WO2011024594A1 - タイヤ加硫用モールドの製造方法およびタイヤ加硫用モールド - Google Patents
タイヤ加硫用モールドの製造方法およびタイヤ加硫用モールド Download PDFInfo
- Publication number
- WO2011024594A1 WO2011024594A1 PCT/JP2010/062772 JP2010062772W WO2011024594A1 WO 2011024594 A1 WO2011024594 A1 WO 2011024594A1 JP 2010062772 W JP2010062772 W JP 2010062772W WO 2011024594 A1 WO2011024594 A1 WO 2011024594A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mold
- cylindrical body
- tire
- slit
- molten metal
- Prior art date
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Classifications
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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
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
Definitions
- the present invention relates to a method for manufacturing a tire vulcanization mold and a tire vulcanization mold. More specifically, the present invention relates to a method for manufacturing a tire vulcanization mold in which an exhaust mechanism capable of ensuring sufficient exhaust can be formed with a small number of processing steps. And a tire vulcanization mold.
- the tire vulcanization mold is provided with an exhaust mechanism that discharges air remaining between the green tire and the mold and gas generated during vulcanization to the outside of the mold.
- an exhaust mechanism that discharges air remaining between the green tire and the mold and gas generated during vulcanization to the outside of the mold.
- vent holes have been widely used as exhaust mechanisms.
- rubber flows into the vent holes during vulcanization and spew is generated, various exhaust mechanisms that do not generate spew have been proposed (for example, patents). References 1, 2, and 3).
- Patent Documents 1 and 2 propose an exhaust mechanism in which a laminated blade on which thin plates are stacked is extended to the mold end surface and embedded in the mold. Air or gas is discharged to the outside of the mold through a minute gap between the thin plates of the laminated blade.
- this exhaust mechanism there is a problem that it is difficult to ensure sufficient exhaust because the length of the minute gaps in the laminated plate through which air or gas passes before exhausting to the outside of the mold is increased.
- Patent Document 3 proposes an exhaust mechanism using a laminated blade in which a thin plate is bent to overlap one end and a large gap is secured at the other end in order to ensure sufficient exhaust.
- the laminated blade is held by a block, and an exhaust chamber surrounded by the pocket and the block is formed by fitting the block into a concave pocket on the molding surface of the mold. Air or gas is discharged into the exhaust chamber through a minute gap at one end of the laminated blade and a large gap at the other end.
- this exhaust mechanism requires a step of forming a pocket on the tire molding surface of the cast mold, a step of manufacturing an assembly in which a laminated blade is held on a block, and a step of fitting this assembly into the pocket.
- the number of processing steps increases and the time required for manufacturing becomes long.
- An object of the present invention is to provide a method for manufacturing a tire vulcanization mold and a tire vulcanization mold that can form an exhaust mechanism that can ensure sufficient exhaustion with a small number of processing steps.
- the method for producing a mold for tire vulcanization is a method for producing a tire in which a molten metal is poured onto the surface of a gypsum mold and the molten metal is solidified to produce a mold on which the surface of the gypsum mold is transferred.
- a cylindrical body having a slit for communicating the inside of a cavity with the outside is disposed so that the slit is in contact with the surface of the gypsum mold, and then the molten metal is poured into the surface of the gypsum mold.
- the cylindrical body is embedded in a mold, and the slit is exposed to the tire molding surface of the mold.
- a cylindrical body holding member provided with a groove at both ends of the gypsum mold is disposed, and the cylindrical body is fitted into the groove so that the slit is in contact with the surface of the gypsum mold. It is also possible to arrange the objects.
- a cylindrical body previously filled with a readily disintegratable refractory material is disposed inside the cavity so that the slit is in contact with the surface of the gypsum mold, and after the molten metal has solidified, the easily disintegratable refractory material is It can also be removed from the inside of the cavity of the cylindrical body.
- Another method for manufacturing a tire vulcanization mold according to the present invention is to manufacture a mold for tire vulcanization, in which a molten metal is poured into the surface of a gypsum mold, and a mold in which the surface of the gypsum mold is transferred by solidifying the molten metal.
- a cylindrical body having a hollow interior is disposed so that an outer peripheral surface thereof is in contact with the surface of the gypsum mold, and then the molten metal is poured into the surface of the gypsum mold to embed the cylindrical body in the mold.
- a part of the outer peripheral surface of the cylindrical body is exposed on the tire molding surface of the mold, and a slit is formed by laser processing on a part of the outer peripheral surface of the exposed cylindrical body. is there.
- a cylindrical body holding member provided with grooves at both ends of the gypsum mold is disposed, and the cylindrical body is fitted into the grooves so that the outer peripheral surface thereof is in contact with the surface of the gypsum mold.
- a cylindrical body can also be arranged.
- the tire vulcanization mold of the present invention is a tire vulcanization mold formed by solidifying a molten metal, and has a cylindrical body embedded in the mold when the molten metal is solidified. The slit formed in the outer peripheral surface of the body is exposed on the tire molding surface of the mold.
- a cylindrical body having a slit that communicates the inside of the cavity with the outside is disposed so that the slit is in contact with the surface of the gypsum mold, and then the surface of the gypsum mold
- the cylindrical body is embedded in the mold by pouring molten metal into the mold and solidified, and the slit is exposed to the tire molding surface of the mold, or the cylindrical body having the hollow interior is made of gypsum on the outer peripheral surface.
- the molten metal is poured into the surface of the gypsum mold and solidified by embedding the cylindrical body in the mold, and part of the outer peripheral surface of the cylindrical body is molded tire
- a slit is formed by laser processing on a part of the outer peripheral surface of the exposed cylindrical body so as to be embedded in the mold when the molten metal is solidified.
- the exhaust mechanism in which the slit is exposed on the tire molding surface of the mold can be almost completed in the casting process in which the molten metal is poured into the surface of the gypsum mold and solidified.
- the exhaust mechanism in which the slit is exposed on the tire molding surface of the mold can be almost completed by performing laser processing for forming the slit after the casting process in which the molten metal is poured and solidified.
- the exhaust mechanism can be formed with fewer processing steps than in the prior art.
- the exhaust mechanism formed in the present invention has a slit formed on the outer peripheral surface of the cylindrical body and communicates with the inside of the hollow of the cylindrical body, so that the tire radius of the slit (minute gap) through which air and gas pass Since the direction length can be shortened, it is advantageous to ensure sufficient exhaust.
- FIG. 1 is a plan view illustrating a tire vulcanization mold according to the present invention.
- FIG. 2 is a plan view illustrating the sector of FIG.
- FIG. 3 is a front view of FIG.
- FIG. 4 is a plan view illustrating the left half of the piece of FIG.
- FIG. 5 is a front view of FIG. 6 is a cross-sectional view showing a modification of the cylindrical body
- FIG. 6A shows a cylindrical body having a triangular cross section
- FIG. 6B shows a cylindrical body having a quadrangular cross section.
- FIG. 7 is a plan view illustrating the process of pouring molten metal into the surface of a gypsum mold having a cylindrical body having a slit in the left half portion of the gypsum mold.
- FIG. 8 is an explanatory view showing the process of FIG. 7 in a front view.
- FIG. 9 is an explanatory view showing the process of pouring molten metal into the surface of a gypsum mold in which a cylindrical body having no slit is arranged, as viewed from the front.
- FIG. 10 is an explanatory view showing a step of forming a slit by laser processing on a part of the outer peripheral surface of the cylindrical body exposed on the tire molding surface of the mold in a front view.
- C arrow, R arrow, and W arrow described in the drawings indicate a circumferential direction, a radial direction, and a width direction of a green tire that is inserted into a vulcanization mold and vulcanized.
- a tire vulcanization mold 1 (hereinafter, “mold 1”) of the present invention is a sectional type configured by assembling a plurality of sectors 2 in a ring shape.
- Each sector 2 includes a plurality of pieces 3 and a back block 4 as illustrated in FIGS. 2 and 3, and is attached to the back block 4 in a state where adjacent pieces 3 are in close contact with each other.
- the inner peripheral surface of each piece 3 is a tire molding surface 5.
- the tire molding surface 5 is appropriately provided with a groove molding protrusion 6 for forming a tire groove.
- four rectangular pieces 3 are fixed to one sector 2 in plan view.
- the number of pieces 3 included in one sector 2 may be plural, and the arrangement thereof is not limited to this embodiment.
- the piece 3 is formed by solidifying a molten metal M obtained by melting a metal material such as aluminum or an aluminum alloy, and a cylinder embedded when the molten metal M is solidified as illustrated in FIGS.
- a state body 7 is provided.
- the cylindrical body 7 extends from one end surface of the piece 3 to the other end surface, and both ends of the cylindrical body 7 are open at both end surfaces in the tire circumferential direction of the piece 3.
- a metal material having a melting point higher than that of the molten metal M is used for the cylindrical body 7.
- a tubular body 7 made of steel such as stainless steel is used.
- a thin plate is bent and one end portion is overlapped to form a slit 8 having a minute gap S between the stacked thin plates, and the other end portion is formed into an elliptical hollow interior 7a. It has a shape having.
- the slit 8 that communicates the hollow interior 7 a with the outside is formed on the outer peripheral surface of the cylindrical body 7 over the entire length of the cylindrical body 7 (tire circumferential direction), and is exposed to the tire molding surface 5 of the piece 3. ing.
- the minute gap S of the slit 8 is about 0.01 mm to 0.10 mm, and more preferably about 0.04 mm.
- the length in the tire radial direction of the slit 8 (the minute gap S) through which air or gas passes can be shortened.
- the length of the slit 8 in the tire radial direction is about 1 mm to 5 mm, more preferably about 2 mm. Since air and gas that have passed through the slit 8 are discharged into the cavity interior 7a that is much wider than the slit 8, sufficient exhaust can be ensured.
- the slit 8 is provided in a place where air and gas are easily collected when the green tire is vulcanized.
- the cylindrical body 7 is embedded in the piece 3 (mold 1) so that the slit 8 is disposed in the vicinity of the root portion of the groove forming protrusion 6.
- the slits 8 may be provided by embedding the cylindrical body 7 in all the pieces 3 constituting the mold 1, and the cylindrical body is provided only on the specific piece 3. 7 may be embedded to provide the slit 8.
- the cylindrical body 7 is not limited to a cylindrical shape, but crosses a cylindrical body 7 having a square cross-sectional shape as illustrated in FIG. 6A and a triangular shape as illustrated in FIG. 6B and other polygons.
- Various cylindrical bodies 7 having a planar shape can be employed.
- the width of the hollow interior 7a of the cylindrical body 7 is, for example, 20 times or more the minute gap of the slit 8 in order to ensure sufficient exhaust.
- the size of the hollow interior 7a of the cylindrical body 7 is, for example, about 0.5 mm to 5.0 mm corresponding to the inner diameter.
- the cylindrical body 7 is arranged so that the slit 8 is in contact with the surface 11a of the gypsum mold 11.
- the surface 11 a of the plaster mold 11 corresponds to the tire molding surface 5 of the piece 3, and the recess 11 b of the plaster mold 11 corresponds to the groove forming protrusion 6 of the piece 3. Since the surface 11a of the plaster mold 11 has an arc shape in the tire circumferential direction, the cylindrical body 7 may be bent in an arc shape along the arc-shaped surface 11a of the plaster mold 11. If the length of one gypsum mold 11 in the tire circumferential direction is short and the surface 11a is substantially flat in the tire circumferential direction, a linear tubular body 7 can be used.
- a cylindrical body holding member 9 provided with holding grooves 9a is disposed at both ends of the gypsum mold 11 in the tire circumferential direction.
- Frame members 10 are arranged at both ends in the tire width direction of the plaster mold 11, and the four side surfaces of the plaster mold 11 are surrounded by the cylindrical body holding member 9 and the frame member 10.
- the cylindrical body 7 is arrange
- the cylindrical body 7 can be accurately and stably disposed at a predetermined position of the gypsum mold 11. Further, by adjusting the width of the holding groove 9 a of the cylindrical body holding member 9, the minute gap of the slit 8 can be adjusted.
- the hollow interior 7a of the cylindrical body 7 may be filled with the easily disintegratable refractory material P. Since the openings at both ends of the cylindrical body 7 are closed by the cylindrical body holding member 9, the easily disintegratable refractory material P can be filled without leaking.
- the easily disintegratable refractory material P is a material that is easily dissolved in a fluid such as water or that is easily disintegrated by impact and has fire resistance.
- Examples of the easily disintegratable refractory material P include gypsum.
- the molten metal M is poured into the surface 11a of the gypsum mold 11, and the molten metal M is solidified, whereby the piece 3 on which the surface 11a of the gypsum mold 11 is transferred is manufactured. Since the cylindrical body 7 is arranged so that the slit 8 is in contact with the surface 11 a of the plaster mold 11, the cylindrical body 7 is embedded in the piece 3 and the slit 8 is exposed to the tire molding surface 5 of the piece 3. Become. The part which protrudes from the piece 3 of the cylindrical body 7 is cut
- the easily disintegratable refractory material P filled in the hollow interior 7a of the cylindrical body 7 is removed.
- the easily disintegratable refractory material P can be removed from the hollow interior 7a by spraying water on the easily disintegratable refractory material P or by bumping it with a rod-shaped body.
- the easily disintegratable refractory material P is filled in the cavity interior 7 a in advance and the molten metal M is poured into the surface 11 a of the gypsum mold 11, the molten metal M flows into the cavity interior 7 a and the minute gap S of the slit 8. Can be reliably prevented. For this reason, the molten metal M does not solidify in the cavity interior 7a or the slit 8, so that it is not necessary to remove the solidified metal material.
- the molten metal M flows into the hollow interior 7a or the slit 8 of the cylindrical body 7, the molten metal M is applied to the surface 11a of the gypsum mold 11 without filling the hollow interior 7a of the cylindrical body 7. M can be poured.
- the exhaust mechanism in which the slit 8 is exposed on the tire molding surface 5 of the piece 3 constituting the mold 1 is substantially completed. be able to.
- An exhaust mechanism capable of securing sufficient exhaust in a short time without passing through a number of processing steps as compared with the prior art can be obtained.
- FIG. 9 and FIG. 10 illustrate another embodiment for manufacturing the piece 3.
- the point which uses the cylindrical body 7 which does not have the slit 8 differs greatly from previous embodiment.
- the cylindrical body 7 is arranged so that the outer peripheral surface is in contact with the surface 11 a of the gypsum mold 11.
- the cylindrical body 7 may be bent in an arc shape along the surface 11a of the gypsum mold 11 that is arc-shaped in the tire circumferential direction.
- the outer peripheral surface of the gypsum mold 11 is made of gypsum by fitting both end portions of the cylindrical body 7 into the holding grooves 9a of the cylindrical body holding member 9 arranged at both ends of the gypsum mold 11 in the tire circumferential direction.
- the cylindrical body 7 may be disposed so as to contact the surface 11a of the mold 11.
- the molten metal M is poured into the surface 11a of the gypsum mold 11 and the molten metal M is solidified, whereby the piece 3 to which the surface 11a of the gypsum mold 11 is transferred is manufactured. Since the cylindrical body 7 is arranged so that the outer peripheral surface is in contact with the surface 11 a of the plaster mold 11, the cylindrical body 7 is embedded in the piece 3 and a part of the outer peripheral surface is exposed to the tire molding surface 5 of the piece 3. It will be in the state. The part which protrudes from the piece 3 of the cylindrical body 7 is cut
- a part of the outer peripheral surface of the cylindrical body 7 exposed on the tire molding surface 5 of the piece 3 is irradiated with laser light from the laser processing machine 12, so that the peripheral wall of the cylindrical body 7.
- a slit 8 penetrating 7b is formed.
- the specification of the slit 8 is the same as in the previous embodiment.
- the piece 3 constituting the mold 1 is formed by performing laser processing for forming the slit 8 in the cylindrical body 7 after the casting process in which the molten metal M is poured into the surface 11a of the gypsum mold 11 and solidified.
- the exhaust mechanism in which the slit 8 is exposed on the tire molding surface 5 can be substantially completed. An exhaust mechanism capable of securing sufficient exhaust in a short time without passing through a number of processing steps as compared with the prior art can be obtained.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
Description
2 セクター
3 ピース
4 バックブロック
5 タイヤ成形面
6 溝成形突起
7 筒状体
7a 空洞内部
7b 周壁
8 スリット
9 筒状体保持部材
9a 保持溝
10 枠部材
11 石膏鋳型
11a 表面
11b 凹部
12 レーザ加工機
P 易崩壊性耐火材料
M 溶融金属
Claims (6)
- 石膏鋳型の表面に溶融金属を流し込み、この溶融金属を固化させることにより石膏鋳型の表面を転写したモールドを製造するタイヤ加硫用モールドの製造方法において、空洞内部を外部に連通させるスリットを有する筒状体を、そのスリットが前記石膏鋳型の表面に接するように配置した後、この石膏鋳型の表面に前記溶融金属を流し込んで前記筒状体をモールドに埋設するとともに、前記スリットをモールドのタイヤ成形面に露出させるようにしたタイヤ加硫用モールドの製造方法。
- 前記石膏鋳型の両端部に溝を設けた筒状体保持部材を配置し、前記溝に前記筒状体を嵌合することにより、そのスリットが前記石膏鋳型の表面に接するように筒状体を配置するようにした請求項1に記載のタイヤ加硫用モールドの製造方法。
- 前記空洞内部に、予め易崩壊性耐火材料を充填した筒状体を、そのスリットが前記石膏鋳型の表面に接するように配置し、前記溶融金属が固化した後に、前記易崩壊性耐火材料を前記筒状体の空洞内部から除去する請求項1または2に記載のタイヤ加硫用モールドの製造方法。
- 石膏鋳型の表面に溶融金属を流し込み、この溶融金属を固化させることにより石膏鋳型の表面を転写したモールドを製造するタイヤ加硫用モールドの製造方法において、空洞内部を有する筒状体を、その外周面が石膏鋳型の表面に接するように配置した後、この石膏鋳型の表面に前記溶融金属を流し込んで前記筒状体をモールドに埋設するとともに、この筒状体の外周面の一部をモールドのタイヤ成形面に露出させ、この露出させた筒状体の外周面の一部に、レーザ加工によりスリットを形成するタイヤ加硫用モールドの製造方法。
- 前記石膏鋳型の両端部に溝を設けた筒状体保持部材を配置し、前記溝に前記筒状体を嵌合することにより、その外周面が前記石膏鋳型の表面に接するように筒状体を配置するようにした請求項4に記載のタイヤ加硫用モールドの製造方法。
- 溶融金属を固化させることにより形成されたタイヤ加硫用モールドにおいて、前記溶融金属を固化させる際にモールドに埋設された筒状体を有し、この筒状体の外周面に形成されたスリットがモールドのタイヤ成形面に露出しているタイヤ加硫用モールド。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800368422A CN102481707B (zh) | 2009-08-26 | 2010-07-29 | 轮胎硫化用模具的制造方法以及轮胎硫化用模具 |
KR1020127006624A KR101345134B1 (ko) | 2009-08-26 | 2010-07-29 | 타이어 가류용 몰드의 제조 방법 및 타이어 가류용 몰드 |
DE112010003240T DE112010003240T5 (de) | 2009-08-26 | 2010-07-29 | Verfahren zur Herstellung einer Reifenvulkanisationsform und Reifenvulkanisationsform |
US13/391,537 US8568120B2 (en) | 2009-08-26 | 2010-07-29 | Tire vulcanization mold manufacturing method and tire vulcanization mold |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2009195894A JP4683146B2 (ja) | 2009-08-26 | 2009-08-26 | タイヤ加硫用モールドの製造方法およびタイヤ加硫用モールド |
JP2009-195894 | 2009-08-26 |
Publications (1)
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WO2011024594A1 true WO2011024594A1 (ja) | 2011-03-03 |
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ID=43627704
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PCT/JP2010/062772 WO2011024594A1 (ja) | 2009-08-26 | 2010-07-29 | タイヤ加硫用モールドの製造方法およびタイヤ加硫用モールド |
Country Status (6)
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US (1) | US8568120B2 (ja) |
JP (1) | JP4683146B2 (ja) |
KR (1) | KR101345134B1 (ja) |
CN (1) | CN102481707B (ja) |
DE (1) | DE112010003240T5 (ja) |
WO (1) | WO2011024594A1 (ja) |
Families Citing this family (9)
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JP5499929B2 (ja) * | 2010-06-17 | 2014-05-21 | 横浜ゴム株式会社 | タイヤ加硫用モールドの製造方法およびタイヤ加硫用モールド |
JP5041087B1 (ja) * | 2011-04-14 | 2012-10-03 | 横浜ゴム株式会社 | タイヤ加硫用モールドの製造方法およびタイヤ加硫用モールド |
US8714953B2 (en) | 2011-04-14 | 2014-05-06 | The Yokohama Rubber Co., Ltd. | Method of manufacturing mold for tire vulcanization and mold for tire vulcanization |
JP5104974B2 (ja) * | 2011-04-14 | 2012-12-19 | 横浜ゴム株式会社 | タイヤ加硫用モールドの製造方法 |
CN103476563B (zh) | 2011-04-14 | 2014-10-29 | 横滨橡胶株式会社 | 轮胎硫化用模具的制造方法和轮胎硫化用模具 |
JP5866863B2 (ja) * | 2011-08-23 | 2016-02-24 | 横浜ゴム株式会社 | タイヤ加硫用モールドの製造方法 |
JP5263415B1 (ja) | 2012-02-03 | 2013-08-14 | 横浜ゴム株式会社 | タイヤ加硫用モールドおよびその製造方法 |
EP2832304A4 (en) | 2012-03-29 | 2015-11-11 | Hitachi Medical Corp | BIOLOGICAL LIGHT MEASURING DEVICE, BIOLOGICAL LIGHT MEASURING METHOD, AND INSERTION ELEMENT FOR MOBILE POSITION SENSOR |
JP6091996B2 (ja) * | 2013-05-20 | 2017-03-08 | 株式会社ブリヂストン | タイヤ成型用金型の製造方法 |
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EP1557250B1 (en) * | 2002-11-01 | 2013-02-13 | Kabushiki Kaisha Bridgestone | Method for producing tire vulcanizing mold |
JP3943486B2 (ja) * | 2002-11-29 | 2007-07-11 | 日本碍子株式会社 | タイヤ金型の製造方法 |
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2009
- 2009-08-26 JP JP2009195894A patent/JP4683146B2/ja not_active Expired - Fee Related
-
2010
- 2010-07-29 CN CN2010800368422A patent/CN102481707B/zh not_active Expired - Fee Related
- 2010-07-29 WO PCT/JP2010/062772 patent/WO2011024594A1/ja active Application Filing
- 2010-07-29 US US13/391,537 patent/US8568120B2/en not_active Expired - Fee Related
- 2010-07-29 DE DE112010003240T patent/DE112010003240T5/de not_active Withdrawn
- 2010-07-29 KR KR1020127006624A patent/KR101345134B1/ko not_active IP Right Cessation
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JPH0214109A (ja) * | 1988-07-01 | 1990-01-18 | Bridgestone Corp | タイヤ加硫用モールドのリブ部に通気孔を形成する方法 |
JPH08141699A (ja) * | 1994-11-22 | 1996-06-04 | Daido Steel Co Ltd | マニホールドの製造方法 |
JPH08323771A (ja) * | 1995-06-02 | 1996-12-10 | Toyo Tire & Rubber Co Ltd | タイヤ成形用金型 |
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JP2008260135A (ja) * | 2007-04-10 | 2008-10-30 | Toyo Tire & Rubber Co Ltd | タイヤ成形型 |
Also Published As
Publication number | Publication date |
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US8568120B2 (en) | 2013-10-29 |
DE112010003240T5 (de) | 2012-08-16 |
JP2011046072A (ja) | 2011-03-10 |
CN102481707B (zh) | 2013-05-08 |
JP4683146B2 (ja) | 2011-05-11 |
US20120148696A1 (en) | 2012-06-14 |
KR20120046772A (ko) | 2012-05-10 |
KR101345134B1 (ko) | 2013-12-26 |
CN102481707A (zh) | 2012-05-30 |
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