JPH08197604A - Manufacture of inflate seal member - Google Patents

Manufacture of inflate seal member

Info

Publication number
JPH08197604A
JPH08197604A JP7009261A JP926195A JPH08197604A JP H08197604 A JPH08197604 A JP H08197604A JP 7009261 A JP7009261 A JP 7009261A JP 926195 A JP926195 A JP 926195A JP H08197604 A JPH08197604 A JP H08197604A
Authority
JP
Japan
Prior art keywords
rubber
seal member
reinforcing
extruded
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.)
Pending
Application number
JP7009261A
Other languages
Japanese (ja)
Inventor
Masahiko Ishikawa
雅彦 石川
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.)
Yokohama Rubber Co Ltd
Original Assignee
Yokohama Rubber Co 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 Yokohama Rubber Co Ltd filed Critical Yokohama Rubber Co Ltd
Priority to JP7009261A priority Critical patent/JPH08197604A/en
Publication of JPH08197604A publication Critical patent/JPH08197604A/en
Pending legal-status Critical Current

Links

Landscapes

  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To eliminate stitching parts of a reinforcing fabric and improve dimensional stability by braiding a splicing yarn by a braiding machine so as to form a reinforcing layer on an outer peripheral face of a rubber tube extruded from an extruder, a cover rubber is extruded to the outer peripheral face so as to form an outer face rubber layer in a covering manner, and it is molded by vulcanization. CONSTITUTION: On an outer peripheral face of a rubber tube 2 of an unvulcanized rubber extruded from an extruder, a splicing yarn 4a is continuously braided by a braiding machine so as to form a reinforcing layer. On the reinforcing layer 4 braided on the outer peripheral face of the rubber tube 2, a cover rubber is extruded from the extruder so as to form an outer face rubber layer 3 in a covering manner. An unvulcanized molded piece molded in such a way is cut into a predetermined length. In the unvulcanized molded piece of an inflate seal member, a mouthpiece 5 for inflating is mounted at a predetermined position. Thereafter, it is arranged in between an upper mold 6a and a lower mold 6b for molding the inflate seal member, heated by press molding, and vulcanized so as to manufacture a desired inflate seal member 1.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、インフレートシール
部材の製造方法に係わり、更に詳しくは編組機械を用い
て補強糸により連続的に編み込んで補強層を形成するイ
ンフレートシール部材の製造方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an inflatable seal member, and more particularly to a method for manufacturing an inflatable seal member in which a reinforcing layer is continuously knitted with a reinforcing yarn by using a braiding machine. It is a thing.

【0002】[0002]

【従来の技術】従来、船舶用ハッチカバーの周縁部に配
設するシール部材や、車両の開閉扉の周縁部に配設する
シール部材の他、部屋や容器等の気密を保持する部分に
用いられるシール部材として、補強布を埋設したゴム状
弾性材料により形成した筒状体に、低圧の空気を供給す
ることによって筒状体の体積を瞬時に膨張させ、タイト
にシールすることにより、空気や他のガス体,液体,粉
塵等を遮断するインフレートシール部材が使用されてい
る。
2. Description of the Related Art Conventionally, it has been used for a sealing member arranged on the peripheral portion of a hatch cover for a ship, a sealing member arranged on the peripheral portion of an opening / closing door of a vehicle, and a portion for maintaining airtightness of a room or a container. As a sealing member to be used, a low-pressure air is supplied to a tubular body formed of a rubber-like elastic material in which a reinforcing cloth is embedded so that the volume of the tubular body is instantly expanded to tightly seal the air, An inflatable seal member that shuts off other gas bodies, liquids, dust, etc. is used.

【0003】ところで、従来のインフレートシール部材
は、押出し成形等により成形されたゴムチューブの外周
面にシート状の補強布をすし巻き状にして貼付け、更に
その外周には、用途に応じて耐候性や耐摩耗性を付与さ
せるためにカバーゴムを貼付けて外面ゴム層を被覆形成
していた。
By the way, in the conventional inflatable seal member, a sheet-shaped reinforcing cloth is sushi-rolled and attached to the outer peripheral surface of a rubber tube formed by extrusion molding or the like, and the outer periphery thereof is weather-resistant depending on the application. In order to impart wear resistance and wear resistance, a cover rubber was attached to cover the outer rubber layer.

【0004】[0004]

【発明が解決しようとする問題点】然しながら、従来の
補強層は、上述したようにシート状の補強布をすし巻き
状にして貼付ける構造であるため、補強布の継ぎ目(ラ
ップ)部分ができ、寸法安定性が悪く、また耐圧性を増
すために多層構造にした場合には、重量が大きくなる
上、大型化することになり、更に生産性が悪いと言う問
題があった。
However, since the conventional reinforcing layer has a structure in which a sheet-like reinforcing cloth is sushi-rolled and is attached as described above, a seam (wrap) portion of the reinforcing cloth is formed. However, when the dimensional stability is poor and the multilayer structure is used to increase the pressure resistance, there is a problem that the weight becomes large and the size becomes large, and the productivity is further deteriorated.

【0005】この発明は、かかる従来の課題に着目して
案出されたもので、補強層の構造を編組機械を用いて補
強糸により連続的に編み込んだ構造とすることにより、
補強布の継ぎ目(ラップ)部分がなくなって寸法安定性
が向上し、また補強糸の編み込み量や、補強糸を選択す
ることによって、耐圧性を増す構造にすることが出来、
更に軽量でコンパクトにすることが出来ると共に、生産
性を向上させることが出来るインフレートシール部材の
製造方法を提供することを目的とするものである。
The present invention has been devised in view of such conventional problems, and the structure of the reinforcing layer is formed by continuously knitting with a reinforcing yarn by using a braiding machine.
Dimensional stability is improved by eliminating the seam (wrap) part of the reinforcing cloth, and the pressure resistance can be increased by selecting the braiding amount of the reinforcing thread and the reinforcing thread.
It is another object of the present invention to provide a method for manufacturing an inflatable seal member, which can be made lighter and more compact, and which can improve productivity.

【0006】[0006]

【課題を解決するための手段】この発明は上記目的を達
成するため、押出し機から押し出されたゴムチューブの
外周面に、編組機械により補強糸を連続的に編み込んで
補強層を形成し、その外周面にカバーゴムを押し出して
外面ゴム層を被覆形成し、このようにして成形された未
加硫成形品を所定の長さに切断した後、上下のモールド
内に収容して加硫成形することを要旨とするものであ
る。また、前記補強層を形成する補強糸を、伸縮性を有
する材料としたり、補強糸の編み込み量を任意に調整す
ることも可能である。
In order to achieve the above object, the present invention forms a reinforcing layer by continuously knitting a reinforcing yarn on the outer peripheral surface of a rubber tube extruded from an extruder by a braiding machine. The cover rubber is extruded on the outer peripheral surface to form the outer rubber layer, and the unvulcanized molded product molded in this way is cut into a predetermined length and then housed in the upper and lower molds for vulcanization molding. This is the summary. It is also possible to use a stretchable material as the reinforcing yarn forming the reinforcing layer, or to arbitrarily adjust the braiding amount of the reinforcing yarn.

【0007】[0007]

【発明の作用】この発明は上記のように構成され、ゴム
チューブとカバーゴムとの間に形成する補強層を、編組
機械を用いて補強糸により連続的に編み込んで構成する
ことにより、従来のような補強布の継ぎ目(ラップ)部
分がなくなって、寸法安定性が向上させることが出来、
また補強糸の編み込み量を要求するインフレートシール
部材に合わせて形成出来る結果、耐圧性や硬さにバリエ
ーションを増すことが出来、更に補強糸を選択すること
によって、軽量でコンパクトにすることが出来るもので
ある。
The present invention is constructed as described above, and the reinforcing layer formed between the rubber tube and the cover rubber is continuously knitted by the reinforcing yarn by using a braiding machine. Since there is no seam (wrap) part of the reinforcing cloth like this, dimensional stability can be improved,
Further, as a result of being able to be formed in conformity with the inflatable seal member that requires the braiding amount of the reinforcing thread, variations in pressure resistance and hardness can be increased, and by selecting the reinforcing thread, it is possible to make it lightweight and compact. It is a thing.

【0008】また、補強糸の編み込み量を粗とした場合
には、編組した補強糸を介してチューブゴムが外側に吹
き出し、カバーゴムと接合するので、接着剤等を用いる
ことなく加硫後には、強固な構造体とすることが出来る
ものである。また、インフレートシール部材の構造体
は、連続製造であるので、用途に合わせた無限の長さの
製品も製造することが可能である。
Further, when the braiding amount of the reinforcing yarn is made coarse, the tube rubber blows out through the braided reinforcing yarn and joins with the cover rubber, so that after vulcanization without using an adhesive or the like. , Which can be a strong structure. Further, since the structure of the inflatable seal member is continuously manufactured, it is possible to manufacture a product having an infinite length according to the application.

【0009】[0009]

【発明の実施例】以下、添付図面に基づき、この発明の
実施例を説明する。図1は、この発明の製造方法により
製造したインフレートシール部材1の断面図を示し、一
点鎖線は、インフレートシール部材1が膨出した状態の
輪郭を示している。
Embodiments of the present invention will be described below with reference to the accompanying drawings. FIG. 1 is a cross-sectional view of the inflatable seal member 1 manufactured by the manufacturing method of the present invention, and the alternate long and short dash line shows the contour of the inflated seal member 1 in a swollen state.

【0010】前記インフレートシール部材1は、ゴム状
弾性材料であるチューブゴム2と外面ゴム層3との間
に、編組機械を用いて補強糸により連続的に編み込んだ
補強層4が形成されている。上記のような構成のインフ
レートシール部材1は、図2の(a)〜(e)に示すよ
うな工程により製造されるものである。
In the inflatable seal member 1, a reinforcing layer 4 which is continuously knitted by a reinforcing yarn using a braiding machine is formed between a tube rubber 2 which is a rubber-like elastic material and an outer rubber layer 3. There is. The inflatable seal member 1 having the above structure is manufactured by the steps shown in FIGS. 2 (a) to 2 (e).

【0011】即ち、図2の(a)に示すように、図示し
ない押出し機から押し出された未加硫ゴムのゴムチュー
ブ2の外周面に、図2の(b)に示すように、図示しな
い編組機械により補強糸4aを連続的に編み込んで補強
層4を形成する。次いで、図2の(c)に示すように、
ゴムチューブ2の外周面に編組した補強層4上に、図示
しない押出し機からカバーゴムを押し出して外面ゴム層
3を被覆形成し、このようにして成形された未加硫成形
品を所定の長さに切断する。
That is, as shown in FIG. 2 (a), not shown on the outer peripheral surface of the rubber tube 2 of unvulcanized rubber extruded from an extruder not shown, as shown in FIG. 2 (b). The reinforcing yarn 4a is continuously knitted by the braiding machine to form the reinforcing layer 4. Then, as shown in FIG.
On the reinforcing layer 4 braided on the outer peripheral surface of the rubber tube 2, a cover rubber is extruded from an extruder (not shown) to cover and form the outer surface rubber layer 3, and the unvulcanized molded product molded in this manner has a predetermined length. Cut into pieces.

【0012】このようにして成形されたインフレートシ
ール部材の未加硫成形品に、予め準備してあるインフレ
ート用の口金5を所定位置に装着し、その後、図2の
(d)に示すように、インフレートシール部材1の成形
用の上モールド6aと下モールド6b内に配設して、プ
レス成形により加熱,加硫を行って図2の(e)に示す
ようなインフレートシール部材1を製造するものであ
る。
An unvulcanized molded product of the inflatable seal member molded in this manner is fitted with a preliminarily prepared inflating mouthpiece 5 at a predetermined position, and then, shown in FIG. 2 (d). As described above, the inflatable seal member 1 is disposed in the upper mold 6a and the lower mold 6b for molding, and is heated and vulcanized by press molding to form an inflatable seal member as shown in FIG. 2 (e). 1 is manufactured.

【0013】上記、補強層4を構成する補強糸4aを、
伸縮可能な巻縮糸,伸縮糸,仮撚糸等を使用することに
よって、補強層4の変形に対する自由度が大きくなり、
補強層4とチューブゴム2及び外面ゴム層3との界面に
おける剪断応力も小さくなり、界面での破壊を有効に抑
えることが出来るものである。また、上記のように補強
層4を、編組機械を用いて補強糸4aにより連続的に編
み込んで構成することにより、従来のような補強布の継
ぎ目(ラップ)部分がなくなって、寸法安定性が向上さ
せることが出来、また補強糸4aの編み込み量を要求す
るインフレートシール部材に合わせて形成出来、この結
果、耐圧性や硬さにバリエーションを増すことが出来、
更に軽量でコンパクトにすることが出来るものである。
The reinforcing yarn 4a forming the reinforcing layer 4 is
By using stretchable crimped yarn, stretchable yarn, false twisted yarn, etc., the degree of freedom for deformation of the reinforcing layer 4 increases,
The shear stress at the interface between the reinforcing layer 4, the tube rubber 2 and the outer rubber layer 3 is also reduced, and the breakage at the interface can be effectively suppressed. Further, as described above, the reinforcing layer 4 is continuously knitted with the reinforcing yarn 4a by using a braiding machine, so that the seam (lap) portion of the conventional reinforcing cloth is eliminated and the dimensional stability is improved. It can be improved and can be formed in accordance with the inflatable seal member that requires the amount of the reinforcing thread 4a to be woven in. As a result, variations in pressure resistance and hardness can be increased,
Further, it is lightweight and can be made compact.

【0014】また、補強糸4aの編み込み量を粗とした
場合には、編組した補強糸4aを介してチューブゴム2
が外側に吹き出し、カバーゴムと接合するので、接着剤
等を用いることなく加硫後には、強固な構造体とするこ
とが出来るものである。また、インフレートシール部材
の構造体は、連続製造であるので、用途に合わせた無限
の長さの製品も製造することが可能である。また、イン
フレートシール部材1に内圧をかける方法としては、気
体,液体等の流体の使用が考えられ、インフレートシー
ル部材1の使用上の容易さより、空気圧の使用が一般的
であり、使用圧力としては、1.5 〜2.0 Kgf/cm2であ
る。
Further, when the braiding amount of the reinforcing yarn 4a is coarse, the tube rubber 2 is inserted through the braided reinforcing yarn 4a.
Since it blows out to the outside and is bonded to the cover rubber, a strong structure can be obtained after vulcanization without using an adhesive or the like. Further, since the structure of the inflatable seal member is continuously manufactured, it is possible to manufacture a product having an infinite length according to the application. As a method of applying an internal pressure to the inflatable seal member 1, use of a fluid such as a gas or a liquid is considered, and air pressure is generally used because of ease of use of the inflatable seal member 1. Is 1.5 to 2.0 Kgf / cm 2 .

【0015】[0015]

【発明の効果】この発明は、上記のように押出し機から
押し出されたゴムチューブの外周面に、編組機械により
補強糸を連続的に編み込んで補強層を形成し、その外周
面にカバーゴムを押し出して外面ゴム層を被覆形成し、
このようにして成形された未加硫成形品を所定の長さに
切断した後、上下のモールド内に収容して加硫成形する
ので、以下のような優れた効果を奏するものである。 .補強層を、編組機械を用いて補強糸により連続的に
編み込んで構成することにより、従来のような補強布の
継ぎ目(ラップ)部分がなくなって、寸法安定性が向上
させることが出来る。 .また補強糸の編み込み量を要求するインフレートシ
ール部材に合わせて形成出来る結果、耐圧性や硬さにバ
リエーションを増すことが出来、更に補強糸を選択する
ことによって、軽量でコンパクトにすることが出来るも
のである。 .補強糸の編み込み量を粗とした場合には、編組した
補強糸を介してチューブゴムが外側に吹き出し、カバー
ゴムと接合するので、接着剤等を用いることなく加硫後
には、強固な構造体とすることが出来る。 .インフレートシール部材の構造体は、連続製造であ
るので、用途に合わせた無限の長さの製品も製造するこ
とが可能であり、生産性を向上出来る。
Industrial Applicability According to the present invention, a reinforcing yarn is continuously knitted by a braiding machine on the outer peripheral surface of a rubber tube extruded from an extruder as described above to form a reinforcing layer, and a cover rubber is provided on the outer peripheral surface. Extrude to form an outer rubber layer,
The unvulcanized molded product molded in this manner is cut into a predetermined length and then housed in the upper and lower molds for vulcanization molding, so that the following excellent effects are exhibited. . By constructing the reinforcing layer by continuously braiding the reinforcing yarn with a braiding machine, it is possible to improve the dimensional stability by eliminating the conventional seam (lap) portion of the reinforcing cloth. . Further, as a result of being able to be formed in conformity with the inflatable seal member that requires the braiding amount of the reinforcing thread, variations in pressure resistance and hardness can be increased, and by selecting the reinforcing thread, it is possible to make it lightweight and compact. It is a thing. . When the braiding amount of the reinforcing yarn is coarse, the tube rubber blows out through the braided reinforcing yarn and joins with the cover rubber, so that a strong structure is obtained after vulcanization without using an adhesive or the like. Can be . Since the structure of the inflatable seal member is continuously manufactured, it is possible to manufacture a product having an infinite length according to the use, and productivity can be improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】この発明の製造方法により製造したインフレー
トシール部材の断面図を示し、一点鎖線は、インフレー
トシール部材が膨出した状態の輪郭を示している。
FIG. 1 is a cross-sectional view of an inflatable seal member manufactured by a manufacturing method according to the present invention, and a dashed line shows a contour of the inflated seal member.

【図2】(a)〜(e)は、インフレートシール部材の
製造工程を示す説明図である。
2A to 2E are explanatory views showing a manufacturing process of an inflatable seal member.

【符号の説明】[Explanation of symbols]

1 インフレートシール部材 2 チューブゴ
ム(筒状体) 3 外面ゴム層 4 補強層 4a 補強糸 5 口金 6a 上モールド 6b 下モール
DESCRIPTION OF SYMBOLS 1 Inflatable seal member 2 Tube rubber (cylindrical body) 3 Outer rubber layer 4 Reinforcing layer 4a Reinforcing yarn 5 Base 6a Upper mold 6b Lower mold

───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 FI 技術表示箇所 B29K 105:24 B29L 23:00 ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location B29K 105: 24 B29L 23:00

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 押出し機から押し出されたゴムチューブ
の外周面に、編組機械により補強糸を連続的に編み込ん
で補強層を形成し、その外周面にカバーゴムを押し出し
て外面ゴム層を被覆形成し、このようにして成形された
未加硫成形品を所定の長さに切断した後、上下のモール
ド内に収容して加硫成形することを特徴とするインフレ
ートシール部材の製造方法。
1. A reinforcing layer is formed by continuously knitting a reinforcing yarn on a peripheral surface of a rubber tube extruded from an extruder by a braiding machine, and a cover rubber is extruded on the outer peripheral surface to form an outer rubber layer. Then, the unvulcanized molded product thus molded is cut into a predetermined length, and then housed in the upper and lower molds for vulcanization molding, which is a method for manufacturing an inflatable seal member.
【請求項2】 前記補強層を形成する補強糸を、伸縮性
を有する材料とした請求項1に記載のインフレートシー
ル部材の製造方法。
2. The method for manufacturing an inflatable seal member according to claim 1, wherein the reinforcing yarn forming the reinforcing layer is made of a material having elasticity.
【請求項3】 前記補強糸の編み込み量を任意に調整す
る請求項1に記載のインフレートシール部材の製造方
法。
3. The method for manufacturing an inflatable seal member according to claim 1, wherein the amount of the braided reinforcing thread is arbitrarily adjusted.
JP7009261A 1995-01-24 1995-01-24 Manufacture of inflate seal member Pending JPH08197604A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7009261A JPH08197604A (en) 1995-01-24 1995-01-24 Manufacture of inflate seal member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7009261A JPH08197604A (en) 1995-01-24 1995-01-24 Manufacture of inflate seal member

Publications (1)

Publication Number Publication Date
JPH08197604A true JPH08197604A (en) 1996-08-06

Family

ID=11715496

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7009261A Pending JPH08197604A (en) 1995-01-24 1995-01-24 Manufacture of inflate seal member

Country Status (1)

Country Link
JP (1) JPH08197604A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362424A (en) * 2012-04-05 2013-10-23 和承R&A株式会社 Packing material for hatch cover and manufacturing method thereof
CN110539428A (en) * 2019-10-15 2019-12-06 咸阳裕华橡胶制品有限公司 Preparation method of rubber sealing element and vulcanization mold thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103362424A (en) * 2012-04-05 2013-10-23 和承R&A株式会社 Packing material for hatch cover and manufacturing method thereof
CN103362424B (en) * 2012-04-05 2015-09-16 和承Ra株式会社 Hatch board encapsulant and manufacture method thereof
CN110539428A (en) * 2019-10-15 2019-12-06 咸阳裕华橡胶制品有限公司 Preparation method of rubber sealing element and vulcanization mold thereof

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