MULTI-SHAPE TOE CAP USING ULTRALIGHT COMPLEX MATERIAL AND MANUFACTURING METHOD THEREOF

Using composite materials spot the present invention according to a multishaded tow cap a nonwoven fabric composite material, film, glass fiber reinforced plastic, polyethylene teraphthalate (Polyethylene terephthalate, PET). includes a nonwoven fabric.

Figure 1 shows a spot polymorphic using composite materials of the present invention also on tow cap for a laminated structure including a composite material is indicative of the surface.

Spot the present invention according to toe multishaded a using composite materials alpha has a laminated structure of composite material of the non-woven material layers of cyclo sulfide using chemical; a film layer imparting adhesive function; polyethylene and glass fibers including glass fiber reinforcement plastic layer ; appearance that attempt to protect polyethylene teraphthalate (PET) layer; includes.

Said alpha nonwoven fabric (Metallocene Alpha Olefin Polymer) to melt index (MFI) is 2.0-9.0g/10 ingredient resin of cyclo, cm³ / 0.88-0.92g density, it is preferred that a m micro 100-150 thickness.

Said alpha using-laid nonwoven fabric of cyclo resin melt index (MFI) is 2.0g/10 minutes or less upon processing by the hot compression when pin separates by badness of surface of can be delamination occurs and the, 9.0g/10 a exceeds the can be lowered because of the physical property.

Furthermore, said alpha using-laid nonwoven fabric density of resin of cyclo 0.88g/cm ³ when less than for lightweight shape of product or product-tolerance is increased by a row major order bidirectional elongation and strength can be reduced as is, exceeds the 0.92g/cm ³ is densified interval of a non woven web tension of a fiber through the surface during a press after influence of unit is at least arranged in the. to be a mobile.

Furthermore, said-laid nonwoven fabric thickness of a nonwoven fabric used when less than 100 micro m after high temperature forming which may result in a shape deforming, when greater than 150 micro m thick thickness of nonwoven fabric is provided to reduce the fabricating forming characteristic of cover the joining member occurs.

Said film layer for adhesive function, said film, glass fiber reinforced plastic are placed between one imparts a adhesion.

Is in said film and, at the same time, forming double-clad nonwoven fabric composed of glass fibre film impregnated in the cooling process after high temperature forming the shape-maintaining cross-fixedly mounted to the single fan blade, double-clad structure. adhesion formed to correspond to each.

A tow film said breathable cap used in a double scan breathable reinforced poly propylene films are used it is preferred that a.

Said glass fiber reinforced plastic a leveler toe multishaded a using composite materials and serves to direct a rigid main based on.

Said glass fiber reinforced plastic polypropylene (Polypropylene), fiberglass (fibrous glass) includes and an additive. The glass fiber reinforced plastic said said glass fiber reinforced plastic polypropylene (Polypropylene) 25 to 75 weight %, fiberglass (fibrous glass) 25 to 75 weight %, 0 to 5% weight additive in a preferably.

Said glass fiber reinforced plastic comprises a polypropylene content of less than 25 weight % when material forming characteristic of expansion ratio in the range of is reduced, which is difficult to form realizing, exceeds the weight 75% polypropylene contrast the low content of the glass fibers and outputs signals corresponding to a predetermined of rigidity, material occurs.

Furthermore, said glass fiber reinforced plastic fibers constituting the glass content of less than 25 weight % layer to expose a specific rigidity of material when torque is generated, 55 weight % maximum exceeds the material softness or rigidity standby form realizing away occurs.

Said glass fiber reinforced plastic the additive as antioxidant, pigment, may further include any shows various plasticizer.

Said glass fiber reinforced plastic fiberglass polypropylene and constituting the concentration of 10 mg/m³, acceptable exposed limitations is 5 mg/m³, additive concentration of 3.5 mg/m³, acceptable exposed limitations it is preferred that a 3.5 mg/m³.

Said polyethylene teraphthalate (Polyethylene terephthalate, PET) nonwoven fabric glass fiber reinforced plastic is attached to a backside of web upon formable, first guide is and glass fiber much as inhibiting imparts a scratch to external performing.

10T (mm) to 4 thickness said PET nonwoven fabric, and the tensile strength 150 to 350 kg/in it is preferred that a.

When less than 4T said PET nonwoven fabric thickness of the support is combined to an end of a fabric screen displays 10T can be tow exceeds the reduction and a weight reduction of a cap a hatch causing various problems.

Said PET nonwoven fabric containing a blowing agent chemical therein the 100 to 150 °C unit moves simultaneously at the same distance a foaming minutes or less 2 preferably is coated on an alloy.

Using composite materials of the present invention is the spot a multishaded tow cap manufacturing method for drawing. rapidly and to reduce a memory using.

First, to form a laminated structure step number 1. Specifically, ultra light high-using composite materials to form a tire.

Said alpha stacks of the non-woven material layers of cyclo sulfide using chemical; reinforced polypropylene breathable layer film made film (Polypropylene); polyethylene and core layer including glass fibers; appearance that attempt to protect polyethylene teraphthalate (PET) layer; includes.

Next, said step is syncytial comprising a laminate structure composed of a number 2. Specifically, a laminated structure of the non-woven material layers said, film layer, core layer, total layer PET 4 of twin sheet is thermoformed into a 200 °C to 150 phase is formed by syncytial through.

For thermoforming said embodiment the power in less than 150 °C a combination member is formed to syncytial between the sheet when the film is to be formed does not take place in the exceeds a 200 °C or occurs includes a plurality of corpuscles electrically movable sheet when, high thermal of is provided to reduce the fabricating efficiency as required to occurs.

Next, of a laminated structure syncytial said step number 3 a multishaded structure of molds for thermoforming using the embodiment. Specifically, said film of laminate structure comprising composite materials multishaded structure of molds, and the vacuum is [...] compress the.

Serial 350 to 420 °C 150ton within said vacuum [...] vacuum class or above, utilizes [...] , 3bar to 2 190 to 205 °C within the bending high temperature and pressures of it is preferable that the.

Temperature at process by the hot compression said transformer are transmitted less than 190 °C the low forming characteristic of lets a tire and causing various problems increase, 205 °C exceeds the cooling time is too long is table comprises the steps of: calculating a central portion of the metallic piece.

Said a high temperature compression pressure during 2bar is less than the because of pressure is determined to be implemented form consisted of and standby can be a its low adhesion layers, 2bar exceeds the destruction portion nonwoven fabric due to a squeezing excessive, wrinkle on the surface of, overlapping and preventing a defect such as can generate a.

Also the mold for said multishaded structure as shown in the 2 barrel device tow of the present invention may have a variety of shapes preferably preferably is designed such that a single. Thereof in one example, 5 rod air within the molded top level using of molds 50 to 120 cm vertically compression vacuum molding press which desorbs automatic growth process is performed by at least one 5. product is produced.

Also 3 to Figure 4 shows a exemplary mold of the present invention also toe 3D shaped structure is indicative of the surface.

Next, said step number 4 manufactured thermoforming. cold forming a laminated structure. Specifically, the cold forming a laminated structure obtained thermoforming said tow cap the fabrication is completed.

Using composite materials of the present invention is the spot a multishaded tow cap weight, the covering property and the durability to economize in quality characteristic showed the embodiment land thereby, the cold air flows.

[In the embodiment 1]

In the embodiment 1 of the present invention the spot toe multishaded a using composite materials in manufacturing method, alpha of cyclo resin of the non-woven material layers; polypropylene (Polypropylene) film layer; polyethylene 50 weight %, 50 weight % glass fiber a core that comprises a layer; polyethylene teraphthalate (PET) layer; a spot on using composite materials including toe is polymorphic.

[Compared e.g. 1]

Compared example 1 fast reaction rate is toe of steel.

An ultralight having excellent impact strength of the present invention using composite materials to 1 table cap tow on polymorphic, as shown of the commonly used steel material specific gravity compared to a 10% hereinafter 7.93g/m ³ 0.3g/m ³ which low, impact strength properties of less than 90 to 155J/m as toe in/g. impact resistance and sufficient.

I.e., said manufacturing method presented compared to the steel material which significantly lower specific gravity, an ultralight having excellent impact strength tow multishaded a using composite materials forming the cap, such as breathable weight given with function of tow permits manufacturing barrel device.