JPS58136429A - Molding method of solid tyre - Google Patents

Molding method of solid tyre

Info

Publication number
JPS58136429A
JPS58136429A JP57019152A JP1915282A JPS58136429A JP S58136429 A JPS58136429 A JP S58136429A JP 57019152 A JP57019152 A JP 57019152A JP 1915282 A JP1915282 A JP 1915282A JP S58136429 A JPS58136429 A JP S58136429A
Authority
JP
Japan
Prior art keywords
fiber cord
layer
tread rubber
cord layer
rubber layer
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
Application number
JP57019152A
Other languages
Japanese (ja)
Other versions
JPS6151974B2 (en
Inventor
Ryozo Okada
岡田 良三
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Priority to JP57019152A priority Critical patent/JPS58136429A/en
Publication of JPS58136429A publication Critical patent/JPS58136429A/en
Publication of JPS6151974B2 publication Critical patent/JPS6151974B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00Producing pneumatic or solid tyres or parts thereof
    • B29D30/02Solid tyres ; Moulds therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tyre Moulding (AREA)

Abstract

PURPOSE:To simplify a manufacturing process and to prevent peeling of an interlayer, by a method wherein, after a preheated fiber cord layer material is extruded into a required shape by a vacuum extrusion molder to form a fiber cord layer, a tread rubber layer material is wound therearound to form a tread rubber layer. CONSTITUTION:A material for a fiber cord layer 16 is first extruded through a vacuum ram type extrusion molder 18 by a length which is long enough to be wound around a molding former 20, and is wound around the former 20 to form a fiber cord layer 16. A material for a tread rubber layer 19 is then extruded by a length which is long enough to be wound around the fiber tread layer 16, and is immediately wound around the fiber cord layer 16 to form a tread rubber layer 19 to complete a raw cover. Further, after the fiber cord layer 16 is preheated to, for example, about 80 deg.C in a preheating chamber 17, or in hot water, it is charged into the vacuum ram type extruder 18.

Description

【発明の詳細な説明】 不発明は、成型工程の簡略化等を図ったソリッドタイヤ
の成型方法に関する。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a solid tire molding method that simplifies the molding process.

従来、ソリッドタイヤ、例えば二ニーマチック型ソリッ
ドタイヤの成型方法は、ケーシングスクラップ→裁断→
クラッシャ→カレンダー(例えば幅240saX厚み1
0I10l1→冷却→ロールに巻取り→重量測定→保管
の各工程の後、第1図に示す如く、この繊維コード層1
のロール2と、混練ゴム→カレンダー→冷却→ライナー
(ロールに巻取り)→重量測定→保管の後、このトレッ
ドゴム層3のロール4とを成型機のサービサーに装架し
、ポリエチレンシート巻取機5.6でポリエチレンシー
ト7.8を剥しながらガイド板9.10ケへてフォーマ
−11側へ誘導し、まず、繊維コード層1をステッチャ
−ロール12で押えながらフォーマ−11へ巻付けてゆ
き、巻径検出器13で所望の巻径を検出してナイフ14
でカットし、ついで、トレッドゴム層3をステッチャ−
ロール12で押えながら、フォーマ−11へ巻付けた内
装ゴム層1の上に巻付けてゆき、巻径検出器13で所望
の巻径を検出してナイフ14でカットし、そして、第2
図に示す如く、円筒状に形成されたローカバー15(一
点鎖線)の両端部全カットし、さらに内径部を斜めにカ
ットした後、フォーマ−11から取外して加硫機により
71F+硫してニューマチック型ソリッドタイヤを完成
させるものでおる。
Traditionally, the molding method for solid tires, such as 2-kneematic solid tires, is as follows: casing scrap → cutting →
Crusher → Calendar (e.g. width 240sa x thickness 1
After each step of 0I10l1→cooling→winding on a roll→weight measurement→storage, this fiber cord layer 1 is removed as shown in FIG.
After the roll 2 of the tread rubber layer 3 and the kneaded rubber → calender → cooling → liner (wound up on a roll) → weight measurement → storage, the roll 4 of this tread rubber layer 3 is mounted on the servicer of the molding machine, and the polyethylene sheet is wound up. While peeling the polyethylene sheet 7.8 with the machine 5.6, guide it to the former 11 side through the guide plate 9.10, and first, wrap the fiber cord layer 1 around the former 11 while pressing it with the stitcher roll 12. Then, the winding diameter detector 13 detects the desired winding diameter and the knife 14
Then cut the tread rubber layer 3 with a stitcher.
While being pressed by the roll 12, the inner rubber layer 1 is wound onto the former 11, the desired winding diameter is detected by the winding diameter detector 13, and cut by the knife 14.
As shown in the figure, after cutting both ends of the cylindrical low cover 15 (dotted chain line) and cutting the inner diameter diagonally, it is removed from the former 11 and cured with 71F+ in a vulcanizer to make it pneumatic. It completes the mold solid tire.

従って、繊維コード層、トレッドゴム層ともに多数の工
程を必要とする。
Therefore, both the fiber cord layer and the tread rubber layer require multiple steps.

また、特に繊維コード層は、コールドフィツト成型とな
るために層間剥離等の不具合が発生しやすい上、残留エ
ヤーが多いので加硫時間を短縮するとこれが連続ポーラ
スとなりタイヤの耐久性を低下させる原因となっていた
In addition, the fiber cord layer in particular is prone to problems such as delamination because it is cold-fit molded, and there is a lot of residual air, so if the vulcanization time is shortened, this becomes continuous porous, which reduces the durability of the tire. It had become.

さらに、加硫時間短縮のためには、加硫成型前にローカ
バーを予熱する必要がある上、加硫時に、内部温度が低
いので表面が先に硬化し、後に高温となった内部ゴムが
膨張して表面の硬化膜會突き破って出るトリムワレな−
しはスビューワvがs生しや丁η1つた◎ 不発明は、上記従来の問題点に鑑みてなされたもので、
ゴム引繊維コード材を一定温度に予熱した後、真空押出
機に投入して、所望断面形状のものに押出し、直ちにこ
れをフォーマ−上に巻回して繊維コードを形成し、つい
でトレッドゴム17e前記押出機に投入して、所望断面
形状のものに押出し、直ちにこnft繊維コード層上に
巻回してトレッドゴム層全形成しローカバーを完成し、
つづいて該ローカバーを加硫するようにして、繊維コ−
I’!−? )レッドゴム層のロール化等の工程を大巾
に簡略化し、さらにホットフィツト成型により層間剥離
、ポーラス、長時間の予熱、トリムワレ等を解消するも
のである。
Furthermore, in order to shorten the vulcanization time, it is necessary to preheat the raw cover before vulcanization molding, and during vulcanization, the internal temperature is low, so the surface hardens first, and then the internal rubber, which has become hot, expands. Trim cracks that break through the hardened film on the surface.
There was only one viewer v and there was one. The non-invention was made in view of the above conventional problems,
After preheating the rubberized fiber cord material to a certain temperature, it is put into a vacuum extruder and extruded into a desired cross-sectional shape. This is immediately wound on a former to form a fiber cord, and then the tread rubber 17e is Put it into an extruder, extrude it into a desired cross-sectional shape, and immediately wind it on the NFT fiber cord layer to form the entire tread rubber layer and complete the low cover.
Next, the raw cover is vulcanized and the fiber coat is applied.
I'! −? ) The process of rolling the red rubber layer is greatly simplified, and hot-fit molding eliminates delamination, porousness, long preheating, trim cracking, etc.

以下、本発明の実享例を添付図面について詳細に説明す
る。
Practical examples of the invention will now be described in detail with reference to the accompanying drawings.

第3図に示すように、繊維コード層16の材料は、通常
の空気入りタイヤに使用されるナイロン。
As shown in FIG. 3, the material of the fiber cord layer 16 is nylon, which is used in ordinary pneumatic tires.

ポリエステル、レーヨン等のケーシングの7クラツプを
一定の大きさく例えば長さ100×幅75×厚み10閣
)に裁断したもの′1に用いる。
Seven claps of a casing made of polyester, rayon, etc. are cut to a certain size, for example, length 100 mm, width 75 mm, thickness 10 mm), and used as '1'.

裁断寸法は、繊維コード層16のコード(ナイロン等)
の長さ、後述の押出機18への投入可能な大きさから設
定される。なお、コードの長さは短いほど押出機18に
よる押出しが容易でめり、300sam以下が好ましく
、5〜10mが最も好ましい。
The cutting dimensions are the fiber cord layer 16 cord (nylon, etc.)
It is set based on the length and the size that can be fed into the extruder 18, which will be described later. In addition, the shorter the length of the cord, the easier the extrusion by the extruder 18, so the length of the cord is preferably 300 sam or less, and most preferably 5 to 10 m.

該繊維コード層16は、予熱室(又は熱水中でもよい)
17で例えば約80℃に予熱された後、公知構造の真空
ラム式押出機18に投入される。
The fiber cord layer 16 may be placed in a preheating chamber (or in hot water)
After being preheated to, for example, about 80° C. at step 17, it is charged into a vacuum ram type extruder 18 having a known structure.

なお、繊維コード層16の材料は、ケーシングスクラッ
プを冷凍破砕した粉末片を用いてもよい。
Note that, as the material for the fiber cord layer 16, powder pieces obtained by freezing and crushing casing scraps may be used.

上記真空ラム式押出機18円では、繊維コードN16の
材料がクラツシングされ、各コードが押出方向に揃えら
れた状態で該押出機18から押出される。
In the vacuum ram type extruder 18, the material of the fiber cord N16 is crushed and extruded from the extruder 18 with each cord aligned in the extrusion direction.

−J、)レッドゴム層19は、 原FJlf;He/<
ンハリミキサー又はロールで混練シートとし、該混練シ
ートは、予熱室17で約80°Cに保温された後、真空
ラム式押出機18に投入さnる。押出温度は、例えば8
0〜90°C1押出量はmax 680 Kg/)IR
である。
-J,) The red rubber layer 19 is as follows: Original FJlf;He/<
The mixture is kneaded into a sheet using a heat mixer or rolls, and the kneaded sheet is kept at about 80° C. in a preheating chamber 17 and then fed into a vacuum ram extruder 18. The extrusion temperature is, for example, 8
0~90°C1 extrusion amount is max 680 Kg/)IR
It is.

該真空ラム式押出機18から押出される繊維コード層1
6の材料は、ストリップ押出しの場合は、例えば幅35
×厚み5 (m)でストリップ状の連続シート■として
押出し、一括押出しの場合は、ローカバーの繊維コード
層のほぼ仕上、り断面形状に近い断面長方形状厚シート
■又は断面台形状厚シーF■に押出す。
Fiber cord layer 1 extruded from the vacuum ram extruder 18
For strip extrusion, the material number 6 has a width of, for example, 35 mm.
x Thickness 5 (m), extruded as a continuous sheet in the form of a strip, or in the case of bulk extrusion, almost finished the fiber cord layer of the raw cover, a thick sheet with a rectangular cross-section close to the cross-sectional shape ■, or a thick sheet with a trapezoidal cross-section F■ Extrude to.

一方、上記真空ラム式押出機18から押出されるトレッ
ドゴム層19の材料は、繊維コード層16と同様に、ス
トリップ押出しの場合は、例えば1濯35×厚み5(履
)の7トリツプ状連続シート@トじて押出し、一括押出
しの場合は、ローカバーのトレッドゴム層のほぼ仕上り
断面形状に近い断面長方形状厚シー[■として押出す。
On the other hand, like the fiber cord layer 16, the material of the tread rubber layer 19 extruded from the vacuum ram type extruder 18 is, in the case of strip extrusion, for example, a continuous strip of 7 strips of 35 mm per wash x 5 (thickness). In the case of sheet@twist extrusion or batch extrusion, the sheet is extruded as a thick sheet with a rectangular cross section that is almost the finished cross-sectional shape of the tread rubber layer of the low cover.

上記押出機18〃)らは、まず繊維コード層16る だけ押出し直ちにフォーマー20上に巻回して繊維コー
ドMk形成し、ついでトレッドゴム層19の材料會繊維
コード層16上に巻回する所定長さだけ押出し、直ちに
繊維コード層上に巻回しトレッドゴム層を形成し、ロー
カバーを完成する。
The extruder 18) first extrudes only the fiber cord layer 16, immediately winds it on the former 20 to form the fiber cord Mk, and then winds the material of the tread rubber layer 19 onto the fiber cord layer 16 to a predetermined length. It is extruded and immediately wound onto the fiber cord layer to form a tread rubber layer to complete the low cover.

従って、繊維コード層16は、上記従来の工程の内、ク
ラッシャー、カレンダー、 冷却、ロールに巻取り1重
量部足、保管の各工程が省略される。
Therefore, for the fiber cord layer 16, among the conventional steps mentioned above, the steps of crusher, calender, cooling, winding on a roll (1 part by weight), and storage are omitted.

また、トレッドゴム層19は、上記従来の工程の内、カ
レンダー、冷却、ライナー巻込み9重Jl測定、保管の
各工程が省略される。
In addition, the tread rubber layer 19 omits the steps of calendering, cooling, liner winding, 9-fold Jl measurement, and storage among the conventional steps described above.

上記繊維コード層16のストリップ状連続シート■は、
フォーマ−20上で多列多段に積層巻回して断面長方形
状厚シートσ又は断面台形状厚シートdに形成して、繊
維コードN上5完成する。又、上記トレッドゴム層19
のストリップ状連続シート@は、繊維コード層16上で
多列多段に積層巻回して断面長方形状厚シート@′に形
成し、トレッドゴムMJを完成する。
The strip-like continuous sheet ■ of the fiber cord layer 16 is
The fiber cord N5 is completed by laminating and winding it in multiple rows and stages on a former 20 to form a thick sheet σ having a rectangular cross section or a thick sheet d having a trapezoidal cross section. Further, the tread rubber layer 19
The strip-shaped continuous sheet @ is laminated and wound in multiple rows and stages on the fiber cord layer 16 to form a thick sheet @' having a rectangular cross section to complete the tread rubber MJ.

上記繊維コードFm16の断面長方形状厚シート■又は
断面台形状厚シーtoは、フォーマ−20上に1周分だ
け巻いてパッドジヨイントし、上記トレッドゴム層19
の断面長方形状厚シート■は、繊維コード層16上に1
周分だけ巻いてパッドジョイン4する。
The thick sheet (2) having a rectangular cross section or the thick sheet (to) having a trapezoidal cross section of the fiber cord Fm16 is wound around the former 20 for one turn and pad jointed, and the tread rubber layer 19
A thick sheet with a rectangular cross section 1 is placed on the fiber cord layer 16.
Wrap it around the circumference and do 4 pad joins.

上記第2図のように、成型フォーマ−20上で成型され
たローカ、バー21は、繊維コード層16とトレッドゴ
ム層19がともに内部まで約70〜80°Cで予熱状態
でろV(ホットフィツト成型)、従来のように改めて予
熱することなくこの状態のままで加硫機22に投入して
加硫成型し、予熱の分だけ加硫時間が短縮されて、ニュ
ーマチック型ソリッドタイヤ23が完成する。
As shown in FIG. 2 above, the loca and bar 21 molded on the molding former 20 are preheated inside the fiber cord layer 16 and the tread rubber layer 19 at about 70 to 80°C (hot fit). molding), without preheating again as in the past, the tire is put into the vulcanizer 22 in this state and vulcanized and molded, and the vulcanization time is shortened by the amount of preheating, and the pneumatic solid tire 23 is completed. do.

以上の説明からも明ら刀・なように、不発明は、繊維コ
ード層の材料を予熱して真空押出機に投入し、所望形状
のものを押出してフォーマ−に巻回して繊維コード層ヲ
彫成し、ついでトレッドゴム層の材料を前記押出機に投
入して所望形状のものを押出して繊維コード層上に巻l
してトレッドゴム層を形成してローカバーを成型し、該
ローカバーをつづいて加硫するようにしたものであるか
ら、上記従来のような繊維コード層やトレッドゴム層の
ロール化等の工程を大巾に簡略化できるようになる。
As is clear from the above description, the invention is to preheat the material for the fiber cord layer, feed it into a vacuum extruder, extrude the desired shape, and wind it around a former to form the fiber cord layer. After carving, the material for the tread rubber layer is put into the extruder and extruded into a desired shape, which is then wound onto the fiber cord layer.
This method forms a tread rubber layer, molds a low cover, and then vulcanizes the low cover, so the conventional processes such as rolling the fiber cord layer and tread rubber layer are greatly simplified. It can be greatly simplified.

また、繊維コード層とトレッドゴム層はともに内部まで
予熱状態であるから、層面剥離やボーラヌの発生が減少
し、加硫前にローカバーを予熱する手間が必要なく加硫
時間が短縮され、又、トリムワレヤスピユーワレの発生
も減少するようになる。
In addition, since both the fiber cord layer and the tread rubber layer are preheated to the inside, the occurrence of delamination and bolanu is reduced, and there is no need to preheat the low cover before vulcanization, shortening the vulcanization time. The occurrence of trim wares and spill wares will also be reduced.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は従来のニューマチック型ソリッドタイヤ成型装
置の側面図、第2図は二ニーマチック型ソリッドタイヤ
の断面図、第3図は本発明にたかるソリッドタイヤ成型
方法の工程図である。 16・・・繊維コード層、 17・・・予熱室、 18
・・・真空ラム式押出機、  19・・・トレッドゴム
層、20・・・成型フォーマ−121・・・ローカバー
、22・・・加FiN機、  23・・・ニューマチッ
ク型ソリッドタイヤ。 特 許 出 願 人 住友ゴム工業株式会社代 理 人
 弁理士 青 山  葆ほか2名1 第1図 第2図 手続補正書 昭和57年3月19日 特許庁長官  殿 1、事件の表示 昭和57年特許願第19152       号2発明
の名称 ソリッドタイヤの成型方法 3補正をする者 事件との関係 特許出願人 4代理人 5補正命令の日付 (自発補正) 6補正の対象 7、補正の内容 明細書中、次の箇所を訂正する。 A0発明の詳細な説明の欄 (1)第1頁第18〜19行目、第5頁第3〜4行目「
ケーシングスクラップ」とあるヲ、「ケーシング材料」
と訂正する。 (2)第3頁第18行目 「繊維コード」とあるを、「繊維コード層」と訂正する
。 (3)第4頁第3行目 [「ロール化等」の前に、「カレンダー・冷却・秤量・
」を挿入する。 (4)第4頁第11〜12行目 「スクラップ」とあるを、「材料」と訂正する。 (5)第5頁第6行目 「クラツシング」とあるを、「加熱流動化」と訂正する
。 80図面の簡単な説明の欄 (1)第9頁第4行目 「ソリッドタイヤ」とあるを、「ソリッドタイヤのロー
カバー」と訂正する。
FIG. 1 is a side view of a conventional pneumatic solid tire molding apparatus, FIG. 2 is a sectional view of a pneumatic solid tire, and FIG. 3 is a process diagram of a solid tire molding method according to the present invention. 16... Fiber cord layer, 17... Preheating chamber, 18
... Vacuum ram type extruder, 19... Tread rubber layer, 20... Molding former 121... Low cover, 22... FiN machine, 23... Pneumatic type solid tire. Patent applicant Sumitomo Rubber Industries Co., Ltd. Agent Patent attorney Aoyama Sho and 2 others 1 Figure 1 Figure 2 Procedural amendment March 19, 1980 Commissioner of the Japan Patent Office 1. Indication of the case 1988 Patent Application No. 19152 2 Name of the invention Solid tire molding method 3 Person making the amendment Relationship to the case Patent applicant 4 Agent 5 Date of amendment order (voluntary amendment) 6 Subject of amendment 7, Details of amendment , the following part is corrected. A0 Detailed description of the invention column (1) Page 1, lines 18-19, page 5, lines 3-4 “
"Casing scrap", "Casing material"
I am corrected. (2) On page 3, line 18, "fiber cord" is corrected to "fiber cord layer." (3) Page 4, line 3 [Before "rolling, etc.", "calendering, cooling, weighing,
” is inserted. (4) On page 4, lines 11-12, the word ``scrap'' should be corrected to ``material.'' (5) On page 5, line 6, the word "crushing" is corrected to "heat fluidization." 80 Brief description of drawings column (1) Page 9, line 4, "Solid tire" is corrected to "Low cover for solid tire."

Claims (1)

【特許請求の範囲】[Claims] (1)  ゴム引繊維コード材ヲ一定1ML度に予熱し
た後、真孕押出機に投入して、所望断面形状のものに押
出し直ちにこれをフォーマ−上に巻回して繊維コード層
を形成し、ついでトレッドゴム材を前記押出機に投入し
て、所望断面形状のものに押出し、直ちにこれを繊維コ
ード層上に巻回してトレッドゴムW1ヲ形成しローカバ
ーを完成し、つづいて該ローカバーt−加硫するように
したことを特徴とするソリッドタイヤの成型方法。
(1) After preheating the rubberized fiber cord material to a certain 1 ML degree, it is put into a Shinko extruder, extruded into a desired cross-sectional shape, and immediately wound on a former to form a fiber cord layer. Next, the tread rubber material is put into the extruder and extruded into a desired cross-sectional shape, which is immediately wound on the fiber cord layer to form the tread rubber W1 to complete the low cover, and then the low cover T-processed. A method for molding a solid tire characterized by sulfurization.
JP57019152A 1982-02-08 1982-02-08 Molding method of solid tyre Granted JPS58136429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57019152A JPS58136429A (en) 1982-02-08 1982-02-08 Molding method of solid tyre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57019152A JPS58136429A (en) 1982-02-08 1982-02-08 Molding method of solid tyre

Publications (2)

Publication Number Publication Date
JPS58136429A true JPS58136429A (en) 1983-08-13
JPS6151974B2 JPS6151974B2 (en) 1986-11-11

Family

ID=11991448

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57019152A Granted JPS58136429A (en) 1982-02-08 1982-02-08 Molding method of solid tyre

Country Status (1)

Country Link
JP (1) JPS58136429A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290508A (en) * 1986-05-20 1987-12-17 ザ・フアイヤ−スト−ン・タイヤ・アンド・ラバ−・カンパニ− Method of molding hot tire
JPH0286428A (en) * 1988-09-22 1990-03-27 Sumitomo Rubber Ind Ltd Manufacture of solid tyre
JPH04258429A (en) * 1991-02-08 1992-09-14 Kajima Corp Joint structure of large beam and small beam
JPH05212814A (en) * 1992-02-03 1993-08-24 Sumitomo Rubber Ind Ltd Manufacture of solid tire
JP2017178245A (en) * 2016-03-31 2017-10-05 住友ゴム工業株式会社 Solid tire

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0536538Y2 (en) * 1986-10-03 1993-09-16
JPS63194769A (en) * 1987-02-09 1988-08-11 Matsushita Electric Ind Co Ltd Adhesive coating device
JPH04200767A (en) * 1990-11-30 1992-07-21 Misawa Homes Co Ltd Adhesive coating apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62290508A (en) * 1986-05-20 1987-12-17 ザ・フアイヤ−スト−ン・タイヤ・アンド・ラバ−・カンパニ− Method of molding hot tire
JPH0286428A (en) * 1988-09-22 1990-03-27 Sumitomo Rubber Ind Ltd Manufacture of solid tyre
JPH0513822B2 (en) * 1988-09-22 1993-02-23 Sumitomo Rubber Ind
JPH04258429A (en) * 1991-02-08 1992-09-14 Kajima Corp Joint structure of large beam and small beam
JPH05212814A (en) * 1992-02-03 1993-08-24 Sumitomo Rubber Ind Ltd Manufacture of solid tire
JP2017178245A (en) * 2016-03-31 2017-10-05 住友ゴム工業株式会社 Solid tire

Also Published As

Publication number Publication date
JPS6151974B2 (en) 1986-11-11

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