JPS5993669A - Valve body of pressure type injection vessel - Google Patents
Valve body of pressure type injection vesselInfo
- Publication number
- JPS5993669A JPS5993669A JP58161825A JP16182583A JPS5993669A JP S5993669 A JPS5993669 A JP S5993669A JP 58161825 A JP58161825 A JP 58161825A JP 16182583 A JP16182583 A JP 16182583A JP S5993669 A JPS5993669 A JP S5993669A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- sealing sleeve
- cup
- head
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/44—Valves specially adapted therefor; Regulating devices
- B65D83/46—Tilt valves
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】 技術分野 本発明は、加圧式噴射容器の弁体に関するものである。[Detailed description of the invention] Technical field The present invention relates to a valve body for a pressurized injection container.
更に詳述すれば、上記弁体は、容器に固定する弁カップ
と、弁カツプ内に設りた開化を貫通し、弁頭及び該弁頭
より離間ぜしめた肩部を設けた弁棒と、弁頭に隣接する
弁棒部に設けたボート部と、弁棒を包囲すると共に弁頭
とＭ部間に位置する弾性シール用スリーブとにより構成
される。More specifically, the valve body includes a valve cup fixed to a container, a valve stem passing through an opening provided in the valve cup, and having a valve head and a shoulder spaced apart from the valve head. , a boat part provided on the valve stem adjacent to the valve head, and an elastic sealing sleeve surrounding the valve stem and located between the valve head and the M part.
上述の如き弁体は、以下に、′前述タイプの弁体”とい
う。A valve body as described above will hereinafter be referred to as ``valve body of the aforementioned type''.
従来技術
前述タイプの弁体に於ける問題点は、シール用スリーブ
が、詰込圧力により弁棒に把握されているので、弁棒と
共に移動しやすいという点である。A problem with prior art valve bodies of the type described above is that the sealing sleeve is held against the valve stem by the filling pressure and therefore tends to move with the valve stem.
この為、シール用スリーブが、取り利はカップより離れ
て」二昇し、弁が意図した如く開くよりは、むしろ、漏
洩する傾向を生じる。その結果、従来の前述のタイプの
弁体では、特に高圧状態で開放が極めて困雉であるか、
又は、開放時に、望ましくないスナップ動作（ｓｎａｐ
ａｃＬｉｏｎ）を伴う。This causes the sealing sleeve to rise further away from the cup, causing the valve to tend to leak rather than open as intended. As a result, with the conventional valve body of the above-mentioned type, it is extremely difficult to open the valve, especially under high pressure conditions.
Or, when opening, an undesirable snap
acLion).
イギリス国特許明細書第１０４７７９２号により、弁棒
の傾動を容易にする為に、弁体のシール用スリーブに、
テーパ伺端くりを設りる事が公知である。又、弁棒の傾
動を更に容易にする為に、弁棒の頭部に隣接するシール
部組に、面取りした端部を設ける事も公知である。しか
し、シール用スリーブが取り伺はカップより離間」二昇
して、弁の漏洩を生じるという問題は依然として未解決
のまま残る。According to British Patent Specification No. 1047792, in order to facilitate the tilting of the valve stem, the sealing sleeve of the valve body is
It is known to provide a tapered end cut. It is also known to provide a chamfered end on the seal assembly adjacent the head of the valve stem to further facilitate tilting of the valve stem. However, the problem of the sealing sleeve being separated from the cup and causing valve leakage remains unsolved.
発明の目的及び要旨
本発明は、上記従来の弁体の問題点に鑑みてなされたも
のであって、弁カップを大略円筒状部と、截頭円すい状
部とにより構成し、該截頭円すい状部の小端部に開化を
設けると共に、シール用スリーブに、弁カップの上記截
頭円すい状部の周辺に延在する截頭円すい状スカート部
を設けた弁体を提供する事をその目的とするものである
。OBJECTS AND SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems with conventional valve bodies, and includes a valve cup consisting of a generally cylindrical portion and a truncated conical portion. The object is to provide a valve body in which the small end of the shaped part is provided with an opening and the sealing sleeve is provided with a truncated conical skirt part extending around the periphery of the truncated conical part of the valve cup. That is.
本発明にかかる弁体に於いては、弁棒の傾動を容易にす
る為に、シール用スリーブに、弁頭に隣接する端部て弁
棒を包囲する端ぐり部を設りることが望ましい。In the valve body according to the present invention, in order to facilitate tilting of the valve stem, it is preferable that the sealing sleeve is provided with a counterbore that surrounds the valve stem at the end adjacent to the valve head. .
又、上記シール用スリーブは、弁１ｉの傾動を容易にす
る為に、弁頭に隣接するその端部を外部より面取りする
ことが望ましい。Further, it is desirable that the end of the sealing sleeve adjacent to the valve head be chamfered from the outside in order to facilitate tilting of the valve 1i.
一方、シール用スリーブには、弁カップの前記大略円筒
状部の周辺に延在する、一体形成の大略円筒状スカート
部を設けてもよい。Alternatively, the sealing sleeve may include an integrally formed generally cylindrical skirt extending around the generally cylindrical portion of the valve cup.
更に、シール用スリーブには、」二記一体形成の大略円
筒状スカート部及び、一体のガスケツｌ−ＩＪソング設
けてもよい。Further, the sealing sleeve may be provided with an integrally formed generally cylindrical skirt portion and an integral gasket l-IJ song.
本発明は、又、本発明にかかる弁体を設けた加圧式噴射
容器を提供する事をもその目的占するものである。Another object of the present invention is to provide a pressurized injection container provided with a valve body according to the present invention.
実施例 添伺した図面にしたがって説明する。Example The explanation will be given according to the drawings provided.
第１図は、従来の傾動開放弁の断面図で、第２図は、本
発明にかかる弁体の一実施例の断面図で、第３図は、第
２図の弁体の変形例を示ず断面図で、第４図は、第２図
の弁体の更に他の変形例を示す断面図である。FIG. 1 is a sectional view of a conventional tilting release valve, FIG. 2 is a sectional view of an embodiment of a valve body according to the present invention, and FIG. 3 is a modified example of the valve body of FIG. FIG. 4 is a sectional view showing still another modification of the valve body shown in FIG. 2.
第１図に示す、従来公知の傾動１５１放弁に於いて、弁
体１０は、公知の加圧式噴射容器の端部閉市部を形成し
、弁体の金属製取り伺はカップ１２に組み込んだ、環状
カラ１１を収縮（ｃｒｉｒｒｑりさせて該容器に取り伺
けられる。容器に於いて流体に対する気密を確保する為
にガスケットリング１３を設ける。強固な弁棒１４とゴ
ム様月料よりなる環状シール用スリーブ１５が、取り（
＝Ｉけカップ１２の中央開孔を貫通する。弁棒１４には
、その−―にフランジ４フ１頭部１６を設け、他端方向
には、対抗肩部１７を設ける。弁俸工４は、その肩部伺
端部を流体噴射の為開放とし、他端は、数個のボート部
１８を除いて閉１にする。シール用スリーブ１５は、頭
部１６と肩部１７の間て弁棒１４」二に位置する。弁棒
１４が、第１図に示す如く、その通常軸心方向−数位置
にある場合、頭部１６は、容器中の流体を封止する為に
、シール用スリーブ１５に当接する。弁棒１４か、容器
の軸心に対して傾斜すると、頭部１６の一部が、シール
用スリーブ１５」−のシート部より上昇離間して、流体
は、ポート１８を介して圧送され、弁棒の開放端部より
噴射される。In the conventionally known tilting 151 valve shown in FIG. Then, the annular collar 11 can be crimped to reach the container.A gasket ring 13 is provided in the container to ensure airtightness against fluid.It is made of a strong valve stem 14 and a rubber-like ring. The sleeve 15 for the annular seal is removed (
= Penetrates through the central opening of the I-shaped cup 12. The valve stem 14 is provided with a flange 4, a head 16, and a counter shoulder 17 toward the other end. The valve holder 4 has its shoulder end open for fluid injection, and the other end is closed 1 except for several boat parts 18. A sealing sleeve 15 is located on the valve stem 14'' between the head 16 and the shoulder 17. When the valve stem 14 is in its normal axial position as shown in FIG. 1, the head 16 abuts the sealing sleeve 15 to seal off the fluid in the container. When the valve stem 14 is tilted with respect to the axis of the container, a portion of the head 16 rises and separates from the seat of the sealing sleeve 15'', and fluid is forced through the port 18 and closes the valve. It is sprayed from the open end of the rod.
上述の如き傾動開放弁は、適切なシール状態を維持する
と共に、弁体に、流体噴射の為に、容易で、かつ、充分
制御された傾動動作をＪｊえるという点に問題がある。A problem with tilting release valves such as those described above is that they maintain a proper seal while allowing the valve body to have an easy and well-controlled tilting motion for fluid injection.
この目的の為、第１図に示す公知の弁体１０には、弁棒
１４の傾動を容易にする為に頭部１６に隣接し、シール
用スリーブ１５の端部に、テーパ細端ぐり部Ｊ９を設け
る。更に、補助的に、シール用スリーブ１５の同一端部
に、外部的に面取り部２０を設ける。しかしながら、特
に内圧が高い場合、シール用スリーブ１５が、弁棒の傾
斜時に、該弁棒と共に動き易いという点で未だ問題が残
り、これにより、シール用スリーブ１５が、取り利はカ
ップ１２から離間」１択して、弁体が漏洩する傾向を生
じるという影響がある。To this end, the known valve body 10 shown in FIG. J9 will be provided. Furthermore, a chamfered portion 20 is additionally provided externally at the same end of the sealing sleeve 15. However, a problem still remains in that the sealing sleeve 15 tends to move together with the valve stem when the valve stem is tilted, especially when the internal pressure is high, and this causes the sealing sleeve 15 to be separated from the cup 12. ” This has the effect of creating a tendency for the valve body to leak.
したがって、従来は、弁が、特に高圧時に非常に開き難
いか、又は、望ましくないスナップ作用（ｓｎａｐ ａ
ｃｔｉｏ＋りを伴ッテ［；１］放される傾向がアップこ
。Therefore, in the past, valves were either very difficult to open, especially at high pressures, or had an undesirable snap action.
ctio+riwa tte [;1] Increases the tendency to be released.
第２図に、本発明にかかる弁体】１０を示す（公知の弁
体に対応して弁体１１０の特徴を示す為に１．第１回に
於ける対応部分に番号１００を加えて示す）。Fig. 2 shows a valve body [10] according to the present invention (in order to show the characteristics of the valve body 110 corresponding to a known valve body, 1. The number 100 is added to the corresponding part in the first part. ).
第２図の弁１１０に於いて、取り付りカップ１１２には
、その一端に、伺加的截頭円すい状部１２１を延長して
設け、シール用スリーブ１１５には、取り利はカップの
截頭円すい状部１２１の周辺に延在する様に補助截頭円
すいスカート部１２２を設ける。シール用スリーブ１．
１５のスカート部１２２により与えられる追加的表面積
のため、シール用スリーブは、以前よりも大きい力で、
流体圧により、取り刊すカップル１１２に当接される。In the valve 110 of FIG. 2, the mounting cup 112 is provided with an extended truncated conical portion 121 at one end thereof, and the sealing sleeve 115 is provided with a truncated conical portion 121 extending from one end thereof. An auxiliary truncated conical skirt portion 122 is provided to extend around the periphery of the truncated conical portion 121. Seal sleeve 1.
Because of the additional surface area provided by the skirt portion 122 of 15, the sealing sleeve can be moved with greater force than before.
It is brought into contact with the intervening couple 112 by fluid pressure.
この為、シール用スリーブ１１５が、弁棒１１４の傾斜
時に、取り付Ｕカップ１１２から」二昇離間する傾向が
減じられる。更に、取り伺はカップ１１２のイ：ｊ加的
截頭円すい状部１２１により、弁体１１０に、従来の弁
体よりも、容器内で更に大きい流体圧に剛えられる能力
がｌｉえられる。このことは、截頭円すい形が、従来の
平らな端部を有する取すイτ］けカップより、一層良好
に圧力に耐え得ることによるものである。This reduces the tendency for the sealing sleeve 115 to move up and away from the mounting U-cup 112 when the valve stem 114 is tilted. Additionally, the additional truncated conical portion 121 of the cup 112 provides the valve body 110 with the ability to withstand greater fluid pressure within the container than conventional valve bodies. This is due to the fact that the truncated conical shape can withstand pressure better than traditional flat-ended take-out cups.
更に、本発明によれば、収縮工具（ｃｒ ｉ明）ｉｎｇ
ｔｏｏｌ）により得られる余分のスペースの為に、弁体
を、容器に取り伺けるのが容易になるという利点がある
。Furthermore, according to the invention, a shrink tooling
The extra space provided by the valve has the advantage of making it easier to access the valve body into the container.
第３図及び第４図にそれぞれ示す弁体２１０及び３１０
は、殆ど全ての点で、第２図の弁体１１０と同様で、同
一部材は、再び、１００及び２００を加えた図番で示す
。しかしながら、第３図に示す弁体２１０に於いて、シ
ール用スリーブ２１５のスカート部２２２は、取り利は
カップ２１２の截頭円すい状部２２１を超えて、環状カ
ラ２１１のガスケットリング２１３の所迄延在する。Valve bodies 210 and 310 shown in FIGS. 3 and 4, respectively
is similar in almost all respects to the valve body 110 of FIG. 2, and identical parts are again designated by the figure numbers 100 and 200 added. However, in the valve body 210 shown in FIG. extend.
本実施例に於いて、シール用スリーブ２１５を取り付は
カップ２１２に対して保持しようとする力は、第２図の
実施例に於けるよりも更に大きい。In this embodiment, the forces tending to hold the sealing sleeve 215 against the mounting cup 212 are even greater than in the embodiment of FIG.
第３図の弁体２１０の重要な利点は、それが、取り利は
カップ２１２と接触子べきてない流体を取り扱う場合に
特に便利であるという点である。An important advantage of the valve body 210 of FIG. 3 is that it is particularly useful when handling fluids where the cup 212 and contacts are not available.
第４図の弁３１０では、シール用スリーブ３１５のスカ
ート部３２２に、力゛スケツ１−リング３１３を、一体
部分として有利に組み込んである。本実施例のシール用
スリーブが、取り伺はカップから離間」二昇して漏洩を
生じることが無いことは明らかである。In the valve 310 of FIG. 4, the skirt 322 of the sealing sleeve 315 advantageously incorporates the force socket 1-ring 313 as an integral part. It is clear that the sealing sleeve of this embodiment does not separate from the cup and cause leakage.
したがって、本発明は、」１記実施例に詳記した如き構
成よりなり所期の目的を達成し得るものである。Therefore, the present invention can achieve the intended purpose by having the configuration as described in detail in ``1'' Example.
第１図は、従来の傾動開放弁の断面図で、第２図は、本
発明にかかる弁体の一実施例の断面図で、第３図は、第
２図の弁体の変形例を示す断面図で、第４図は、第２図
の弁体の更に他の変形例を示す断面図である。
１０・・・ｐμ動開放弁、 １１・・・環状カラ、１
２・・・取り利はカップ、１３・・・ガスケットリング
、１４・・・５Ｆ 、１奉、１５・・・シール用スリー
ブ、１６・・・フランジ付頭部、１７・・・肩部、１８
・・・ホード、 １９・・・端ぐり部、２０・
・・外部面取り部、１１０・・・弁体、１１２・・・取
り伺はカップ、１２１・・・トＪ加的截頭円すい部、２
１０，３１０ ・・・弁部、２２１・・・截頭円Ｖい
部、３２２・・・スカート部。FIG. 1 is a sectional view of a conventional tilting release valve, FIG. 2 is a sectional view of an embodiment of a valve body according to the present invention, and FIG. 3 is a modified example of the valve body of FIG. FIG. 4 is a cross-sectional view showing still another modification of the valve body shown in FIG. 2. 10... pμ operating release valve, 11... annular collar, 1
2... Take advantage of cup, 13... Gasket ring, 14... 5F, 1 holder, 15... Seal sleeve, 16... Head with flange, 17... Shoulder, 18
...Hoard, 19...Counterbore, 20.
...External chamfered portion, 110... Valve body, 112... Chamfered portion is cup, 121... Trunked conical portion, 2
10, 310...Valve part, 221...Frunctuated V-shaped part, 322...Skirt part.
Claims (1)
部内の開孔を貫通すると共に、弁頭部と該弁頭部より離
間した肩部とを有する弁棒と、弁頭に隣接して弁棒に設
けたポート部と、弁棒を包囲し弁頭と肩部の間に位置す
る弾性シール用スリーブとを設けた加圧式噴射容器の弁
体であって、上記弁カップを大略円筒状部分（１１２）
と截頭円ｔい状部（１２１）より構成し、開化を該截頭
円すい状部の小端部に設けると共に、シール用スリーブ
（１１５）に、上記弁カップの截頭円すい部の周辺に延
在する、別の截頭円すい状部（１２２）を設けたことを
特徴とする一升体。 （２、特許請求の範囲第１項に記載の弁体であって、弁
棒の傾動を容易にする為に、シール用スリーブ（１１５
）に、弁頭（１１６）に隣接する端部で弁棒（１１４）
を呂囲する端ぐり部（１１９）を設けた事を特徴とする
弁体。 （３） 特許請求の範囲第１項又は第２項に記載の弁
体であって弁棒（１１４）の傾動を容易にする為に、シ
ール用スリーブ（１１５）を、弁頭（１１■に隣接する
その端部（１２０）で外部より面取りした事を特徴とす
る弁体。 （４）特許請求の範囲第１項乃至第３項のいずれか１項
に記載の弁体であって、シール用スリーブ（２１５）に
、弁カツプ部の大略円筒状部（２１２）の周辺に延在す
る、−体向の大略円筒状スカート部（２２２）を設けた
事を特徴占する弁体。 （５）特許請求の範囲第１項乃至第４項のいずれか１項
に記載の弁体てあって、シール用スリーブ（３１５）に
、弁カツプ部の大略円筒状部（３１２）の周辺に延在す
る、一体向の大略円筒状スカート部（３２２）と、一体
のガスケットリング（３１３）を設けた事を特徴とする
弁体。 （６）特許請求の範囲第１項乃至第５項のいずれかに記
載の弁体を設けた加圧式噴射容器。[Scope of Claims] (1) A valve having a valve cup part that can be accessed into a container, a valve head part passing through an opening in the valve cup part, and a shoulder part spaced apart from the valve head part. A pressurized injection container valve body comprising a rod, a port provided on the valve stem adjacent to the valve head, and an elastic sealing sleeve surrounding the valve stem and located between the valve head and the shoulder. Then, attach the valve cup to the approximately cylindrical portion (112).
and a truncated conical part (121), and an opening is provided at the small end of the truncated conical part, and a sealing sleeve (115) is provided around the truncated conical part of the valve cup. A box body, characterized in that it is provided with another extending truncated conical part (122). (2. The valve body according to claim 1, in which the sealing sleeve (115
) at the end adjacent the valve head (116) to the valve stem (114).
A valve body characterized by having a counterbore (119) that surrounds the valve body. (3) In the valve body according to claim 1 or 2, in order to facilitate the tilting of the valve stem (114), a sealing sleeve (115) is attached to the valve head (11). A valve body characterized in that adjacent end portions (120) thereof are chamfered from the outside. (4) The valve body according to any one of claims 1 to 3, which includes a seal The valve body is characterized in that the sleeve (215) is provided with a generally cylindrical skirt portion (222) extending around the generally cylindrical portion (212) of the valve cup portion and oriented in a negative direction. ) A valve body according to any one of claims 1 to 4, the sealing sleeve (315) extending around the generally cylindrical part (312) of the valve cup part. A valve body characterized by having an integrally oriented generally cylindrical skirt portion (322) and an integral gasket ring (313). (6) Any one of claims 1 to 5. A pressurized injection container equipped with the valve body described in .
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB08225075A GB2126283B (en) | 1982-09-02 | 1982-09-02 | Improvements in valves for dispensers |
| GB8225075 | 1982-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5993669A true JPS5993669A (en) | 1984-05-30 |
Family
ID=10532657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58161825A Pending JPS5993669A (en) | 1982-09-02 | 1983-09-01 | Valve body of pressure type injection vessel |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP0102797A3 (en) |
| JP (1) | JPS5993669A (en) |
| DK (1) | DK399283A (en) |
| GB (1) | GB2126283B (en) |
| ZA (1) | ZA836499B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1003521C2 (en) * | 1996-07-05 | 1998-01-12 | Menken Dairy Food B V | Operating assembly, a casing part intended for said operating assembly and an aerosol with such an operating assembly. |
| US6505986B1 (en) | 1997-11-21 | 2003-01-14 | The Procter & Gamble Company | Applicator systems |
| GB9724716D0 (en) * | 1997-11-21 | 1998-01-21 | Procter & Gamble | Applicator systems |
| EP2481688A1 (en) | 2011-01-27 | 2012-08-01 | Altachem Holdings NV | Dispensing aerosol valve for pressurized container |
| EP2487120A1 (en) | 2011-02-10 | 2012-08-15 | Altachem N.V. | Dispensing aerosol valve for pressurized container, dispensing adapter therefor, and assembly of a pressurized container with an adapter |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2965271A (en) * | 1956-12-27 | 1960-12-20 | Dev Res Inc | Valve body incorporating mounting cup mask and gasket |
| US3048307A (en) * | 1959-08-24 | 1962-08-07 | Michel David Daniel | Device for dispensing aerated products |
| GB1047792A (en) * | 1964-01-30 | 1966-11-09 | Clayton Corp Of Delaware | Tilt-opening valves for dispensers |
| US3299960A (en) * | 1964-10-30 | 1967-01-24 | Gottfried F Stern | Valve |
| US3920165A (en) * | 1974-08-16 | 1975-11-18 | Robert S Schultz | Automatic tip-seal valve |
| US4073398A (en) * | 1977-01-28 | 1978-02-14 | The Risdon Manufacturing Company | Snap-lock device for securing a dispensing mechanism to a container |
| CA1060396A (en) * | 1977-01-28 | 1979-08-14 | Risdon Manufacturing Company (The) | Aerosol container construction and production methods |
-
1982
- 1982-09-02 GB GB08225075A patent/GB2126283B/en not_active Expired
-
1983
- 1983-08-19 EP EP83304816A patent/EP0102797A3/en not_active Withdrawn
- 1983-09-01 ZA ZA836499A patent/ZA836499B/en unknown
- 1983-09-01 DK DK399283A patent/DK399283A/en not_active Application Discontinuation
- 1983-09-01 JP JP58161825A patent/JPS5993669A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DK399283D0 (en) | 1983-09-01 |
| ZA836499B (en) | 1985-04-24 |
| EP0102797A2 (en) | 1984-03-14 |
| DK399283A (en) | 1984-03-03 |
| EP0102797A3 (en) | 1984-12-12 |
| GB2126283B (en) | 1986-03-05 |
| GB2126283A (en) | 1984-03-21 |
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