Abstract: A method of manufacturing a composite product, comprising: —applying a binder composition, notably in the form of an aqueous solution, to non or loosely assembled matter to provide resinated matter, wherein the binder composition consists of a binder composition prepared by combining reactants comprising at least 50% by dry weight reducing sugar reactant(s) and at least 5% by dry weight nitrogen-containing reactant(s); and—arranging the resinated matter to provide loosely arranged resinated matter; and—subjecting the loosely arranged resinated matter to heat and/or pressure to cure the binder composition and to form the composite product; —wherein the nitrogen-containing reactant(s) comprise TPTA triprimary triamine(s), notably wherein the nitrogen-containing reactant(s) comprise at least 5% by dry weight of TPTA triprimary triamine(s).

Abstract: A method of manufacturing a boat hull comprising: forming a foam mold of a predetermined shape and size from one or more pieces of foam; cutting, into said foam, at least one-channel running in a longitudinal or a lateral direction within the foam; and coating said foam with at least one layer of reinforcing fiber and resin.

Abstract: Subject matter of the present invention is a method of applying coating layers (9) to a substrate (1, 11, 21, 31), wherein the substrate (1, 11, 21, 31) is drawn through a coating chamber (2) containing a pressurized coating agent (3) being liquefied or softened by means of a thermal exposure, wherein the substrate (1, 11, 21, 31) is drawn through a drawing tool (8), wherein the coating agent (3) serves as a lubricant between the drawing tool (8) and a surface of the substrate (8) and wherein at the same time the coating layer (9) is applied to the surface of the substrate (8). Subject matter of the invention is also a corresponding apparatus for applying a coating layer (9) to a substrate (1, 11, 21, 31). By means of the invention coating layers can be applied to a substrate in an efficient and economical way.

Abstract: A method for manufacturing a golf club head part includes the steps of: sewing at least one roving material onto a base material, so as to form a laminate blank; placing the laminate blank into a cavity of a mold assembly; vacuuming the cavity, and then impregnating a resin material into the laminate blank that is placed in the cavity under vacuum; and thermoforming the laminate blank and the resin material in the cavity into the golf club head part.

Abstract: A crossmember for a bumper includes an extruded profile base frame with at least two connecting areas, for attaching the crossmember to a vehicle structure, and which are set at a distance from each other along a longitudinal direction. An extruded reinforcing element is fixedly secured to a rear side of the extruded profile base frame between the at least two connecting areas. The crossmember is weight-optimized and which can be produced in a cost-effective manner.

Abstract: A method and apparatus for constructing a tubular assembly 40 comprising an inner portion (24) and a further portion (23) surrounding the inner portion. The inner portion (24) comprises reinforcement (37) and the further portion (23) being formed from a strip (50) of material comprising two opposed longitudinal marginal side portions (53). The apparatus comprises an assembly station (220) comprising a wall (253). The apparatus comprises means for advancing the inner portion (21) along a first path (231) extending passed the wall (253), and means for advancing the strip (50) along a second path (232) and causing the strip to encircle the wall (253) and thereby wrap about and surround the inner portion (21). The apparatus further comprises means (321) for introducing resinous binder into the reinforcement (37) as the strip (50) is being wrapped about the inner portion (21).

Abstract: Simulated tissue structures and methods of making them are disclosed. An elastic first material is placed in tension. An elastic second material is adhered to the first material while the first material is in tension. The adhered second material and the first material in tension forms a first shape of the simulated tissue structure. Tension on the first material is released. In releasing the tension of the first material, a force is exerted on the adhered second material bring the combination of the first material and the second material into a second shape. The first shape is maintained by a mold or mandrel and the second shape is the desired shape of the simulated tissue structure.

Abstract: A suspension upright assembly for a vehicle provides a wheel hub bearing and a suspension upright including a fiber-reinforced composite bushing arranged around the wheel hub bearing, attachment members for attaching the suspension upright to a suspension assembly and to a brake caliper of the vehicle, and a fiber-reinforced composite truss-structure that connects at least one of the attachment members to the bushing and/or to a further one of the attachment members.

Abstract: A four-point link for a vehicle includes a core element and a main laminate comprising a fiber reinforced plastics composite material, which wraps around the core element. The core element comprises four load-introducing elements and a foam core, and the four load-introducing elements (4) are connected by positive engagement to the foam core (5). The four-point link has four additional windings, wherein a respective additional winding wraps around a first, second, third and fourth load-introducing element and operatively connects a respective one of the latter to the main laminate. Compressive forces can be introduced into the main laminate (3) by means of every additional winding (6).

Abstract: A threaded shaft for a ball screw comprising: a shaft of fibre-reinforced polymer material; and a helical ridge formed on an outer surface of said shaft, said helical ridge being formed from a fibre-reinforced polymer material comprising a plurality of helical fibres wound around the shaft in the same sense and grouped together to form the ridge. The helical ridge formed from grouped helical fibres all wound with the same sense provides excellent axial load carrying capability as the fibres run continuously from end to end of the shaft and can thus transmit load from end to end. This adds much greater strength than a shaft formed from plastics only. The load carrying capability of the fibre wound helical ridge can indeed approach that of existing metal threads while still being much lighter in weight.

Abstract: A recording apparatus including a motor mounting frame in which, in an attached state, a drive shaft of a motor is projected to a front side with respect to a frame surface on the front side, and in the attached state, while a frame surface on a rear side and the motor oppose each other, the motor is attached to the motor mounting frame. The recording apparatus includes a frame attaching portion to which the motor mounting frame is attached. In the attached state, at least a portion of a fastening member that fixes the frame attaching portion is exposed when viewing the frame surface on the front side from the front, and the fastening member is at an attachable/detachable position.

Abstract: A wheel carrier for a vehicle suspension, intended for the rotatable mounting of a wheel, having a wheel carrier body made of metal is adapted to provide a stable, weight-optimized wheel suspension. The wheel carrier includes a wheel-attachment section and an extension projecting upwardly therefrom with means at its upper end for attaching an inboard-projecting control arm. A portion of the extension is offset inboard relative to the upper end and includes a hybrid section in which the wheel carrier body is reinforced in sections by a reinforcing element made of a fiber composite material.

Abstract: Simulated tissue structures and methods of making them are disclosed. An elastic first material is placed in tension. An elastic second material is adhered to the first material while the first material is in tension. The adhered second material and the first material in tension forms a first shape of the simulated tissue structure. Tension on the first material is released. In releasing the tension of the first material, a force is exerted on the adhered second material bring the combination of the first material and the second material into a second shape. The first shape is maintained by a mold or mandrel and the second shape is the desired shape of the simulated tissue structure.

Abstract: In at least select embodiments, the instant disclosure is directed to new or improved battery separators, components, materials, additives, surfactants, lead acid batteries, systems, vehicles, and/or related methods of production and/or use. In at least certain embodiments, the instant disclosure is directed to surfactants or other additives for use with a battery separator for use in a lead acid battery, to battery separators with a surfactant or other additive, and/or to batteries including such separators. In at least certain select embodiments, the instant disclosure relates to new or improved lead acid battery separators and/or systems including improved water loss technology and/or methods of manufacture and/or use thereof.

Abstract: A composite part, such as a stiffener is formed in place. A composite charge is placed on a tool spanning a mold cavity, with the centerline of the charge offset from the centerline of the mold cavity. Opposite sides of the charge are held against the tool as the charge is formed into the mold cavity. One side of the charge is held against movement on the tool while the other side of the charge is allowed to slip over the tool toward the mold cavity.

Abstract: A ballistic resistant panel can be configured to be quickly and easily installed in a vehicle door. The ballistic resistant panel can include a plurality of ballistic sheets arranged in a stack. The stack can have an outer perimeter sized to fit within a cavity of the vehicle door. The panel can include a cover disposed over the stack, and the cover can be sealed around a perimeter of the stack to form a waterproof barrier that prevents moisture from reaching and altering the performance of the ballistic sheets. At least one anti-wear strip can be adhered to an outer surface of the cover. The anti-wear strip can provide a low friction surface that protects the panel from damage caused by moving internal door components, such as moving window components that repeatedly rub against the panel.

Abstract: A method of creating a wood-based false stone for producing unique decorative cutouts and jewelry includes collecting a plurality of stems from a plant, cutting each of the plurality of stems to a uniform length, and debarking each of the plurality of stems. The debarked plurality of stems is then dyed, dried completely, and saturated with a resin. The saturated plurality of stems is placed in a mold and compressed. The compressed plurality of stems is removed from the mold and cut into a plurality of slices, each of which is in turn shaped into a plurality of cutouts.

Abstract: The present invention relates to a novel process for the production of novel fiber-reinforced profile materials comprising a rigid foam core, in particular a PMI foam core. In particular, the present invention relates to a novel process which can be carried out in two variants, a short Pul-press process and a Pul-shape process. One step here produces a fiber-reinforced profile material and simultaneously inserts the rigid foam core into same. The same step moreover ensures very good binding of the rigid foam core to the fiber-reinforced profile material.

Abstract: An apparatus and method for manufacturing a composite product from plural components are disclosed. The apparatus (10) comprises a conveyor assembly comprising back-to-back conveyor belts (16,18) which are drivable such that components can be received between the conveyor belts at an input end of the conveyor assembly and can be moved through the apparatus between the conveyor belts. A press (30) is arranged to consolidate the components into a flat form by the application of pressure to the components between the conveyor belts. The conveyor belts pass through a die (71) which is arranged such that consolidated components between the conveyor belts are shaped into a non-flat profile as they move through the die. A heater (38) is arranged to apply heat to set the components into the non-flat profile to form the composite product (57).

Abstract: Provided herein are methods of forming solid-state ionically conductive composite materials that include particles of an inorganic phase in a matrix of an organic phase. The methods involve forming the composite materials from a precursor that is polymerized in-situ after being mixed with the particles. The polymerization occurs under applied pressure that causes particle-to-particle contact. In some embodiments, once polymerized, the applied pressure may be removed with the particles immobilized by the polymer matrix. In some implementations, the organic phase includes a cross-linked polymer network. Also provided are solid-state ionically conductive composite materials and batteries and other devices that incorporate them. In some embodiments, solid-state electrolytes including the ionically conductive solid-state composites are provided. In some embodiments, electrodes including the ionically conductive solid-state composites are provided.

Abstract: Provided are a novel polyamide polymer obtained by polymerizing monomers including aromatic diamine substituted with a nitrile group and an amide group and an aromatic dibasic acid compound, a spinning dope comprising the same, and a polyamide molded article. A fiber obtained using the novel polyamide polymer according to the present invention, particularly, a fiber obtained by spinning the polymer according to the present invention may have high strength and high elasticity, such that the fiber may be applied to various industrial fields.

Abstract: A heat-resistant laminated conveyer belt includes a fluororesin-coated core and a reinforcement layer which is formed on the core through an adhesive layer. The core is obtained by impregnating an aramid fiber woven fabric in a fluororesin dispersion and drying and sintering the fabric. The reinforcement layer is obtained by impregnating an aramid fiber woven fabric to which stretch properties are applied in a fluororesin dispersion and drying and sintering the fabric. The aramid fiber woven fabric of the core is a woven fabric by a plain-weave seamless loom or a circular loom. The aramid fiber woven fabric of the core includes an S-twist weft yarn and a Z-twist weft yarn which are alternatively arranged.

Abstract: A method of manufacturing a composite element. A stack of plies is assembled on a lay-up table, each ply comprising a plurality of reinforcement elements such as dry-fibers. A first part of the stack of plies is bound to form a partially bound stack of plies, a second part of the stack of plies remaining unbound. The partially bound stack of plies is press-formed in a mold cavity between a pair of mold tools to form a shaped pre-form, plies in the second part of the stack sliding against each other during the press-forming. A liquid matrix material is injected into the shaped pre-form in the mold cavity and subsequently cured.

Abstract: An apparatus includes a first tube, a motor, a support, and a tubular mold having an inside surface. The motor rotates the first tube and the tubular mold. A vacuum bag is disposed over the inside surface of the tubular mold. A plurality of second tubes and a plurality of third tubes extend radially from the first tube. The second and third tubes establish fluid communication between the first tube and a tubular space defined between the bag and the inside surface. A resin injection system is configured to inject a resin into the tubular space by conveying the resin first through the first tube, then injecting the resin through the plurality of second tubes into the bag such that the resin flows over a surface of a layer disposed inside the tubular space. A vacuum system is configured to produce a vacuum through the plurality of third tubes.

Abstract: A composite part, such as a stiffener is formed in place. A composite charge is placed on a tool spanning a mold cavity, with the centerline of the charge offset from the centerline of the mold cavity. Opposite sides of the charge are held against the tool as the charge is formed into the mold cavity. One side of the charge is held against movement on the tool while the other side of the charge is allowed to slip over the tool toward the mold cavity.

Abstract: A method for producing multi-layered elastomeric film or article, the method comprising: (i) dipping a mould into a composition for producing an elastomeric film having a total solids content of between 5%-40% to produce a layer of elastomeric film composition on the mould, (ii) partially drying the layer of elastomeric film composition on the mould to reduce the total water content of the elastomeric film composition to a level of not less than 22%, (iii) dipping the mould coated with the partially dried layer of elastomeric film composition into a composition for producing an elastomeric film having a total solids content of between 5%-40% to produce a further layer of elastomeric film composition on the mould, (iv) optionally repeating the partial drying step (ii) and the further dipping step (iii), and (v) drying and curing the layers of elastomeric film composition on the mould.

Abstract: A resin flow-controlling apparatus for infusing composite reinforcement material with resin. The resin flow-controlling apparatus may have at least one viscosity valve to speed, slow, allow, or deny resin flow through the viscosity valve to the composite reinforcement material depending on the temperature of the viscosity valve. The viscosity valve may fluidly couple a resin reservoir with an enclosed chamber in which the composite reinforcement material resides. The viscosity valve may be thermally coupled with heating and/or cooling elements selectively variable between at least two different temperatures to affect viscosity of the resin and control resin flow from the resin reservoir into the composite reinforcement material. A vacuum port at an opposite end of the composite reinforcement material from the viscosity valve may fluidly couple with the enclosed chamber and a vacuum source may pull atmosphere and/or resin from the enclosed chamber and/or the resin reservoir.

Abstract: The present disclosure provides a plant fiber textile, a laminate with the plant fiber textile and a fabricating method of the laminate. The plant fiber textile has a matrix resin and continuous plant fibers distributed within the matrix resin. The plant fibers are subjected to a surface modification pretreatment including a coupling treatment with a coupling agent and/or a fire retardation treatment with a fire retardant. The laminate has a stack structure including a layer of the plant fiber textile and at least one layer selected from a group consisting of following layers: glass fiber, aramid fiber or carbon fiber non-woven cloth or textile, preferably distributed within the matrix resin; polymer fiber non-woven cloth or textile, preferably distributed within the matrix resin; or polymer foam or rubber material.

Abstract: A method of manufacturing a structural member includes preheating a plurality of fibers to a first temperature, moving the preheated fibers along an assembly line, applying a binder to at least one of the preheated fibers, providing a die shaped to receive the preheated fibers, wherein the die moves together with the preheated fibers along at least a portion of the assembly line, maintaining a temperature of the plurality of fibers at a temperature substantially similar to the first temperature, and compressing the plurality of fibers within the die while maintaining a temperature.

Abstract: Clear polyurethane fiber reinforced composites are produced by a pultrusion process with a polyurethane-forming system that includes: (a) a clear, aliphatic polyisocyanate having a viscosity at 25° C. of no more than 1000 centipoise, (b) a colorless polyol component comprising an amine-initiated polyol having a molecular weight of from about 150 to about 400 and an OH functionality greater than or equal to 3, and (c) a catalyst. These fiber-reinforced composites are characterized by both excellent weathering characteristics and excellent physical properties.

Abstract: A new resin blend is disclosed, which may be referred to as a hybrid resin. The resin blend includes an effective amount of benzoxazine resin or benzoxazine derivative mixed with at least one of epoxy resin, phenolic resins and other thermosetting polymers at varying ratios. The new resin blend has enhanced hot/wet performance in down hole frac and bridge plug applications in a cost effective manner with ease of processing.

Abstract: Novel composite materials are provided consisting of a substrate based on fibers of natural, mineral or vegetable origin, and of a mixture formed from a matrix of water-based resin and an expanding agent. The nature and the proportions of the various elements constituting these novel composite materials is also provided. A method of manufacture for making these novel composite materials starting from the constituent elements and the characteristics of the different steps of said method is also provided.

Abstract: A method of forming a ceramic matrix composite structure. The method comprises forming at least one prepregged composite material comprising a ceramic fiber preform and a pre-ceramic matrix slurry. The at least one prepregged composite material is placed over at least one surface of a tool using an advanced fiber placement apparatus to form an at least partially uncured composite material structure. The at least partially uncured composite material structure is exposed at least to elevated temperatures to convert the at least partially uncured composite material structure into a ceramic matrix composite structure. A system for forming a ceramic matrix composite structure, an advanced fiber placement apparatus, and a ceramic matrix composite structure are also described.

Abstract: The invention described herein pertains to formaldehyde free, thermosetting liquid high solids binder compositions having rapid cure times on thermal curing and slow cure times at ambient temperatures so that the uncured binder compositions and products which comprise the uncured binder compositions have improved shelf lives.

Abstract: There is provided a shaped product made of a fiber-reinforced composite material including reinforcing fibers having an average fiber length of 5 to 100 mm and a thermoplastic resin. In the shaped product, a volume fraction of reinforcing fibers is 5 to 80%, a reference plane (S) and a standing plane (B) inclined at an angle of 45 to 90 degrees with respect to the reference plane are included, a ratio of an area of the standing plane (B) to an area of the reference plane (S) is 0.5 to 100, and in the fiber-reinforced composite material constituting the shaped product, a ratio of a reinforcing fiber bundle (A) including the reinforcing fibers of a critical number of single fiber or more to the total amount of the reinforcing fibers is 20 Vol % or more and 99 Vol % or less.

Abstract: An amino resin film, obtained by at least partial curing of an aminoplastic-nonwoven impregnate having a residual moisture of at least 4.0% by weight, comprising, in each case in relation to the total weight of the aminoplastic-nonwoven impregnate, (a) 5.0% by weight to 95.0% by weight of a partially cured aminoplastic resin and (b) 5.0% by weight to 95.0% by weight of a nonwoven, wherein the nonwoven comprises polyester fibers and polyamide fibers, and wherein the amino resin film has a residual moisture of less than 4.0% by weight.

Abstract: Methods of forming a curable pre-impregnated composite precursor material with radiation (e.g., actinic or electron-beam) curable resin composition systems are provided, as are the curable pre-impregnated composite precursor materials themselves. The resin systems have reversible temperature-viscosity control, which are advantageously used to form curable pre-impregnated composite precursor materials (pre-preg) that can be cured to form a composite article. The uncured resin composition comprises: (a) an acrylate or a methacrylate monomer; (b) an oligomer species selected from the group consisting of: polyethers, polyesters, epoxies, and combinations thereof; and (c) a photoinitiator. The uncured resin has a first viscosity at 21° C. (70° F.) of ?about 200,000 centipoise (cP) and a second viscosity of ?about 5,000 cP at 65° C. (149° F.) or above.

Abstract: A method of vacuum-assisted RTM includes disposing a resin distribution medium on one surface of a reinforcing-fiber substrate, covering the whole with a bag material, reducing the pressure inside the bag material, and injecting a resin into the resin distribution medium to distribute the resin substantially in in-plane directions and then impregnate the resin into the reinforcing-fiber substrate in the thickness direction.

Abstract: Binder for granular and/or fibrous substrates.

Abstract: The present invention provides inks and methods for making colored silicone hydrogel contact lenses. The ink of the invention comprises an actinically-curable binder copolymer comprising fluorine-containing segments and is characterized by having capability to be cured actinically or thermally to form a colored film on a molding surface of a mold or a silicone hydrogel contact lens and by having an increased durability in a solvated state in a silicone-hydrogel lens formulation in relation to a control colored film obtained from a control ink including an actinically-curable fluorine-free binder copolymer. The invention also provides methods for making colored silicone hydrogel contact lenses based on print-on-mold processes for producing colored contact lenses.

Abstract: The invention provides a silicone resin composition for producing a silicone laminated substrate by being impregnated in a glass cloth and cured therein, comprising: (A) an organopolysiloxane with a 3-dimensional network structure composed of an R1SiO1.5 unit and an R2SiO1.5 unit and a T unit represented by an RSiO1.5 unit; (B) an organohydrogenpolysiloxane composed of an R1SiO1.5 unit, an R12SiO unit and an R1aHbSiO(4-a-b)/2 unit; (C) a platinum group metal catalyst; and (D) a filler. There can be a silicone resin composition having a high glass transition temperature, a silicone laminated substrate excellent in properties such as heat resistance and weatherability having low thermal expansion coefficient and suppressed warp and deformation, a method for producing the same and an LED device.

Abstract: The present invention relates to a pultrusion resin system, comprising (a) di- or polyisocyanates, (b) compounds having at least two groups reactive toward isocyanates, (c) catalyst, (d) polybasic acid with functionality greater than or equal to 2 and, optionally, (e) further auxiliaries and additives, where the boiling point of the polybasic acid is at least 200° C. at standard pressure and it is soluble in the compound having at least two groups reactive toward isocyanates. The invention further relates to a process for producing a pultrudate, and also to this pultrudate.

Abstract: In an embodiment of the disclosure, there is provided a method to reduce porosity in a composite structure. The method adds an additive to a resin material to form an additive-resin mixture. The method combines the additive-resin mixture with reinforcement fibers to form a composite prepreg material, and in turn, a composite structure. The method heat cures the composite structure in a heating apparatus under a vacuum device at the resin cure temperature, heats the composite structure to an increased temperature above the additive phase transition temperature, and maintains the increased temperature for a time period sufficient. The method reduces the increased temperature back down to the resin cure temperature to allow the additive gas to undergo a phase transition to a condense phase, resulting in a substantially reduced vacuum pressure, resulting in a reduction in a porosity of the composite structure.

Abstract: A method for making a ladder rail includes the steps of using a central reinforcement to carry structural resin and maintain distribution of structural resin through an impregnation process, wherein the central reinforcement is fed to a curing die at a rate of greater than 5 ft/min. There is the step of forming the rail.

Abstract: A process for manufacturing a composite block of closed geometry, in the form of a continuous ring, based on fibers and on a crosslinkable resin, by continuous winding and superposition of several layers of a tape of reinforcement fibers embedded in a matrix based on a composition comprising a crosslinkable resin. The process comprises from upstream to downstream, the following steps: producing a rectilinear arrangement (12) of reinforcement fibers (11) and conveying this arrangement in a feed direction (F); degassing the arrangement (12) of fibers by the action of a vacuum (13); after degassing, impregnating said arrangement (12) of fibers under vacuum with said resin composition in the liquid state (17); passing the pre-preg thus obtained through a die (20) to make said pre-preg into the form of a tape (21) composed of reinforcement fibers (11) in their liquid resin (17) matrix, the thickness of said tape being less than 0.

Abstract: Prepreg for manufacturing a fiber-reinforced composite material, the prepreg comprising a layer of dry fibers and a layer of resin material adhered to a surface of the layer of dry fibers, the resin material having a plurality of particles dispersed therein, the particles have an average particle size that is larger than the average fiber separation of the layer of dry fibers.

Abstract: A device for retrieving an intravascular device from a body lumen is disclosed. A retrieval device in accordance with an exemplary embodiment of the present invention includes a braided member coupled to an elongated shaft member. The braided member may include a number of filaments defining a radially expandable inner lumen configured to receive and encapsulate the intravascular device therein. An elastomeric jacket disposed about at least a portion of the braided member may encase the filaments.

Abstract: A die and a method for impregnating at least one fiber roving with a polymer resin are disclosed. The die includes an impregnation section comprising an impregnation zone configured to impregnate the roving with the resin. The die further includes a passage at least partially defined in the impregnation section and in fluid communication with the impregnation zone, and a pump in fluid communication with the passage. The method includes coating at least one fiber roving with a polymer resin, traversing the coated roving through an impregnation zone of an impregnation section to impregnate the roving with the resin, and applying an external pressure to the impregnation zone.

Abstract: An impregnation section of a die and a method for impregnating at least one fiber roving with a polymer resin are disclosed. The impregnation section includes an impregnation zone configured to impregnate the roving with the resin. The impregnation zone includes a plurality of contact surfaces, at least one of the plurality of contact surfaces defining a cut-away portion downstream in a run direction of the roving of a point-of-contact for the at least one of the plurality of contact surfaces. The at least one of the plurality of contact surfaces further includes an edge defined by the cut-away portion. Excess material build up is reduced by the cut-away portion.

Abstract: A thin metal casing with plastic parts and a manufacturing method thereof are revealed. A thin metal casing already formed having on one surface processed and coated with a decorative outer layer is provided. A thermoplastic rubber (TPR) adhesive layer is disposed on an unprocessed surface of the thin metal casing. The TPR adhesive layer is synthesized by butadiene-styrene block copolymer and hydrocarbon petroleum resin. Then the thin metal casing with the TPR adhesive layer is set and fixed in a cavity of an injection molding mold. Next plastic parts are formed on the TPR adhesive layer of the thin metal casing by plastic injection molding. The plastic parts are melted and connected to the TPR adhesive layer integrally by pressure and temperature of injection material. Simultaneously a part of the TPR adhesive layer is infiltrated into existing micro concave holes on surface of the thin metal casing.