WO2013065102A1 - 円環状部材成型方法及び円環状部材成型装置 - Google Patents
円環状部材成型方法及び円環状部材成型装置 Download PDFInfo
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- WO2013065102A1 WO2013065102A1 PCT/JP2011/075083 JP2011075083W WO2013065102A1 WO 2013065102 A1 WO2013065102 A1 WO 2013065102A1 JP 2011075083 W JP2011075083 W JP 2011075083W WO 2013065102 A1 WO2013065102 A1 WO 2013065102A1
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- Prior art keywords
- molding
- peripheral portion
- rubber
- annular member
- inner peripheral
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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
- B29D99/00—Subject matter not provided for in other groups of this subclass
- B29D99/0082—Producing articles in the form of closed loops, e.g. rings
-
- 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)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/131—Curved articles
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
- B29C48/155—Partial coating thereof
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/266—Means for allowing relative movements between the apparatus parts, e.g. for twisting the extruded article or for moving the die along a surface to be coated
-
- 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)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
- B29D2030/482—Applying fillers or apexes to bead cores
-
- 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)
- B29D30/48—Bead-rings or bead-cores; Treatment thereof prior to building the tyre
- B29D2030/487—Forming devices for manufacturing the beads
Definitions
- the present invention relates to an annular member molding method and an annular member molding apparatus for molding an annular member including a thick inner peripheral portion and a thin outer peripheral portion.
- a bead member which is one of tire constituent members, has an annular bead filler made of hard rubber having a triangular cross section and a bead core made of a convergent body such as a rubber-coated steel wire.
- the bead member is manufactured, for example, by supplying a bead filler extruded in a band shape through a die by an extruder to a bead core formed in an annular shape in advance, and bonding the bead filler to the outer periphery of the bead core (the following patent document) 1).
- the bead filler is cut into a predetermined length, and then its ends are bonded together to form an annular shape.
- a method of forming a bead filler having a predetermined cross-sectional shape with a die constituent member and a molding surface of the die auxiliary device while extruding a cylindrical elastic material to the outer peripheral surface side of a bead grommet (bead core) provided on the molding surface of the die auxiliary device Is described. That is, in the molding method of Patent Document 2, a bead filler having a predetermined cross-sectional shape is formed by stretching a rubber-like elastic material through a gap formed between a die component member and a die auxiliary device molding surface. Yes.
- some bead fillers have a cross-sectional shape that is long in the radial direction and whose outer peripheral portion is particularly thinner than the inner peripheral portion.
- the gap between the die constituent member and the molding surface of the die auxiliary device is used to mold the thin outer peripheral portion. It is necessary to make it particularly narrow on the outer peripheral side.
- the rubber-like elastic material hardly flows into this narrow gap, and instead, the rubber-like elastic material flows into the thick inner peripheral portion. As a result, it becomes difficult to form the thin outer peripheral portion, and the predetermined cross section It becomes difficult to form a bead filler having a shape.
- the present invention has been made in view of the above situation, and even an annular member including a thick inner peripheral portion and a thin outer peripheral portion can be accurately molded into a predetermined cross-sectional shape.
- An annular member molding method and an annular member molding device are provided.
- an annular member molding method includes: An annular member molding method for molding an annular member including a thick inner peripheral portion and a thin outer peripheral portion, While rotating the molding table, the first extruder pushes rubber through the first die having the same cross-sectional shape opening as the inner peripheral portion on the molding table to form an annular shape, and the inner peripheral portion is molded. And a process of While rotating the molding table, a rubber is extruded on the molding table through a second die having an opening having the same cross-sectional shape as the outer peripheral portion by a second extruder, and the outer peripheral portion is molded. And a process.
- a thick inner peripheral part can be extrusion-molded by a 1st extruder, and a thin outer peripheral part can be extrusion-molded by a 2nd extruder.
- the first extruder extrudes rubber onto a molding table via a first die having an opening having the same cross-sectional shape as the inner peripheral portion
- the second extruder has an opening having the same cross-sectional shape as the outer peripheral portion. Since the rubber is extruded onto the molding table via the second base, each of the inner peripheral portion and the outer peripheral portion can be accurately molded even if the thickness is greatly different.
- the outer peripheral portion is thin, it is extruded through a second die having an opening having the same cross-sectional shape as the outer peripheral portion, so that it can be accurately molded into a predetermined cross-sectional shape.
- the annular member molding method of the present invention even an annular member including a thick inner peripheral portion and a thin outer peripheral portion can be accurately molded into a predetermined cross-sectional shape.
- either the step of molding the inner peripheral portion or the step of molding the outer peripheral portion may be performed first or simultaneously. Moreover, you may start the other process in the middle of one process.
- the annular member is a bead filler, and the inner peripheral portion is molded on an outer peripheral side of a bead core disposed on the molding table, and the outer peripheral portion is It is preferable to mold on the outer peripheral side of the molded inner peripheral portion.
- the bead core that serves as a reference for molding the inner peripheral portion is arranged on the molding table in advance, the inner peripheral portion can be easily molded, and also when the outer peripheral portion is molded, Since there is an inner peripheral part already molded on the table, it is easy to mold the outer peripheral part.
- the first extruder in the step of molding the inner peripheral portion, the first extruder is brought close to the molding surface of the molding table being stopped, and the extruded rubber is attached to the molding surface.
- the rubber starts to be applied to the molding surface, and after the rubber starts to be applied to the molding surface, the rubber extrusion speed is gradually accelerated to a certain speed.
- the rubber extrusion speed may be gradually reduced from the certain speed. preferable.
- the inner peripheral portion While rotating the molding table, the inner peripheral portion is molded by extruding rubber onto the molding table with a first extruder to form an annular shape.
- the inner peripheral part is thick, and unless it is accurately cut to a predetermined length, a step is likely to occur at the joint between the ends.
- the first extruder in the step of molding the inner peripheral portion, the first extruder is brought close to the molding surface of the molding table being stopped, and the extruded rubber is attached to the molding surface and at the same time, the molding table starts rotating.
- the rubber extrusion speed is gradually accelerated, and the first extruder is gradually separated from the molding surface by a certain distance so that the rubber thickness gradually increases. It can prevent that the 1st extruder and the rubber affixed on the molding surface contact.
- an annular member molding apparatus includes: An annular member molding apparatus for molding an annular member including a thick inner peripheral portion and a thin outer peripheral portion, A rotatable molding table, On a rotating molding table, a first extruder for extruding rubber through a first die having an opening having the same cross-sectional shape as the inner peripheral portion, and molding the inner peripheral portion; And a second extruder for extruding rubber through a second die having an opening having the same cross-sectional shape as the outer peripheral portion on a rotating molding table, and molding the outer peripheral portion.
- annular member molding apparatus with such a configuration is as described above, and even an annular member including a thick inner peripheral portion and a thin outer peripheral portion can be accurately formed into a predetermined cross-sectional shape. Can be molded.
- FIG. 1 is an external perspective view showing a schematic configuration of an annular member molding apparatus according to the present invention.
- FIG. 2 is a plan view of the annular member forming apparatus of FIG. 1 as viewed from above.
- FIG. 3 is a perspective view showing the bead member partially broken.
- FIG. 4 is a cross-sectional view of the bead filler.
- the annular member is a bead filler 11
- the bead filler 11 is arranged on the outer peripheral side of the bead core 12 and constitutes the bead member 10 together with the bead core 12.
- the cross-sectional shape of the bead filler 11 is such that the inner peripheral portion 11a is substantially triangular and the outer peripheral portion 11b is rectangular with a substantially constant thickness. Moreover, the outer peripheral end has a tapered shape.
- the bead filler 11 is divided into an inner peripheral portion 11a and an outer peripheral portion 11b, and each is molded.
- the inner peripheral portion 11a is made of rubber R1
- the outer peripheral portion 11b is made of rubber R2.
- the rubber R1 and the rubber R2 may be the same or different.
- the annular member molding apparatus includes a rotatable molding table 20, a first extruder 30, and a second extruder 40.
- the molding table 20 has a substantially disk shape, and can rotate around the rotation shaft 21 as indicated by an arrow in FIG.
- the rotary shaft 21 is connected to the tip of a support shaft 23 that extends upward from the support base 22.
- the molding table 20 can be rotationally driven by a motor (not shown), and the rotational speed of the molding table 20 can be freely controlled by controlling the rotational speed of the motor. Note that the rotation direction of the molding table 20 is not limited to the direction shown in the drawing.
- the first extruder 30 and the second extruder 40 are arranged in the horizontal direction in this embodiment. Further, the first extruder 30 and the second extruder 40 are provided at positions facing each other with the rotating shaft 21 of the molding table 20 in between. That is, in the present embodiment, the first extruder 30 and the second extruder 40 are provided at positions shifted by 180 degrees around the rotation shaft 21, but they are provided at positions shifted by 90 degrees, for example. If the first extruder 30 and the second extruder 40 do not interfere with each other, they may be arranged closer to each other.
- the second extruder 40 is provided at a position farther from the rotary shaft 21 than the first extruder 30. Therefore, the inner peripheral portion 11 a of the bead filler 11 can be extruded by the first extruder 30, and the outer peripheral portion 11 b of the bead filler 11 can be extruded by the second extruder 40.
- the first extruder 30 and the second extruder 40 can be moved forward or backward with respect to the molding table 20 by an extruder driving means (not shown).
- the extruder driving means is controlled by a control device, and can control the timing of forward or backward movement and the driving distance.
- the first extruder 30 and the second extruder 40 have known configurations and will not be described in detail, but mainly a hopper into which the rubber material is charged and a screw that is fed forward while applying heat to the rubber material. And a cylindrical barrel containing the screw and a drive device for driving the screw. The drive and rotation speed of the screw are controlled by a control device, and the rubber extrusion speed can be controlled.
- the first extruder 30 includes a first base 31 at the tip.
- the second extruder 40 includes a second base 41 at the tip.
- the bases 31 and 41 are extruded with rubber R1 and R2 from an opening formed on the front surface thereof.
- the opening of the first base 31 has a shape corresponding to the cross-sectional shape of the inner peripheral portion 11 a of the bead filler 11.
- the opening of the second base 41 has a shape corresponding to the cross-sectional shape of the outer peripheral portion 11 b of the bead filler 11.
- the rubber R1 has substantially the same cross-sectional shape as that of the inner peripheral portion 11a and is directly extruded from the first extruder 30, so that the temperature is high and the viscosity is low. Therefore, even if the annular inner peripheral portion 11a is molded with the rubber R1, the tension generated by the difference between the inner and outer periphery is small. The same applies to the outer peripheral portion 11b molded by the rubber R2.
- FIG. 6 schematically shows a process of molding the bead filler 11.
- the rubber R1 is extruded onto the molding table 20 through the first die 31 by the first extruder 30 to form an annular shape.
- the part 11a is molded.
- the rubber R2 is extruded onto the molding table 20 through the second base 41 by the second extruder 40 to form an annular shape.
- 11b is molded.
- the outer peripheral part 11b is molded so that the inner peripheral side of the outer peripheral part 11b is slightly overlapped with the outer peripheral side of the inner peripheral part 11a (see FIG. 5), and the outer peripheral part 11b and the inner peripheral part 11a are securely joined. To do.
- the bead filler 11 including the thick inner peripheral portion 11a and the thin outer peripheral portion 11b can be accurately molded into a predetermined cross-sectional shape.
- the timing of starting the molding of the outer peripheral portion 11b may be after the molding table 20 makes one round and the inner peripheral portion 11a is completely molded, but in this embodiment, the rubber R1 on the rotating molding table 20 is rotated. What is necessary is just after the front-end
- the tip of the base 31 is preferably configured to be inclined with respect to the molding surface 20a of the molding table 20 so as to correspond to the cross-sectional shape of the inner peripheral portion 11a to be molded. Thereby, the curvature of the front-end
- the tip of the base 31 corresponds to the cross-sectional shape of the inner peripheral portion 11 a by configuring the molding table 20 to be inclined at a predetermined angle with respect to the first extruder 30. As described above, it may be inclined with respect to the molding surface 20 a of the molding table 20. Further, as shown in FIG. 8, the first extruder 30 is configured to be inclined at a predetermined angle with respect to the molding table 20, so that the tip of the base 31 is in relation to the molding surface 20 a of the molding table 20. You may comprise so that it may incline.
- FIG. 9 is an explanatory diagram for explaining the details of the molding process of the inner peripheral portion 11 a, and shows an enlarged front end portion of the first extruder 30.
- the left-right direction in FIG. 9 is the rotation direction of the molding table 20.
- the extruder 30 in the standby state is advanced with respect to the molding table 20, and the die 31 is brought close to the molding surface 20a of the molding table 20. At this time, the molding table 20 has not yet rotated.
- extrusion of the rubber R1 is started by the extruder 30.
- the rubber R1 extruded from the extruder 30 can be started to be stuck on the molding table 20.
- the molding table 20 starts rotating as shown in FIG. 9B, and the extrusion speed of the rubber R1 from the base 31 is gradually increased.
- the base 31 starts to be retracted, and the base 31 is gradually separated from the molding table 20. Thereby, the thickness of the rubber R1 attached to the molding surface of the molding table 20 gradually increases.
- the retraction of the base 31 and the acceleration of the extrusion speed are continued as shown in FIGS. 9C and 9D, and the rubber R1 has the desired thickness.
- the retraction of the base 31 is stopped and the extrusion speed is also constant.
- the rubber R1 sticking start position has an inclined surface as shown in the figure, and thereafter the thickness of the rubber R1 becomes constant.
- the base 31 approaches the application start position as shown in FIG. 9E while applying the rubber R1 with a constant thickness, the extrusion speed is gradually reduced.
- the rubber R1 at the attachment end position also becomes an inclined surface so as to correspond to the inclined surface at the application start position, and the inner peripheral portion 11a having no step is formed at the joint portion. Can do.
- annular member molding method and the annular member molding apparatus of the present invention can also be used for molding an annular member other than the bead filler described above.
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Abstract
Description
厚肉の内周部分と薄肉の外周部分とを含む円環状部材を成型するための円環状部材成型方法であって、
成型テーブルを回転させながら、成型テーブル上に第1の押出機により前記内周部分と同じ断面形状の開口を有する第1の口金を介してゴムを押し出して円環状とし、前記内周部分を成型する工程と、
前記成型テーブルを回転させながら、成型テーブル上に第2の押出機により前記外周部分と同じ断面形状の開口を有する第2の口金を介してゴムを押し出して円環状とし、前記外周部分を成型する工程と、を備えることを特徴とする。
厚肉の内周部分と薄肉の外周部分とを含む円環状部材を成型するための円環状部材成型装置であって、
回転自在の成型テーブルと、
回転する成型テーブル上に、前記内周部分と同じ断面形状の開口を有する第1の口金を介してゴムを押し出し、前記内周部分を成型する第1の押出機と、
回転する成型テーブル上に、前記外周部分と同じ断面形状の開口を有する第2の口金を介してゴムを押し出し、前記外周部分を成型する第2の押出機と、を備えることを特徴とする。
以下、本発明の実施の形態について図面を参照しながら説明する。図1は、本発明に係る円環状部材成型装置の概略構成を示す外観斜視図である。また、図2は、図1の円環状部材成型装置を上方から見た平面図である。図3は、ビード部材を一部破断させて示した斜視図である。図4は、ビードフィラーの断面図である。
ビードフィラー11の成型方法について説明する。図6に、ビードフィラー11を成型する工程を概略的に示す。まず、図6(a)のように、成型テーブル20を回転させながら、成型テーブル20上に第1の押出機30により第1の口金31を介してゴムR1を押し出して円環状とし、内周部分11aを成型する。このとき、図6では示していないが、成型テーブル20上に予め円環状のビードコア12を配置しておき、ビードコア12の外周側に内周部分11aを成型するようにすることが好ましい。
本発明の円環状部材成型方法及び円環状部材成型装置は、上記で説明したビードフィラー以外の円環状部材の成型にも用いることができる。
11 ビードフィラー
11a 内周部分
11b 外周部分
12 ビードコア
20 成型テーブル
30 第1の押出機
31 第1の口金
40 第2の押出機
41 第2の口金
R1 ゴム
R2 ゴム
Claims (4)
- 厚肉の内周部分と薄肉の外周部分とを含む円環状部材を成型するための円環状部材成型方法であって、
成型テーブルを回転させながら、成型テーブル上に第1の押出機により前記内周部分と同じ断面形状の開口を有する第1の口金を介してゴムを押し出して円環状とし、前記内周部分を成型する工程と、
前記成型テーブルを回転させながら、成型テーブル上に第2の押出機により前記外周部分と同じ断面形状の開口を有する第2の口金を介してゴムを押し出して円環状とし、前記外周部分を成型する工程と、を備える円環状部材成型方法。 - 前記円環状部材は、ビードフィラーであって、前記内周部分は、前記成型テーブル上に配置されているビードコアの外周側に成型され、前記外周部分は、成型された前記内周部分の外周側に成型されることを特徴とする請求項1の円環状部材成型方法。
- 前記内周部分を成型する工程において、
前記第1の押出機を停止中の前記成型テーブルの成型面に近接させ、
押し出したゴムを前記成型面に付着させると同時に前記成型テーブルの回転を開始させることで、ゴムの前記成型面への貼り付けを開始し、
ゴムの前記成型面への貼り付け開始後、ゴムの押出速度を一定速度まで徐々に加速させるとともに、前記第1の押出機を前記成型面から一定距離まで徐々に離隔させ、
ゴムの前記成型面への貼り付け終了直前には、ゴムの押出速度を一定速度から徐々に減速させることを特徴とする請求項1に記載の円環状部材成型方法。 - 厚肉の内周部分と薄肉の外周部分とを含む円環状部材を成型するための円環状部材成型装置であって、
回転自在の成型テーブルと、
回転する成型テーブル上に、前記内周部分と同じ断面形状の開口を有する第1の口金を介してゴムを押し出し、前記内周部分を成型する第1の押出機と、
回転する成型テーブル上に、前記外周部分と同じ断面形状の開口を有する第2の口金を介してゴムを押し出し、前記外周部分を成型する第2の押出機と、を備える円環状部材成型装置。
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US14/350,399 US9694552B2 (en) | 2011-10-31 | 2011-10-31 | Method for molding annular member and apparatus for molding annular member |
CN201180073624.0A CN103813899B (zh) | 2011-10-31 | 2011-10-31 | 圆环状构件成型方法及圆环状构件成型装置 |
PCT/JP2011/075083 WO2013065102A1 (ja) | 2011-10-31 | 2011-10-31 | 円環状部材成型方法及び円環状部材成型装置 |
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JP6242460B1 (ja) * | 2016-10-28 | 2017-12-06 | 中田エンヂニアリング株式会社 | ビードエーペックスゴム形成方法、及びビードエーペックスゴム形成装置 |
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JP6695687B2 (ja) * | 2015-12-07 | 2020-05-20 | Toyo Tire株式会社 | ビード部材製造方法 |
JP6590028B1 (ja) * | 2018-06-11 | 2019-10-16 | 横浜ゴム株式会社 | ゴムシート部材の接合装置および方法 |
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JP6242460B1 (ja) * | 2016-10-28 | 2017-12-06 | 中田エンヂニアリング株式会社 | ビードエーペックスゴム形成方法、及びビードエーペックスゴム形成装置 |
WO2018079313A1 (ja) * | 2016-10-28 | 2018-05-03 | 中田エンヂニアリング株式会社 | ビードエーペックスゴムの形成方法、及び形成装置 |
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EP3517287A4 (en) * | 2016-10-28 | 2020-05-27 | Nakata Engineering Co., Ltd. | FORMING METHOD AND RUBBER FORMING DEVICE FOR HEEL TOP |
CN109890602B (zh) * | 2016-10-28 | 2021-05-04 | 日本中田工程株式会社 | 胎圈三角胶的形成方法以及形成装置 |
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Also Published As
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CN103813899A (zh) | 2014-05-21 |
CN103813899B (zh) | 2016-04-27 |
US20140252673A1 (en) | 2014-09-11 |
US9694552B2 (en) | 2017-07-04 |
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