Patent classifications
B29C2043/3647
Flexible polymer-based material for hot isostatic pressing or warm isostatic pressing molds
There is disclosed a sealable, flexible membrane for encapsulating a part to be isostatically pressed at an elevated temperature. The membrane includes at least one first layer of polymeric film having a melting point above the elevated temperature, and at least one second layer disposed on the first layer. The second layer comprising a metal. In one embodiment, the metal comes into contact with the part to be isostatically pressed. The membrane, which typically has a thickness ranging from 10 to about 500 μm, and is impermeable to the flow of liquids and gases when sealed, can be used to warm press parts up to about 350° C. and pressures ranging from 5,000 psi to 100.000 psi. Methods to isostatically press parts using this sealable, flexible membrane are also disclosed. Bags made from the sealable, flexible membrane that are used in isostatic presses are also disclosed.
Fibre flattening
A method of forming a fibre article, comprising: providing a former having a contoured forming surface; locating a fibre preform between a first diaphragm and a second diaphragm, the second diaphragm being offset from the forming surface; drawing a vacuum between the first and second diaphragms so as to hold the preform captive between the diaphragms; displacing the second diaphragm towards the former so as to bring the second diaphragm into partial contact with the former; drawing a vacuum between the second diaphragm and the former so as to bring at least a part of the second diaphragm adjoining the preform into conformity with the forming surface; and setting the preform in its configuration; wherein: the fibre preform comprises one or more substantially inextensible fibres extending linearly in a first direction; the forming surface comprises a concavity and prominences on either side of the concavity; and the step of bringing the second diaphragm into partial contact with the former comprises bringing the second diaphragm into contact with the prominences whilst the second diaphragm does not fully contact the concavity and with the substantially inextensible fibres extending from one of the prominences to the other.
METHODS AND SYSTEMS INCLUDING PRESSURIZED HOUSINGS FOR FORMING MATERIALS
A system for forming material includes a housing including at least one wall defining an interior space. The housing is configured to contain a pressurized fluid in the interior space. The system also includes at least one tool configured to shape the material. The at least one tool is movable along a path from a first position external to the housing to a second position at least partially within the interior space. The system further includes a membrane extending at least partially in the path of the at least one tool.
Apparatus for molding composite materials
A method and apparatus for shaping, compacting, and supporting a composite material (C) contained between two flexible membranes (G, F) and capable of being stretched over a porous mold (A) are described. The apparatus enables the use of inexpensive mold despite the high pressures used. A counter-mold (M) having the same characteristics as the mold can be used in certain instances. The equipment enables the use of a plurality of molds and counter-molds during one manufacturing cycle.
BALLISTIC PLATE MATERIALS AND METHOD
Embodiments of the invention provide body armor composite and methods of fabrication. The body armor composite can include at least one strike-face layer, at least one strike-face reinforcement layer, and at least one catchment layer. Some embodiments include body armor composite with a bump guard layer, and a back-face reduction layer. In some embodiments, the fabrication method includes bonding multiple layers to form an armor composite. Some embodiments include an armor production tool including a housing at least two housing portions which form a substantially air-tight chamber when closed. The tool can include a lower flexible membrane forming at least a portion of a mold, and an upper flexible membrane capable of engaging the lower flexible membrane. The tool can include a pressure port for pressurizing the chamber and to move portions of the mold towards each other, and a locking mechanism for locking the two housing portions.
ENHANCED SYSTEMS THAT FACILITATE VACUUM BAG CURING OF COMPOSITE PARTS
Systems and methods are provided for enhancement of vacuum bagging processes for a composite part. One system includes dispensers configured to dispense materials onto a forming tool for a composite part, and a controller. The controller is able to identify a location for placing the composite part on the tool, and to direct the dispensers to lay up a laminate of constituent material for the composite part at the location. The controller is also able to direct the dispensers to spray vacuum bag material atop the laminate to form a vacuum bag that covers the laminate.
METHOD FOR MANUFACTURING A CELLULOSE PRODUCT BY A PRESSURE MOULDING APPARATUS, PRESSURE MOULDING APPARATUS AND CELLULOSE PRODUCT
The present invention relates to a method of manufacturing a cellulose product having a flat or non-flat product shape by a pressure moulding apparatus comprising a forming mould. The forming mould has a forming surface defining said product shape, The method comprises the steps of:
arranging a cellulose blank containing less than 45 weight percent water in said forming mould; heating said cellulose blank to a forming temperature in the range of 100° C. to 200° C.; and pressing said cellulose blank by means of said forming mould with a forming pressure acting on the cellulose blank across said forming surface, said forming pressure being in the range of 1 MPa to 100 MPa.
METHOD AND DEVICE FOR PRODUCING AN EDGEFOLD
A device for producing an edgefold on a component is suggested, wherein the component includes a support and a cover layer. The component may be an inner lining part of a motor vehicle, without limitation thereto. The device comprises an elastic body, which is set up to pull the cover layer over an edge of the support by deforming the elastic body.
MATERIAL FORMING APPARATUS AND MATERIAL FORMING METHOD
A material forming apparatus comprises: a support which is positioned at a side of a forming tool with respect to a material arranged on the forming tool to have a first part covered by the forming tool and a second part separated from the forming tool, and which supports the forming tool; a diaphragm which presses the second part of the material while the outer surface of the expanded diaphragm comes in close contact therewith, in a state in which the first part of the material is compressed by the forming tool and the outer surface of the diaphragm; and a volume-varying member which is disposed near the forming tool between the diaphragm and the support so that at least a portion thereof is positioned on the second part of the material.
Device and method for laminating a laminating foil element onto a component, device and method for applying adhesive, system for laminating, component to be laminated with a laminating foil element, and use of a deposit part for keeping ready a laminating foil element
The invention relates to a device for laminating a laminating foil element onto a component having a profiled lamination plane using a lamination tool, by means of which tool the laminating foil element is laminated onto the component, the lamination tool comprising a first tool half and a second tool half, and the device comprising a deflection arrangement for deflecting portions of the laminating foil element out of the profiled lamination plane.