CN102294772A - tire manufacturing method - Google Patents
tire manufacturing method Download PDFInfo
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- CN102294772A CN102294772A CN2011101116374A CN201110111637A CN102294772A CN 102294772 A CN102294772 A CN 102294772A CN 2011101116374 A CN2011101116374 A CN 2011101116374A CN 201110111637 A CN201110111637 A CN 201110111637A CN 102294772 A CN102294772 A CN 102294772A
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- tire
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- airbag
- ditch
- pressure medium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/02—Solid tyres ; Moulds therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0654—Flexible cores therefor, e.g. bladders, bags, membranes, diaphragms
- B29D2030/0657—Removing the vulcanizing media from the flexible cores, e.g. draining or evacuating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
- B29D2030/0675—Controlling the vulcanization processes
- B29D2030/0677—Controlling temperature differences
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Tires In General (AREA)
- Tyre Moulding (AREA)
Abstract
The tire manufacturing method comprises the steps of (1) obtaining a green tire by performing, (2)opening a mold (50) to put in the green tire, wherein, the mold possesses an upper mold and a lower mold(54), and a cavity surface(56) supporting against the green tire to thereby form an outer surface of the tire(20) is constituted by combining the upper mold and the lower mold(54), (3)filling a pressurization medium in an air bag (52) in the inner side of the green tire, (4)closing the mold(50) and pressing and heating the green tire in the mold(50), (5)discharging the pressurization medium from the air bag(52), (6)opening the mold(50) and filling another pressurization medium in the air bag(50).
Description
Technical field
The present invention relates to tire manufacturing method.Specifically, the present invention relates to use the tire manufacturing method of mold halves.
Background technology
Fig. 6 is the skeleton diagram of expression tire with the part of vulcanization plant 2.What symbol T represented is the tire made from this vulcanization plant 2.The situation of taking out this tire T from vulcanization plant 2 shown in this Fig. 6.
Vulcanization plant 2 has mould 4, airbag 6, upside clamping plate 8 and downside clamping plate 10.This mould 4 has lower mould 12.Though it is not shown but this mould 4 also has upper die.This mould 4 is mold halves.In this mould 4, constitute the cavity surface 14 of the outer surface that forms tire T by this upper die of combination and lower mould 12.
Airbag 6 is formed by cross-linked rubber.It is cylindric that airbag 6 roughly is.Though upside end edge portion not shown but airbag 6 is kept by upside clamping plate 8.The downside end edge portion of this airbag 6 is kept by downside clamping plate 10.To the inside of this airbag 6 blanketing gas.By this filling airbag 6 is expanded.This airbag 6 is when shrinking when gas is discharged in its inside.The airbag 6 that Fig. 6 represents is in contraction state.
In this vulcanization plant 2, tire T makes as follows.Put into the green tire (being also referred to as uncrosslinked tire) that obtains through preformed in the mould 4 after opening.By blanketing gas airbag 6 is expanded.Close die 4 is in the die cavity of mould 4 and airbag 6 encirclements, to green tire pressurization and heating.By pressurization and heating, the rubber composition of green tire flows in die cavity.Thereby make rubber generation cross-linking reaction obtain tire T by heating.As shown in Figure 6, the discharge by gas is shunk airbag 6, and opens mould 4 and take out tire T.
From the viewpoint of driving performance, can be at tread surface 16 ditches of tire T.Under the situation of making such tire T, use the mould 4 that on its cavity surface 14, is provided with the raised line corresponding with this ditch.In this mould 4, because raised line is absorbed in the tyre surface of tire T, during therefore from this mould 4 taking-up tire T, the surface of this tire T can produce defectives such as damaged.
So, in mold halves 4, when when this mould 4 takes out tire T, there being the problem that is easy to generate defective.In order to address this problem, the removing method of the tire T that makes with mold halves 4 various researchs have been carried out.This research example is disclosed in Japanese kokai publication hei 8-25364 communique and TOHKEMY 2007-185855 communique.
Patent documentation 1: Japanese kokai publication hei 8-25364 communique
Patent documentation 2: TOHKEMY 2007-185855 communique
From the craspedodrome stability of tire T and the viewpoint of drainage, can be in the middle section setting of tread surface 16 roughly along the ditch that circumferentially extends.
Mold halves 4 has the parting line as the border of upper die and lower mould 12.Lie across under the situation of this parting line at the raised line corresponding with above-mentioned ditch, upper die and lower mould 12 divisional plane 18 separately comprises the end face of this raised line.The edge of this end face is very sharp keen.About this mould 4, when taking out tire T, this sharp keen edge can damage the surface of this tire T.
Above-mentioned raised line is more little with respect to the angle of inclination of the equatorial plane, and it is sharp keen more that the edge of this raised line end face becomes.When taking out tire T, sharp keen edge damages the surface of tire T easily.It is very difficult producing following tire T and do not damage its surface by mold halves 4, and described tire T has roughly along the ditch that circumferentially extends at the middle section of its tread surface 16.
Summary of the invention
The object of the present invention is to provide a kind of tire manufacturing method that uses mold halves, stability and the superior tire of drainage can obtain keeping straight under the situation of not damaging surface of tyre.
The manufacture method of the tire that the present invention relates to comprises:
(1) obtains the operation of green tire by preformed;
(2) mould is opened the operation of this green tire being put into this mould, this mould has upper die and lower mould, thereby and the combination by this upper die and lower mould constitute the cavity surface that forms outer surface of tire with this green tire butt;
(3) fill the operation of pressure medium to the airbag of the inboard that is positioned at this green tire;
(4) this mould is closed the operation that is incorporated in this mould this green tire pressurization and heating;
(5) discharge the operation of this pressure medium from this airbag; With
(6) open this mould and this airbag is filled the operation of other pressure mediums.
Preferably, in the manufacture method of this tire, the temperature of described other pressure mediums is lower than the temperature of described pressure medium.The pressure of these other pressure mediums is lower than the pressure of this pressure medium.
Utilize the above-mentioned tire of this manufacture method manufacturing preferably to have described tire and have fetus face, the outer surface of this fetus face forms tread surface.Be carved with the ditch that tilts and extend with respect to the equatorial plane in this tread surface.The angle of inclination of this ditch is more than 5 ° and below 45 °.
Preferably, in the manufacture method of this tire, described ditch is positioned at the middle section of described tread surface.
Preferably, in the manufacture method of this tire, described lower mould have can with the divisional plane of described upper die butt.This divisional plane is compared with the equator and is positioned at the top.
By the present invention, can stably produce when mould takes out and not damage its surface, and craspedodrome stability and the superior tire of drainage.
Description of drawings
Fig. 1 is the cutaway view of the airtyred part of the manufacture method manufacturing that relates to by an embodiment of the invention of expression.
Fig. 2 is the expanded view of tread surface of the tire of presentation graphs 1.
Fig. 3 is the skeleton diagram of a part of the vulcanization plant of the expression tire that is used for shop drawings 1.
Fig. 4 is the flow chart of manufacture method of the tire of presentation graphs 1.
Fig. 5 is the situation of tire is taken out in expression from vulcanization plant a skeleton diagram.
Fig. 6 is the skeleton diagram of expression tire with the part of vulcanization plant.
Description of reference numerals: 2,48... vulcanization plant; 4,50... mould; 6,52... airbag; 12,54... lower mould; 14,56... cavity surface; 16,34... tread surface; 18,58... divisional plane; 20... tire; 22... tyre surface; 46... ditch; 60... inner peripheral surface.
The specific embodiment
Below, with reference to suitable accompanying drawing, and explain the present invention based on preferred implementation.
Shown in Figure 1 is utilizes the cutaway view of the pneumatic tire 20 of the manufacture method manufacturing that an embodiment of the invention relate to.In this Fig. 1, above-below direction is radially, and left and right directions is that axially the direction vertical with paper is circumferential.It is the roughly symmetrical shape at center that this tire 20 is with the line of the single-point among Fig. 1 CL.This single-point line CL represents the equatorial plane of tire 20.This tire 20 has: tyre surface 22, sidewall portion 24, tyre bead 26, carcass 28, belt 30 and inner liner 32.This tire 20 is tubeless type tires.This tire 20 is installed on motorcycle.
Tyre bead 26 is positioned at than sidewall portion 24 more roughly inboard by radially.Tyre bead 26 has: core 36 and the triangle glue 38 that radially extends laterally from this core 36.Core 36 is a ring-type.Core 36 by non-retractility steel wire coil around forming.Triangle glue 38 attenuates towards the radial outside front end.Triangle glue 38 is formed by the cross-linked rubber of high rigidity.
Though not shown, carcass cord 40 is made of many cords and rubberizing side by side.Each cord is generally 70 °～90 ° with respect to the absolute value of equatorial plane angulation.In other words, this carcass 28 has the meridian structure.Cord is formed by organic fiber usually.As preferred organic fiber, can polyester fiber, nylon fiber, staple fibre, polyethylene naphthalate fiber and aramid fibre be shown example.
Fig. 2 is the expanded view of a part of tread surface 34 of the tire 20 of presentation graphs 1.In this Fig. 2, above-below direction is that circumferentially left and right directions is a direction of principal axis.Single-point line CL is the equatorial plane of this tire 20.Double-head arrow WT represents is distance between the both ends TE of tyre surface 22.This distance W T is the girth of this tread surface 34.Shown in the symbol RC is the middle section of this tread surface 34.This middle section RC is positioned on the equator.In this tire 20 region R C axially on the center consistent with the equatorial plane.Double-head arrow WC represents the width of region R C.It is 40% of distance W T that the width W C of this region R C is set as.Need to prove that shown in the symbol RS is the zone, side of this tread surface 34.
As shown in the figure, be carved with a plurality of ditches 46 on the tread surface 34.Be formed with tyre tread by these ditches 46.Each ditch 46 tilts to extend with respect to the equatorial plane.The angle of inclination of ditch 46 that is positioned at middle section RC in this tire 20 is less than the angle of inclination of the ditch 46 that is positioned at side zone RS.In other words, this tire 20 has roughly along the ditch 46 that circumferentially extends at the middle section RC of its tread surface 34.About this tire 20, its tyre surface 22 has the rigidity of appropriateness, so the stability of keeping straight on is superior.Because this ditch 46 promotes draining, so this tire 20 also has superior drainage.
Among Fig. 2, angle [alpha] represents to lie across the edge of a ditch 46a in equator with respect to equatorial plane angulation.In this specification, about being positioned at each ditch 46 of middle section RC, α and its minimum of a value represented as the angle of inclination takes measurement of an angle.From the viewpoint of keep straight on stability and drainage, the tilt angle alpha that is positioned at the ditch 46 of middle section RC is preferably more than 5 °, more preferably below 45 °.
This tire 20 obtains by using vulcanization plant 48 shown in Figure 3 and green tire (being also referred to as uncrosslinked tire) being pressurizeed and heat.Among this Fig. 3, what symbol R represented is green tire.Among Fig. 3, chain-dotted line CL is the equatorial plane with the tire 20 of these vulcanization plant 48 manufacturings.
As previously mentioned, this tire 20 possesses roughly along the ditch 46 that circumferentially extends at the middle section RC of its tread surface 34.Though cavity surface 56 not shown but this mould 50 is provided with the raised line corresponding with this ditch 46.
In this mould 50, lower mould 54 possess can with the divisional plane 58 of upper die butt.With upper die and lower mould 54 combinations the time, the upper die mounting is in this divisional plane 58.The parting line that this divisional plane 58 constitutes as the border of this upper die and lower mould 54.As shown in the figure, the divisional plane 58 of lower mould 54 is compared with the equatorial plane and is positioned at the top.In other words, the parting line of this mould 50 is compared with the equatorial plane and is positioned at the top.
This tire 20 is to use vulcanization plant 48 to make according to method as follows.What Fig. 4 represented is the flow chart of the manufacture method of this tire 20.
In this manufacture method, obtain green tire R (step 1) by preformed.Green tire R is put in the mould 50 (step 2) under the state that mould 50 is opened and airbag 52 is shrinking.Be filled with temperature in the inside of airbag 52 and be adjusted to 180 ℃～200 ℃ steam as the first pressure medium (step 3).Fill by this, the interior pressure of airbag 52 is adjusted to 1.5MPa.In this manufacture method, this first pressure medium can serviceability temperature be adjusted to 180 ℃ nitrogen.From the viewpoint that easily green tire R is heated described later, as this first pressure medium, preferred steam.
By filling first pressure medium, airbag 52 expands.Inner peripheral surface 60 butts of airbag 52 and green tire R.Can make the shape of green tire R neat by this airbag 52.The green tire R of this state is shown in Fig. 3.(step 3) is also referred to as shaping process to this operation.
Close die 50 makes its clamping (step 4) by imposed load.Serviceability temperature is adjusted to 180 ℃～200 ℃ the steam as heat medium, and mould 50 is heated.Heat green tire R (step 5) by this heated mould 50.(in the step 5), when mould 50 is clamped, green tire R is heated in this heating process.
Second pressure medium (the step 6) is further supplied with in inside at airbag 52.The interior pressure of rising airbag 52 by supplying with this second pressure medium.The interior pressure of airbag 52 is adjusted to 2.1MPa～2.4MPa.Thereby the cavity surface 56 that green tire R is pressed to mould 50 by airbag 52 is pressurized.Green tire R is heated simultaneously.(in the step 6), rubber composition flows by pressurization and heating in this pressurization operation.Thereby rubber forms tire 20 because of cross-linking reaction takes place in heating.Obtain the viewpoint of the tire that suitably vulcanized from preventing that temperature due to the adiabatic compression from rising, preferably the temperature of this second pressure medium is lower than the temperature of first pressure medium.In this manufacture method, particularly preferred second pressure medium is the nitrogen of normal temperature.Nitrogen can help the long lifetime of airbag 52.
As previously mentioned, on the cavity surface 56 of this mould 50,, be provided with roughly along the raised line that circumferentially extends in the part of the middle section RC of the tread surface 34 that is equivalent to tire 20.Though not shown, this raised line is absorbed in the tyre surface 22 of this tire 20.Be absorbed in by this and can on tyre surface 22, form ditch 46.
After the pressurization operation, when discharging first pressure medium and second pressure medium from the inside of airbag 52, the load that puts on mould 50 is removed.Pull down the upper die of this mould 50, simultaneously to the inside of airbag 52 using charged air pressure as the 3rd pressure medium.So mould 50 is opened, take out tire 20 (step 7).
In Fig. 5, represented the situation that unloads upper die and take out tire 20 from mould 50.As previously mentioned, unload upper die and fill the 3rd pressure medium to the inside of airbag 52.By this filling airbag 52 is expanded.Airbag 52 after the expansion makes the part of the tyre bead 26 of tire 20 expand to the axial outside.This tire 20 is out of shape to the recessed mode of radially inner side with the part in the equator of its tyre surface 22.Though not shown, by this distortion the raised line of mould 50 is extracted from the ditch 46 of tyre surface 22.In this manufacture method, under the state that raised line has been extracted from ditch 46, tire 20 is taken out from mould 50.Need to prove that what represent with symbol C is the clamping plate of following the expansion of airbag 52 to be moved upward in Fig. 5.These clamping plate C can keep the upside end edge portion of airbag 52.
Do not contact at tire 20 under the situation of raised line it is taken out from mould 50, can prevent effectively that therefore the surface of this tire 20 from being damaged by this raised line.This manufacture method can stably make be difficult to up to now make with mold halves 50, have roughly tire 20 at the middle section RC of tread surface 34 along the ditch 46 that circumferentially extends.This manufacture method helps to make craspedodrome stability and the superior tire 20 of drainage.And this manufacture method, to compare price low with the sheet mould 50 that mould 50 is made of a plurality of parts, therefore can reduce production costs.
As previously mentioned, the parting line of this mould 50 is compared with the equatorial plane and is positioned at the top.But the equatorial portion of tyre surface 22 is recessed, therefore takes out tire 20 from this mould 50 easily.In this manufacture method, no matter comparing with the equatorial plane, the parting line of mould 50 whether is positioned at the top, can both easily take out tire 20, and can not damage tire 20 because of raised line.By this manufacture method, can stably make the superior tire 20 of outward appearance, craspedodrome stability and drainage.Utilize the tire 20 of this manufacture method manufacturing to have high-quality.
In this manufacture method,, be lower than because of filling the interior pressure of the airbag 52 that second pressure medium produced because of filling the interior pressure of the airbag 52 that the 3rd pressure medium produced.Because of fill airbag 52 that the 3rd pressure medium produced in force down in the interior pressure of filling the airbag 52 that first pressure medium produced.Therefore can control the distortion of the tire 20 due to the airbag 52 that is filled with the 3rd pressure medium aptly.In this manufacture method, owing to can suppress to fill the rapid distortion and the special distortion of the tire 20 due to the 3rd pressure medium, therefore can prevent the damage of tire 20 when mould 50 is peeled off tire 20 effectively.From this viewpoint, this interior pressure of filling the airbag 52 due to the 3rd pressure medium is preferably more than the 0.02MPa, and below the 0.10MPa.Should interior pressure be preferably 0.04MPa especially.
In this manufacture method, the temperature of the 3rd pressure medium is lower than the temperature of first pressure medium.The 3rd pressure medium of low temperature can prevent the overvulcanization of tire 20.Can access the tire 20 of suitable sulfuration by this manufacture method.This manufacture method can be made high-quality tire 20.From this viewpoint, as the 3rd pressure medium, the compressed air of preferred normal temperature.In addition, also can use the nitrogen of normal temperature as the 3rd pressure medium.
(embodiment)
Below, by embodiment clear and definite effect of the present invention, but should not explain the present invention according to the record of this embodiment with limiting.
(embodiment 1)
To put in the mould with formation shown in Figure 3 by the green tire that preformed obtains.When shaping process, filled temperature to airbag inside and be adjusted to 200 ℃ steam.Fill by this, the interior pressure of airbag is adjusted to 1.5MPa.After the mould closure, further filled the nitrogen of normal temperature to the inside of airbag.By this filling the interior pressure of airbag is adjusted to 2.1MPa.Green tire is pressurized and heating in this mould.After the pressurization operation, from the inside exhaust steam and the nitrogen of airbag.After the discharge, unload the upper die of this mould, and fill the compressed air of normal temperature, airbag is expanded to the inside of airbag.The interior pressure of airbag is adjusted to 0.04MPa.Take out the tire that possesses formation shown in Figure 1 from this mould.This tire is of a size of 120/70ZR17.Be carved with roughly along the ditch that circumferentially extends at the middle section RC of the tread surface of this tire.The tilt angle alpha of this ditch is 5 °.The carcass of this tire is made of 1 piece of carcass cord.This carcass cord contains the cord that is formed by nylon fiber.This cord is 90 ° with respect to equatorial plane angulation.The la m of belt and outside layer contain the cord that is formed by aramid fibre respectively.This cord is 19 ° with respect to equatorial plane angulation.
(embodiment 2,3 and reference example 1)
Change the tyre tread of tire, make the tilt angle alpha of the ditch of being carved at middle section RC as shown in table 1 below, in addition made tire similarly to Example 1.
(comparative example 1)
The green tire that obtains by preformed is put in the mould that possesses formation shown in Figure 3.When shaping process, filled temperature to the inside of airbag and be adjusted to 200 ℃ steam.Fill by this, the interior pressure of airbag is adjusted to 1.5MPa.After the mould closure, further fill the nitrogen of normal temperature to the inside of airbag.Fill by this, the interior pressure of airbag is adjusted to 2.1MPa.Green tire is pressurized and heating in this mould.After the pressurization operation, from the inside exhaust steam and the nitrogen of airbag.Open mould and take out tire.Be carved with roughly along the ditch that circumferentially extends at the middle section RC of the tread surface of this tire.The tilt angle alpha of this ditch is 45 °.This comparative example 1 is a tire manufacturing method in the past.
(comparative example 2)
Change the tyre tread of tire, make the tilt angle alpha of the ditch that middle section RC carved as shown in table 1 below, in addition similarly made tire with comparative example 1.
(outward appearance observation)
The outward appearance of the tire (100) by the visualization manufacturing.Its result is shown in following table 1.In table 1, the situation note that the surface of not seeing tire is had damage is represented the situation of seeing damage with " G " expression with " NG ".
(stability of keeping straight on)
Tire sets is loaded on standard rim, and the filling air presses to 290kPa in making in this tire.This tire is installed on drum-type running test machine, tire is loaded the load of 1.3kN.This tire is travelled on drum with the speed of 30km/h.Counter-force when having measured the projection of crossing 10 * 10mm.This result is that 100 exponential quantity is shown in following table 1 with comparative example 1.Numerical value is big more superior more.
(drainage)
Tire sets is loaded on standard rim, and the filling air presses to 290kPa in making in this tire.This tire is installed on drum-type running test machine, and tire is loaded the load of 1.3kN.Make this tire be 1 ° and be formed with on the drum of moisture film of 1.0mm and travel determination limit speed in deflecting angle.This result is that 100 exponential quantity is shown in following table 1 with comparative example 1.Numerical value is big more superior more.
Table 1
Table 1 evaluation result
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Reference example 1 | Comparative example 1 | Comparative example 2 | |
| Tilt angle alpha [°] | 5 | 25 | 45 | 65 | 45 | 5 |
| Have or not surface damage | G | G | G | G | N?G | N?G |
| It is stable to keep straight on | 120 | 110 | 100 | 90 | 100 | 120 |
| Drainage | 120 | 110 | 100 | 90 | 100 | 120 |
As shown in table 1, in the manufacture method of embodiment, compare with the manufacture method of comparative example and to have higher rating.According to this evaluation result superiority of the present invention as can be known.
Utilizability on the industry
More than Shuo Ming method can be applicable to the manufacturing of various tires.
Claims (5)
1. tire manufacturing method wherein, comprising:
Obtain the operation of green tire by preformed;
Mould is opened the operation of this green tire being put into this mould, and this mould has upper die and lower mould, thereby and the combination by this upper die and lower mould constitute the cavity surface that forms outer surface of tire with this green tire butt;
Fill the operation of pressure medium to the airbag of the inboard that is positioned at this green tire;
This mould is closed the operation that is incorporated in this mould this green tire pressurization and heating;
Discharge the operation of this pressure medium from this airbag; With
Open this mould and this airbag is filled the operation of other pressure mediums.
2. tire manufacturing method according to claim 1, wherein,
The temperature of described other pressure mediums is lower than the temperature of described pressure medium,
The pressure of these other pressure mediums is lower than the pressure of this pressure medium.
3. tire manufacturing method according to claim 1 and 2, wherein,
Described tire has fetus face, and the outer surface of this fetus face forms tread surface,
Be carved with the ditch that tilts and extend with respect to the equatorial plane in this tread surface,
The angle of inclination of this ditch is more than 5 ° and below 45 °.
4. tire manufacturing method according to claim 3, wherein,
Described ditch is positioned at the middle section of described tread surface.
5. according to any described tire manufacturing method in the claim 1～4, wherein,
Described lower mould have can with the divisional plane of described upper die butt,
This divisional plane is compared with the equator and is positioned at the top.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010145746A JP5016088B2 (en) | 2010-06-28 | 2010-06-28 | Tire manufacturing method |
| JP2010-145746 | 2010-06-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102294772A true CN102294772A (en) | 2011-12-28 |
Family
ID=45355563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101116374A Pending CN102294772A (en) | 2010-06-28 | 2011-04-27 | tire manufacturing method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5016088B2 (en) |
| KR (1) | KR20120001592A (en) |
| CN (1) | CN102294772A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303072A (en) * | 2012-03-16 | 2013-09-18 | 住友橡胶工业株式会社 | Motorcycle tire |
| CN111204006A (en) * | 2020-01-16 | 2020-05-29 | 大成普道新材料技术有限公司 | Production method and application of hollow polydicyclopentadiene product |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5945207B2 (en) * | 2012-10-10 | 2016-07-05 | 株式会社ブリヂストン | Motorcycle tires |
| JP6051058B2 (en) * | 2013-01-22 | 2016-12-21 | 住友ゴム工業株式会社 | Pneumatic tire |
| US11278133B2 (en) | 2020-05-18 | 2022-03-22 | Rm Holdings, L.L.C. | Display support |
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| US4383567A (en) * | 1982-02-05 | 1983-05-17 | The Goodyear Tire & Rubber Company | Pneumatic tractor tire |
| EP0421662A2 (en) * | 1989-09-30 | 1991-04-10 | Sumitomo Rubber Industries Limited | Vulcanisation method for an elastomer product |
| JP2004017345A (en) * | 2002-06-13 | 2004-01-22 | Yokohama Rubber Co Ltd:The | Mold for vulcanizing tire |
| JP2009018445A (en) * | 2007-07-10 | 2009-01-29 | Yokohama Rubber Co Ltd:The | Method of manufacturing pneumatic tire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4713159Y1 (en) * | 1967-12-12 | 1972-05-15 | ||
| JP3370465B2 (en) * | 1994-03-01 | 2003-01-27 | 不二商事株式会社 | Tire removal device and tire removal method |
| JP2007185855A (en) * | 2006-01-13 | 2007-07-26 | Yokohama Rubber Co Ltd:The | Tire vulcanizing method |
| JP5013759B2 (en) * | 2006-06-15 | 2012-08-29 | 株式会社ブリヂストン | Motorcycle tires |
-
2010
- 2010-06-28 JP JP2010145746A patent/JP5016088B2/en active Active
-
2011
- 2011-03-28 KR KR1020110027557A patent/KR20120001592A/en not_active Application Discontinuation
- 2011-04-27 CN CN2011101116374A patent/CN102294772A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4383567A (en) * | 1982-02-05 | 1983-05-17 | The Goodyear Tire & Rubber Company | Pneumatic tractor tire |
| EP0421662A2 (en) * | 1989-09-30 | 1991-04-10 | Sumitomo Rubber Industries Limited | Vulcanisation method for an elastomer product |
| JP2004017345A (en) * | 2002-06-13 | 2004-01-22 | Yokohama Rubber Co Ltd:The | Mold for vulcanizing tire |
| JP2009018445A (en) * | 2007-07-10 | 2009-01-29 | Yokohama Rubber Co Ltd:The | Method of manufacturing pneumatic tire |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303072A (en) * | 2012-03-16 | 2013-09-18 | 住友橡胶工业株式会社 | Motorcycle tire |
| CN103303072B (en) * | 2012-03-16 | 2016-08-24 | 住友橡胶工业株式会社 | Motorcycle tire |
| CN111204006A (en) * | 2020-01-16 | 2020-05-29 | 大成普道新材料技术有限公司 | Production method and application of hollow polydicyclopentadiene product |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012006319A (en) | 2012-01-12 |
| JP5016088B2 (en) | 2012-09-05 |
| KR20120001592A (en) | 2012-01-04 |
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