JPH0441454B2 - - Google Patents
Info
- Publication number
- JPH0441454B2 JPH0441454B2 JP57167617A JP16761782A JPH0441454B2 JP H0441454 B2 JPH0441454 B2 JP H0441454B2 JP 57167617 A JP57167617 A JP 57167617A JP 16761782 A JP16761782 A JP 16761782A JP H0441454 B2 JPH0441454 B2 JP H0441454B2
- Authority
- JP
- Japan
- Prior art keywords
- explosion
- proof
- cathode ray
- ray tube
- zinc
- 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.)
- Expired - Lifetime
Links
- 239000011701 zinc Substances 0.000 claims description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 14
- 229910052725 zinc Inorganic materials 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000007747 plating Methods 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 claims description 3
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 3
- 229940007718 zinc hydroxide Drugs 0.000 description 3
- 229910021511 zinc hydroxide Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- UOURRHZRLGCVDA-UHFFFAOYSA-D pentazinc;dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[Zn+2].[O-]C([O-])=O.[O-]C([O-])=O UOURRHZRLGCVDA-UHFFFAOYSA-D 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229960001296 zinc oxide Drugs 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- RNWHGQJWIACOKP-UHFFFAOYSA-N zinc;oxygen(2-) Chemical group [O-2].[Zn+2] RNWHGQJWIACOKP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/87—Arrangements for preventing or limiting effects of implosion of vessels or containers
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Description
【発明の詳細な説明】
〔発明の技術分野〕
本発明は防爆形陰極線管に係り、例えばプツシ
ユスルー防爆形カラー陰極線管に好適な防爆構体
の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to an explosion-proof cathode ray tube, and relates to an improvement of an explosion-proof structure suitable for, for example, a push-through explosion-proof color cathode ray tube.
プツシユスルー防爆形カラー陰極線管を組込ん
だテレビジヨン受像機においては、カラー陰極線
管のパネルに再現される画面をテレビジヨン受像
機の前面から見た時に防爆構体を構成するテンシ
ヨンバンドまたはテンシヨンバンドとリムバンド
の側面及び支持金具の側面が視野に入り、この側
面で光の反射があると画面が見にくいという問題
点があるため、これらテンシヨンバンドとリムバ
ンド及び支持金具の少なくとも側面を黒色にして
いる。
In a television receiver incorporating a push-through explosion-proof color cathode ray tube, when the screen reproduced on the panel of the color cathode ray tube is viewed from the front of the television receiver, the tension band or tension band that constitutes the explosion-proof structure is There is a problem that the sides of the tension band, rim band, and support metal fittings come into view, making it difficult to see the screen if there is light reflection on these sides, so at least the sides of the tension band, rim band, and support metal fittings are painted black. .
次に防爆形陰極線管の一例を第１図により説明
すると、陰極線管のパネル１のパネル側壁１1に
リムバンド２を当接し、このリムバンド２のコー
ナ部に支持金具３を溶接などの手段により固定
し、このリムバンド２及び支持金具３上にテンシ
ヨンバンド４が張架されている構造を有してい
る。この場合、リムバンド２を設けず、直接支持
金具３とパネル側壁に接着テーブなどを介してテ
ンシヨンバンドを張架するようにした防爆構造の
ものもある。そして前述の防爆形陰極線管ではテ
ンシヨンバンド４のパネル１側側面に黒化膜４1
が形成されている。 Next, an example of an explosion-proof cathode ray tube will be explained with reference to FIG. 1. A rim band 2 is brought into contact with the panel side wall 1 1 of the panel 1 of the cathode ray tube, and a support fitting 3 is fixed to the corner part of the rim band 2 by means such as welding. However, it has a structure in which a tension band 4 is stretched over the rim band 2 and the support metal fitting 3. In this case, there is also an explosion-proof structure in which the rim band 2 is not provided and a tension band is directly stretched between the support metal fitting 3 and the side wall of the panel via an adhesive tape or the like. In the above-mentioned explosion-proof cathode ray tube, there is a blackened film 4 1 on the side surface of the tension band 4 on the panel 1 side.
is formed.
この様な防爆構体は陰極線管、例えば、カラー
陰極線管の防爆機能を果すために必要な強度とコ
ストを考えて、リムバンド２と支持金具３には軟
鋼板に２〜5μｍのメツキをしたのち黒クロメー
ト処理を行なつたものを使用し、テンシヨンバン
ド４としては高張力鋼に２〜5μｍの亜鉛メツキ
を行なつたのち、パネル前面側側面に部分的な黒
塗装膜からなる黒化膜４1が形成されているのが
通常である。 This kind of explosion-proof structure is constructed by plating a mild steel plate with a thickness of 2 to 5 μm and then blackening the rim band 2 and support fitting 3, taking into account the strength and cost necessary to perform the explosion-proof function of a cathode ray tube, for example, a color cathode ray tube. The tension band 4 is made of high-tensile steel with a thickness of 2 to 5 μm galvanized, and then a blackened film 4 consisting of a partial black paint film is applied to the front side of the panel. 1 is normally formed.
さて前述したテンシヨンバンド，リムバンド，
支持金具の少なくともパネル１の前面側側面を黒
色にする方法としては次のような方法があり、そ
れぞれ問題点を有している。 Now, the aforementioned tension band, rim band,
There are the following methods for making at least the front side surface of the panel 1 of the support fitting black, and each method has its own problems.
第１に黒色のテープを貼りつける方法がある
が、この方法はテープの粘着力が弱いため、カラ
ー陰極線管の梱包材と接触して剥れやすく、時に
プツシユスルー管が使用される欧州までの長期間
の輸送ではテープの剥れを皆無にすることは困難
であるし、また使用中にも経時変化でテープが剥
れ易いという問題点がある。 The first method is to paste black tape, but this method has a weak adhesive strength, so it comes into contact with the packaging material of color cathode ray tubes and easily peels off. It is difficult to eliminate tape peeling during transportation over a period of time, and there is also the problem that the tape tends to peel off due to changes over time during use.
第２に微量のモリブテン（Mo）やコバルト
（Co）を含有する亜鉛メツキを380℃以上に加熱
すると青黒色が得られるが、しかしこの方法では
表面に鉄（Fe）が拡散してくるために錆やすく、
表面に防錆剤を塗布しなければならないという問
題点がある。 Secondly, heating galvanized plating containing small amounts of molybdenum (Mo) and cobalt (Co) to temperatures above 380°C produces a blue-black color, but this method does not work because iron (Fe) diffuses onto the surface. Easy to rust,
There is a problem in that a rust preventive agent must be applied to the surface.
第３に黒色の塗料を塗布する方法があるが、こ
の方法では塗膜が絶縁性のためアースが取りにく
いという問題点がある。 A third method is to apply black paint, but this method has the problem that it is difficult to ground because the paint film is insulating.
そのほか、上述の３方法の問題点を解決するた
めに開発された方法として亜鉛メツキ上に黒色ク
ロメート処理を施す方法や防爆構体の側面または
側面を含む両主面に塗料を塗布する方法があり、
これらの技術は一般的に要求されている鉄の防錆
を保証するのは当然であるが、特殊な場合、例え
ば防爆構体に長期間水滴が付着したような時には
亜鉛が溶出し、いわゆる白錆が発生する。 In addition, there are methods developed to solve the problems of the three methods mentioned above, such as applying black chromate treatment to the galvanized surface and applying paint to the sides or both main surfaces including the sides of the explosion-proof structure.
These technologies naturally guarantee the rust prevention of iron that is generally required, but in special cases, such as when water droplets adhere to an explosion-proof structure for a long period of time, zinc may be eluted and cause so-called white rust. occurs.
このため、第２に示すようにテンシヨンバンド
４、支持金具３、リムバンド２の側面にまで白錆
５が浸出すると黒色にした効果が全くなくなり、
プツシユスルー防爆形陰極線管としての価値が半
減することになる。 For this reason, as shown in the second figure, if the white rust 5 leaches out to the sides of the tension band 4, support metal fittings 3, and rim band 2, the effect of making it black will be completely lost.
The value of the push-through explosion-proof cathode ray tube will be halved.
この白錆５は次のようにして発生するものと考
えられる。 This white rust 5 is thought to be generated in the following manner.
先ず第１に亜鉛が水と反応して水酸化亜鉛とな
る。 First, zinc reacts with water to form zinc hydroxide.
Zn＋2H2O→Zn（OH）2＋H2 第２に水酸化亜鉛が脱水して酸化亜鉛となる。 Zn+2H 2 O→Zn(OH) 2 + H 2Secondly, zinc hydroxide dehydrates to become zinc oxide.
Zn（OH）2→Zn＋H2O
第３に水酸化亜鉛が炭酸ガスと反応して塩基性
炭酸亜鉛となる。 Zn(OH) 2 →Zn+H 2 O Thirdly, zinc hydroxide reacts with carbon dioxide gas to become basic zinc carbonate.
(a) 5Zn（OH）2＋2CO2→2ZnCO3・3Zn（OH）2＋
2H2O
(b) 3Zn（OH）2＋CO2→ZnCO3・2Zn（OH）2＋
H2O
(c) 4Zn（OH）2＋CO2→4ZnO・CO2・4H2O
このようにして形成された酸化亜鉛や塩基性炭
酸亜鉛が白錆５であり、亜鉛は鉄と局部電池を形
成した時に、まず亜鉛が溶出することにより鉄を
防錆するものであるが、この亜鉛が白錆５を発生
させる原因となつている。(a) 5Zn(OH) 2 +2CO 2 →2ZnCO 3・3Zn(OH) 2 +
2H 2 O (b) 3Zn(OH) 2 +CO 2 →ZnCO 3・2Zn(OH) 2 +
H 2 O (c) 4Zn(OH) 2 ＋CO 2 →4ZnO・CO 2・4H 2 O Zinc oxide and basic zinc carbonate formed in this way are white rust5, and zinc is a local battery with iron. When formed, zinc is first eluted to prevent iron from rusting, but this zinc is the cause of white rust 5.
この対策として梱包用木材の含水率を厳しく規
制し、また梱包中に多量の乾燥剤を入れることに
より万一の場合に備えているのが現状である。 As a countermeasure against this, the current situation is to strictly control the moisture content of packaging wood and to prepare for the worst case by adding a large amount of desiccant to the packaging.
本発明は前述した諸問題点に鑑みなされたもの
であり、特殊な環境においても白錆の発生を防止
し、陰極線管としての価値を減じることのない防
爆形陰極線管、例えばプツシユスルー防爆形カラ
ー陰極線管を提供することを目的としている。
The present invention has been made in view of the problems mentioned above, and provides an explosion-proof cathode ray tube, such as a push-through explosion-proof color cathode ray tube, which prevents white rust from forming even in special environments and does not reduce its value as a cathode ray tube. The purpose is to provide a tube.
即ち、本発明は陰極線管のパネル側壁にリムバ
ンドとテンシヨンバンド、またはテンシヨンバン
ドのみからなる防爆構体と支持金具とが設けられ
た防爆形陰極線管において、少なくとも防爆構体
の表面にアルミニウムを30〜80％、亜鉛を70〜20
％含有する合金メツキが施されていることを特徴
とする防爆形陰極線管であり、このような合金メ
ツキの施された防爆構体と支持金具の少なくとも
パネル前面側側面に黒色クロメートまたは黒色塗
装が施された防爆形陰極線管を実施態様とする。
That is, the present invention provides an explosion-proof cathode ray tube in which an explosion-proof structure consisting of a rim band and a tension band, or only a tension band, and a supporting metal fitting are provided on the side wall of the panel of the cathode ray tube. 80%, zinc 70-20
This is an explosion-proof cathode ray tube characterized by being coated with an alloy plating containing %. The embodiment is an explosion-proof cathode ray tube.
本実施例は亜鉛メツキ中にアルミニウムを含有
させることにより、鉄の防錆を亜鉛で行ない、亜
鉛の防錆をアルミニウムで行ない、結果として鉄
の赤錆も亜鉛の白錆も発生することのない防爆構
体である。
In this example, by incorporating aluminum into galvanizing, the rust prevention of iron is done with zinc, and the rust prevention of zinc is done with aluminum, resulting in explosion protection that does not generate red rust of iron or white rust of zinc. It is a structure.
本発明者らは亜鉛とアルミニウムとの合金メツ
キの組成と防錆性との関係を取つて見た。即ち、
塩水噴霧試験（３％NaCl水溶液（35℃）スプレ
ー×48Hr）による強制試験の限度を白錆では小
レベル、赤錆では微小レベルとすると第３図に示
す白錆の発生曲線（11）と赤錆の発生曲線（12）
との関係において、アルミニウム含有量が30〜80
％、亜鉛含有量が70〜20％あれば限度内の防錆力
を有することが判明した。 The present inventors investigated the relationship between the composition of zinc and aluminum alloy plating and its rust prevention properties. That is,
If the limit of the salt spray test (3% NaCl aqueous solution (35℃) spray x 48 hours) is set to a small level for white rust and a minute level for red rust, the white rust occurrence curve (11) shown in Figure 3 and the red rust Occurrence curve (12)
In relation to the aluminum content 30-80
%, and it was found that a zinc content of 70 to 20% has antirust ability within limits.
即ち、防爆構体のリムバンド，テンシヨンバン
ドと支持金具とアルミニウムと亜鉛を含む溶融メ
ツキ浴に浸漬して、いわゆる溶融メツキ法により
前述した組成のアルミニウムと亜鉛の合金メツキ
を施すことにより、素材である鉄と、亜鉛の防錆
を同時に行なうことが可能となり、従来梱包用の
木材の含水率を厳しく規制していたのが不必要と
なり、また乾燥剤も従来の1/10程度でよくなり、
陰極線管の外観品位を向上させるばかりでなく梱
包のコスト低減にも大きく寄与することができ
た。またリムバンドを設けないテンシヨンバンド
のみからなる防爆構体についても同様である。 That is, the rim band, tension band, and supporting metal parts of the explosion-proof structure are immersed in a hot-dip plating bath containing aluminum and zinc, and an alloy plating of aluminum and zinc having the composition described above is applied by the so-called hot-dip plating method. It is now possible to rust-proof iron and zinc at the same time, making it unnecessary to strictly control the moisture content of wood used in packaging, and requiring only 1/10th the amount of desiccant required.
This not only improved the appearance quality of cathode ray tubes, but also greatly contributed to reducing packaging costs. The same applies to an explosion-proof structure consisting only of a tension band without a rim band.
なお本発明は表面を黒化するプツシユスルー補
強形カラー陰極線管ばかりでなく、一般の陰極線
管の防爆構体の白錆に対しても同様な効果を有
し、品位を良好な防爆形陰極線管を得ることも可
能であり、更にパネル前面側側面を少なくとも含
む部分に黒色クロメートまたは黒色塗装を施すこ
とにより防爆形陰極線管の外観品位を更に良くで
きることは勿論である。 The present invention is not limited to push-through reinforced color cathode ray tubes that blacken the surface, but also has the same effect on white rust on the explosion-proof structure of general cathode ray tubes, and provides explosion-proof cathode ray tubes of good quality. Of course, the appearance quality of the explosion-proof cathode ray tube can be further improved by applying black chromate or black coating to a portion including at least the front side surface of the panel.
前述の様に本発明によれば防爆形陰極線管の外
観品位を極めて良好に保持することが可能であ
り、その工業的価値は極めて大である。
As described above, according to the present invention, it is possible to maintain the appearance quality of an explosion-proof cathode ray tube extremely well, and its industrial value is extremely large.
第１図は防爆形陰極線管の要部断面図、第２図
は白錆のでき方の一例を示す説明用斜視図、第３
図は本発明の防爆形陰極線管の防爆構体の亜鉛−
アルミニウム合金メツキの成分及び白錆，赤錆の
発生状態を示すグラフである。
１……パネル、１1……パネル側壁、２……リ
ムバンド、３……支持金具、４……テンシヨンバ
ンド、５……白錆。
Figure 1 is a sectional view of the main parts of an explosion-proof cathode ray tube, Figure 2 is an explanatory perspective view showing an example of how white rust forms, and Figure 3
The figure shows the zinc-oxide structure of the explosion-proof cathode ray tube of the present invention.
It is a graph showing the components of aluminum alloy plating and the state of occurrence of white rust and red rust. 1... Panel, 1 1 ... Panel side wall, 2... Rim band, 3... Support metal fittings, 4... Tension band, 5... White rust.
Claims (1)
バンドとテンシヨンバンドまたはテンシヨンバン
ドのみからなる防爆構体と支持金具とが設けられ
る防爆形陰極線管において、 少なくとも前記防爆構体の表面にアルミニウム
を30〜80％、亜鉛を70〜20％含有する合金メツキ
が施されていることを特徴とする防爆形陰極線
管。 ２ 防爆構体と支持金具の少なくともパネル前面
側側面に黒色クロメートまたは黒色塗装が施され
てなることを特徴とする特許請求の範囲第１項記
載の防爆形陰極線管。[Scope of Claims] 1. In an explosion-proof cathode ray tube in which a rim band and a tension band made of iron or an explosion-proof structure consisting of only a tension band and a supporting metal fitting are provided on a side wall of a panel of the cathode-ray tube, at least An explosion-proof cathode ray tube characterized by having an alloy plating containing 30 to 80% aluminum and 70 to 20% zinc on its surface. 2. The explosion-proof cathode ray tube according to claim 1, wherein at least the front panel side surfaces of the explosion-proof structure and the support fittings are coated with black chromate or black paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16761782A JPS5958743A (en) | 1982-09-28 | 1982-09-28 | Explosion-proof type cathode-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16761782A JPS5958743A (en) | 1982-09-28 | 1982-09-28 | Explosion-proof type cathode-ray tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5958743A JPS5958743A (en) | 1984-04-04 |
| JPH0441454B2 true JPH0441454B2 (en) | 1992-07-08 |
Family
ID=15853099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16761782A Granted JPS5958743A (en) | 1982-09-28 | 1982-09-28 | Explosion-proof type cathode-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5958743A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5335675A (en) * | 1988-11-15 | 1994-08-09 | Family Health International | Stress-softened elastomeric films, articles, and method and apparatus for making such films and articles |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763752A (en) * | 1980-10-03 | 1982-04-17 | Toshiba Corp | Explosion-proof band for electron tube |
-
1982
- 1982-09-28 JP JP16761782A patent/JPS5958743A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5763752A (en) * | 1980-10-03 | 1982-04-17 | Toshiba Corp | Explosion-proof band for electron tube |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5958743A (en) | 1984-04-04 |
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