JPS59216702A - Tire holding rim device - Google Patents
Tire holding rim deviceInfo
- Publication number
- JPS59216702A JPS59216702A JP58092114A JP9211483A JPS59216702A JP S59216702 A JPS59216702 A JP S59216702A JP 58092114 A JP58092114 A JP 58092114A JP 9211483 A JP9211483 A JP 9211483A JP S59216702 A JPS59216702 A JP S59216702A
- Authority
- JP
- Japan
- Prior art keywords
- rim
- pieces
- piece
- tire
- small
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003566 sealing material Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000011324 bead Substances 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- 229920001971 elastomer Polymers 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229920002050 silicone resin Polymers 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 241000723438 Cercidiphyllum japonicum Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、ポストキュアインフレータ等ニおいてタイ
ヤを保持するだめに用いられるタイヤ保持用リム装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a tire holding rim device used for holding a tire in a post-cure inflator or the like.
タイヤ加硫材には、加硫後のタイヤを空気圧で膨張させ
て空冷するポストキュアインフレータが併設されている
。 このポストキュアインフレータのタイヤ保持用のリ
ムとしては、従来、上下に分割されたリムが用いられ、
該リム分割材を上下動させてタイヤに係合させるように
構成されていだが、この方式では、内圧に耐えるため強
固な支持フレームが必要となり装置の重量が大きくなる
ほか、上下合わせ方式であるためタイヤをうまく係合さ
せるのが困難であるという問題があった。The tire vulcanizer is equipped with a post-cure inflator that inflates the vulcanized tire using air pressure and air-cools it. Conventionally, the rim for holding the tire of this post-cure inflator is a rim that is divided into upper and lower parts.
The rim dividing material is configured to move up and down to engage the tire, but this method requires a strong support frame to withstand internal pressure, which increases the weight of the device, and because it is a top-down system. The problem was that it was difficult to properly engage the tires.
また、タイヤの寸法が変化したときのリムの交換に手間
がかかり、不便であった。Furthermore, when the dimensions of the tire change, it takes time and effort to replace the rim, which is inconvenient.
この発明は上記問題を解決することを目的にな烙れたも
ので、タイヤが係合するリムの外周部を軸方向に沼って
分割して、外周部の巾が広く内側の巾が狭い大リム片と
、外周部の巾が狭く内側の巾が広い断面楔状の小リム片
の集合体とし、上記大リム片と小リム片とを交互に配し
互いに摺動自在に密゛着させるとともに、これら両リム
片を半径方向に移動可能に、かつ小リム片を大リム片の
外周面よりも内側に引込み可能に支持し、両リム片を外
向きに張出させたときは大リム片と小リム片の外周１■
が大径の同一円周上にあり、小リム片を引込めた状態で
は大リム片の外周部のみによって比較的小径の円周が形
成されるように構成し、さらに上記大リム片と小リム片
を芯部に設けた移動・体にリンクを介して連結し、該移
動体の前後動によって両リム片を半径方向に移動させる
ように構成したことを特徴としている。This invention was developed with the aim of solving the above problem.The outer circumference of the rim, on which the tire engages, is divided in the axial direction so that the outer circumference is wide and the inner width is narrow. A collection of large rim pieces and small rim pieces each having a wedge-shaped cross section with a narrow outer circumferential width and a wide inner width, and the large rim pieces and small rim pieces are alternately arranged and slidably attached to each other. At the same time, both of these rim pieces are supported to be movable in the radial direction, and the small rim piece is supported so that it can be retracted inside the outer peripheral surface of the large rim piece, and when both rim pieces are extended outward, the large rim piece Outer circumference of piece and small rim piece 1■
are on the same circumference of the large diameter, and when the small rim piece is retracted, a relatively small diameter circumference is formed only by the outer periphery of the large rim piece. The rim piece is connected to a movable body provided in the core via a link, and both rim pieces are moved in the radial direction by the back and forth movement of the movable body.
以下、図面にあられされた実施例について説明すれば、
第１図および第２図は本発明にかかるリム装置の１例を
あられす側面図および断面図であり、このリム装置１は
リム本体２と駆動装置３かて、大リム片４，４．・・・
と小リム片５，５．・・・の集合体として形成されてい
る。 大リム片４は外径部の巾が広く内側の巾が狭い扇
形に形成され、小リム片５は逆に外径部の巾が狭く内側
の巾が広い断面楔状に形成されている。 これら両リム
片４．５は円周方向に沿って交互に配され、半径方向に
対し傾斜したその分割面同士が互いに摺動自在に密着し
ている。The embodiments shown in the drawings will be explained below.
1 and 2 are a side view and a cross-sectional view of an example of a rim device according to the present invention, and this rim device 1 consists of a rim body 2, a drive device 3, large rim pieces 4, 4. ...
and small rim piece 5,5. It is formed as a collection of... The large rim piece 4 is formed into a fan shape with a wide outer diameter part and a narrow inner width, and the small rim piece 5 is formed into a wedge shape in cross section with a narrow outer diameter part and a wide inner width. These two rim pieces 4.5 are arranged alternately along the circumferential direction, and their dividing surfaces inclined with respect to the radial direction are slidably in close contact with each other.
小リム片５の摺動面５ａには、第３図に示す如くシール
材７が埋設されている。 図示例（第１図）ではシール
材７が、シリコン樹脂からなる表面層７ａと、その下側
に埋設されたゴム材からなる弾性層７１）とで構成され
る２層構造となっているが、シリコン樹脂のみまたはゴ
ム材のみで構成してもよい。 ゴム材としては、例え
ばウレタンゴム、アクリロニトリルゴム、シリコンゴム
等を用いることができる。 シール材７としては、小リ
ム片５と大リム片４との摺動部の気密性を高めるため、
いくらか押しつぶしのきく弾性材を用いるのが好ましい
。 また、摺動を円滑にするため自己潤滑性をそなえだ
材料を選ぶのが望ましい。A sealing material 7 is embedded in the sliding surface 5a of the small rim piece 5, as shown in FIG. In the illustrated example (FIG. 1), the sealing material 7 has a two-layer structure consisting of a surface layer 7a made of silicone resin and an elastic layer 71 made of rubber material buried below the surface layer 7a. , it may be made of only silicone resin or only rubber material. As the rubber material, for example, urethane rubber, acrylonitrile rubber, silicone rubber, etc. can be used. As the sealing material 7, in order to improve the airtightness of the sliding part between the small rim piece 5 and the large rim piece 4,
Preferably, an elastic material with some crush resistance is used. It is also desirable to select a material that has self-lubricating properties to ensure smooth sliding.
上記材料のほか、ナイロン、発泡ウレタン等を用いても
よい。 ７−ル材７がゴム材の場合は焼付けによって、
址だシール材７が樹脂の場合は接着剤によって小リム片
５にうまく固着することができる。 シール材７が例え
ば硬質ウレタンのような詞質の場合は、小リム片５にね
じ止めすることもできる。 々お、シール°材７は図示
例のように小リム片５に四部５ｂを設けて、その中に固
着するのが望ましい。 図示例ではシール材７が小リム
片５側に固着されているが、これを大リム片４側に設け
ておいてもよい。 場合によってはシール材７を設けて
おかなくともよい。In addition to the above materials, nylon, urethane foam, etc. may also be used. 7- If the material 7 is made of rubber, by baking,
If the sealing material 7 is made of resin, it can be successfully fixed to the small rim piece 5 with an adhesive. If the sealing material 7 is made of hard urethane, for example, it can be screwed onto the small rim piece 5. It is preferable that the sealing material 7 is provided with four portions 5b on the small rim piece 5 and fixed therein as shown in the illustrated example. In the illustrated example, the sealing material 7 is fixed to the small rim piece 5 side, but it may also be provided on the large rim piece 4 side. In some cases, the sealing material 7 may not be provided.
リム本体２の両側面部には、フランジ９，９′が設けら
れている。 フランジ９，９１のリム片側の面には棒状
の摺動ガイド１０が、各リム片に対し１対の割合で放射
状に埋設されており、これが大リム片５に設けられた溝
１１に摺動自在に嵌合している。 各リム片４，５は上
記摺動ガイド１０と溝１１との嵌合を案内として半径方
向に移動する。 摺動ガイドＩＯは、フランジ９，９′
と一体の凸条として形成しておいてもよい。Flanges 9 and 9' are provided on both side surfaces of the rim body 2. Rod-shaped sliding guides 10 are embedded radially in the surface of one side of the rim of the flanges 9 and 91, one pair for each rim piece, and these guides slide into grooves 11 provided in the large rim piece 5. They fit together freely. Each rim piece 4, 5 moves in the radial direction using the fitting between the sliding guide 10 and the groove 11 as a guide. The sliding guide IO has flanges 9, 9'
It may be formed as a convex strip integral with the ridge.
駆動装置３は、フレーム１５に固定された支持軸１６と
エアシリンダ装置１７、および移動体１９をそなえてい
る。 エアシリンダ装置１７は、支持軸１６に嵌着され
た固定式のピストン体２０と、可動式のシリンダ２１か
らなり、ピストン体２０の前後に通ずる２本の通気孔２
２．２３から切換供給される圧縮空気によシシリンダ２
１が前後に摺動するように構成されている。 シリンダ
２１の前部に一体に設けられた取付はフランジ２４は前
記フランジ９′を貫通する連結棒２５によって移動体１
９に連結されており、シリンダ２１が支持軸１６上を移
動するとき移動体１９がシリンダ２１とともに支持軸上
を摺動するように構成されている。 移動体１９の外周
部にはリム片４，５の数に見合うだけの突起２７．２７
’が設けられており、前側の突起２７には大リム片４が
、また後側の突起２７′には小リム片５がそれぞれリン
ク２８．２８’を介して連結されている。 リンク２８
．２８’はリム片４，５と移動体１９に枢着されており
、移動体１９を移動させることによってリム片４，５を
リムの中心軸と垂直方向に移動させることができる。The drive device 3 includes a support shaft 16 fixed to a frame 15, an air cylinder device 17, and a moving body 19. The air cylinder device 17 consists of a fixed piston body 20 fitted to the support shaft 16 and a movable cylinder 21, and has two ventilation holes 2 communicating with the front and rear of the piston body 20.
2. The cylinder 2 is supplied with compressed air switched from 23.
1 is configured to slide back and forth. A flange 24 integrally provided at the front part of the cylinder 21 is attached to the movable body by a connecting rod 25 passing through the flange 9'.
9, and is configured such that when the cylinder 21 moves on the support shaft 16, the movable body 19 slides on the support shaft together with the cylinder 21. There are as many protrusions 27, 27 on the outer periphery of the movable body 19 as the number of rim pieces 4 and 5.
The large rim piece 4 is connected to the front projection 27, and the small rim piece 5 is connected to the rear projection 27' via links 28 and 28'. link 28
．． 28' is pivotally connected to the rim pieces 4, 5 and the movable body 19, and by moving the movable body 19, the rim pieces 4, 5 can be moved in a direction perpendicular to the center axis of the rim.
このリム装置１の使用時において、マスエアシリンダ装
置１７の通気孔２３にエアを供給してシリンダ２１を後
退させると、移動体１９が一体となって後退するので、
リム片４，５がリンク２８．２８′によって引張られて
内側（中心軸側）へ引き込まれ、第４図に示すようにリ
ム外径が縮小する。 この状態では、リムの外周面は大
リム片４のみによって構成される。 つぎに、このよう
にして縮径したリムにタイヤ３０を嵌合し、エアシリン
ダ装置１７０反対側の通気孔２２からエアを供給してシ
リンダ２１を前進させると、リム片４．５が外向きに移
動してリム外径が拡径され、タイヤ３０のビード部３０
ａとリム外周部との係合が強固なものとなり、タイヤ３
０がリム本体２にしっかりと保持される。 リム径を
最大に拡径しだ状態では、小リム片５の外周面と大リム
片４の外周面とが同一円周上に位置する。 このように
、タイヤ３０をこのリム装置１に保持した。ら、リム片
に設けた通孔を通してリム内側からタイヤ内部にエアを
供給し、タイヤを膨張させて、必要な処理、例えばポス
トキュアインフレータに本装置を使用する場合に空冷処
理を施す。When using this rim device 1, when air is supplied to the vent hole 23 of the mass air cylinder device 17 and the cylinder 21 is moved backward, the movable body 19 moves backward as a unit.
The rim pieces 4, 5 are pulled inward (toward the central axis) by the links 28, 28', and the outer diameter of the rim is reduced as shown in FIG. In this state, the outer peripheral surface of the rim is composed only of the large rim piece 4. Next, when the tire 30 is fitted to the rim whose diameter has been reduced in this way and the cylinder 21 is moved forward by supplying air from the vent hole 22 on the opposite side of the air cylinder device 170, the rim piece 4.5 is turned outward. , the outer diameter of the rim is expanded, and the bead portion 30 of the tire 30 is expanded.
The engagement between a and the outer periphery of the rim becomes strong, and the tire 3
0 is firmly held on the rim body 2. When the rim diameter is expanded to the maximum, the outer circumferential surface of the small rim piece 5 and the outer circumferential surface of the large rim piece 4 are located on the same circumference. In this way, the tire 30 was held on this rim device 1. Then, air is supplied from the inside of the rim to the inside of the tire through a hole provided in the rim piece to inflate the tire and perform necessary processing, such as air cooling processing when using this device for a post-cure inflator.
このリム装置１は、使用時にリムを分離する必要がない
ので、位置ずれ等が生じず、タイヤの係合状態が良好で
ある。 リム装置全体が一体的に形成されているので、
装置全体がコンパクトなものとなっている。 従来の上
下分割式リムのような上昇用シリンダ等が不要であるの
で構造的にも簡単である。Since this rim device 1 does not require separation of the rim during use, positional displacement does not occur and the engagement of the tires is good. Since the entire rim device is integrally formed,
The entire device is compact. It is structurally simple as it does not require a lifting cylinder or the like like the conventional upper and lower split rim.
以上に説明した如く、本発明にかかるタイヤ保持用リム
装置は、構造が簡単でタイヤをエヤタクトに保持するこ
とのできる実用的にすぐれたもの □′である。As explained above, the tire holding rim device according to the present invention has a simple structure and is practically excellent in that it can hold a tire in an air tact.
本発明にかかるリム装置を、ユニフオミテイ機、バル
ジ検査機、パフ装置等、ポストキュアインフレータ以外
の用途に使用することかできることは云うまでもない。It goes without saying that the rim device according to the present invention can be used in applications other than post-cure inflators, such as a uniformity machine, a bulge inspection machine, and a puff device.
第１図はリム本体の側面図、第２図はリム装置の正面断
面図、第３図はリム片のＡ矢視図、第４図は縮径状態の
説明図、第５図はタイヤ装着状態をあられす断面図であ
る。 図はいずれも実施例をあられすＯ
Ｉ・・・リム装置、２・・・リム本体、３・・駆動装置
、４・・・大リム片、５・・・小リム片、７・・・シー
ル材、９．９′・・・フランジ、１０・・・摺動ガイド
、１１・・溝、１６・・・支持軸、１７・・・エアシリ
ンダ装置、１９・・・移動体、２１・・・シリンダ、２
５・・・連結棒、２８゜２８′・・・リンク、３０・・
タイヤ。
特許出願人 住友ゴム工業株式会社
株式会社森鉄工所
代理人 弁理士 菅 原 弘 志
手続補正書
特許庁長官 殿
■、事件の表示 昭和５８年特許願第０９２１１４
号２、発明の名称 タイヤ保持用リム装置３、補正を
する者
事件との関係 特許出願人
、 住所（居所）兵庫県神戸市中央区筒井町１丁目１
番１号氏名（名称）住友ゴム工業株式会社
代表取締役 桂 １）鎗 男
住所（居所）福岡県久留米市大石町１８番地氏名（名称
）株式会社 森 鉄 工 所代表取締役 森 克
巳
４、代理人 〒５３０
住所（居所）大阪府大阪市北区東天満２丁目６番２号５
、補正命令の日付 自 発
８、補正の内容
（ｆ） 明ｍ書の第２頁第８行の「加硫材」を「加・
硫機Ｊと訂」ミする。
（以上）Figure 1 is a side view of the rim body, Figure 2 is a front cross-sectional view of the rim device, Figure 3 is a view of the rim piece in the direction of arrow A, Figure 4 is an explanatory diagram of the diameter reduced state, and Figure 5 is the tire installed. It is a sectional view showing the state. The figures show examples. I... Rim device, 2... Rim body, 3... Drive device, 4... Large rim piece, 5... Small rim piece, 7... Seal material, 9.9'...Flange, 10...Sliding guide, 11...Groove, 16...Support shaft, 17...Air cylinder device, 19...Moving body, 21...・Cylinder, 2
5... Connecting rod, 28°28'... Link, 30...
tire. Patent Applicant Sumitomo Rubber Industries Co., Ltd. Mori Iron Works Co., Ltd. Agent Patent Attorney Hiroshi Sugawara Procedural Amendment Commissioner Commissioner of the Patent Office Mr.■ Case Indication Patent Application No. 092114 of 1982
No. 2, Title of the invention Tire holding rim device 3, Relationship to the case of the person making the amendment Patent applicant Address (residence) 1-1 Tsutsui-cho, Chuo-ku, Kobe, Hyogo Prefecture
Number 1 Name: Katsura, Representative Director, Sumitomo Rubber Industries, Ltd. 1) Yari O Address (Residence): 18 Oishi-cho, Kurume City, Fukuoka Prefecture Name: Katsumi Mori, Representative Director, Mori Iron Works Co., Ltd. 4, Agent 530 Address (Residence) 2-6-2-5 Higashitenma, Kita-ku, Osaka, Osaka Prefecture
, Date of amendment order Vol. 8, Contents of amendment (f) "Vulcanized material" on page 2, line 8 of the memorandum has been changed to "vulcanized material".
Edited by Suki J. (that's all)
Claims (2)
して、外周部の巾が広く内側の巾が狭い大リム片と、外
周部の巾が狭く内側の巾が広い断面楔状の小リム片の集
合体とし、上記大リム片と小リム片とを交互に配し互い
に摺動自在に密着させるとともに、これら両リム片を半
径方向に移動可能に、かつ小リム片を大リム片の外周部
よりも内側に引込み可能に支持することによって、両リ
ム片を外向きに張出させたときは大小側リム片の外周面
が大径の同一円周上にあシ、両リム片を引込めた状態で
は大リム片の外周面のみによって小径の円周が形成され
るように構成し、さらに、両リム片を芯部に設けた移動
体にリンクを介して連結して、該移動体の前後動と両リ
ム片の半径方向ｐ移動とを連動させるように構成したこ
とを特徴とするタイヤ保持用リム装置。(1) The outer periphery of the drum-shaped rim is divided along the axial direction to form a large rim piece with a wide outer periphery and a narrow inner width, and a wedge-shaped cross section with a narrow outer periphery and a wide inner width. The large rim pieces and the small rim pieces are arranged alternately and slidably in close contact with each other, and both of the rim pieces are movable in the radial direction, and the small rim pieces are made into large rim pieces. By supporting the rim piece retractably inward from the outer periphery of the rim piece, when both rim pieces are extended outward, the outer peripheral surfaces of the large and small rim pieces are on the same circumference of the large diameter, and both rim pieces are retractably supported. When the rim piece is retracted, only the outer peripheral surface of the large rim piece forms a small-diameter circumference, and both rim pieces are connected via a link to a movable body provided at the core. A rim device for holding a tire, characterized in that the longitudinal movement of the movable body and the movement of both rim pieces in the radial direction P are linked.
するシール材を配してなる特許請求の範囲第１項記載の
タイヤ保持用リム装置。(2) A rim device for holding a tire according to claim 1, wherein a sealing material for preventing air leakage is arranged on the sliding portion of the small rim piece and the large rim piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58092114A JPS59216702A (en) | 1983-05-24 | 1983-05-24 | Tire holding rim device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58092114A JPS59216702A (en) | 1983-05-24 | 1983-05-24 | Tire holding rim device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59216702A true JPS59216702A (en) | 1984-12-06 |
| JPH0445338B2 JPH0445338B2 (en) | 1992-07-24 |
Family
ID=14045401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58092114A Granted JPS59216702A (en) | 1983-05-24 | 1983-05-24 | Tire holding rim device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59216702A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007105981A (en) * | 2005-10-13 | 2007-04-26 | Bridgestone Corp | Vulcanizing method of air bladder for safety tire and vulcanizing mold |
| JP2007105979A (en) * | 2005-10-13 | 2007-04-26 | Bridgestone Corp | Vulcanization method of annular hollow body and vulcanizing mold |
| US20160023415A1 (en) * | 2013-03-12 | 2016-01-28 | Bridgestone Corporation | Molding drum |
-
1983
- 1983-05-24 JP JP58092114A patent/JPS59216702A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007105981A (en) * | 2005-10-13 | 2007-04-26 | Bridgestone Corp | Vulcanizing method of air bladder for safety tire and vulcanizing mold |
| JP2007105979A (en) * | 2005-10-13 | 2007-04-26 | Bridgestone Corp | Vulcanization method of annular hollow body and vulcanizing mold |
| JP4667199B2 (en) * | 2005-10-13 | 2011-04-06 | 株式会社ブリヂストン | Method and vulcanization mold for air bladder for safety tire |
| JP4667198B2 (en) * | 2005-10-13 | 2011-04-06 | 株式会社ブリヂストン | Method for vulcanizing annular hollow body and vulcanization mold |
| US20160023415A1 (en) * | 2013-03-12 | 2016-01-28 | Bridgestone Corporation | Molding drum |
| US10279555B2 (en) * | 2013-03-12 | 2019-05-07 | Bridgestone Corporation | Molding drum |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445338B2 (en) | 1992-07-24 |
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