COMPOSITE STRUCTURED LAMINATE
Systems for manufacturing a composite structural laminate comprising a conveyor element, a plurality of heating elements, and a plurality of cooling elements. The system may further incorporate a series of cutting elements that distribute constituent laminate elements along the conveyor element. The system provides heating and cooling of the constituent laminate elements which results in improved strength for the resulting laminate.
PREPREG CONTINUOUS PRODUCTION DEVICE AND METHOD THEREFOR
Produce prepreg with a matrix resin adhering to the cloth. Arranging a release sheet on each surface of the cloth; passing the cloth and a pair of the release sheets through a gap portion positioned in a clearance of a pair of heating rollers to be overlaid on each other and supplying the matrix resin to be accumulated above the gap portion of the heating rollers and between the pair of release sheets; and adjusting an interval of the pair of heating rollers to thereby control an adhesion amount of the matrix resin.
Assay cartridges and methods of using the same
Assay cartridges are described that have a detection chamber, preferably having integrated electrodes, and other fluidic components which may include sample chambers, waste chambers, conduits, vents, bubble traps, reagent chambers, dry reagent pill zones and the like. In certain embodiments, these cartridges are adapted to receive and analyze a sample collected on an applicator stick. Also described are kits including such cartridges and a cartridge reader configured to analyze an assay conducted using an assay cartridge.
DEVICE FOR PROCESSING FIBRE-REINFORCED PLASTIC
The invention relates to a device for processing fibre-reinforced plastic, more particularly for producing structural components for aircraft (2) or preforms for same, said device comprising at least two functional units (4), the functional units (4) comprising at least one feed unit (5) for feeding a laid fibre scrim web (6) and a processing unit (8) for processing the laid fibre scrim web (6), with a primary drive (9) for driving the laid fibre scrim web (6), with a control arrangement (10) for open-loop or closed-loop control of the primary drive (9). According to the invention the device (3) has at least one secondary drive (11) for driving the laid fibre scrim web (6), the device (3) has a force-measuring device (12) associated with the secondary drive (11), with a force sensor (13) for measuring a web tension in the laid fibre scrim web (6) by means of the control arrangement (10), the control arrangement (10) controls the secondary drive (11) in a feedback control routine, the feedback control routine comprises a secondary feedback circuit (14) to control the secondary drive (11), the control arrangement (10) in the feedback control routine supplies the web tension measured by the force-measuring device (12) associated with the secondary drive (11) as an actual value (15) to the secondary feedback circuit (14) and determines and sets a controlled variable (16) for the secondary drive (11) on the basis of the web tension in the secondary feedback circuit (14).
ARMOR PREPARATION METHOD AND SYSTEM
The present invention provides a system and method for preparing armor made of para-aramid fibers, including a plurality of rollers feeding an input source of the para-aramid fibers, the fibers being at a first temperature. The system and method include a heating mechanism encapsulating at least a portion of the plurality of rollers, the heating mechanism heating the para-aramid fibers fed by the rollers from the first temperature to a second temperature. The method and system include a press, including a plurality of plates, whereupon the para-aramid fibers reaching the second temperature, the para-aramid fibers are fed into and compressed between the plurality of plates by the press, and heated to a third temperature. The method and system include a cooling section supporting the plurality of plates and the para-aramid fibers compressed therein while the para-aramid fibers cool from the third temperature to a fourth temperature.
SHEET MATERIAL PRESSING DEVICE, SHEET MATERIAL PRESSING METHOD, PRESSING ROLLER AND SHEET MATERIAL MANUFACTURING METHOD
There are provided a sheet material pressing device, a sheet material pressing method, and a pressing roller. A sheet material pressing device includes: a pressing roller having a plurality of free rollers for pressing a sheet material in which resin and fibers are mixed, and a free roller support unit disposes the plurality of free rollers in an annular shape and fixes and supports the plurality of free rollers so as to rotate freely; a driving control unit that rotates the free roller support unit in a first rotation direction in order to revolve the plurality of free rollers; and a sheet material conveying unit on which the sheet material is placed and conveyed. The first rotation direction is a direction in which a moving direction of the free roller at a pressing position of the sheet material is a direction opposite to a conveying direction of the sheet material.
PROCESS FOR PRODUCING A FIBER COMPOSITE
A prepreg, carbon fiber reinforced composite, and a process for prepreg production including the steps of: (a) providing a fast curing resin composition; (b) forming a film from the resin of step (a) on one side surface of a release substrate sheet; (c) providing a fiber fabric substrate sheet having a varying fiber areal weight cross-sectional thickness; (d) contacting at least one side surface of the fiber fabric substrate sheet of step (c) with the film of step (b); (e) applying pressure on the other side surface of the release substrate sheet opposite the resin film of step (b) to impregnate the fiber fabric substrate sheet of step (c) with the resin composition of step (a); and (f) allowing the fiber fabric substrate sheet impregnated with the resin composition of step (e) to partially cure to form a prepreg product. Also S-wrap compaction roll assembly having at least three rolls, wherein the second nip roller that is positioned between the other two includes a modified diameter.
DEVICE FOR PRESSING FLAT MATERIAL
The invention relates to a device for pressing flat material, comprising means for transporting the flat material (15) in a transport direction and at least one pressing roller pair (9), which is stationary in the transport direction and acts on the flat material (15) on both sides, said device being characterized in that both pressing rollers (13, 14, 29, 34) of the pressing roller pair (9) or both pressing rollers (13, 14, 29, 34) of at least one of the pressing roller pairs (9) are elastically deformable in the radial direction at least at the circumference of said pressing rollers.
Carrier material on the base of a plastic composition and a mineral based solid composition for decorated wall or floor panels
A carrier material for producing a decorated wall or floor panel, as well as the corresponding wall or floor panel, may comprise a matrix material and a solid material. The matrix material is present from ≥25 wt.-% to ≤55 wt.-% and the solid material is present from ≥45 wt.-% to ≤75 wt.-% of the carrier material. The matrix material and the solid material together may be present in an amount of ≥95 wt.-% of the carrier material. The solid material is formed to at least 50 wt.-% of a solid composition consisting of at least a first layered silicate powder and a second layered silicate powder. The matrix material is formed to at least 50 wt.-% by a plastic composition consisting of a homopolymer and at least a first copolymer and a second copolymer.
PREPREG MOLDING METHOD
The purpose of the present invention is to suppress generation of creases when one layer of a prepreg is molded at a time and molded layers of the prepreg are laminated one by one. A prepreg molding method comprises: a step of bending a long prepreg elongated in one direction into a downwardly convex U-shape in cross section; a step of bringing a lower part of the prepreg bent in the U-shape into contact with a bottom part of a mold having a concave cross section and mounting the prepreg on an inner part of the mold; and a step of pressing and deforming the prepreg mounted on the inner part of the mold using pressing part.