Abstract: Disclosed is a cover for a utility vault and a method for making such covers. The cover is formed from fiberglass reinforcement layers, a low-density core, and a polymer mix matrix. The reinforcement layers include a bottom reinforcement layer, one or more edge reinforcement layers, and a top reinforcement layer. A first portion of the edge reinforcement layer overlaps a portion of the bottom reinforcement layer and a second portion of the edge reinforcement layer overlaps a portion of the top reinforcement layer. The core is positioned between the top and bottom reinforcement layers. The reinforcement layers are formed from fiberglass fabric and may include fiberglass layers whose fibers are oriented quadraxially. The polymer mix impregnates the fabric layers, encases the core, and binds the components together. The polymer matrix includes a thermoset polymer resin.

Abstract: A single-layer plastic composite board (20; 30; 40) is disclosed. The single-layer plastic composite board is a two-piece single-layer plastic composite board comprising a single-layer plastic sheet (11; 21) and a stiffener (22; 32), wherein the single-layer plastic sheet (11; 21) has a main body portion (111; 211) and a peripheral portion located around the main body portion; the peripheral portion bends towards the back of the main body portion in a direction perpendicular to the main body portion to form a bent portion (112; 212); and the stiffener (22; 32) is engaged with and fixed to the bent portion (112; 212) of the single-layer plastic sheet (11; 21). The single-layer plastic composite board has advantages such as a simple structure, small thickness, light weight, high strength, low cost and ease of manufacturing, and can be widely used as a cabinet board, a box board, a table board, a drawer board, a seat board and a backrest of a chair, etc.

Abstract: The present application relates to an adhesive composition capable of fixing a battery cell in a battery module and a battery pack. According to one example of the present application, there is provided a two-component urethane-based adhesive composition which has excellent storage stability and processability and is capable of providing physical properties required in related uses in a short time.

Abstract: An apparatus having one or more cavities and corresponding one or more protrusions is disclosed. The one or more cavities and corresponding one or more protrusions can be flattened to cause the apparatus to adhere to an object. Thus, the apparatus can be used in applications where adherence of the apparatus to an object is desired. The apparatus can also act as a protective layer to buffer and protect a surface of the object. It is also possible to maintain the surface's visual appearance, if beneficial. The apparatus can also be used in applications where buffering and protection from friction is not needed.

Abstract: A composite sandwich panel includes a first composite part and a second composite part. A plurality of stiffeners extend between the first and second composite parts. A fiberglass composite perimeter edge closeout is positioned along one or more edges of the first and second composite parts. The fiberglass composite perimeter edge closeout controls a magnetic flux to bond the first and second composite parts to the plurality of stiffeners.

Abstract: A structural panel is provided that includes a first core structure and a second core structure. The first core structure is configured with a first endwall and a plurality of first cavities that extend vertically through the first core structure. The second core structure is configured with a second endwall and a plurality of second cavities that extend vertically through the second core structure. The second core structure is laterally bonded to the first core structure at a complex splice joint between the first endwall and the second endwall.

Abstract: A framed element includes an insulating core layer, an upper surface layer arranged on the insulating core layer, a frame structure including frame profiles which have been arranged to form at least part of the outer edges of the element and elongated support profiles in the length and/or width direction of the element. The insulating core layer is made of foamed glass or a combination of lightweight aggregates and a fire-retardant resin. The element further includes an elastic sealing compound arranged at least partly between the core layer and the upper surface layer of the element.

Abstract: In one aspect, there is a method of making a composite skin for a tiltrotor aircraft including providing a first skin in a mold, the first skin having a periphery defined by a forward edge, an aft edge, and outboard ends; providing a plurality of honeycomb panels having an array of large cells onto the first skin, each cell having a width of at least 1 cm; assembling the plurality of honeycomb panels along the longitudinal axis of the first skin to form a honeycomb core having an outer perimeter within the periphery of the first skin; positioning a second skin onto the honeycomb core, the second skin having an outer perimeter within the periphery of the first skin; and curing an adhesive to create a bond between the first skin, the honeycomb core, and the second skin to form a composite skin.

Abstract: A method of repairing an acoustic core cell of an acoustic sandwich panel is provided. The method comprises inserting a core repair splice adjacent to a number of damaged walls of the acoustic core cell of the acoustic sandwich panel, nesting the core repair splice onto the number of damaged walls, and bonding the core repair splice to the number of damaged walls and thereby to repair the acoustic core cell of the acoustic sandwich panel.

Abstract: A door cover system and method of use for a door having a front surface. The system includes a cover body; an embossing on the front surface of the cover body; a ledge protruding from the back surface of the cover body and configured to engage with a top surface of the door; and a fastener secured to the back surface of the cover body and configured to secure the cover body to the front surface of the door. The method includes removably securing the cover body to the front surface of the door; outlining cut patterns on the cover body; removing the cover body from the front surface of the door; cutting the cut patterns; and rigidly securing the cover body to the front surface of the door via a fastener.

Abstract: A method for producing a fiber composite component assembly having at least first and second plate-shaped composite structures made from synthetic resin embedded fibers, the at least first and second fiber composite components having a plurality of partial regions not containing synthetic resin is described. The method includes positioning the at least first and second fiber composite components, the partial regions having been brought to flush conformity with each other, bonding the at least first and second positioned fiber composite components by the adhesive layer arranged in between, placing mechanical reinforcement means through the partial regions, infusing the dry partial regions with synthetic resin, and curing the synthetic resin placed in the partial regions.

Abstract: The present disclosure relates to a curable two-component polyurethane adhesive composition comprising: a) a first component C1 comprising at least one polyol; b) a second component C2 comprising at least one isocyanate; c) a polyurethane catalytic system comprising a first bicyclic amine and a second bicyclic amine; and d) optionally, a particulate filler material. The present disclosure also relates to a sandwich panel comprising at least a core layer, at least a first structural panel and at least a second structural panel and to a method of manufacturing and using thereof.

Abstract: This disclosure pertains to a composite fiber mat for producing a support plate for a motor vehicle component, wherein at least a first subarea of the composite fiber mat is provided with at least one reinforcing seam.

Abstract: A cylindrical case includes a case main body made of a composite material of reinforcing fibers impregnated with a thermosetting resin, and an outward flange on the case main body. The outward flange includes: a bonding layer; a foundation layer disposed on the bonding layer; one flange constituting layer having a leg layer which is laminated from one slope surface of the foundation layer to the bonding layer and a wall layer which rises from the one slope surface; and the other flange constituting layer having a leg layer which is laminated from the other slope surface of the foundation layer to the bonding layer and a wall layer which rises from the other slope surface. The foundation layer is formed by laminating roving layers, while the flange constituting layers are formed by laminating a plurality of biaxial fabric layers including a biaxial fabric of a non-crimp structure.

Abstract: In a resin sandwich panel, the two resin skin material sheets have peripheral edge portions thereof joined to each other so as to form an internal hollow portion. The resin core material is disposed in the hollow portion. At least one of surfaces of the resin core material opposing the two resin skin material sheets has a groove portion extending across the entire surface, and a depression communicating with the groove portion. At least one of the two resin skin material sheets additionally has an atmosphere-opened through-hole provided in a thickness direction thereof. When the one of the surfaces of the resin core material and the corresponding resin skin material sheet are surface-to-surface adhered to each other in the hollow portion, air between the surfaces and the skin material sheet is guided to the depression via the groove portion, and exhausted out of the atmosphere-opened through-hole.

Abstract: A gas turbine engine having a fan and a bypass duct for discharging airflow from the fan to generate engine thrust. The bypass duct includes a first component and a second component each having a gas washed surface, the first component being positioned adjacent the second component with a gap therebetween. A sealing strip is positioned in the gap between the first component and the second component distal to the gas washed surfaces of the first and second components. A sealant is positioned between the first and second component proximal to the gas washed surfaces of the first and second components, so as to seal the gap between the first component and the second component from airflow through the bypass duct.

Abstract: The invention relates to a polyurethane composition comprising one first component and one second component, said first component comprising an alkoxylated aromatic diol, a low molecular aliphatic or cycloaliphatic diol, a specific polybutadiene polyol and a specific polyetherpolyol, in specific ratios. The hardened composition is characterized by having good adhesion characteristics, a resistance which is only slightly dependent on the temperature, in the temperature range of ?35 to +85° C. and also very high resistances. It is particularly suitable as a structural adhesive for bonding two substrates.

Abstract: A two-component polyurethane adhesive is described. The polyurethane adhesive has high strength and extensibility, wherein the mechanical properties are only slightly dependent on the temperature. The polyurethane adhesive is suitable as a structural adhesive that is decomposed by heating in such a way that adhesive bonds can be undone in a temperature range of interest. The adhesive can include a triol, a diol, an alkoxylated aromatic diol, a polyamine, a polyisocyanate, and a polyurethane polymer having isocayanate groups in certain ratios.

Abstract: A non-structural multi-part panel including at least two layers, a first layer of foamed material and a second layer applied to at least one side of the first layer, the second layer of cellulosic material.

Abstract: An extrusion apparatus including a die and a mask are provided such that no slots feed directly into the longitudinal skin forming gap between the mask and the die. In a method of forming a die adapted to improve skin uniformity of extruded cellular ceramic substrates a slotted block of die material is provided including central slots adapted to form a cellular matrix of the substrate and peripheral slots located outwardly of the central slots designed to be covered by a skin former mask and adapted to extrude peripheral batch material. An arcuate skin former is cut corresponding to a target shrinkage so as to intersect the slotted block such that skin flow from tangent slots at 90 degree positions of the die is limited to the peripheral batch material.

Abstract: A vapor chamber structure which locks the upper planar plate lid to the lower planar plate base without the need for brazing and prevents distortion of the surfaces from internal pressure in the chamber. The basic structure has parallel rows of latching structures on the interior surfaces of the upper planar plate lid and the lower planar plate base. Each row of latching structures has a cross section in the shape the letter “L” with the top of the “L” attached to the interior surface of the lid so that the horizontal sections of the “L”s face the lower planar base plate when the chamber is assembled.

Abstract: An improved ceramic honeycomb structure is comprised of at least two separate smaller ceramic honeycombs that have been adhered together by a cement layer comprised of a cement layer has at least two regions of differing porosity or cement layer where the ratio of toughness/Young's modulus is at least about 0.1 MPa·m1/2/GPa.

Abstract: Articles having substantially cylindrical bodies including a plurality of circumferential layers, each layer having at least one ply of material, the material comprising a weave fabric, a non-crimp fabric, or a combination thereof.

Abstract: A sandwich component (10) having a honeycomb core layer (4) and at least one fibre-reinforced thermoplastic outer layer (3) and the corresponding production method. The outer layer (3) is connected to the honeycomb core layer (4) by a thermoplastic material. At least one side of the sandwich component (10 has a decorative layer (1,1?), which is arranged on the outer layer (3). The sandwich component (10) furthermore has at least one foam layer (2), which is arranged between the outer layer (3) and the decorative layer (1,1?), and which is connected to the outer layer (3) and the decorative layer (1,1?).

Abstract: The present disclosure provides a method for manufacturing a composite sandwich panel with an alveolar core. The alveolar core exhibits a plurality of cells each delimited by at least one wall formed from at least one partition. In particular, a portion of the partition is integrated to a support skin of the composite sandwich panel during a resin molding step.

Abstract: The invention pertains to a composite panel with a first cover layer, a second cover layer and a first core layer that is arranged between the first cover layer and the second cover layer and features a plurality of cells that are separated from one another by walls at least in certain areas, wherein the first cover layer features a draining layer. The inventive composite panel may be distinguished from a composite panel according to the state of the art in that a second core layer with a plurality of cells that are separated from one another by walls at least in certain areas is arranged between the first cover layer and the first core layer.

Abstract: A honeycomb composite plate of plastic foam comprises at least a support body and a plastic surface sheet. The support body comprises at least a support core, which has a honeycomb structure and is formed of plastic foam. The plastic surface sheet is fixed to the support body and supported by it. Further, the support core and the plastic surface sheet are fixed together.

Abstract: A half closed thermoplastic folded honeycomb structure is described which is produced from a continuous web of material by plastic deformation perpendicular to the plane of the material to thereby form half-hexagonal cell walls and small connecting areas. By folding in the direction of conveyance the cell walls meet to thereby form the honeycomb structure.

Abstract: A product (10) made from an extruded sheet or web of material (42) having a non-linear cross-section, and the process of making the product (10) is provided. The extruded web or extrudate (42) is plastically deformed in selected areas and then folded. When folded into the appropriate shape, the extrudate (42) is formed into a product (10) having a plurality of cells (14). The cells (14a) may have one or more openings (34a), allowing access to an interior of the cell (14a) and reducing the weight of the product (10a).

Abstract: A product 10 made from an extruded sheet or web of material 42 having a non-linear cross-section, and the process of making the product 10 is provided. The extruded web or extrudate 42 is plastically deformed in selected areas and then folded. When folded into the appropriate shape, the extrudate 42 is formed into a product 10 having a plurality of cells 14. Optionally, the cells 14a can include one or more openings 34a, allowing access to an interior of the cell 14a and reducing the weight of the product 10a.

Abstract: A substrate having a transparent conductive layer has a transparent conductive pattern that is not easily visually recognizable by a naked human eye on a transparent substrate and can be formed by a simple and efficient method. In the case where a transparent conductive pattern is formed on a transparent substrate, the pattern region does not include conductive regions covered with uniform transparent conductive films or a high-resistance region that is not covered with the transparent conductive film, the high-resistance region electrically insulating the conductive regions. Instead of the conductive regions or the high-resistance region, the inventors use a region having a structure including a mixture of a portion covered with the transparent conductive film and a portion not covered with the transparent conductive film, thereby solving the foregoing visual recognition issue.

Abstract: A composite component includes a honeycomb, a skin bonded to the honeycomb, a repair section bonded adjacent to the skin, and at least one cover secured on at least a portion of the repair section to resist peeling of the repair section.

Abstract: A collapsible support article having a bi-directional corrugated structure is defined by folding along folds lines in an accordion style resulting in peak and valley rows with first and second connections points being defined along the folds lines to generate a second direction of the structure. The first connection points are connected at each peak or valley and each second connection point is connected to adjacent peak or valley rows to define the structural unit. The material used as well as spacing between connection points and the distance between the fold lines determine the strength of and the visibility through the structural unit. The structural unit may be used as a single unit for packing material, as a travel pillow or a plurality of joined structural units to define a sleep suit. Variations in the structural unit may result in a curved support article or a contoured support article.

Abstract: A sandwich-type, composite component such as a motor vehicle component and unitary structural assembly utilizing same are provided. The component has a sealed, moisture-resistant, A-surface edge. The component includes a first outer layer having an A-surface, a second outer layer having a B-surface and a core positioned between the outer layers. The core has a large number of cavities. The outer layers are bonded to the core by press molding. An edge portion of the component is locally crushed by the press molding so that the layers are bonded together to form the sealed, moisture-resistant, A-surface edge.

Abstract: Methods and systems for an armor system are provided. The system includes a first face sheet and a shaped preform extending from the first face sheet. The preform includes a first edge proximate the first face sheet, a sidewall extending from the first edge to a flange extending substantially perpendicularly from the sidewall. The preform circumscribes an area of the first face sheet. The system also includes a tile of armor material complementarily-shaped to fit within the area circumscribed by the preform. The tile is positioned within the preform such that at least a portion of the tile is between the first face sheet and the flange. The system includes a second face sheet covering the preform and the tile on a side opposite from the first face sheet.

Abstract: A vehicle deck board 1 is molded in such a manner that a lower die 21 and an upper die 22 are clamped together in a state where foamed resins 13 and reinforcements 20 are interposed between a back surface side sheet material 16 and a front surface side sheet material 15, whereby the back surface side sheet material 16 and the front surface side sheet material 15 are welded to each other to thereby form a laminated member 26 with height-increasing bridge members included therein, compressed air is injected into an inside of the laminated member 26 with the height-increasing bridge members included therein, which is formed by welding the back surface side sheet material 16 and the front surface side sheet 15, while individually vacuum-sucking the back surface side sheet material 16 and the front surface side sheet material 15 to the lower die 21 and the upper die 22, and the laminated member 26 concerned is subjected to blow molding.

Abstract: A pad structure for absorbing vibration and dispersing pressure comprises: an absorbing and dispersing layer, at least one surface of which is a closed surface, at least one connecting hole is disposed on, the one end surface of the connecting hole is an opened surface and the other is a closed surface; at least one positioning member, which has an adhering surface connecting the positioning member into the connecting hole, the one end surface of the positioning member is urged by the connecting hole, to adhering agent is coated on the adhering surface; a buffering layer, which has at least one connecting surface connecting with the surface, the adhering surface being on, of the absorbing and dispersing layer, the connecting surface and the adhering surface are tightly combined to fix the absorbing and dispersing layer; and a wrapping member, which covers on the absorbing and dispersing layer and the buffering layer.

Abstract: An air cushion pad includes at least two sheet members, which are made of resilient materials. Each sheet member forms a plurality of hollow tubes projecting therefrom and the tubes are connected to each other by a substantially flat plate. The tubes of one sheet member and the tubes of the other sheet member are alternately fit to each other in an opposing manner to form the air cushion pad. When an external impact force is applied in a top down manner, the air cushion pad absorbs the impact force and undergoes sideways deformation so as to convert the impact force into a transverse to thereby realize shock absorption and eliminate damage caused by downward action of the impact force to provide the function of protection.

Abstract: A device for protecting flammable fluid reservoirs, or the regions in immediate proximity thereof, from the hazards due to impact and reservoir rupture, and subsequent potential of fire, corrosion or other damage or injury due to contact with reactive fluids. Such impacts may arise from collisions, such as encountered in transportation systems, or structural or thermal failure and/or rupture of components and systems, or separation of system components. Such a device may be formed as a close-fitting shroud over such components, or surrounding fittings and junctions of mating components in such systems, or mounted near the location of such components in the direction of impact or failure. Such a device may have a pattern of pre-scored lines to facilitate break-up of the device upon impact or thermal stress.

Abstract: A sandwich panel includes a middle material (2) and a surface material (3) that are laminated with a hollow columnar core (1). The middle material (2) is composed of a set of unidirectional fiber bodies (4, 5) each of whose fibers are aligned in one direction, and bonding layers formed by woven fiber bodies (6, 7). The woven fiber body (7) includes a warp yarn and a woof yarn that is orthogonal to the warp yarn, and the yarns are woven, and the woven fiber body (7) is formed so that any one of the warp yarn and the woof yarn is substantially parallel to the edge of the sandwich panel, and the other of the warp yarn and the woof yarn is substantially orthogonal to the edge of the sandwich panel.

Abstract: A method of making a core-stiffened structure includes the steps of providing a honeycomb core having an adhesive disposed on first and second surfaces thereof, providing a first skin and a second skin, and assembling the first skin, the second skin, and the honeycomb core to form the core-stiffened structure. The method further includes the steps of curing the core-stiffened structure and inhibiting at least one of the first skin and the second skin from protruding into at least one cell of the honeycomb core during the step of curing the core-stiffened structure.

Abstract: A waterproof heat-insulation construction method aims to spread a layer of waterproof heat-insulation powder through a waterproof heat-insulation module on a work surface to form waterproof and heat insulation effect thereof. The method comprises the steps of: first, anchoring at least one waterproof heat-insulation module which can be arranged on the work surface; then holding the waterproof heat-insulation powder in the waterproof heat-insulation module in contact with the work surface to form a waterproof heat-insulation layer. The invention also provides a corresponding waterproof heat-insulation module which can be constructed in a modular fashion to achieve waterproof and heat insulation effect for buildings.

Abstract: The present invention relates to the manufacturing of honeycomb sandwich panels. Particularly a two component polyurethane adhesive having a Polyol P1 with a bisphenol-A or bisphenol-F moiety in its structure, a polyester or polyether Polyol P2, a heat-activated polyurethane catalyst CA and a polyisocyanate PI. The adhesive is remarkably well suited for the manufacturing of honeycomb sandwich panels showing particularly a short curing time combined with a long open time and good wetting and bonding properties.

Abstract: The present invention discloses a table top comprising a top panel, a bottom panel, a paper honeycomb core and an internal fixed part. The paper honeycomb core is enclosed between and fixed to the top panel and the bottom panel. The paper honeycomb core is completely surrounded by the internal fixed part, or the internal fixed part is installed in a suitable position of the panel, serving as a reinforced frame of the panel. The edge of the bottom panel and the lower edge of the top panel bended downwardly are cohered together, and the bended edge of the top panel forms the side edge of the panel. The top panel and the bottom panel may be formed by suction moulding or direct moulding process. The panel can be connected with other parts of the table.

Abstract: The present invention provides a sandwich structure with a core element in honeycomb form and outer layers with carbon fiber and glass fiber layers, the glass fiber layers being applied to the outer sides of the sandwich structure.

Abstract: An expandable insulation blanket includes a body of insulation material having a first edge and a second edge wherein the first and second edges are opposite one another. A first slit defines a first hinge point between a first end of the first slit and the first edge, a second hinge point between a second end of the first slit and the second edge and a third hinge point between a third end of the first slit and the first edge. A first hinge body is outlined by the first slit, the first hinge point and the third hinge point. A second slit extends across the first hinge body and defines a fourth hinge point between the second slit and the first slit. When expanded the insulation body includes a substantially triangular shaped opening.

Abstract: A self supporting panel system used to fabricate ceilings, floors, walls, or roofs. The panel system is assembled from a plurality of panels, each having a core that is sandwiched between opposing plate members. In a preferred embodiment, the core of each panel includes a unifying material to enhance the load bearing capacity of the panel.

Abstract: A composite member with a reinforced rampdown or taper has a composite noodle bonded to an end of a core to fill the taper.

Abstract: A sandwich panel that has excellent practicality as an inner wall material used in aircraft, for example, whereby the abovementioned requirements of flexural strength, peel strength, and in-plane shear strength can be satisfied while having reduced weight.

Abstract: A paper honeycomb core composite panel includes a face plate, a bottom plate, a paper honeycomb core sandwiched between the face plate and the bottom plate, e pieces of interior spacer disposed between the face plate and the bottom plate and extended entirely or partly around the periphery of the paper honeycomb core, and a edge sealing band which is bonded to the pieces of interior spacer or bonded to the pieces of interior spacer and the paper honeycomb core. The reinforcing frame of the composite panel makes use of the pieces of interior spacer including the pipe pieces or extrusive section material and so on. The edge sealing band or the pieces of interior spacer form the fringe of the composite panel.