CN1962300A - Weather strip and manufacturing method thereof - Google Patents
Weather strip and manufacturing method thereof Download PDFInfo
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- CN1962300A CN1962300A CNA2006101385562A CN200610138556A CN1962300A CN 1962300 A CN1962300 A CN 1962300A CN A2006101385562 A CNA2006101385562 A CN A2006101385562A CN 200610138556 A CN200610138556 A CN 200610138556A CN 1962300 A CN1962300 A CN 1962300A
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- fine hair
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- sealing band
- flocking
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Abstract
A weather strip is mounted on a circumferential portion of a door opening for a vehicle door. The weather strip includes a trim portion having a substantially U-shaped cross section and a hollow seal portion, and a designed lip is formed on the trim portion so as to extend therefrom. An adhesive layer and a flocked portion are formed on a designed surface of the weather strip such as an external surface of the designed lip, the flocked portion being provided with a multiplicity of pile fibers which are bonded to the adhesive layer at one end thereof, which pile fibers are each angled randomly with respect to a normal direction to the external surface of the lip portion.
Description
Technical field
The present invention relates to a kind of sealing band and the job operation that is used to make the sealing bar.More particularly, the present invention relates to the job operation of flocking sealing band and this type of sealing band.
Background technology
Usually, sealing band is provided with along the perimembranous of motor vehicle door (for example self-propelled vehicle) or the door opening perimembranous of vehicle body.As the example of sealing band, prior art for example is, sealing band comprises the holding division with U-shaped cross-section roughly and be set to hollow sealing portion from the holding division projection, holding division be installed in the perimembranous of car door or the flange that forms along the door opening perimembranous on.Like this, when closing of the door, sealing contacts with the perimembranous pressure of door opening perimembranous or car door, thereby sets up sealing between car door and vehicle body.
In the last few years, for the part seen under installing condition in the sealing band outside face (for example its appearance or sealing surface), require also to have with inner-decoration component (for example, fabric) identical presentation quality at the demand, provides a kind of like this sealing band, adhere to fabric at its outside face, thereby realize the raising (referring to, for example, the open NO.JP-B-6-104343 of Japanese Patent) of its design function.Yet, when fabric is additional to sealing band, usually, hinder the distortion of sealing for fear of fabric when the closing of the door, adhesives is put on the outside face of sealing, thereby stop the outside face of sealing to adhere on the fabric.
Yet under the outside face that prevents sealing adhered to situation on the fabric, when sealing band was installed to door opening perimembranous etc., on parts such as bight, fabric was with the sealing distortion, and may cause the risk that produces gauffer on fabric.
By comparison, under the outside face of sealing band is adhered to situation on the fabric, owing to make sealing distortion difficulty, worry will cause sealing property to descend.
Further, proposed a kind of like this sealing band,, realized the raising (referring to, for example, the open No.JP-54-79613U of Japanese Utility Model) of appearance property wherein by on the appearance of holding division, applying flocking.
But, in correlation technique,, make fine hair (pile fibers) almost adhere to perpendicular to holding division owing to, flocking is put on the holding division that constitutes base material (base material) by flocking processing, the outward appearance of homogeneous so only is provided.The outward appearance of homogeneous appears as made, can't experience the natural sense of touch such as fabric or weaving goods.In addition, though the purpose of flocking is for irregular effect being provided on the holding division surface, still being difficult to produce the sensation naturally of fabric or weaving goods.
Summary of the invention
The present invention is conceived to address the above problem, and the object of the present invention is to provide a kind of sealing band, the sealing bar can improve the presentation quality at flocking portion place on the basis of keeping original function (for example sealing property of sealing), the present invention also provides the method for making this sealing band.
Hereinafter, the aspect that the present invention deals with problems will be set forth.
A first aspect of the present invention provides a kind of sealing band, comprising:
Holding division with U-shaped cross-section is adapted to be mounted to the car door perimembranous and along on one of flange of vehicle body door opening perimembranous;
Sealing is from the holding division projection, to contact with component when the closing of the door;
Flocking portion adheres to the adhesive phase of sealing band outside face presumptive area,
Wherein, flocking portion is provided with a large amount of fine hair of adhering on the adhesive phase to form matte, makes the normal direction of fine hair and sealing band outside face form arbitrarily angled.
According to a first aspect of the invention,, on the surface of flocking portion, provide the fitfull effect, therefore can present the sensation of nature by applying fine hair towards various any directions.As a result, can realize the raising of presentation quality in the flocking portion.
In addition, especially, if flocking portion is arranged on the holding division, be different from by flocking processing fine hair is approximately perpendicular to the technology that base material applies, because constituting the holding division of base material (or base material) is coated with and becomes fine hair at any angle with normal direction, even also can increase the effect of covering the base material color under the situation of holding division outside face seeing by normal direction.As a result, even base material is presented under the situation of black containing carbon black owing to material, can cover this black.
In sealing band according to the present invention, adhesive phase can pass through painted formation.
According to this structure,, also can cover black even present owing to carbon black under the situation of black at holding division and lip.As a result, from the tone aspect, can realize the raising of flocking portion place's presentation quality.Attention: the color of adhesive phase can be black, with crew department's interior trim parts match.
In sealing band according to the present invention, can be by coloured fine hair flocking be formed flocking portion.
According to this structure, by using coloured fine hair, for example, the tone that provides roughly near with the crew department in the fabric of coupling such as inner-decoration component, therefore may realize the raising of presentation quality.In addition, cover the black of holding division and lip, therefore can be implemented in the raising of flocking portion place's presentation quality.In addition, especially, under the situation of using coloured fine hair, become the fine hair of various angles with normal direction through covering in conjunction with the holding division of above-mentioned formation base material, the feasible better effects if of covering the base material color, therefore by fully covering the color of base material, suppressed the shortcoming that color of the trichomes weakens or produce deviation.
In addition, identical with adhesive phase, the color of flocking portion can be black, with the crew department in the color-match of inner-decoration component.In addition, when the supposition adhesive phase have color, when coloured fine hair is used for flocking portion, " color of adhesive phase and flocking portion is the color of same color or the identical colour system " state that can be regarded as in this respect of the present invention.By adopting this structure, the color distortion between adhesive phase and the flocking portion weakens, and therefore may increase the effect of covering to the base material color.
In sealing band according to the present invention, can form adhesive phase by adhesives based on water-based polyurethane resin.
According to this structure, fine hair can adhere on the sealing band of being made by elastomeric material by the adhesives based on water-based polyurethane more firm and more solidly.In addition, because adhesives can not discharge volatile organic component (VOC), formaldehyde for example, adhesives is affine in environment.
Another aspect of the present invention provides a kind of sealing band manufacture method that is used to make sealing band, comprising:
Extrusion step is extruded the base portion of sealing band;
Surface treatment applies step, and the outside face of base portion is applied surface treatment;
Adhesives applies step, adhesives is applied on the outside face that applies the surface treatment base portion; And
The flocking step is applied with in base portion on the part of adhesives, uses electrostatic gun with the fine hair flocking.
According to this structure,, be convenient to form adhesive phase by sealing band base portion outside face is applied surface treatment.
In the sealing band in according to the present invention, flocking portion can stick to the outside face of sealing.
According to this structure,, can obtain textile-like outward appearance and apperance design performance for sealing.Be different from the situation that true fabric is adhered to the sealing outside face because when sealing band is installed, can be etc. in the bight generation gauffer, avoid the reduction of presentation quality.In addition, because when closing of the door or analogue, sealing can be out of shape without difficulty, can stop sealing property to reduce equally.As a result, when keeping the both seals performance, can improve the sealing band presentation quality.Attention: " sealing outside face " is illustrated in the visible part on sealing band installing condition lower seal portion surface, and the purpose of the words is to be used for getting rid of seeing part, for example towards the part that constitutes holding division that base portion is installed and covered by inner-decoration component etc.Certainly, under flocking portion is formed on situation on the invisible part, this will can not cause any problem, and for having reached the purpose that realizes improving the appearance design performance, flocking portion only need be formed on sealing appreciiable part (outside face) at least.
In sealing band according to the present invention, fine hair can bend to curve-like.
Vertically be sprayed onto under the situation on sealing surface at (directly) fine hair that will form linearity, even under the situation of the cheap coloured fine hair of the also dense sprinkling of transparent fine hair of both dense sprinklings, the sealing surface that constitutes base material is an appreciiable, and may cause the sealing band appearance degradation.In addition, owing to contain carbon black usually, be difficult to make sealed strip that required color is arranged, and may cause the problems referred to above more outstanding as supporting material as the elastomeric material of sealing strip material.As a result, use the fine hair that forms linearity, texture is different because of the angle of observing sealing band, and the extremely difficult outward appearance that obtains textile-like.
In contrast, spray and to bend to curvilinear (bending) fine hair, because fine hair twines mutually, and fine hair is positioned on the surface of sealing, guaranteed to cover the effect on sealing surface, and can obtain the more texture of textile-like.
In sealing band according to the present invention, can spray a large amount of fine hair and make it to place any direction.
According to this structure,, also can obtain and the function and advantage identical functions and the advantage that obtain by the above-mentioned aspect of the present invention even under the situation of using straight fine hair.In addition, by using the synergy of crooked fine hair, can enhancement function and effect.When forming flocking portion on the outside face at sealing, adhesive phase is formed on the outside face of sealing, afterwards, spray fine hair, make fine hair thrust the outside face of adhesive phase (or be fixed to outside face on an end of fine hair).In the case, " spraying fine hair " expression to place any direction, the direction that fine hair thrusts adhesive phase at the one end, that is, and the direction that the fine hair fixed end points to.Thus, twine by fine hair, the outside face of sealing looks textile-like, even during the sealing distortion, the fine hair of winding also not exhibitions reaches such degree, makes the winding roughen between the fiber, to such an extent as to can see the black of base material.On the contrary, form in application under the situation of fine hair of straight shape and flocking, keep vertically thereby spray fine hair, and therefore, flocking portion looks unlike fabric.In addition, when sealing is out of shape, make the straight fine hair that keeps vertical separated from one another,, cause the black appreciiable risk of base material by the coarse part of generation like this to the degree that produces coarse part.In addition, spray a large amount of fine hair to form the spray method of any direction for being used to, can use such method, wherein working pressure spray gun or electrostatic gun spray fine hair.
In sealing band according to the present invention, be used to adhere to the adhesives of fine hair, after it solidifies, can have 100% or higher extensibility.
According to this structure, because adhesives is flexible, adhesives can be followed the sealing distortion, therefore can suppress the reduction of sealing property.Attention: although will be described below, " extensibility after adhesives solidifies " meaning is: when adhesives is made film, and extensibility at normal temperatures.
In sealing band according to the present invention, can comprise carbodiimide curing agent or epoxy hardener based on the adhesives of water-based polyurethane resin.
According to this structure, can realize the increase of resistance to abrasion.
In sealing band according to the present invention, sealing can be formed by the elastic sponge material.
In the present invention, preferably, on the outside face of sealing, form the flocking portion that is provided with a large amount of fine hair at least, this villus length divides Tekes smaller or equal to 6.7T to divide Tekes smaller or equal to 1.0mm and fineness more than or equal to 2.2T more than or equal to 0.6mm.
By using short relatively and thin relatively above-mentioned fine hair than conventional fine hair (being used for common flocking), as the fine hair that flocking portion is provided, work as closing of the door, when sealing contacts with door opening perimembranous pressure, this fine hair is not easy to collapse, and along with opening car door, the fine hair that collapses can easily recover its original state.As a result, when car door opening, the part place constituting sealing surfaces is difficult for staying the contact marking.In addition, can suppress the decline of presentation quality, this reasons for quality decrease is, because the fine hair that collapses can be reflective, makes the contact marking look brighter than other parts.
Notice that " outside face of sealing " is illustrated in the lip-deep visible part of sealing band installing condition lower seal portion, and purpose is in order to get rid of invisible part, for example the part of covering by inner-decoration component etc. towards the partial sum that constitutes the holding division that base portion is installed.Certainly, even under flocking portion is formed on situation on the invisible part, will can not cause any problem, from realizing improving the appearance design functional point of view, flocking portion only need be formed on the appreciable part of sealing (outside face) at least.
In addition, the contact marking that produces when making closing of the door more is difficult for seeing, preferably, smaller or equal to 0.8mm, and its fineness is divided Tekes more than or equal to 3.3T to villus length more than or equal to 0.6mm.Yet, under the situation of the fine hair below the 0.6mm, described in hereinafter, when use is bent into curvilinear fine hair, be difficult to produce the curve or the bending of expection, so fine hair becomes straight with length.Therefore use the fine hair of length below 0.6mm inadvisable.In addition, divide fine hair more than the Tekes at 6.7T, be difficult to obtain the outward appearance of textile-like, therefore do not recommend to use for fineness.
In sealing band according to the present invention, wherein a large amount of fine hair are provided as the fine hair with two or more different colours, wherein comprise white at least.
According to this structure, because the color of whole flocking portion is the secondary colour that comprises white, even producing under the situation of the contact marking on the sealing, because the fine hair that collapses is reflective, be difficult to find out the difference between the contact marking and other parts, and make that the contact marking is not obvious.As a result, the reduction of presentation quality is suppressed.
In sealing band according to the present invention, fine hair can be bent into curve-like.
If (directly) fine hair that sprinkling forms straight shape may cause the intrinsic problem of correlation technique more outstanding with respect to the sealing Surface Vertical.In contrast to this, under the situation of spraying curve-like (or crooked) fine hair, because the fine hair that the method is sprayed twines each other or with respect to the sealing surface tilt, can provide and the function and advantage identical functions and the advantage that provide by method 2.Attention: during with the fine hair of length below 0.6mm,, it is therefore preferable that and use the fine hair of length more than or equal to 0.6mm owing to be difficult to produce the bending of expection.In addition, with the fine hair of length more than 1.0mm, fine hair twines in spray tip mutually, thereby therefore easy plug nozzle, is difficult to obtain the fine hair sprinkling of homogeneous, does not preferably use the fine hair of length more than 1.0mm.
In sealing band according to the present invention, a large amount of fine hair sprinklings can be placed direction arbitrarily.
According to this structure,, can obtain and the function and advantage identical functions and the advantage that obtain by other aspects of the present invention even under the situation of using straight fine hair.In addition, can enhancement function and effect.When forming flocking portion on the sealing outside face, adhesive phase is formed on the sealing outside face, afterwards, sprays fine hair, with the outside face (or an end of fine hair is fixed in this place) that thrusts adhesive phase.In the case, the direction that " fine hair sprays any direction at place, back " expression fine hair thrusts adhesive phase at the one end, that is, and the direction that the fixed end of fine hair points to.Thus, twine by means of fine hair, the outside face of sealing looks textile-like, and even the sealing distortion, the fine hair of winding is so far not unfolded, makes that the winding between the fiber becomes coarse, thereby can see the black of base material.On the contrary, all form straight shape and adopt under the situation of flocking at fine hair, fine hair sprays the back and keeps vertically, and therefore, flocking portion looks unlike fabric.In addition, when sealing is out of shape, make vertical straight fine hair be separated from each other to the degree that produces coarse part, cause to see by the coarse part of such generation the black of base material.In addition, spray a large amount of fine hair to point to the spray method of any direction, can adopt Spray Gun Of The Pressure or electrostatic gun to spray fine hair as being used to.
Description of drawings
Fig. 1 is the shaft side figure that self-propelled vehicle is shown.
Fig. 2 is the cutaway view that illustrates according to the first embodiment of the invention sealing band.
Fig. 3 is the cutaway view that the middle extruded material of sealing band is shown.
Fig. 4 is the local amplification view of explanation adhesive phase and flocking portion.
Fig. 5 is the scheme drawing that part sealing band manufacturing line is shown.
Fig. 6 is the cutaway view that the sealing band of the second and the 3rd embodiment according to the present invention is shown.
The local amplification view that Fig. 7 collapses for explanation fine hair.
The specific embodiment
(first embodiment)
Hereinafter, describe the first embodiment of the present invention with reference to the accompanying drawings.As shown in Figure 1, car door 2 is set to sidepiece switch at vehicle 1, along the perimembranous of door opening 3 sealing band 4 is installed, door opening 3 is formed in the body portion corresponding to car door 2.The sealing band 4 of present embodiment is mainly by extruding formation, and integral body forms ring-type.
As shown in Figure 2, sealing band 4 comprises: holding division 5 and sealing 6.Holding division 5 comprises madial wall portion 11, lateral wall portion 12 and the connecting portion 13 that wall portion 11,12 is connected together, and therefore forming integral body has roughly U-shaped cross-section.(ethylene-propylene-random copolymers, EPDM) make, and metal insert 14 is embedded its inside by closely knit rubber by Ethylene Propylene Terpolymer for holding division 5.Attention: in the present embodiment, adopt EPDM rubber to make sealing band 4.This ethylene propylene diene rubber comprises the carbon black as supporting material, and base material is a black.
A plurality of clamping lips 15 are integrally formed on the inside face (surface towards the car inboard) of lateral wall portion 12, thereby extend the inboard (towards the car inboard) towards holding division 5, the lip of clamping simultaneously 16 is integrally formed on the inside face (surface towards the car outside) of madial wall portion 11, thereby extends towards the inboard (towards the car outside) of holding division 5.In sealing 6 perimembranous one side in door opening 3, outward appearance lip 18 is formed on the connecting portion 13, thereby extends from here to cover the inner-decoration component (not shown), as the car interior trim.Outward appearance lip 18 is corresponding to lip of the present invention.Attention: holding division can form roughly L type cross-sectional plane by the connecting bridge of lateral wall portion and formation diapire.In this case, there is not inserts to embed wherein.In addition, can adopt the structure that does not form the clamping lip, thereby holding division is tightly adhered on the flange by the mode of double coated pressure-sensitive adhesive tape.
In addition, the result as body inner panel 21 connects together with outside plate 22 along the perimembranous formation flange 23 of door opening 3, and is fixed on holding division 5 on the flange 23 of formation like this, and therefore, sealing band 4 remains on the perimembranous of door opening 3.
On the other hand, sealing 6 is wholy set in the outside of lateral wall portion 12, thus projection from here, and sealing 6 is made for hollow structure by the Ethylene Propylene Terpolymer expanded cellular rubber as the elastic sponge material.Like this, when car door 2 is closed, the perimembranous of sealing 6 pressure contact car door 2, thus between the vehicle body of car door 2 and self-propelled vehicle 1, set up sealing.
Under installing condition, describe, on sealing band 4 outside faces, form the appearance surfaces D that exposes as its appearance, the outside face that forms appearance surfaces comprises following part: extend to its close end from the terminal part of outward appearance lip 18 basically, and the connecting portion 13 of crossing holding division 5 arrives in the sealings 6 part continuous with lateral wall portion 12.Shown in the local amplification view of Fig. 4, adhesive phase 28 is formed on the appearance surfaces D, and flocking portion 29 is formed on the adhesive phase 28.Attention: appearance surfaces D comprises fold back portion.
As the adhesives that adhesive phase 28 is provided, use adhesives, and the color of adhesives is light brown, becomes opaque owing to having sneaked into colouring aid therein based on water-based polyurethane.Certainly, the color of adhesives is not limited only to light brown and other colors (getting final product so long as not the black that is obtained by carbon black, for example redness, blueness, grey, brown (dark-brown) or the like), and its color can be used the color that is matched with inner-decoration component (decoration).Attention: the inner-decoration component of arranging in the crew department etc. is under the situation of color of black keynote, can add black pigment to adjust adhesive phase 28, so that it is matched with inner-decoration component etc. among the crew department aspect color and gloss.
By on adhesive phase 28, using electrostatic gun to spray a large amount of fine hair 29a, form the flocking portion 29 in the present embodiment, and fine hair 29a bonds on the adhesive phase 28 at the one end, and it is arbitrarily angled to form at random (difference) with respect to the normal direction of appearance surfaces D separately.Attention: in the present embodiment, as fine hair 29a, using the about 0.5mm of length is the polyamide fibre of 1.5 to 3 daniers to 0.8mm and fineness (thickness).In addition, the color of fine hair 29a is light brown, constitutes the color identical with adhesive phase 28.Certainly, the color of fine hair 29a is not limited only to light brown, therefore, is similar to adhesive phase 28, and fine hair 29a can be the random color with inner-decoration component (for example decorate etc.) coupling.
The manufacture method of sealing band 4 is described below.Fig. 5 is the scheme drawing of sealing band 4 part producing lines, and in the drawings, sealing band 4 draws production from left to right.
At first, in extrusion step,, inserts 14 is offered extruder 31 continuously with unvulcanized ethylene propylene diene rubber.Then, from the mould of Rubber Extruder 31, extruding provides the middle extruded material 32 of sealing band 4 base portions (referring to Fig. 3), thereby is coated with unvulcanized ethylene propylene diene rubber on the inserts 14.In this stage, middle extruded material 32 is extruded and is substantially planar, as shown in Figure 3, is open plane thereby bury the position underground with holding division 5 cooresponding inserts 14.
In the vulcanisation step after extrusion step, the middle extruded material of so extruding 32 is pulled and enters the high-frequency vulcanization case (UHF) 33 that is used for presulfurization.After this, middle extruded material 32 is pulled and enters the dry heat cure case (HAV) 34 that is used for post vulcanization, the sulfuration of extruded material 32 in the middle of finishing herein.
Surface treatment after vulcanisation step applies in the step, applies surface treatment by 37 pairs of middle extruded materials 32 of surface processing equipment, thereby adhesive phase 28 is formed easily, describes adhesive phase 28 hereinafter.As surface treatment, can use electric arc to handle (plasma treatment), corona treatment, primer coating etc., these processing provide polarity.
After this, in applying the adhesives step, adhesives is put on the surface of middle extruded material 32, thereby form adhesive phase 28 by adhesives bringing device 38.
In the flocking step of following, at first, in flocking apparatus 39, the working pressure spray gun is sprayed onto a large amount of fine hair 29a on the part that is applied with adhesives.Under predetermined air pressure, Spray Gun Of The Pressure is transported to the fine hair chamber interior as far as possible with fine hair 29a, and under predetermined air pressure, from outlet fine hair 29a is sprayed onto the part that is applied with adhesives.At this moment, the fine hair 29a of sprinkling like this is planted on adhesive phase 28 towards different directions.Then, in drier 40, the adhesives that applies is heating and curing, thereby fine hair 29a is secured in place, makes that fine hair 29a can be from this disengaging.After this, in air blower 41, unnecessary fine hair 29a is blown off from adhesive phase 28.Through after the above-mentioned steps, finished flocking portion 29.
Selectively, in the flocking step, can use electrostatic gun that fine hair 29a is sprayed onto on the middle extruded material 32.Electrostatic gun is transported to internally charged chamber with fine hair 29a under predetermined air pressure, afterwards, so carry the fine hair 29a that comes in to pass through static and charged, and electrostatic gun is sprayed onto the position that is applied with adhesives with the fine hair 29a of static electrification from its outlet.In addition, make the adhesives heatcure in drier 40, after this fine hair 29a is fixed on the adhesive phase 28, thereby fine hair can not come off from here, the fine hair 29a that blows off unnecessary in air blower 41.After these steps were finished, flocking portion 29 finished.In the appearance surfaces D corresponding to the bight (applying bending process herein) of holding division 5, flocking applies closelyer than other positions, thereby after sealing band 4 was made, flocking portion 29 can form and have roughly consistent density in the whole zone of appearance surfaces D.
By bending machine 42, the middle extruded material 32 of flocking like this is applied bending process, have the roughly holding division 5 of U-shaped cross-section thereby form.After this, middle extruded material 32 is cut into predetermined length, thereby obtains sealing band 4 with cutting machine 43.
Attention: can after vulcanisation step, apply before the adhesives step, implement to use the bending process of bending machine 42.In the case, can prevent from flocked surface, to damage by the roller of bending machine 42.In addition, inserts 14 can be pre-formed into the cross sectional shape that upwards arches upward or form the bent angle shape, is used to offer Rubber Extruder 31, covers thereby carry out bending machining and rubber easily.
In addition, when above-mentioned manufacture method being used on continuous manufacturing line, make sealing band, sealing band can be by following method manufacturing: make long sulfuration sealing strip material on manufacturing line, afterwards, on another manufacturing line long sealing band is carried out flocking and process.
As described previously, in the present embodiment, by spraying fine hair 29a with electrostatic gun, via adhesive phase 28, on the appearance surfaces D of sealing band 4, form flocking portion 29, the for example outside face of outward appearance lip 18, so fine hair 29a is adhered on the adhesive phase 28 at the one end, and each becomes angle arbitrarily with the normal direction of appearance surfaces D.Thereby by implanting the fine hair 29a of different directions, it is irregular that flocking portion 29 is shown as, and therefore can show the sensation of nature.As a result, can in flocking portion 29, realize the raising of presentation quality.
In addition, with the prior art in the basic vertical implantation of the fine hair base material is different, in the present embodiment, fine hair 29a covers because appearance surfaces D becomes at any angle by each with appearance surfaces D normal direction, therefore when normal direction is seen appearance surfaces D, increased the effect of covering the base material color.
In addition, because the color of fine hair 29a is light brown, each becomes situation at any angle above-mentioned fine hair 29a with normal direction, makes that the effect of covering the base material color is more direct, and, suppress the shortcoming that coloured color of the trichomes weakens or produce deviation by covering the color of base material fully.In addition, because adhesive phase 28 is also identical with the color of flocking portion 29, this configuration is also made contributions to the color of covering base material.As a result, from the viewpoint of tone, can improve presentation quality.
(second embodiment)
Fig. 6 illustrates the sealing band 4 according to second embodiment.Note, use identical Reference numeral represent with first embodiment in the identical structure division of structure, and omit herein its description.
As shown in Figure 6, according to the state that sealing band 4 is installed, the part from sealing 6 roots (towards door opening 3 peripheries) to lip 18 terminal parts in sealing 6 outside faces becomes appreciable part.Thus, can see from local amplification view 4 that by adhesive phase 28, flocking portion 29 is formed on the presumptive area D that comprises sealing 6 outside faces.
Similar with first embodiment, as the adhesives that adhesive phase 28 is provided, use adhesives in a second embodiment based on water-based polyurethane resin.
Herein, table 1 illustrates the evaluation result to the variety classes adhesives, selects water-based polyurethane resin for the adhesives of adhesive phase 28 is provided.Shown in the table 1 to the evaluation result of following material: phenylethene modified acrylic resin based adhesive, acrylic copolymeric resin based adhesive, polyurethane resin-based adhesive and carbodiimide curing agent or epoxy hardener are added to the adhesives of urethane resin.
Table 1
| Adhesives | Extensibility | Resistance to abrasion | Compatible with environment | Comprehensive evaluation |
| Phenylethene modified acrylic resin based adhesive | 50% or lower | × | ○ | × |
| The acrylic copolymeric resin based adhesive | 100% or higher | × | × | × |
| Polyurethane resin-based adhesive | 100% or higher | ○ | ○ | ○ |
| Urethane based adhesives+carbodiimide curing agent | 100% or higher | ◎ | ○ | ◎ |
| Urethane based adhesives+epoxy hardener | 100% or higher | ◎ | ○ | ◎ |
The adhesives that puts on sealing 6 should be at least, can be with sealing 6 distortion, and excellent in te pins of durability and to the environment friendliness.Thus, consider the extensibility of (1) adhesives, resistance to abrasion and (3) compatible with environment of sealing 6 that (2) apply adhesives here.
Consider that from extensibility according to the test method (JISK6251) of JIS (Japanese Industrial Standards), adhesives is prepared as membranaceous and makes dumb-bell shape by membranaceous punching press, and carries out extension test with dumbbell specimen, is used to study extensibility at normal temperatures.In addition, consider that from resistance to abrasion put at each adhesives under the situation of sealing 6, friction testing is scheduled on friction sealed 6 surface, and the wear-resisting grade on research surface.Consider from compatible with environment whether research has the volatilization of volatile organic constituents (as formaldehyde).
By the evaluation result shown in the table 1, because phenylethene modified acrylic resin based adhesive shows 50% or lower extensibility, and use usually on the hard part, this adhesives is unsuitable for being used to be applied to sealing 6.Under this adhesives was applied to situation on the sealing 6, because the surperficial hardening of sealing 6, sealing 6 was difficult to carry out suitable distortion, the risk that causes sealing property to reduce.In contrast to this, other adhesivess show 100% or higher extensibility, therefore, are difficult for taking place the problem that exists in the phenylethene modified acrylic resin based adhesive.
In addition,, because the wearing and tearing that phenylethene modified acrylic resin based adhesive and acrylic copolymeric resin based adhesive show higher degree, and can not reach preassigned, they be evaluated as bad (*) for wear resisting property.In contrast to this, any polyurethane resin-based adhesive can reach standard and be evaluated as good (zero).They wherein, the adhesives that is added with carbodiimide curing agent or epoxy hardener shows the wearing and tearing of low degree and is evaluated as excellent (◎).
In addition, because the acrylic copolymeric resin based adhesive produces formaldehyde, this adhesives is be evaluated as bad (*) aspect environment-adaptive type.In contrast to this, because other any adhesivess all are water base, they do not discharge volatile organic constituents, and are evaluated as good (zero).
Comprehensively judge from above-mentioned evaluation result, can select the water-based polyurethane resin based adhesive.Wherein, when resistance to abrasion when considering condition, the adhesives that is added with carbodiimide curing agent or epoxy hardener is suitable for using on the outside face of sealing 6.
Now, will describe flocking portion 29 in detail.By the working pressure spray gun a large amount of fine hair 29a is sprayed onto on the adhesive phase 28, formation is according to the flocking portion 29 (pressurization flocking) of present embodiment, thereby obtain such state: each fine hair 29a is adhered on the adhesive phase 28 by the one end, orientates as simultaneously to become arbitrarily angled (flocking direction) with the surface of sealing 6.As fine hair 29a, for example, use the polyamide fibre that curls with bending types, its length is 1.0mm, fineness is that 3.3T divides Tekes (dtex).The color of fine hair 29a is identical with adhesive phase 28 colors light brown in addition.Certainly, the color of fine hair 29a is not limited only to light brown, but the same with adhesive phase 28, and fiber can be any color that is matched with inner-decoration component 25.By using said structure, because the part among a large amount of fine hair 29a tangles mutually, and spray for respect to sealing 6 surface tilt, thereby allow flocking portion 29 to obtain more to be similar to the texture outward appearance of textile-like (or be shown as) of fabric.
In the flocking step of following, at first, in flocking apparatus 39, a large amount of fine hair 29a are sprayed onto the position that is applied with adhesives with Spray Gun Of The Pressure.Spray Gun Of The Pressure is delivered to position dark as far as possible in the flocking room with predetermined air pressure with fine hair 29a, and under predetermined air pressure fine hair 29a is sprayed onto the position that is applied with adhesives.At this moment, the fine hair 29a of sprinkling like this is positioned on the adhesive phase 28 with different directions.Then, place drier 40 to be heating and curing in the adhesives that so applies, thereby fine hair 29a fix in position can not come off from here.After this, in air blower 41, unnecessary fine hair 29a is blown off from adhesive phase 28.Finish through flocking portion 29 after these above-mentioned steps.
As previously described, by on sealing 6 outside faces, forming flocking portion 29, can obtain the outward appearance of textile-like, and can obtain to be used for the apperance design performance of sealing 6.In addition, different with the situation that true fabric is attached to sealing 6 outside faces, do not produce in the bight etc. and curl owing to the back is installed at sealing band 4, avoid the reduction of presentation quality.In addition, because sealing 6 can be out of shape without difficulty when car door 2 is closed, the reduction of sealing property is suppressed.As a result, when keeping sealing 6 sealing properties, can realize the raising of sealing band presentation quality.
In addition, in the present embodiment, use adhesives based on water-based polyurethane resin (have after the curing 100% or higher extensibility) as the adhesives that adhesive phase 28 is provided.Thus, adhesives can be out of shape along with the sealing 6 that Yin Chemen 2 switches cause and be out of shape, thereby not only the reduction of sealing property is suppressed, and fine hair 29a difficult drop-off.
In addition, with straight fine hair is sprayed and its situation that is vertically positioned in sealing 6 surfaces is compared, owing to not only flexure type fine hair 29a is applied as the fine hair of flocking portion 29 29a is provided, and it is arbitrarily angled with respect to sealing 6 formation to allow to spray separately fine hair 29a, thereby can strengthen the effect of covering sealing 6 surfaces, and also can cover sealing 6 base materials owing to wherein contain the color (black) that carbon black causes.
The scope D that the scope that flocking portion 29 forms is not limited only to describe in the present embodiment thus, only needs flocking portion 29 is formed on sealing 6 outside faces at least.In addition, constitute in holding division 5 grades under the situation on outward appearance visual appearance surface, can carry out flocking at appearance surfaces.
(the 3rd embodiment)
When fabric is attached on the sealing band, there is such risk, promptly produce gauffer at sealing band sealing deformation place.
Yet, because when closing of the door, sealing contacts with door opening perimembranous pressure, is formed under the situation of sealing 50 outside faces in flocking portion 51 as shown in Figure 7, and obtain such state: the fine hair 53 that is positioned on the part that contacts with door opening perimembranous etc. on sealing surfaces 52 or the sealing 50 collapses.Even behind the car door opening, the fine hair that collapses when closing of the door can keep certain hour with collapsed state in this way, and thus, the contact marking is stayed the position that constitutes sealing surfaces 52.The fine hair 53 that collapses is reflective stronger than other positions of flocking portion 51, and this contact marking (sealing surfaces 52) looks bright, thereby becomes obviously the risk that the result causes presentation quality to reduce.
Below with reference to the sealing band 4 of Fig. 6 description according to the 3rd embodiment.Attention: use identical Reference numeral represent with first embodiment in the identical structure division of structure, and omit herein its description.Describe flocking portion 29 below in detail.By the working pressure spray gun a large amount of fine hair 29a are sprayed onto adhesive phase 28 (pressurization flocking), formation is according to the flocking portion 29 of present embodiment, therefore obtain such state, each fine hair 29a is adhered to adhesive phase 28 by the one end, becomes arbitrarily angled (flocking direction) with respect to sealing 6 surfaces simultaneously.
For type, length and the fineness of the fine hair 29a that flocking portion 29 is provided, for example use the polyamide fibre that curls with bending types, have the length of 0.8mm and the fineness that 3.3T divides Tekes.By using this fiber, because the part fine hair among a large amount of fine hair 29a tangles mutually, and spray for respect to sealing 6 surface tilt, allow flocking portion 29 to obtain the texture of the textile-like more outward appearance of textile-like (or be shown as).
In addition,, use the fine hair of white and black two kinds of different colours, so flocking portion 29 colors are the grey (secondary colour of white and black) identical with the adhesive phase color with inner-decoration component 25 about the color of a large amount of fine hair 29a.As adhesive phase 28, secondary colour is not limited only to grey, can be the random color that is matched with inner-decoration component 25 colors.
As previously mentioned, by on sealing 6 outside faces, forming flocking portion 29, can obtain the outward appearance of textile-like, and can obtain to be used for the high design performance of sealing 6.In addition, by using the short relatively and thin relatively fine hair of the conventional fine hair of above-mentioned ratio, as the fine hair that flocking portion 29 is provided, even when car door 2 is closed sealing 6 pressure contact door opening perimembranous, make fine hair 29a be difficult to collapse, and the fine hair 29a that collapses recovers its original state easily when car door 2 is opened.As a result, when car door 2 is opened, be difficult to stay the contact marking at the position that constitutes sealing surfaces.In addition, can suppress the reduction of presentation quality, the reason of this reduction is that the light of the fine hair 29a that collapses reflection makes the contact marking look than other part lights.
In addition, the fine hair of bending types is applied as provides the fine hair of flocking portion 29 29a, and, fine hair 29a is sprayed on the surface of sealing 6, and fine hair is arbitrarily angled with respect to the surperficial one-tenth of sealing.In addition, provide a large amount of fine hair 29a of white and two kinds of different colours of black, thereby flocking portion 29 overall colors are grey (secondary colour of white and black).Thus,,, be difficult to find out the difference of the contact marking and other parts, make that the contact marking is not obvious because the fine hair 29a that collapses is reflective even producing under the situation of the contact marking on the sealing surfaces 6.As a result, and spray straight shape fine hair and its vertical sealing 6 lip-deep situations that are positioned at are compared, can suppress the reduction of presentation quality.
Though in the present embodiment, using curls is used for the fine hair 29a of flocking portion 29 with polyamide fibre (length 0.8mm, fineness 3.3T the divides Tekes) conduct of bending types, and the structure of fine hair 29a is not limited only to this.For example, the fine hair that constitutes by polyethylene can be used, perhaps the fine hair that forms straight shape can be used.Yet the contact marking that produces when closing in order to can't see car door 2 preferably, uses length to divide Tekes smaller or equal to 6.7T to divide the fine hair of Tekes smaller or equal to 1.0mm and fineness more than or equal to 2.2T more than or equal to 0.6mm.In order more to be difficult for seeing the contact marking, preferably, use length to divide the fine hair of Tekes more than or equal to 3.3T smaller or equal to 0.8mm and fineness more than or equal to 0.6mm.
Attention: flexure type fine hair is designed to the type fine hair that curls.In addition, as for the length of fine hair, using under the situation of length more than or equal to 1.0mm fine hair, when car door 2 was closed, the fine hair that is positioned at contact position lay low when collapsing easily, and the contact marking becomes obvious.For dealing with this situation, thereby can improve the restoring force that its rigidity increases fine hair self although it has been generally acknowledged that the fineness that increases fine hair, but, under the situation of using long and thick fine hair, fine hair can twine in advance mutually, and the fine hair that nozzle can be wound stops up, and the pressurization sprinkling that therefore can not carry out fine hair applies.As a result, for above-mentioned consideration, villus length and the fine hair fineness scope that need determine to can't see the contact marking and guarantee the homogeneous flocking.
Attention: the present invention is not limited only to previously described embodiment content, but can implement with following method.Certainly, also can use other hereinafter unlisted application examples and improvement example.
(a) though embodiment be described as, apply the present invention to be arranged on (front side) car door 2 cooresponding vehicle bodies in the sealing band 4 of perimembranous of door opening 3, the present invention can be applied to be arranged on the perimembranous of car door 2, the perimembranous of other car doors (comprising rear door, back door, boot door (luggage-boot lid), roof door (sliding roof)) or corresponding to the sealing band of these door in door hole perimembranous.
(b) omitting outward appearance lip 18 and the outside face of holding division 5 is constituted in the sealing band of appearance surfaces, can use this structure: wherein flocking portion 29 is formed on the outside face of holding division 5.In addition, replace expanded cellular rubber, can use the structure that sealing 6 is made of closely knit rubber.
(c) though the embodiment illustration uses ethylene propylene diene rubber as the material that forms sealing band 4 base portions, also can use other elastomeric materials, for example IR (isoprene rubber), CR (poly-chloroprene rubber) or the like.
(d) though in an embodiment, use provides the adhesives of adhesive phase 28 based on the adhesives conduct of water-based polyurethane resin, also can use the adhesives of other types, comprise acrylic based binders, vinyl acetate based adhesive, ethene-vinyl acetate copolymer (EVA) based adhesive, polyvinyl alcohol (PVA) based adhesive, epoxy resin-based adhesive, silicone based adhesives and phenolic group adhesives.Yet based on considering with the performance of sealing 6 distortion, the adhesives of use preferably has 100% or higher extensibility, considers that from environment friendly the adhesives of use does not preferably have volatile organic component (VOC).In addition, consider, in adhesives, can use this adhesives, wherein be added with carbodiimide curing agent or epoxy hardener based on water-based polyurethane resin from resistance to abrasion.In addition, the present invention is not limited only to the color of adhesives in the present embodiment, for example, also can use transparent (colourless) adhesives.
(e) though in an embodiment, sealing band 4 is installed along the whole periphery of door opening 3 perimembranous, and sealing band 4 is not to install along the whole periphery of this part.For example, sealing band can partly be installed along perimembranous.In addition, sealing band can partly comprise molding portion.
(f) though in an embodiment, use polyamide fibre as the fine hair 29a that flocking portion 29 is provided, the present invention is not limited only to this, also can the using polythene fiber.Certainly, length of fine hair 29a etc. is not limited only to these descriptions among the embodiment.For example, replace straight fine hair 29a, can use crooked fine hair.Equally, as the color of fine hair, the color that the present invention is not limited only to describe among the embodiment, and therefore, can use transparent (colourless) fine hair or color-match coloured fine hair in the inner-decoration component color.
(g) though in an embodiment, using curls provides the fine hair 29a of flocking portion 29 with polyamide fibre (length 1.0mm, fineness 3.3T the divides Tekes) conduct of bending types, and the structure of fine hair 29a is not limited only to this.For example, the fine hair of making by polyethylene fibre can be used, maybe the fine hair that forms straight shape can be used.Certainly, color of the trichomes that the present invention is not limited only to describe in an embodiment and length, and therefore, for example, can use transparent (colourless) fine hair.Attention: the fine hair of bending types is designed to the fine hair of curling type.In addition, about the length of fine hair, the about 3mm of length is as the upper limit, and under the situation that fine hair is also grown than the upper limit, fine hair can twine and plug nozzle in advance, thereby the sprinkling of can't pressurizeing applies.In addition, under the situation of using electrostatic gun (hereinafter describing),, have only length can use at the fine hair of 0.6-0.8mm degree owing to twine mutually easily because of electrostatic influence makes fine hair.
(h) though in an embodiment, by the working pressure spray gun a large amount of fine hair 29a is sprayed onto on the adhesive phase, forms 29 (the pressurization flocking) of flocking portion, spray method is not limited only to this, and can use other spray methods, comprises the method for using electrostatic gun.
Claims (15)
1. sealing band comprises:
Holding division with U-shaped cross-section is adapted to be mounted to the car door perimembranous and along on one of flange of vehicle body door opening perimembranous;
Sealing from described holding division projection, is used for contact matching parts when closing of the door;
Flocking portion adheres to the adhesive phase of presumptive area in the outside face of described sealing band, and is provided with a large amount of fine hair that adhere on the described adhesive phase, and forming matte, thereby the normal direction of fine hair and described sealing band outside face forms arbitrarily angled.
2. sealing band according to claim 1, wherein said flocking portion sticks on the described holding division outside face.
3. sealing band according to claim 1, the described sealing that wherein is provided with hollow sealing portion be from described holding division projection, and
Described sealing band further comprises from the lip of described holding division outside face projection.
4. sealing band according to claim 1, wherein process is painted when described adhesive phase forms.
5. sealing band according to claim 1 wherein forms described flocking portion by carry out flocking with coloured fine hair.
6. sealing band according to claim 1 wherein forms described adhesive phase by the adhesives based on water-based polyurethane.
7. sealing band manufacture method that is used to make sealing band comprises:
Extrusion step is extruded the base portion of described sealing band;
Surface treatment applies step, and the outside face of described base portion is applied surface treatment;
Adhesives applies step, adhesives is applied on the outside face that applies the described base portion of surface-treated; And
The flocking step has applied in described base portion on the part of described adhesives, uses electrostatic gun fine hair flocking.
8. sealing band according to claim 1, wherein said flocking portion adheres to the outside face of described sealing.
9. sealing band according to claim 1, wherein said fine hair bends to curve-like.
10. sealing band according to claim 1 wherein sprays described a large amount of fine hair and makes it to place any direction.
11. sealing band according to claim 1 wherein is used to adhere to the adhesives of described fine hair, has 100% or higher extensibility after curing.
12. sealing band according to claim 6, wherein said adhesives based on water-based polyurethane resin comprises carbodiimide curing agent or epoxy hardener.
13. sealing band according to claim 1, wherein said sealing is formed by the elastic sponge material.
14. sealing band according to claim 1, wherein on described sealing outside face, form described a large amount of fine hair at least, smaller or equal to 1.0mm, and the fineness of fine hair divides Tekes to divide Tekes smaller or equal to 6.7T more than or equal to 2.2T to the length of this fine hair more than or equal to 0.6mm.
15. sealing band according to claim 1, wherein said a large amount of fine hair are provided as the fine hair of two or more different colours, wherein comprise white at least.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005-324810 | 2005-11-09 | ||
| JP2005324810 | 2005-11-09 | ||
| JP2005324810A JP2007131095A (en) | 2005-11-09 | 2005-11-09 | Weather strip and its manufacturing method |
| JP2006179628 | 2006-06-29 | ||
| JP2006179628A JP2008006973A (en) | 2006-06-29 | 2006-06-29 | Weather strip |
| JP2006-179628 | 2006-06-29 | ||
| JP2006179627A JP2008006972A (en) | 2006-06-29 | 2006-06-29 | Weather strip |
| JP2006179627 | 2006-06-29 | ||
| JP2006-179627 | 2006-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1962300A true CN1962300A (en) | 2007-05-16 |
| CN1962300B CN1962300B (en) | 2010-05-12 |
Family
ID=38081589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101385562A Expired - Fee Related CN1962300B (en) | 2005-11-09 | 2006-11-09 | Weather strip and manufacturing method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2007131095A (en) |
| CN (1) | CN1962300B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161309A (en) * | 2010-02-24 | 2011-08-24 | 丰田合成株式会社 | Sealing strip and manufacture method thereof |
| CN102343324A (en) * | 2010-07-29 | 2012-02-08 | 比亚迪股份有限公司 | Method for reducing size contraction of sealing strip and method for preparing sealing strip |
| CN102773205A (en) * | 2012-07-17 | 2012-11-14 | 王琳 | Flocking method for automotive trims |
| CN104011955A (en) * | 2011-12-22 | 2014-08-27 | 矢崎总业株式会社 | Grommet, and water stop structure for vehicle door |
| CN118204214A (en) * | 2024-05-20 | 2024-06-18 | 长沙永昌车辆零部件有限公司 | Spraying device applied to frameless car door sealing strip structure |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018001922A (en) * | 2016-06-30 | 2018-01-11 | 株式会社ファルテック | Method of manufacturing vehicle molding and vehicle molding |
| KR20240142203A (en) * | 2023-03-21 | 2024-09-30 | 진찬규 | Slip tape for weather strip of automobiles |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6442956U (en) * | 1987-09-09 | 1989-03-15 | ||
| JP2000289463A (en) * | 1999-04-05 | 2000-10-17 | Kinugawa Rubber Ind Co Ltd | Glass run for motor vehicle and manufacture thereof |
| JP2002205606A (en) * | 2001-01-10 | 2002-07-23 | Nishikawa Rubber Co Ltd | Weather strip for automobile |
-
2005
- 2005-11-09 JP JP2005324810A patent/JP2007131095A/en not_active Withdrawn
-
2006
- 2006-11-09 CN CN2006101385562A patent/CN1962300B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161309A (en) * | 2010-02-24 | 2011-08-24 | 丰田合成株式会社 | Sealing strip and manufacture method thereof |
| CN102343324A (en) * | 2010-07-29 | 2012-02-08 | 比亚迪股份有限公司 | Method for reducing size contraction of sealing strip and method for preparing sealing strip |
| CN104011955A (en) * | 2011-12-22 | 2014-08-27 | 矢崎总业株式会社 | Grommet, and water stop structure for vehicle door |
| CN104011955B (en) * | 2011-12-22 | 2017-02-22 | 矢崎总业株式会社 | Grommet, and water stop structure for vehicle door |
| CN102773205A (en) * | 2012-07-17 | 2012-11-14 | 王琳 | Flocking method for automotive trims |
| CN102773205B (en) * | 2012-07-17 | 2014-04-02 | 王琳 | Flocking method for automotive trims |
| CN118204214A (en) * | 2024-05-20 | 2024-06-18 | 长沙永昌车辆零部件有限公司 | Spraying device applied to frameless car door sealing strip structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1962300B (en) | 2010-05-12 |
| JP2007131095A (en) | 2007-05-31 |
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