JPS60241595A - Pipe connecting system - Google Patents

Pipe connecting system

Info

Publication number
JPS60241595A
JPS60241595A JP60079158A JP7915885A JPS60241595A JP S60241595 A JPS60241595 A JP S60241595A JP 60079158 A JP60079158 A JP 60079158A JP 7915885 A JP7915885 A JP 7915885A JP S60241595 A JPS60241595 A JP S60241595A
Authority
JP
Japan
Prior art keywords
insert
pipe connection
connection system
casing
tube
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
JP60079158A
Other languages
Japanese (ja)
Inventor
ルイス　プユエロ　ドウアルテ
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.)
INDOUSUTORIASU BURUKA SA
Original Assignee
INDOUSUTORIASU BURUKA SA
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 INDOUSUTORIASU BURUKA SA filed Critical INDOUSUTORIASU BURUKA SA
Publication of JPS60241595A publication Critical patent/JPS60241595A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/74—Moulding material on a relatively small portion of the preformed part, e.g. outsert moulding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L31/00—Arrangements for connecting hoses to one another or to flexible sleeves
    • F16L31/02—Arrangements for connecting hoses to one another or to flexible sleeves for branching hoses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • B29L2031/246—T-joints

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 Ｉｌｌ上立■月１１ 本発明は、流体回路用管の接続システム、特に乗り物に
おける熱交換回路用管の接続システムに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a connection system for pipes for fluid circuits, and particularly to a connection system for pipes for heat exchange circuits in vehicles.

従来の技　びその問題点 これらの回路は通常複数の管を備えている。これらの管
は、硬質及び可撓性のものがあり、エンジン又は装置の
様々な部分を接続しており、各々の管は独自の適切な断
面を有している。Conventional Techniques and Problems These circuits typically include multiple tubes. These tubes can be rigid or flexible and connect various parts of the engine or equipment, each tube having its own suitable cross-section.

乗り物の製造工程に於ては、数々の回路、特に水のため
のものを該乗り物内に構成しなければならない。これら
の回路には、ラジェターからエンジンに延びるもののほ
か、ラジェター及び／又はエンジンを乗り物の内部加熱
装置に接続するもの、加熱されるべき他の部分に接続さ
れるもの等がある。During the manufacturing process of a vehicle, a number of circuits, particularly those for water, must be constructed within the vehicle. These circuits include those that run from the radiator to the engine, those that connect the radiator and/or the engine to internal heating systems of the vehicle, and those that connect to other parts to be heated.

乗り物製造業界における最近の傾向によれば、エンジン
は非常な高温で運転され、大きなｍ度差の存在が避けら
れている。According to recent trends in the vehicle manufacturing industry, engines are operated at very high temperatures to avoid the presence of large degree differences.

従って高温水が流れる回路は、破裂や径方向の変形を生
じさせるような一定の負荷に対し耐えることができ、リ
ークを防止しうるという厳しい要求に応えることができ
るエレメントで形成されなければならない。このため、
該回路はゴム又は合成樹脂で形成され、通常いずれの場
合にも繊維により強化されている。Therefore, the circuit through which the hot water flows must be constructed of elements that can withstand certain loads that could lead to bursting or radial deformation, and that can meet the stringent requirements of being able to prevent leaks. For this reason,
The circuit is made of rubber or synthetic resin and is usually reinforced in each case with fibers.

しかしながら、管を接続する際には、前述の如き要求に
応えることができる必要な強度及び水密性を有しない弱
い部分が形成される虞れがある。However, when connecting pipes, there is a risk of forming weak sections that do not have the necessary strength and watertightness to meet the above-mentioned requirements.

この種の接続をなす一つの公知方法が乗り物製造工程に
於て採用されている。尤もこの方法は、乗り物製造工場
に於てのみ使用されている。この接続方法は異なる径の
クランプ及び異なる径や長さの管における広範囲の部分
を必要とし、供給上の問題及び長い組立て時間を要する
という問題を生じさせていた。One known method of making this type of connection is employed in vehicle manufacturing processes. However, this method is only used in vehicle manufacturing factories. This connection method required clamps of different diameters and extensive sections of tubing of different diameters and lengths, creating supply problems and long assembly times.

従って製造業界ではすべての接続部分が既に形成され、
そのまま乗り物に装着されうるユニットとして形成され
た完全な回路がめられた。この完全な回路は、前述の厳
しい要求に応じるものでなければならないことは勿論で
ある。Therefore, in the manufacturing industry, all connections are already formed and
A complete circuit formed as a unit that can be installed directly into a vehicle was developed. This complete circuit must, of course, meet the stringent requirements mentioned above.

このような接続を行なう一つの方法としで、管に円形状
の孔を設け、他の管の一端をこの孔に差込み、接続され
るべき管の内部にコアを挿入し、前記管の外側部分にゴ
ムその他の材料を鋳込み又はモールドし、その後前記コ
アを取除くという方法が知られている。しかしながら、
この方法によると、２つの管が接触する孔の周囲が、鋳
込まれたゴムによってのみ覆われており、該ゴムは管を
形成する材料よりも弱いため孔周辺部分が弱くなるとい
う難点を有していた。One method of making such a connection is to provide a circular hole in the tube, insert one end of the other tube into this hole, insert the core inside the tube to be connected, and insert the core into the outer part of said tube. It is known to cast or mold rubber or other material into the core and then remove the core. however,
According to this method, the area around the hole where the two tubes come into contact is covered only by the cast rubber, which is weaker than the material forming the tube, so it has the disadvantage that the area around the hole becomes weak. Was.

本発明は、このような従来技術の問題点を解決した管接
続システムを提供することを目的とする。An object of the present invention is to provide a pipe connection system that solves the problems of the prior art.

を　するための 本発明の前記目的は、複数の突出した口部を有した硬質
管状インサートと、前記口部の端部を嵌入させて前記口
部に接続された管と、前記インサート及び管の端部の少
くとも一部を覆うようにゴム又は合成樹脂を鋳込んで形
成されたケーシングとを備えていることを特徴とする流
体回路用管の接続システムにより達成される。The object of the present invention is to provide a rigid tubular insert having a plurality of protruding mouths, a tube connected to the mouth by fitting the ends of the mouths, and a combination of the insert and the tube. This is achieved by a fluid circuit pipe connection system characterized by comprising a casing formed by casting rubber or synthetic resin so as to cover at least a portion of the end portion.

−１−１ 以下、本発明を添付図面に示す実施例とともに説明する
。-1-1 The present invention will be described below along with embodiments shown in the accompanying drawings.

図に示す分岐型管接続部（１）は、複数の管を接続する
のに使用されるものである。この管接続部（１）によっ
て接続される管の形態は、例えば一本の管（２）の２つ
の部分（２ａ）、（２ｂ）の接続、管（２ａ）、（２ｂ
）から分岐する管（３）の接続、浄化部分の接続、及び
これらの組合せ等が挙げられる。The branch type pipe connection part (1) shown in the figure is used to connect a plurality of pipes. The form of the pipe connected by this pipe connection part (1) is, for example, the connection of two parts (2a), (2b) of one pipe (2), the pipe (2a), (2b), etc.
), a connection of a pipe (3) branching from a pipe (3), a connection of a purification section, and a combination thereof.

管接続部（１）は、硬質の管状インサート（４）を備え
ており、該インサート（４）はガラスＩ！維で強化され
たポリアミドにより製作されるのが望ましい。インサー
ト（４）は、流体回路を形成する管の部分に対し、同程
度の強度又はより強い強度を有する。インサート（４）
は、複数の突出した口部を有している。この例では、３
つの口部（６ａ）、（６ｂ）、（７）を有し、はぼＴ字
状のものが示されているが、インサートはより多くの突
出した口部を有して、例えば十字状、Ｈ字状等の形状を
有したものとすることができる。突出した口部（６ａ）
、（７ａ）の端部には、管（２）、（３）の接続を容易
にするための環状溝（８）を設けることが望ましい。The tube connection (1) is provided with a rigid tubular insert (4), which insert (4) is made of glass I! Preferably, it is made of fiber-reinforced polyamide. The insert (4) has a similar or greater strength to the part of the tube forming the fluid circuit. insert (4)
has a plurality of protruding mouths. In this example, 3
Although shown as having three mouths (6a), (6b), (7) and having a T-shape, inserts may have more prominent mouths, e.g. It may have an H-shape or the like. Protruding mouth (6a)
, (7a) are preferably provided with an annular groove (8) to facilitate the connection of the tubes (2), (3).

インサートの口部（６）、（７）は、接続されるべき管
（２）、（３）の内側に嵌入され、モールド操作を経た
後、ケーシング（５）が取付けられる。ケーシング（５
）は、合成樹脂又はゴムでできており、インサート（４
）及び管の端部（２１）の少くとも一部を覆うように取
付けられ、管の口部（２２）もケーシング（５）により
覆われる。ケーシング（５）により、管とインサート（
４）との闇のわずかな間隙又はクラックは密にシールさ
れ、且つ管とインサートとの結合が強化される。他の例
においては、管の端部（２１）のまわりにリング（２３
）が嵌められ、管はインサート（４）の口部（６）、（
７）に対し強く押付けられる。リング（２３）はケーシ
ング（５）により覆われる。リング（２３）は、第８図
に破線で示すように異常な変形や膨張が生じる虞れがあ
る厳しい環境において、これら変形から保護する役割を
なす。この膨張が管の口部端面（２２）にまで達すると
管の内側の圧力がケーシング（５）に及ぶこととなる。The mouth parts (6), (7) of the insert are fitted inside the pipes (2), (3) to be connected, and after a molding operation, the casing (5) is attached. Casing (5
) is made of synthetic resin or rubber, and the insert (4
) and at least a part of the end (21) of the tube, and the mouth (22) of the tube is also covered by the casing (5). The casing (5) allows the tube and insert (
4) Any small gaps or cracks between the tube and the insert are tightly sealed and the bond between the tube and the insert is strengthened. In another example, a ring (23) is placed around the end (21) of the tube.
) is fitted, and the tube is inserted into the mouth (6) of the insert (4), (
7) is strongly pressed against. The ring (23) is covered by a casing (5). The ring (23) serves to protect against abnormal deformation or expansion in harsh environments where such deformation or expansion may occur, as shown by the broken line in FIG. When this expansion reaches the mouth end surface (22) of the tube, the pressure inside the tube will be applied to the casing (5).

ケーシング（５）は前述の如く管及びインサート程の強
度を有していないため、リークが生じる虞れがあるが、
このリークはリング（２３）の圧力により防止される。As mentioned above, the casing (5) does not have the same strength as the tube and insert, so there is a risk of leakage.
This leakage is prevented by the pressure of the ring (23).

分岐型管接続部（１）の形成は、前述の説明から明らか
な如く以下のようにして行なわれる。インサート（４）
の突出した口部（６）、（。７）の端部が、接続される
べき管（２）、（３）に嵌入される。このときの緊密な
嵌合は、リング（２３）により強化される。こうして得
られたアッセンブリーは、ケーシング（５）を設けるた
めの鋳込み又はモールディングを行なうべく型（２３）
内に一嵌込まれる。As is clear from the above description, the branch type pipe connection (1) is formed as follows. insert (4)
The ends of the protruding mouths (6), (.7) are fitted into the tubes (2), (3) to be connected. The tight fit at this time is reinforced by the ring (23). The assembly thus obtained is placed in a mold (23) for casting or molding to provide a casing (5).
It is inserted inside.

前記アッセンブリーを型（２５）内で適切に中心状めを
するために、インサート（４）にはほぼ半径方向に延び
るタブ（９）を設け゛ることができる（第３図及び第５
図参照）。タブ（９）は、ケーシング（５）のモールド
操作の同インサート（４）を動かないように保持する。In order to properly center said assembly in the mold (25), the insert (4) may be provided with a generally radially extending tab (9) (see FIGS. 3 and 5).
(see figure). The tabs (9) hold the same insert (4) of the mold operation in the casing (5) immobile.

タブ（９）は次の場合には必ずしも必要ではない。鋳込
み材料がほぼ反対方向を成す２つの方向、から型内に供
給される場合は、前記アッセンブリーはタブ（９）が無
くても動がないように充分に保持され、中心位置を保持
する。第９図には、このように反対方向から鋳込み材料
を供給するためのランナー（２６）、（２７）が示され
ている。Tab (9) is not necessarily necessary in the following cases. If the casting material is fed into the mold from two substantially opposite directions, the assembly is held sufficiently stationary and centered even without the tabs (9). FIG. 9 shows runners (26) and (27) for supplying casting material from opposite directions in this manner.

第６図及び第７図に更に他の例を示す。この例の分岐型
管接続部（１）に於ては口部（７′）は本管接続部を装
着した流体回路の浄化用部として使用される。このため
、口部（７′）の内面には、栓（１１）を保持するため
の雌ネジ（１ｏ）が設けられている。栓（１１）は、可
撓性材料からなるワッシャ（１２）を有し、軸線方向に
溝（１３）が設けられている。溝（１３）は、栓（１１
）が完全に引抜かれなくても、後方に引かれるだけで管
（２）、（３）から流体を流出させることが出来るよう
に設けられている。第７図に示す例においては、ケーシ
ング（５）は、ネジ付き口部（７′）の側壁を覆うとと
もに第６図の例の可撓性ワッシャ（１２）に相当する小
さなオーバーハング部（２７）を形成している。Still other examples are shown in FIGS. 6 and 7. In this embodiment of the branched pipe connection (1) the mouth (7') is used as a purifying part of the fluid circuit fitted with the main pipe connection. For this reason, a female thread (1o) for holding the stopper (11) is provided on the inner surface of the mouth (7'). The plug (11) has a washer (12) made of flexible material and is provided with an axial groove (13). The groove (13) is connected to the stopper (11
) is provided so that the fluid can flow out from the tubes (2) and (3) by simply pulling it backwards, even if the tubes (2) and (3) are not completely withdrawn. In the example shown in Figure 7, the casing (5) covers the side wall of the threaded mouth (7') and has a small overhang (27) corresponding to the flexible washer (12) in the example of Figure 6. ) is formed.

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

図は本発明の実施例を示すもので、第１図は本発明管接
続システムにより接続された管を示す斜面図、第２図は
管接続部を示す正面図、第３図は第２図の厘−■線に沿
う断面図、第４図は第３図のＩＶ−ＩＶ線に沿う断面図
、第５図はインサートの一例の斜面図、第６図は線状部
を備えた接続部分を示す縦断正面図、第７図は浄化部を
備えた管接続部の第６図とは異なる例を示す縦断正面図
、第８図はリングを備えた管接続部を備えた例の縦断正
面図、第９図はケーシングを鋳込むための型を管接続部
とともに示す横断面図である。 （１）・・・管接続部、 （２）、（３）・・・管、 （４）・・・インサート、 （５）・・・ケーシング、 （６）、（７）・・・突出した口部、 （９）・・・タブ、 （１０）・・・雌ネジ、 （１１）・・・栓、 （１２）・・・ワッシャ、 （１３）・・・溝、 （２３）・・・リング、 （２５）・・・型、 （２７）・・・オーバーハング部。 （以　上）The figures show embodiments of the present invention; FIG. 1 is a perspective view showing pipes connected by the pipe connection system of the present invention, FIG. 2 is a front view showing a pipe connection part, and FIG. Figure 4 is a cross-sectional view taken along line IV--IV in Figure 3, Figure 5 is a perspective view of an example of the insert, Figure 6 is a connecting part with a linear part. 7 is a longitudinal sectional front view showing an example different from Fig. 6 of a pipe connection section equipped with a purifying section, and FIG. 8 is a longitudinal sectional front view of an example equipped with a pipe connection section equipped with a ring. FIG. 9 is a cross-sectional view showing a mold for casting a casing together with a pipe connection. (1)...Pipe connection, (2), (3)...Pipe, (4)...Insert, (5)...Casing, (6), (7)...Protruding Mouth, (9)...Tab, (10)...Female thread, (11)...Plug, (12)...Washer, (13)...Groove, (23)... Ring, (25)...Mold, (27)...Overhang part. (that's all)

Claims (1)

【特許請求の範囲】 ■　複数の突出した口部を有した硬質管状インサートと
、前記口部の端部を歳入させて前記口部に接続された管
と、前記インサート及び管の端部の少くとも一部を覆う
ようにゴム又は合成樹脂を鋳込んで形成されたケーシン
グとを備えていることを特徴とする流体回路用管の接続
システム。 ■　前記管の端部に該管を前記インサードロ部に対し緊
密に押圧するための弾性リングが設けられ該リングは前
記ケーシングにより覆われていることを特徴とする特許
請求の範囲第１項に記載の管接続システム。 ■　前記インサートが、前記ケーシングの鋳込みの際に
該インサートが動かないように保持されうるように、は
ぼ半径方向に延びたタブを備えていることを特徴とする
特許請求の範囲第１項に記載の管接続システム。 ■　前記インサートが栓を螺入させるための雌ネジを前
記口部の内面に備えていることを特徴とする特許請求の
範囲第１項に記載の管接続システム。 ■　前記栓が、前記ネジ付き口部に螺入せしめられる部
分の外面に、該栓の軸線方向にほぼ平行に延びる溝を備
えており、該溝は、前記栓が前記口部から完全に抜かれ
なくても前記インサートの内部を外部に対し連通させる
ことができるように設けられていることを特徴とする特
許請求の範囲第４項に記載の管接続システム。 ■　前記ネジ付き口部と前記栓との間に可撓性材料から
なるワッシャが備えられていることを特徴とする特許請
求の範囲第４項に記載の管接続システム。 ■　前記ケーシングが、前記ネジ付き口部の外側壁を覆
っており、且つ可撓性材料ワッシャとして作用するオー
バーハング部を形成していることを特徴とする特許請求
の範囲第４項に記載の管接続システム。[Claims] ■ A rigid tubular insert having a plurality of protruding mouths, a tube connected to the mouth by retracting the ends of the mouths, and a plurality of the ends of the insert and the tube. 1. A fluid circuit pipe connection system comprising: a casing formed by casting rubber or synthetic resin so as to partially cover the casing; (2) An elastic ring is provided at the end of the tube for tightly pressing the tube against the inner draw portion, and the ring is covered by the casing, according to claim 1. pipe connection system. (1) The insert is provided with a tab extending in the radial direction so that the insert can be held stationary during casting of the casing. The pipe connection system described. (2) The pipe connection system according to claim 1, wherein the insert is provided with a female thread on the inner surface of the mouth portion into which a stopper is screwed. (2) The stopper is provided with a groove extending substantially parallel to the axial direction of the stopper on the outer surface of the portion that is screwed into the threaded opening, and the groove is formed so that the stopper is completely removed from the opening. 5. The pipe connection system according to claim 4, wherein the pipe connection system is provided so that the inside of the insert can be communicated with the outside even without the insert. (2) A pipe connection system according to claim 4, characterized in that a washer made of a flexible material is provided between the threaded opening and the plug. (c) the casing forms an overhang covering the outer wall of the threaded mouth and acting as a flexible material washer; Pipe connection system.
JP60079158A 1984-04-13 1985-04-12 Pipe connecting system Pending JPS60241595A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES1984278800U ES278800Y (en) 1984-04-13 1984-04-13 MULTIPLE CONNECTION PIECE OF FLUID CIRCUITS
ES278800 1984-04-13

Publications (1)

Publication Number Publication Date
JPS60241595A true JPS60241595A (en) 1985-11-30

Family

ID=8430242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60079158A Pending JPS60241595A (en) 1984-04-13 1985-04-12 Pipe connecting system

Country Status (10)

Country Link
JP (1) JPS60241595A (en)
BE (1) BE902135A (en)
DE (1) DE3512410C3 (en)
ES (1) ES278800Y (en)
FR (1) FR2562986A1 (en)
GB (1) GB2157386B (en)
IT (1) IT1184411B (en)
NL (1) NL8500962A (en)
PT (1) PT80200B (en)
SE (1) SE8501790L (en)

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US5356587A (en) * 1991-10-14 1994-10-18 Toyoda Gosei Co., Ltd. Process for producing hose having connecting portion

Also Published As

Publication number Publication date
ES278800U (en) 1984-11-16
DE3512410C2 (en) 1992-12-10
PT80200B (en) 1987-05-29
PT80200A (en) 1985-05-01
FR2562986A1 (en) 1985-10-18
ES278800Y (en) 1985-08-01
SE8501790L (en) 1985-10-14
DE3512410A1 (en) 1985-11-28
BE902135A (en) 1985-07-31
GB8507404D0 (en) 1985-05-01
IT1184411B (en) 1987-10-28
NL8500962A (en) 1985-11-01
DE3512410C3 (en) 1999-11-25
GB2157386A (en) 1985-10-23
GB2157386B (en) 1987-07-29
IT8520289A0 (en) 1985-04-10
SE8501790D0 (en) 1985-04-11

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