CN100579764C - Molding method of weather strip and mold therefor - Google Patents
Molding method of weather strip and mold therefor Download PDFInfo
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- CN100579764C CN100579764C CN200710123210A CN200710123210A CN100579764C CN 100579764 C CN100579764 C CN 100579764C CN 200710123210 A CN200710123210 A CN 200710123210A CN 200710123210 A CN200710123210 A CN 200710123210A CN 100579764 C CN100579764 C CN 100579764C
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Abstract
A molding device is provided with a holding portion for clamping the end of an extruded portion, and a cavity for forming a molded portion. Te holding portion has holding cores to come in contact with the end of the extruded portion, and at least a part of the holding cores is formed by a material with a low thermal conductivity. Thus, the molding method of a weather strip includes, clamping the end of the extruded portion by the holding portions, then, ejecting or injecting a rubber material for molding the molded portion in the cavity, and then, molding the rubber by vulcanization.
Description
Technical field
The present invention relates to a kind of forming method of sealing strip, wherein in the end of sealing strip extruding part place's moulding molding portion, extruding part is by extruding formation, the invention still further relates to the mould that is used for this molding portion of moulding.
Background technology
By being installed to the outside door weather strip of car door frame (being arranged at the car door peripheral part), and/or be installed to door opening sealing strip on the flange of door opening perimembranous, realize the sealing between motor vehicle door and the door opening perimembranous.Incidentally, by the glass run in the guide groove that is installed to car door frame inside, realize the sealing between automobile door glass and the car door.
As shown in figure 15, door weather strip 110 forms along car door frame (not shown), and comprises: extruding part 117, form linearity by extrusion molding, and this part is for will be installed to the front side portion of car door frame and the part of rear lateral portion and bottom; And molding portion 116, by molded, this part is the part of installing along the bight of car door frame.
Extruding part 117 comprises: base portion 111 (base portion hereinafter referred to as) is installed, is used to be installed to the car door frame; And hollow sealing part 112, integrally formed from base portion 111, and contact with the perimembranous of door opening, be used for sealing.
The shape of cross section of molding portion 116 ends is formed, consistent with the shape of cross section of the extruding part 117 that will connect respectively.
To shown in Figure 180, the die cavity 120C that forms between patrix 121 by moulding material being injected molding apparatus 120 and the counterdie 122 carries out the moulding of molding portion 116 as Figure 16.When molding portion 116 moulding, in moulding, with extruding part 117 and molding portion 116 by sulfuration bonding being integral.Thus, the end of extruding part 117 is by the hold assembly 120b clamping of molding apparatus (for example, referring to JP-B2-4-9645 and JP-B2-7-49203).In this step, extruding part 117 needs powerful clamping, to avoid because the pressure of the moulding material of injection die cavity 120C makes extruding part 117 deviate from from molding apparatus.
Inner core 129 is integrally formed with the lock pin part 127 of molding apparatus 120, outer surface by these inner core 129 compressing extruding parts 117 ends, realization is to the clamping of extruding part 117 ends, and the first clamping core 123, the second clamping core 124, the 3rd clamping core 125 and the 4th clamping core 126 are shown in Figure 16 to Figure 19.Cross section shown in Figure 17 is, rear lateral portion place in molding apparatus 120 is with the cross section on the vertical perpendicular direction of extruding part 117.
Cross section shown in Figure 18 is, in the retained part 120b of molding apparatus 120, along extruding part 117 cross section longitudinally.Retained part 120b clamping extruding part 117 by molding apparatus 120.Then, the moulding material that is used for molding portion 116 injects die cavity 120c.When the end capacity compression of extruding part, with hollow sealing part 112 inside that lock pin part 127 is inserted extruding parts 117, lock pin part 127 is from medial support extruding part 117.
The amplification cross section of crimping section is shown in Figure 19.Unvulcanized rubber material as moulding material is injected die cavity 120c.In this step,, form bossing 127b in the periphery of lock pin part 127 in order to deviate from from retained part 120b the end of the extruding part 117 that prevents to form by sponge rubber.By this structure, the end of extruding part 117 is compressed.
When moulding molding portion 116,, molding apparatus 120 is heated to vulcanize because moulding material is a rubber.Extruding part 117 has vulcanized, so it can the fusion owing to the heating of molding apparatus 120.Yet as shown in figure 20, in compression, fixed in shape takes place because of heating in extruding part 117 ends that are held, thereby forms recess 117b.In this case, the not only inboard of extruding part 117, and its outside also is pulled to the inboard, thereby forms recess 117c.Disadvantageously, this causes the problem of the extruding part 117 end appearance degradation of door weather strip 110.
When the decrement of extruding part 117 ends reduces, the degree of depth of recess 117b and recess 117c will reduce.Yet the chucking power on the end reduces, thereby owing to be used for the pressure of the moulding material of molding portion 116, deviate from from molding apparatus 120 easily the end.
Summary of the invention
In this case, the purpose of this invention is to provide a kind of sealing strip forming method, in the method, by extruding the place, end of the extruding part that sealing strip forms, by molded molding portion, at this moment, at the good appearance that carries out keeping in molded the extruding part end, and, the invention still further relates to the molding apparatus that is used for this forming method.
In order to address this problem, according to a first aspect of the present invention, a kind of forming method that forms sealing strip is provided, sealing strip comprises extruding part and the molding portion of utilizing molding apparatus to be connected with the extruding part end, molding apparatus is provided with the retained part that is used for clamping extruding part end and the die cavity that is used for the moulding molding portion, wherein retained part tool and the clamping core that has the extruding part end to contact, and, the clamping core is provided with and reduces the heat-conduction part branch, and described forming method comprises the steps:
Provide by extruding the extruding part of formation;
By retained part clamping is carried out in the end of extruding part;
Unvulcanized elastomeric material is injected die cavity; And,
By making elastomeric material sulfuration form rubber, be integral the moulding molding portion with the end of extruding part.
Preferably, reducing the part that heat-conduction part divides is at least formed by low Heat Conduction Material.
In the present invention, molding apparatus is provided with retained part that is used for clamping extruding part end and the die cavity that is used to form molding portion, the minimizing heat-conduction part branch that retained part has the clamping core that contacts with the extruding part end and be used to reduce thermal conductivity in molding apparatus.More specifically, the part of minimizing heat-conduction part branch is formed by low Heat Conduction Material.This heat that can reduce molding apparatus is transmitted to the end of extruding part, can reduce the depth of cup that stays on the surface owing to the hot redeformation in end.Therefore, the outward appearance that helps the extruding part end.
Die cavity then, is injected with the unvulcanized rubber material that is used to form molding portion by the retained part clamping in the end of extruding part, and moulding (sulfuration).Therefore, extruding part can not be shifted from molding apparatus or break away from.Can connect extruding part and molding portion reliably.
In the present invention, provide a kind of forming method of sealing strip, wherein extruding part has the hollow sealing part, and the retained part of molding apparatus is provided with: lock pin, be used to insert the hollow sealing part, and form by low Heat Conduction Material; And clamping core, the outside that is used for clamping hollow sealing part, and, be used to form and the consecutive molding portion hollow sealing of extruding part hollow sealing part part, the hollow sealing part outside of extruding part is followed, in the molding apparatus die cavity that is placed with inner core (integrally formed with lock pin) by clamping core and lock pin compression and clamping, injection is used to form the unvulcanized rubber material of molding portion, makes rubber-moulding by sulfuration then.
Adopt this structure, the end of extruding part hollow sealing part can be orientated as continuously to the end that is used for moulding molding portion hollow sealing die cavity partly, and can be reliably the hollow sealing of extruding part be partly carried out clamping.
For the hollow sealing part of extruding part, by lock pin and clamping core the outside of hollow hermetic unit is pushed, then, in die cavity, inject the unvulcanized rubber material that is used to form molding portion.This has been avoided extruding part to be shifted from molding apparatus or has deviate from.Therefore, can make the hollow sealing part alignment mutually of the hollow sealing part and the molding portion of extruding part, and extruding part can be connected reliably each other with molding portion.In addition, can be reduced in the depth of cup that the hollow sealing part surface of extruding part stays.
In the present invention, provide a kind of sealing strip forming method, wherein extruding part has sealed lip, and molding apparatus has and contacts with the opposite side of sealed lip and it is carried out the clamping core of clamping, and the clamping core is formed by low Heat Conduction Material.
Can reduce heat like this and conduct sealed lip surface, thereby the degree of depth of the impression that the sealed lip surface stays is reduced in the extruding part end from molding apparatus.Therefore, the outward appearance that helps the sealed lip surface of extruding part.
In the present invention, the thickness that the extruding part end can be compressed 0.1mm is to being compressed half of this thickness, and is held.
According to above invention, clamping end reliably.Therefore, even when the unvulcanized rubber material that will be used to form molding portion is injected die cavity, extruding part can or not break away from from the molding apparatus displacement yet.In addition, be compressed the part place in the extruding part end, place the clamping core segment that comprises low Heat Conduction Material, therefore, even the end is subjected to bigger compression, heat can not be transmitted to the end, thereby can not stay the compression section of recessed form.
In the present invention, provide a kind of molding apparatus of sealing strip, be used for place, end at the sealing strip extruding part by extruding formation, by molding that molding portion is one-body molded,
Molding apparatus has retained part that is used for clamping extruding part end and the die cavity that is used for the moulding molding portion, and retained part has the clamping core that contacts with the extruding part end, and the part of clamping core is formed by low Heat Conduction Material at least.
According to above structure, even when the unvulcanized rubber material that will be used for the moulding molding portion is injected die cavity, extruding part can or not break away from from the molding apparatus displacement yet.As a result, can form the molding portion that one arrives the extruding part end continuously.
In addition, retained part has the clamping core that contacts with the extruding part end, and the part of clamping core is formed by low Heat Conduction Material at least.Can reduce heat like this and be transmitted to the end of extruding part from molding apparatus, this can almost eliminate the depth of cup that stays at end surface.Therefore, the outward appearance that helps the extruding part end.
In the present invention, provide a kind of molding apparatus that is used for sealing strip, wherein the extruding part of sealing strip has the hollow sealing part, and the retained part of molding apparatus is provided with: lock pin is used to insert the hollow sealing part; With the clamping core, the outside that is used for the hollow sealing part is compressed and clamping.Retained part comprises minimizing heat-conduction part branch, is used for reducing the heat conduction of molding apparatus, and for example lock pin is formed by low Heat Conduction Material.
Adopt this structure, the end of extruding part hollow sealing part can be orientated as, continuously to the end that is used to form molding portion hollow sealing die cavity partly.Can be by clamping the core inboard and the outside of clamping hollow sealing part reliably.Like this, even when the material that will be used for the moulding molding portion injects die cavity, extruding part can or not break away from from the molding apparatus displacement yet.As a result, can connect extruding part and molding portion reliably.
Hollow core also can be formed by low Heat Conduction Material.The heat that can reduce molding apparatus like this is transmitted to the inboard of extruding part hollow sealing part, can be reduced in the depth of cup that end surface stays like this.Therefore, the outward appearance that helps the extruding part end.
In the present invention, a kind of molding apparatus of sealing strip is provided, and wherein the extruding part of sealing strip has sealed lip, and the retained part of molding apparatus is provided with the clamping core that is used to compress and the outside inboard with the clamping sealed lip, and the compressed side of clamping core is formed by low Heat Conduction Material at least.
Can be reduced in the degree of depth of impression on the sealed lip surface of sealing strip end like this.The sealed lip outward appearance that therefore, can help the extruding part end.
In the present invention, provide a kind of molding apparatus that is used for sealing strip, wherein, for the clamping core of clamping sealed lip, inner core is formed by low Heat Conduction Material.
Can reduce the depth of cup of the front and rear surfaces of sealed lip like this.Therefore, the sealed lip outward appearance that helps the extruding part end.
In the present invention, provide a kind of molding apparatus that is used for sealing strip, wherein between described clamping core and die ontology, insulated space or heat-barrier material are set.
Adopt this structure, the heat that has reduced die ontology is transmitted on the clamping core, and this has reduced heat and has been transmitted on the extruding part end.Can reduce depth of cup like this at end surface.Therefore, the sealed lip outward appearance that helps the extruding part end.
In the present invention, low Heat Conduction Material can be heat-resistant resin or hear resistance rubber.
Adopt this structure, heat conductivity is lower than the heat conductivity of metal.Therefore, can reduce the heat that is transmitted to the end surface of extruding part from molding apparatus.In addition, molding apparatus can weight reduction.As a result, more or less freely to the disposal of molding apparatus, this has improved the efficient of forming operation.
According to the present invention, the retained part of molding apparatus has the clamping core that contacts with the extruding part end and is used for reducing the heat conducting minimizing heat-conduction part of molding apparatus branch.Adopt this structure, heat seldom is transmitted to the end of extruding part from molding apparatus.This can almost eliminate the impression on the extruding part end surface.Therefore, the outward appearance that helps the extruding part end.
In addition, according to other aspects of the invention, reduce the heat-conduction part branch and can be provided with the cooling hole that is formed on wherein, be used to cool off the clamping core, thereby cooling agent circulates in the cooling hole.Can make the heat cooling that is transmitted to the clamping core from the molding apparatus body like this, and therefore prevent that heat is transmitted on the extruding part end.As a result, can reduce the degree of depth of the impression that stays on the surface because the end is heated redeformation.Therefore, the outward appearance that helps the extruding part end.
After the extruding part end is by the retained part clamping, the elastomeric material that is used to form molding portion is injected die cavity and moulding.Therefore, extruding part can not be shifted from molding apparatus or break away from.Can connect extruding part and molding portion reliably.
In the present invention, the extruding part of sealing strip has sealed lip, and, molding apparatus has and contacts with the surface of sealed lip and it is carried out the clamping core of clamping, and the clamping core comprises and is formed on the cooling hole that wherein is used to cool off the clamping core, thereby cooling agent is by the circulation of cooling hole.Can reduce the surface temperature of clamping core like this, the degree of depth of the impression that this surface that can be reduced in sealed lip stays.Therefore, the sealed lip outward appearance that helps extruding part.
In the present invention, the thickness that the end of extruding part can be compressed 0.1mm is to being compressed half of this thickness, and is held.Therefore, clamping end reliably.Therefore, even when the unvulcanized rubber material that will be used for the moulding molding portion is injected die cavity, extruding part can or not break away from from the molding apparatus displacement yet.In addition, in forming process, can be by cooling clamping core reducing the surface temperature of clamping core, thus reduce the contract surface indentation degree of depth of part of end capacity compression.
In the present invention, molding apparatus has retained part that is used for clamping extruding part end and the die cavity that is used to form molding portion.Therefore, even when the unvulcanized rubber material that will be used for the moulding molding portion is injected die cavity, extruding part can or not break away from from the molding apparatus displacement yet.As a result, can form molding portion continuous with the extruding part end and that become one.
Retained part has the clamping core that contacts with the extruding part end, and the part of clamping core comprises the cooling hole that is formed on wherein at least, and the cooling agent that is used to cool off the clamping core circulates by the cooling hole.This can reduce the surface temperature of clamping core, thereby can reduce the depth of cup that the extruding part end surface stays.Therefore, the outward appearance that helps the extruding part end.
The clamping core comprises the cooling hole that is formed on its inside, and the cooling agent that is used to cool off the clamping core circulates by the cooling hole.Can reduce the surface temperature of hollow core like this.Can reduce heat like this and be transmitted to the inboard of extruding part hollow sealing part, thereby can reduce the depth of cup that stays at end surface from molding apparatus.Therefore, the outward appearance that helps the extruding part end.
Be configured to form the molding apparatus of sealing strip like this, make the extruding part of sealing strip have sealed lip, the retained part of molding apparatus is provided with and is used for the lateral surface of sealed lip and trailing flank are compressed clamping core with clamping, and, at least the part of clamping core comprises the cooling hole that is formed on its inside, and the cooling agent that is used to cool off the clamping core circulates by the cooling hole.Can reduce the temperature of clamping wicking surface like this.Can reduce the degree of depth of the impression that on the sealed lip surface of sealing strip end, stays like this.Therefore, the sealed lip outward appearance that helps the extruding part end.
Between clamping core and die ontology, insulated space or heat-barrier material can be set.Adopt this structure, the heat that has reduced die ontology is transmitted on the clamping core, thereby reduces the heat that is transmitted on the extruding part end.Can reduce the degree of depth of the impression that stays at end surface like this.Therefore, help improving the outward appearance of extruding part end.
Cooling agent can be a water, and therefore can cool off clamping core and hollow core safely and effectively.
According to the present invention, the retained part of molding apparatus has the clamping core that contacts with the extruding part end, and the part of clamping core comprises the cooling hole that is formed on wherein and is used to cool off the clamping core at least, thereby cooling agent circulates by the cooling hole.Adopt this structure, can reduce the surface temperature of the clamping core that contacts with the extruding part end.Can almost eliminate like this being recessed into that end surface stays.Therefore, the outward appearance that helps the extruding part end.
Description of drawings
The cutaway view of Fig. 1 is, at the molding apparatus that is used for moulding door weather strip bight according to first embodiment of the invention, from vertical orthogonal direction cutaway view in the bight that contacts with vertical sidepiece of door weather strip;
The cutaway view of Fig. 2 is, at the molding apparatus that is used for moulding door weather strip bight according to first embodiment of the invention, and the parallel longitudinal direction cutaway view in the bight that contacts with the upper lateral part of door weather strip;
Fig. 3 is the inboard axis of orientation mapping of the car in the door weather strip bight of first embodiment of the invention production;
Fig. 4 is the car lateral direction axonometric drawing in the door weather strip bight of first embodiment of the invention production;
Fig. 5 illustrates the part vertical view that first embodiment of the invention is used for the molding apparatus configuration in moulding door weather strip bight;
Fig. 6 is used for the molding apparatus cutaway view in moulding door weather strip bight for first embodiment of the invention, is vertical orthogonal direction cutaway view in the bight that contacts with the door weather strip upper lateral part;
The cutaway view of Fig. 7 is, is used for the molding apparatus in moulding door weather strip bight in second embodiment of the invention, from vertical orthogonal direction cutaway view in the bight that contacts with the vertical sidepiece of door weather strip;
The cutaway view of Fig. 8 is, is used for the molding apparatus in moulding door weather strip bight in second embodiment of the invention, from the parallel longitudinal direction cutaway view in the bight that contacts with the door weather strip upper lateral part;
The cutaway view of Fig. 9 is, is used for the molding apparatus in moulding door weather strip bight in second embodiment of the invention, from vertical orthogonal direction cutaway view in the bight that contacts with the door weather strip upper lateral part;
The cutaway view of Figure 10 is, is used for the molding apparatus in formed glass chute bight in third embodiment of the invention, from vertical orthogonal direction cutaway view of glass run;
The cutaway view of Figure 11 is, is used for the molding apparatus in formed glass chute bight in fourth embodiment of the invention, cutaway view on vertical orthogonal direction of glass run;
The cutaway view of Figure 12 is, is used for the molding apparatus in moulding opening trim weather strip bight in fifth embodiment of the invention, from opening trim weather strip orthogonal direction cutaway view longitudinally;
The cutaway view of Figure 13 is, is used for the molding apparatus in moulding opening trim weather strip bight in sixth embodiment of the invention, from opening trim weather strip orthogonal direction cutaway view longitudinally;
The cutaway view of Figure 14 is, is used for the molding apparatus in moulding door weather strip bight in seventh embodiment of the invention, from vertical orthogonal direction cutaway view in the bight that contacts with the vertical sidepiece of door weather strip;
Figure 15 is the axonometric drawing by the door weather strip of conventional method production;
The cutaway view of Figure 16 is, is used for the molding apparatus of another door weather strip of moulding, vertical orthogonal direction cutaway view in door weather strip bight in prior art;
The cutaway view of Figure 17 is, is used for the molding apparatus of the another door weather strip of moulding, vertical orthogonal direction cutaway view in door weather strip bight in prior art;
The cutaway view of Figure 18 is, is used for the molding apparatus of another door weather strip of moulding, the parallel longitudinal direction cutaway view in door weather strip bight in prior art;
Figure 19 is the amplification view that is used for the part of clamping door weather strip shown in Figure 180 end; And
Figure 20 is for being used for the amplification view of the part of clamping door weather strip end in the prior art.
The specific embodiment
Describe embodiments of the invention with reference to Fig. 1 to Figure 14,, represent similar parts or part with identical label for fear of the complexity of embodiment explanation.
Fig. 1 is that the end, bight is orthogonal direction cutaway view longitudinally at the molding apparatus 20 in the bight of the door weather strip 10 that is used for the moulding first embodiment of the invention, and this end contacts with the longitudinal edge of door weather strip 10.Fig. 2 is the identical cutaway view on the parallel direction longitudinally of door weather strip 10 ends.
Fig. 3 is the axonometric drawing in door weather strip 10 bights of direction in the car.Fig. 4 is the axonometric drawing in similar bight, and it is watched for direction outside car.
Fig. 5 is the vertical view of the configuration of one section inner core 29, and inner core 29 is placed among the die cavity 20c of molding apparatus 20.Fig. 6 is the cutaway view that is used for the molding apparatus 20 of moulding door weather strip 10, for will with vertical orthogonal direction cutaway view in the bight of side contacts on door weather strip 10 ends.
Fig. 7 is a cutaway view, is illustrated in the door weather strip 10 bight molding apparatus 20 that are used for the moulding second embodiment of the invention, by vertical orthogonal direction cutaway view of the end, bight that will contact with vertical sidepiece of door weather strip 10.Fig. 8 is for being parallel to the door weather strip 10 ends identical cutaway view on the direction longitudinally.
Fig. 9 is the cutaway view that is used for the molding apparatus 20 of moulding door weather strip 10, is vertical orthogonal direction cutaway view in the bight that will contact with door weather strip 10 upper side ends.
Figure 10 is the cutaway view of molding apparatus 30, is end vertical orthogonal direction cutaway view in glass run 50 bights, and this molding apparatus is the third embodiment of the present invention, and is used for formed glass chute 50.
Figure 11 is the cutaway view of molding apparatus 30, is end vertical orthogonal direction cutaway view in glass run 50 bights, and this molding apparatus is the fourth embodiment of the present invention, and is used for formed glass chute 50.
Figure 12 is the cutaway view of molding apparatus 40, is vertical orthogonal direction cutaway view in opening trim weather strip 60 bights, and this molding apparatus is the fifth embodiment of the present invention, and is used for moulding opening trim weather strip 60.
Figure 13 is the cutaway view of molding apparatus 40, is vertical orthogonal direction cutaway view in opening trim weather strip 60 bights, and this molding apparatus is the sixth embodiment of the present invention, and is used for moulding opening trim weather strip 60.
Figure 14 is a cutaway view, is illustrated in the door weather strip bight molding apparatus 20A that is used for the moulding seventh embodiment of the invention, vertical orthogonal direction cutaway view in the bight of touching with vertical edge joint of door weather strip.
First embodiment
The method and the molding apparatus 20 thereof that are used to produce door weather strip 10 according to first embodiment will be described below.
As shown in Figure 3 and Figure 4, door weather strip 10 produced according to the invention comprises: the extruding part 17 of extrusion molding and by the molding portion 16 of molding apparatus 20 moulding.Extruding part 17 comprises two kinds of parts, that is, the part that is used to be installed to the part of a upper lateral part and is used to be installed to vertical sidepiece, the shape of cross section of these two kinds of parts differs from one another.Each end of two extruding parts 17 is connected to each other with the molding portion 16 one modes that will be installed on the doorframe bight.
At first illustrate in the molding portion 16 and be installed on the manufacture method and the molding apparatus 20 of coupling part between the extruding part 17 of the vertical sidepiece of doorframe.Describe after a while and be installed on the extruding part 17 of upper lateral part and the coupling part between the molding portion 16.
As shown in Figure 3 and Figure 4, the extruding part 17 that is installed on the vertical sidepiece of doorframe comprises: base portion 11 is installed, is installed on doorframe; And hollow sealing part 12, contact with the door opening perimembranous of car body, be used for sealing.
With the continuous part place of extruding part 17, molding portion 16 has and the identical shape of cross section of extruding part 17 shape of cross sections, and has the base portion 11 of installation and hollow sealing part 12.Near the centre position that base portion 11 turnings are installed, form inner core described below and extract hole 15, be used to extract the inner core 29 of molding apparatus 20.The hollow sealing part 12 of molding portion 16 is connected at its end face with the hollow sealing part 12 of extruding part 17, thereby hollow space is continuous mutually.In addition, inner core 29 is used to form hollow sealing part 12 hollow of molding portion 16.As shown in Figure 5, inner core 29 is supported by inner core gripper shoe 29a.Like this, inner core gripper shoe 29a forms inner core and extracts hole 15.
As shown in Figure 1, molding apparatus 20 comprises substantially: patrix 21, counterdie 22 and inner core 29.
As shown in Figure 5, inner core 29 is positioned among the die cavity 20c that is formed between patrix 21 and the counterdie 22.In the opposite end of inner core 29 lock pin 27 is installed, lock pin 27 inserts the hollow sealing part 12 of extruding part 17 respectively.
In addition, as shown in Figure 5, molding apparatus 20 has the die cavity 20c that is used for moulding molding portion 16 and is used for the retained part 20b of clamping extruding part 17 ends.As shown in Figure 1, at the retained part 20b place of molding apparatus 20, patrix 21 comprises mould body 21b and is used for the first clamping core 23 of clamping extruding part 17.Counterdie 22 comprises mould body 22b and the second clamping core 24, the 3rd clamping core 25 and the 4th clamping core 26 that are used for clamping extruding part 17 down.
The first clamping core 23, the second clamping core 24, the 3rd clamping core 25 and lock pin 27 are all made by the low heat conductivity material, for example hear resistance synthetic resin or hear resistance synthetic rubber.The 4th clamping core 26 is made by the material that is used to form molding apparatus 20 other parts, and metal for example is as steel.
Incidentally, also can only the first clamping core 23, the second clamping core 24, the 3rd clamping core 25 be made by the low heat conductivity material.In addition, also can only lock pin 27 be made by the low heat conductivity material.
At least a portion of the inner core of retained part 20b is made by the low heat conductivity material in the molding apparatus 20.Like this, when the molding portion 16 and extruding part 17 ends of retained part 20b clamping were one-body molded, although molding apparatus 20 heats, the heat of molding apparatus 20 seldom transmitted.This can reduce the depth of cup of staying end surface.Therefore, the outward appearance that helps extruding part 17 ends.
Clamping is carried out in the rear surface of in 26 pairs of extruding parts 17 of the 4th clamping core base portion 11 being installed.Therefore, even form recess from the teeth outwards, outward appearance is also unaffected.Therefore, can form the 4th clamping core 26 by the material that forms molding apparatus 20 other parts.
The low heat conductivity material can be formed by hear resistance synthetic resin or hear resistance synthetic rubber.Available hear resistance synthetic resin example can comprise: polytetrafluoroethylene (PTFE) (ethylenepolyfluoride, PTFE), poly-fluoro alkylene oxide group (polyfluoroalkoxylene, PFA), polyimides (PI), polyphenylene sulfide (PPS), polyether-ether-ketone (PEEK) and polybenzimidazoles (PBI).
As the hear resistance synthetic rubber, can use carbon fluorubber, silicon rubber etc.Incidentally, hear resistance synthetic resin or hear resistance synthetic rubber can be close materials.Yet, preferably use the closed pore sponge material.
The first clamping core 23 is configured to have insulated space 28, and insulated space 28 is arranged between the body 21b of the first clamping core 23 and molding apparatus 20 patrixes 21.Therefore, the first clamping core 23 only contacts the body 21b of patrix 21 at the place, bight.Like this, the heat from patrix 21 can not transmit substantially.Therefore, because the first clamping core 23 is made by the hear resistance material, heat can not be delivered to a side of clamping extruding part 17 ends in the first clamping core 23 substantially.Therefore, can reduce the degree of depth of impression in the end surface of extruding part 17.
The second clamping core 24 and the 3rd clamping core 25 comprise the insulated space 28 between the body of counterdie 22 in itself and molding apparatus 20 too respectively.Therefore, identical with the first clamping core 23, heat can not pass to a side of clamping extruding part 17 ends substantially.Therefore, can reduce the degree of depth of impression in the end surface of extruding part 17.
Incidentally, in insulated space 28, replace insulated space, heat-barrier material (for example pottery) can be set.Even like this, can be so that heat can not be delivered to a side of clamping extruding part 17 ends substantially yet.
The method of production molding portion 16 is described below.
At first, the extruding part 17 of door weather strip 10 is cut into preliminary dimension, its end is inserted into the lock pin 27 of molding apparatus 20 inner cores 29 ends.In addition, the extruding part 17 (hereinafter describe) that will be used for upper lateral part is inserted into inner core 29 another terminal lock pins 27.In this step, inner core 27 and inner core jut 29b are inserted the hollow sealing part 12 of extruding part 17 and the installation base portion hollow space 13 of installation base portion 11 respectively.Then, as shown in Figure 5, inner core 29 is placed among the die cavity 20c of counterdie 22 of molding apparatus 20.
Then, when the patrix 21 of molding apparatus 20 was closed, molding apparatus 20 formed die cavity 20c, and, by retained part 20b clamping is carried out in the end of the extruding part 17 of vertical sidepiece and upper lateral part.
Then, the material that is used to form molding portion 16 is injected die cavity 20c.When material is rubber, molding apparatus 20 is heated to vulcanize and to foam as required.In sulfuration and when foaming,, make the end of the end of molding portion 16 and extruding part 17 can be bonded to one another by heating.Therefore, molding portion 16 and extruding part 17 can form as one.
As mentioned above, in this step, the first clamping core 23, the second clamping core 24 and the 3rd clamping core 25 of retained part 20b are formed by low Heat Conduction Material, and/or the lock pin 27 of inner core 29 is formed by low Heat Conduction Material.Therefore, heat can not pass to the surface that extruding part 17 is held the end substantially.As a result, can be reduced in this lip-deep depth of cup.Therefore, the outward appearance that helps extruding part 17 ends.
To be described in molding portion 16 below and be installed to coupling part between the extruding part 17 of doorframe upper lateral part.
As shown in Figure 3 and Figure 4, the extruding part 17 that is installed to the doorframe upper lateral part comprises: base portion 11 is installed, is used to be installed to doorframe; Hollow sealing part 12 is formed at the car inboard that base portion 11 is installed, and contacts with the door opening perimembranous of car body, is used for sealing; And sealed lip 14, be formed at the car outside that base portion 11 is installed, contact with the door opening perimembranous of car body, be used for sealing.
The extruding part 17 that is installed on the doorframe upper lateral part is with extruding part 17 differences that are installed on the vertical sidepiece of doorframe, forms sealed lip 14 from base portion 11 is installed.
As shown in Figure 6, being used to form lock pin 27 structures that base portion 11 and hollow sealing part 12 are installed in the molding apparatus 20 is identical with the 3rd clamping core 25 structures.The retained part 20b that in the molding apparatus 20 sealed lip 14 is carried out clamping is the part of the part of the first clamping core 23 and the second clamping core 24.Therefore, the first clamping core 23 by low heat conductivity and the second clamping core 24 are from sandwich sealed lip 14.Can reduce the depth of cup of staying sealed lip 14 surfaces like this.Therefore, the outward appearance that helps sealed lip 14.
Second embodiment
The molding apparatus 20 that is used to produce door weather strip 10 according to second embodiment is described below.Molding apparatus 20 have with according to the molding apparatus 20 essentially identical structures of first embodiment.
In a second embodiment, the first clamping core 23, the second clamping core 24 and the 3rd clamping core 25 comprise cooling hole 23c, 24c and the 25c that is respectively formed at its inside, thereby allow cooling agent to circulate therein.For cooling hole 23c, 24c and 25c, hole 24c is that example is described with cooling.
As shown in Figure 7 and Figure 8, for cooling hole 24c, two cooling hole 24c are arranged on the inside of the second clamping core 24.Two terminal connections of cooling hole 24c in the second clamping core 24, thus as shown in Figure 8, two cooling holes are connected to each other.Other two ends of two cooling hole 24c are connected to the cooling hole of the cooling device (not shown) that is formed on molding apparatus 20 outsides.Adopt this structure, cooling agent can circulate in cooling hole 24c.Therefore, heated cooling agent returns cooling device in the second clamping core 24, and allows circulation once more therein.
Also can in the first clamping core 23, the second clamping core 24 and the 3rd clamping core 25, all form cooling hole 23c, 24c and 25c.
In at least a portion of molding apparatus 20 retained part 20b, cooling hole 23c, 24c and the 25c that will be used to cool off clamping core 23,24 and 25 are respectively formed at its inside.Can guarantee that like this cooling agent in cooling hole 23c, 24c and 25c circulates as mentioned above.By this structure, when molding portion 16 and extruding part 17 ends by retained part 20b clamping form as one, though molding apparatus is heated, in this case, can not be transmitted to each clamping core 23,24 and 25 substantially from the heat of molding apparatus 20 yet.As a result, can reduce the depth of cup that stays at extruding part 17 end surfaces owing to heat reshaping.Therefore, the outward appearance that helps extruding part 17 ends.
Clamping is carried out in the rear surface that 26 pairs of extruding parts of the 4th clamping core 17 are installed base portion 11.Therefore, even form recess on this surface, outward appearance can be not influential yet.Therefore, need not form the cooling hole in the inside of the 4th clamping core 26.
Around the first clamping core 23, between the body of itself and molding apparatus 20 patrixes 21, insulated space 28 is set.Therefore, the first clamping core 23 only contacts at the place, bight with the body of molding apparatus 20 patrixes 21.Therefore, the heat from patrix 21 can not conducted substantially.Therefore, because cooling hole 23c is formed on the first clamping core, 23 inside, heat can not be transmitted to a side of clamping extruding part 17 ends in the first clamping core 23 substantially again.Therefore, can reduce the depth of cup that stays at extruding part 17 end surfaces.
Around the second clamping core 24 and the 3rd clamping core 25, between the body of itself and molding apparatus 20 counterdies 22, insulated space 28 is set respectively.Therefore, as the first clamping core 23, heat can not be transmitted to a side of clamping extruding part 17 ends substantially.Therefore, can be reduced in the depth of cup that extruding part 17 end surfaces stay.
Incidentally, in insulated space 28, heat-barrier material (for example pottery) also can be set replace this space.Even like this, equally can be so that heat can not be transmitted to a side of clamping extruding part 17 ends substantially.
Below, the manufacture method of description molding portion 16.
At first, the extruding part 17 of door weather strip 10 is cut into preliminary dimension, its end is inserted into the lock pin part 27 of molding apparatus 20 inner cores 29 ends.In addition, the extruding part 17 (after a while describe) that will be used for upper lateral part is inserted into inner core 29 another terminal lock pins 27.In this step, lock pin part 27 and inner core jut 29b are inserted the hollow sealing part 12 of extruding part 17 respectively and install in the installation base portion hollow space 13 of base portion 11.Then, as shown in Figure 5, inner core 29 is placed among the die cavity 20c of molding apparatus 20 counterdies 22.
Then, when the patrix 21 of molding apparatus 20 was closed, molding apparatus 20 formed die cavity 20c, and, by retained part 20b, clamping is carried out in the end of the extruding part 17 of vertical sidepiece and upper lateral part.
Then, the material that is used to form molding portion 16 is injected die cavity 20c.When material is rubber, molding apparatus 20 is heated to vulcanize and to foam as required.In sulfuration and when foaming,, make the end of the end of molding portion 16 and extruding part 17 can be bonded to one another by heating.Like this, can molding portion 16 and extruding part 17 is integrally formed.
According to second embodiment, in the first clamping core 23, the second clamping core 24 and the 3rd clamping core 25 of retained part 20b, form cooling hole 23c, 24c and 25c.As a result, when molding portion 16 when using molding apparatus 20 moulding, can reduce extruding part 17 and be held the depth of cup that the surface of end stays.Therefore, the outward appearance that helps extruding part 17 ends.
Describe below in molding portion 16 and be used to be installed to coupling part between the extruding part 17 of doorframe upper lateral part.
In a second embodiment, continuous part to extruding part 17 has and the identical shape of cross section of extruding part 17 shape of cross sections in the molding portion 16, and it has base portion 11, hollow sealing part 12 and the sealed lip 14 of installation.As shown in Figure 9, it is identical with first embodiment with the 3rd clamping core 25 structures to be used to form lock pin 27 structures that base portion 11 and hollow sealing part 12 are installed in the molding apparatus 20.The retained part 20b that in the molding apparatus 20 sealed lip 14 is carried out clamping is the part of the first clamping core 23 and the part of the second clamping core 24.As mentioned above, form cooling hole 23c and 24c therein respectively.Sealed lip 14 from both sides by the first clamping core 23 and 24 clampings of the second clamping core.Therefore, heat can not be transmitted on the surface of sealed lip 14 substantially.As a result, reduced the depth of cup that stays on the surface.Therefore, the outward appearance that helps sealed lip 14.
Incidentally, can use such door weather strip 10, it does not comprise hollow sealing part 12 but wherein only is formed with sealed lip 14 yet.
The 3rd embodiment
With reference to Figure 10, the manufacture method and the molding apparatus 30 that are used for formed glass chute 50 bights according to the 3rd embodiment are described.Similar with door weather strip 10, glass run 50 comprises: by the extruding part of extruding formation and the molding portion of passing through to use molding apparatus 30 moulding.
The extruding part of glass run 50 is provided with: the glass run body of U-shaped cross-section, and comprise car outside sidewall 51, car inside side walls 52 and is connected the diapire 53 of car outside sidewall 51 and car inside side walls 52, be U-shaped cross-section; Car outside sealing lip 54 and car inner seal lip 55 tilt to extend towards the glass run body interior from car outside sidewall 51 and car inside side walls 52 end separately respectively; And car outboard cover lip 56 and car inside cover lip 57, stretch out from car outside sidewall 51 and car inside side walls 52 end separately respectively, be basically parallel to car outside sidewall 51 and car inside side walls 52.
Continuous part to glass run 50 extruding parts has the shape of cross section identical with the extruding part shape of cross section in the molding portion.This part has: the glass run body of U-shaped cross-section, and comprise car outside sidewall 51, car inside side walls 52 and is connected the diapire 53 of car outside sidewall 51 and car inside side walls 52, be U-shaped cross-section; Car outside sealing lip 54; Car inner seal lip 55; Car outboard cover lip 56; With car inside cover lip 57.
As shown in figure 10, therefore molding apparatus 30 comprises substantially: patrix 31, counterdie 32, inner panel 36 and inner core 37.
In the end of glass run 50 extruding parts, inner panel 36 inserts the space between car outside sidewall 51 and the car outboard cover lip 56, and, the space between car inside side walls 52 and the car inside cover lip 57.The inside that inner core 37 inserts the glass run body.About the clamping of glass run 50 extruding part ends, by the surface of the first clamping core 33, the second clamping core 34 and the 3rd clamping core 35 clamping glass runs 50, and, by the medial surface and the trailing flank of inner panel 36 and inner core 37 clamping glass runs 50.
The first clamping core 33, the second clamping core 34 and the 3rd clamping core 35 are all made by low Heat Conduction Material.Can reduce heat like this is transmitted on the glass run 50.Therefore, can be reduced in the depth of cup that the outside of car in the glass run 50 sealing lip 54, car inner seal lip 55, car outboard cover lip 56 and car inside cover lip 57 stay on the surface separately.Therefore, help its outward appearance.In addition, when the part of inner panel 36 and inner core 37 is made by low Heat Conduction Material, can further reduce the depth of cup that stays from the teeth outwards.
Therefore, with molding apparatus 30 patrixes 31 and part that counterdie 32 contacts in, the first clamping core 33, the second clamping core 34 and the 3rd clamping core 35 are provided with insulated space 38.Therefore, can further minimize the heat that is transmitted to the first clamping core 33, the second clamping core 34 and the 3rd clamping core 35 from molding apparatus 30 patrixes 31 and counterdie 32.
The 4th embodiment
Below with reference to Figure 11, the manufacture method and the molding apparatus 30 that are used for formed glass chute 50 bights according to the 4th embodiment are described.
Be similar to the 3rd embodiment, continuous part to glass run 50 extruding parts has the shape of cross section identical with the extruding part shape of cross section in the molding portion.This part has: the glass run body of U-shaped cross-section comprises car outside sidewall 51, car inside side walls 52 and is connected the diapire 53 of car outside sidewall 51 and car inside side walls 52; Car outside sealing lip 54; Car inner seal lip 55; Car outboard cover lip 56; With car inside cover lip 57.
In the 4th embodiment, the first clamping core 33, the second clamping core 34, the 3rd clamping core 35, inner panel 36 and inner core 37 all within it portion comprise the cooling hole 33c, 34c, 35c and 36c.This can reduce the heat that is transmitted on the glass run 50.Therefore, the depth of cup that stays on the surface separately of car outside sealing lip 54, car inner seal lip 55, car outboard cover lip 56 and the car inside cover lip 57 that can be reduced in glass run 50.Therefore, help its outward appearance.
The 5th embodiment
Below, manufacture method that is used for moulding opening trim weather strip 60 bights and molding apparatus 40 according to the 5th embodiment are described.As door weather strip 10, opening trim weather strip 60 comprises extruding part and by the molding portion of molding apparatus 40 moulding.
The extruding part of opening trim weather strip 60 comprises: flanging part 61 (U-shaped cross-section), be formed on the hollow sealing part 62 of flanging part 61 cross sides and be formed on the lid lip portion 63 of flanging part 61 top sides.Continuous part to opening trim weather strip 60 extruding parts has the shape of cross section identical with the extruding part shape of cross section in the molding portion.This part has flanging part 61 (U-shaped cross-section), hollow sealing part 62 and lid lip portion 63.
As shown in figure 12, molding apparatus 40 comprises: patrix 41, counterdie 42 and the inner core 49 with lock pin part 47.The first clamping core 43, the second clamping core 44, the 3rd clamping core 45 and lock pin part 47 are made by low heat conductivity synthetic resin.
In the end of opening trim weather strip 60 extruding parts, hollow sealing part 62 inside that lock pin part 47 is inserted opening trim weather strip 60.The outside of hollow sealing part 62 is by the first clamping core 43 and 44 clampings of the second clamping core.
The first clamping core 43, the second clamping core 44, the 3rd clamping core 45 and lock pin part 47 are all made by the low heat conductivity material.This can reduce on the hollow sealing part 62 and lid lip portion 63 that heat is transmitted to opening trim weather strip 60.As a result, can be reduced in the degree of depth that the hollow sealing part 62 of opening trim weather strip 60 and lid lip portion 63 stay impression separately on the surface.Therefore, help outward appearance.
Incidentally, can use the moulding material of synthetic rubber as door weather strip 10, glass run 50 and opening trim weather strip 60.For example, also can use ethylene propylene diene rubber (EPDM) as synthetic rubber.In order to improve flexibility, preferably, make the material foaming, and use as sponge material.
The 6th embodiment
The manufacture method and the molding apparatus 40 that are used for moulding opening trim weather strip 60 bights according to the 6th embodiment are described below.
Be similar to the 5th embodiment, as shown in figure 13, molding apparatus 40 comprises: patrix 41, counterdie 42 and the inner core 49 with lock pin part 47.In the 6th embodiment, the first clamping core 43, the second clamping core 44 and the 3rd clamping core 45, lock pin part 47 all comprise cooling hole 43c, 44c, 45c, the 47c that is respectively formed at its inside.
At place, the end of opening trim weather strip 60 extruding parts, hollow sealing part 62 inside that the lock pin part 47 of inner core 49 is inserted opening trim weather strips 60.The outside of hollow sealing part 62 is by the first clamping core 43 and 44 clampings of the second clamping core.
The first clamping core 43, the second clamping core 44 and the 3rd clamping core 45 all comprise cooling hole 43c, 44c, the 45c that is respectively formed at its inside.This can reduce hollow sealing part 62 that is transmitted to opening trim weather strip 60 and the heat that covers lip portion 63.As a result, can reduce hollow sealing part 62 and the lip-deep separately depth of cup of lid lip portion 63 of staying opening trim weather strip 60.Therefore, help its outward appearance.
Incidentally, in addition, use the moulding material of synthetic rubber as door weather strip 10, glass run 50 and opening trim weather strip 60.For example, use ethylene propylene diene rubber as synthetic rubber.In order to improve flexibility, preferably, make the material foaming, and use as sponge material.
The molding apparatus that carries out cooling processing is not limited only to metal, preferably uses low Heat Conduction Material (for example, heat-resistant resin or hear resistance rubber) with the form of inner core.Especially, the lock pin of inner core partly need be cooled, but pipe arrangement is very difficult.In addition, whole core is cooled and makes and can not carry out the sulfuration of molding portion.Thus, preferably,, use low Heat Conduction Material, and, the cooling hole is set in the low heat conductivity material, obtain composite construction for other clamping core for the lock pin part.
The 7th embodiment
Has composite construction according to the molding apparatus 20A of the 7th embodiment according to the first embodiment molding apparatus and the second embodiment molding apparatus.Molding apparatus 20A has according to basic structure of the second embodiment molding apparatus 20 (as shown in figure 14) and the clamping core similarly made by low Heat Conduction Material with first embodiment.
In the 7th embodiment, the lock pin part 27A of inner core 29A is formed by low Heat Conduction Material. Other clamping core 23,24 and 25 also is provided with the low heat conductivity material.Cooling hole 23c, 24c and 25c are arranged in clamping core 23,24 and 25.
Claims (17)
1. forming method that is used to form sealing strip, described sealing strip comprises: extruding part and molding portion, this molding portion utilizes molding apparatus to be connected with the extruding part end, described molding apparatus is provided with retained part that is used for the described extruding part of clamping end and the die cavity that is used to form described molding portion, wherein said retained part has the clamping core that contacts with described extruding part end, and, described clamping core is provided with and reduces the heat-conduction part branch, and described forming method may further comprise the steps:
Provide by extruding the extruding part of formation;
Described end by the described extruding part of described retained part clamping;
In described die cavity, inject unvulcanized elastomeric material;
And by making described elastomeric material sulfuration to form rubber, the described molding portion of moulding becomes one itself and described extruding part end.
2. sealing strip forming method according to claim 1, the part that wherein described at least minimizing heat-conduction part divides is formed by low Heat Conduction Material.
3. sealing bar forming method according to claim 1; Wherein said extruding part has the hollow sealing part; The described retained part of described molding apparatus is provided with lock pin and clamping core; Described lock pin is formed by low Heat Conduction Material; And for inserting described hollow sealing part; Described clamping core is used for the outside of the described hollow sealing part of clamping; And be used for the described molding portion hollow sealing part of moulding and described extruding part hollow sealing partial continuous; The outside of described extruding part hollow sealing part is by described lock pin and the extruding of described clamping core and clamping
In the described molding apparatus die cavity that is placed with the integrally formed inner core of described lock pin, the unvulcanized rubber material that is used to form described molding portion is injected, make the described vulcanization of rubber and moulding then.
4. sealing strip forming method according to claim 1, wherein said extruding part has sealed lip, and described molding apparatus has the clamping core that is used for contacting and carrying out with the opposite side of described sealed lip clamping, and described clamping core is formed by low Heat Conduction Material.
5. sealing strip forming method according to claim 1, the thickness that wherein the described end of described extruding part is compressed 0.1mm be to being compressed half of this thickness, and it is carried out clamping.
6. a molding apparatus that is used to form sealing strip forms sealing strip, and the sealing bar comprises that described molding apparatus comprises by the extruding part of extruding formation and the molding portion that is connected with the end of described extruding part:
Die ontology;
Retained part is used for the end of the described extruding part of clamping; And
Die cavity is used to form described molding portion,
Wherein, described retained part has the clamping core that contacts with described extruding part end, and the part of described at least clamping core is provided with and reduces the heat-conduction part branch.
7. the molding apparatus that is used to form sealing strip according to claim 6, the part that wherein described at least minimizing heat-conduction part divides is formed by low Heat Conduction Material.
8. the molding apparatus that is used to form sealing strip according to claim 6, wherein said extruding part has the hollow sealing part, the described retained part of described molding apparatus is provided with lock pin and clamping core, described lock pin is used to insert described hollow sealing part, described clamping core is used to push the outside with the described extruding part of clamping, and described lock pin is formed by low Heat Conduction Material.
9. the molding apparatus that is used to form sealing strip according to claim 6, wherein said extruding part has sealed lip, the described retained part of described molding apparatus is provided with the clamping core, described clamping core is used to push the outside and the inboard with the described sealed lip of clamping, and the compressive plane of described at least clamping core is formed by low Heat Conduction Material.
10. the molding apparatus that is used to form sealing strip according to claim 6 wherein between described clamping core and described die ontology, is provided with insulated space or heat-barrier material.
11. the molding apparatus that is used to form sealing strip according to claim 6, wherein said low Heat Conduction Material are hear resistance synthetic resin or hear resistance rubber.
12. the molding apparatus that is used to form sealing strip according to claim 6, wherein said minimizing heat-conduction part branch comprise the cooling hole that is formed on described clamping in-core portion, the cooling agent that is used to cool off described clamping core circulates by described cooling hole.
13. the molding apparatus that is used to form sealing strip according to claim 6, wherein said clamping core comprise the cooling hole that is formed on described clamping in-core portion, the cooling agent that is used to cool off described clamping core circulates by described cooling hole.
14. the molding apparatus that is used to form sealing strip according to claim 9, wherein the part of described at least clamping core comprises the cooling hole that is formed on described clamping in-core portion, and the cooling agent that is used to cool off described clamping core circulates by described cooling hole.
15. the molding apparatus that is used to form sealing strip according to claim 6 wherein, between described clamping core and described die ontology, is provided with insulated space or heat-barrier material.
16. the molding apparatus that is used to form sealing strip according to claim 12, wherein cooling agent is a water.
17. the molding apparatus that is used to form sealing strip according to claim 12, the part that wherein described at least minimizing heat-conduction part divides is formed by low Heat Conduction Material.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006180075 | 2006-06-29 | ||
| JP2006179323 | 2006-06-29 | ||
| JP2006179323A JP2008006700A (en) | 2006-06-29 | 2006-06-29 | Molding method of weather strip and mold therefor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101096119A CN101096119A (en) | 2008-01-02 |
| CN100579764C true CN100579764C (en) | 2010-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710123210A Expired - Fee Related CN100579764C (en) | 2006-06-29 | 2007-06-29 | Molding method of weather strip and mold therefor |
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| Country | Link |
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| JP (1) | JP2008006700A (en) |
| CN (1) | CN100579764C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012005181A1 (en) * | 2010-07-08 | 2012-01-12 | 東海興業株式会社 | Composite molded product and production method thereof |
| EP3558620A1 (en) * | 2016-12-23 | 2019-10-30 | LANXESS Deutschland GmbH | Hollow profile composite technology |
| CN110406038A (en) * | 2019-07-01 | 2019-11-05 | 合肥高科科技股份有限公司 | A kind of seal strip for refrigerator door mold |
-
2006
- 2006-06-29 JP JP2006179323A patent/JP2008006700A/en not_active Withdrawn
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2007
- 2007-06-29 CN CN200710123210A patent/CN100579764C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008006700A (en) | 2008-01-17 |
| CN101096119A (en) | 2008-01-02 |
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