JPS62208525A - Regeneration method and device for cathode-ray tube - Google Patents
Regeneration method and device for cathode-ray tubeInfo
- Publication number
- JPS62208525A JPS62208525A JP61050819A JP5081986A JPS62208525A JP S62208525 A JPS62208525 A JP S62208525A JP 61050819 A JP61050819 A JP 61050819A JP 5081986 A JP5081986 A JP 5081986A JP S62208525 A JPS62208525 A JP S62208525A
- Authority
- JP
- Japan
- Prior art keywords
- ray tube
- glass
- cathode ray
- cutting
- cutter
- 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
- 238000011069 regeneration method Methods 0.000 title description 6
- 239000011521 glass Substances 0.000 claims abstract description 97
- 238000005520 cutting process Methods 0.000 claims abstract description 33
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 16
- 239000011888 foil Substances 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 12
- 230000001172 regenerating effect Effects 0.000 claims 3
- 238000001514 detection method Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 239000003082 abrasive agent Substances 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は本来の機能を失なった陰極線管の主要部品を
回収する用に供される陰極線管の再生方法およびその装
置に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cathode ray tube remanufacturing method and apparatus for recovering the main parts of a cathode ray tube that have lost their original function.
［従来の技術］
第７図は陰極線管、の構造を示す図である。同図におい
て、（１）は陰極線管外囲器、（２）はパネルガラス、
（３）はファンネルガラス、（４）はファンネルガラス
に連なるネックガラス、（５）はパネルガラス（２）と
ファンネルガラス（３）とを封着させるためのフリット
ガラス、（６）はパネルガラス（２）の内面に収納され
てピン（２ａ）に支持されたマスク、（７）は電子銃、
（８）はパネルガラス（２）の内面に形成された蛍光面
、（８）は導電膜、（ｌＯ）はマスク（６）と導電Ｈり
とを導通させるためのコンタクトスプリングである。[Prior Art] FIG. 7 is a diagram showing the structure of a cathode ray tube. In the figure, (1) is the cathode ray tube envelope, (2) is the panel glass,
(3) is funnel glass, (4) is neck glass connected to funnel glass, (5) is frit glass for sealing panel glass (2) and funnel glass (3), and (6) is panel glass ( 2) is a mask housed in the inner surface and supported by a pin (2a); (7) is an electron gun;
(8) is a fluorescent screen formed on the inner surface of the panel glass (2), (8) is a conductive film, and (1O) is a contact spring for establishing electrical continuity between the mask (6) and the conductive wire.
上記構成からなる陰極線管（１）は電子銃（７）の各電
極に所定電圧を印加するとともに、アノードボタン（３
ａ）に高電圧を印加することによって、パネルガラス（
２）の内面に形成された蛍光面（８）上に文字や画像等
の映像が得られるようになっている。The cathode ray tube (1) configured as described above applies a predetermined voltage to each electrode of the electron gun (7), and also applies a predetermined voltage to each electrode of the electron gun (7).
a) By applying a high voltage to the panel glass (
Images such as characters and images can be obtained on the fluorescent screen (8) formed on the inner surface of the device 2).
しかしながら、陰極線管（１）の製造工程において、使
用部品の不良、製造条件の変動等の不具合により、完成
した陰極線管（１）が前記のように正常な映像が得られ
ないものとなる場合がある。いわゆる不良陰極線管がで
きてしまったことになるわけで、これらは廃却処分の対
象となる。However, in the manufacturing process of the cathode ray tube (1), there are cases where the completed cathode ray tube (1) is unable to produce normal images as described above due to malfunctions such as defects in parts used or fluctuations in manufacturing conditions. be. This means that so-called defective cathode ray tubes have been produced, and these should be disposed of.
実際にはこれらの不良陰極ＭＪ、管はその使用部品のう
ち高価なパネルガラス（２）、ファンネルガラス（３）
そしてマスク（８）を回収して、再使用している（第８
図、第９図、第１０図参照）。In reality, these defective cathode MJs and tubes are made of expensive panel glass (2) and funnel glass (3) among their used parts.
Masks (8) are collected and reused (No. 8).
(See Figures 9 and 10).
従来、この回収方法として、ヒートショック方法に依っ
ていた。すなわち、第１１図に示すようにフリットガラ
ス（５）の外周側（１１）を硝酸等の薬品で溶解し、つ
いで、パネルガラス（２）とファンネルガラス（３）と
に温水、冷水等により温度差を生じさせてフリットガラ
ス（５）に大きなストレスを生じさせる。これにより、
フリットガラス（５）の全周に第１２図点線のようにわ
たってクラック（１２）が生じるため、パネルガラス（
２）とファンネルガラス（３）とを分離して、マスク（
８）を含む部品の回収を行っている。Conventionally, this recovery method has relied on a heat shock method. That is, as shown in Fig. 11, the outer circumferential side (11) of the frit glass (5) is dissolved with a chemical such as nitric acid, and then the panel glass (2) and funnel glass (3) are heated with hot or cold water. This causes a large stress on the frit glass (5). This results in
Because cracks (12) occur around the entire circumference of the frit glass (5) as shown by the dotted line in Figure 12, the panel glass (5)
2) and the funnel glass (3) are separated, and the mask (
Parts including 8) are being collected.
実際に分離後、パネルガラス（２）およびファンネルガ
ラス（３）の各シール面（２ｂ） 、 （３ｂ）に付着
しているフリットガラス（５）を硝酸等の薬品で溶解し
て除去し、さらにはパネルガラス（２）に形成されてい
る蛍光面等、そしてファンネルガラス（３）に形成され
ている導電膜（８）等をそれぞれ弗酸等の薬品で除去し
ている。ファンネルガラス（３）についてはネックガラ
ス（４）を新しいものと継ぎかえて、第９図のように工
程投入時と同じ状態に再生させる。After the actual separation, the frit glass (5) adhering to each sealing surface (2b), (3b) of the panel glass (2) and funnel glass (3) is removed by dissolving it with a chemical such as nitric acid, and then The fluorescent screen formed on the panel glass (2) and the conductive film (8) formed on the funnel glass (3) are removed using chemicals such as hydrofluoric acid. As for the funnel glass (3), the neck glass (4) is replaced with a new one, and the funnel glass (3) is regenerated to the same state as when it was put into the process, as shown in FIG.
［発明が解決しようとする問題点］
ヒートショック方法による回収方法ではクラックの生じ
にくいフリットガラス、２８インチ以上の大きな陰極線
管外囲器、そしてパネルガラス（２）がプレート状でフ
リットガラス（５）に大きなストレスを生じさせられな
いものについてはパネルガラス（２）とファンネルガラ
ス（３）との分離が極めて難しい、あえてヒートショッ
クを過剰にすると、パネルガラス（２）またはファンネ
ルガラス（３）そのものにクラックが生じ、両者（２）
。[Problems to be solved by the invention] Fritted glass that is difficult to crack when recovered by heat shock method, large cathode ray tube envelope of 28 inches or more, and fritted glass (5) whose panel glass (2) is plate-shaped. It is extremely difficult to separate the panel glass (2) and the funnel glass (3) in cases where large stress cannot be generated on the panel glass (2) or the funnel glass (3). A crack occurs and both (2)
.
（３）を廃却させることとなってしまう。(3) will be abolished.
この発明は、上記のような問題点を解消するためになさ
れたもので、ヒートショック方法では回収の難しいタイ
プの陰極線管でも回収部品の品質を低下させることなく
、高歩留りで回収し得る陰極線管の再生方法を提供する
ことを目的としている。This invention was made to solve the above-mentioned problems, and it provides a cathode ray tube that can be recovered at a high yield without deteriorating the quality of recovered parts, even if the type of cathode ray tube is difficult to recover using the heat shock method. The purpose is to provide a method for playing.
この塁［］８＋７１１ｇＩＩめ亮圓Ｉ十 面肘作皇６（
Ｔ虚 礒＼り迅速に行なえ、設備コストの低い陰極線管
の再生装置を提供することを目的としている。This base [ ] 8 + 711g II Me Ryoen I 10 Menjijisakuou 6 (
The object of the present invention is to provide a cathode ray tube regeneration device that can perform T-regeneration quickly and at low equipment cost.
［問題点を解決するための手段］
この発明に係る陰極線管の再生方法は、パネルガラスと
ファンネルガラスとの接合にフリットガラスを用いた陰
極線管外囲器の上記接合部もしくは陰極線管外囲器の他
の予め決められた個所を検出し、この検知個所を全周か
ら切断して分離させる工程を備えたものである。[Means for Solving the Problems] The cathode ray tube recycling method according to the present invention is directed to the above-mentioned joint portion of the cathode ray tube envelope or the cathode ray tube envelope in which frit glass is used to join the panel glass and the funnel glass. This method includes a step of detecting another predetermined location and separating the detected location by cutting it from the entire circumference.
また、この発明の別の発明に係る陰極線管の再生装置は
、陰極線管外囲器を保持する保持具と、上記パネルガラ
スとファンネルガラスの接合部もしくは他の予め決めら
れた個所を検出するセンサと、上記接合部もしくは予め
決められた個所に対応して設けられた切断用カッタなら
びに研摩用ホイルと、上記外囲器の切断部位に切断完了
までに打ち込まれる楔部材の打込具と、上記センサ、切
断用カッタ、研摩用カッタおよび楔部材打込具をもった
切断装置と陰極線管外囲器保持具との少なくともいずれ
か一方を他方の廻りに相対的に移動させる移動手段とを
備えたものである。Further, a cathode ray tube regeneration device according to another aspect of the present invention includes a holder for holding a cathode ray tube envelope, and a sensor for detecting a joint between the panel glass and the funnel glass or another predetermined location. , a cutting cutter and a polishing foil provided corresponding to the joint or a predetermined location, a driving tool for a wedge member to be driven into the cut portion of the envelope until the cutting is completed; A cutting device having a sensor, a cutting cutter, a polishing cutter, and a wedge member driving tool, and a moving means for relatively moving at least one of the cathode ray tube envelope holder around the other. It is something.
［作用］
この発明においては、陰極線管外囲器のパネルガラスと
ファンネルガラスとの接合部もしくは陰極線管外囲器の
他の予め決められた個所を検出して全周から切断するた
め、ヒートショック法のようなりラックが生じることな
く、陰極線管外囲器が分離される。[Function] In this invention, the joint between the panel glass and the funnel glass of the cathode ray tube envelope or another predetermined location of the cathode ray tube envelope is detected and cut from the entire periphery. The cathode ray tube envelope is separated without creating a rack as would otherwise be the case.
また、この発明の別の発明においては、カッタ等を有す
る切断装置もしくは陰極線管外囲器保持具を相対移動す
るだけで陰極線管外囲器を切断できるため、切断面等と
して正確なものが得られ、回収作業も迅速に行なえる。In addition, in another aspect of the present invention, the cathode ray tube envelope can be cut simply by relatively moving a cutting device having a cutter or the like or a cathode ray tube envelope holder, so that an accurate cut surface can be obtained. Therefore, collection work can be carried out quickly.
［発明の実施例］ 以下、この発明の実施例を図面にしたがって説明する。[Embodiments of the invention] Embodiments of the present invention will be described below with reference to the drawings.
第１図はこの発明に係る陰極線管の再生方法に適用され
る装置の一例を示す平面図、第２図は同装置の側面図で
ある。同図において、（２２）は切断装置の要部である
。この切断装置（２２）は、パネルガラス（２）とファ
ンネルガラス（３）の接合部に対応して設けられて矢印
１５ａ、１５ｂ方向へ移動可能なカッタ（１３）と、研
摩用ホイル（２３）と、接合部を構成するフリットガラ
ス（５）部を検知するセンサ（２４）と、切断部（１７
） （第４図（Ｂ））の隙間を保つ楔部材（１９） （
第５図、第６図）の打込具（２５）ならびにこれらカッ
タ（１３）等を保持する保持具（２６）を有する。 （
２７）は上記保持具（２Ｂ）をフリットガラス（５）部
全周にわたって移動させる移動具である。FIG. 1 is a plan view showing an example of an apparatus applied to the cathode ray tube regeneration method according to the present invention, and FIG. 2 is a side view of the apparatus. In the figure, (22) is the main part of the cutting device. This cutting device (22) includes a cutter (13) that is provided corresponding to the joint between the panel glass (2) and the funnel glass (3) and is movable in the directions of arrows 15a and 15b, and an abrasive foil (23). , a sensor (24) that detects the frit glass (5) part that constitutes the joint part, and a cutting part (17).
) (Figure 4 (B)) Wedge member (19) that maintains the gap (
It has a driving tool (25) shown in FIGS. 5 and 6) and a holder (26) for holding these cutters (13) and the like. (
27) is a moving tool that moves the holder (2B) over the entire circumference of the frit glass (5).
上記カッタ（１３）としてはダイヤモンドホイルが用い
られ、また研摩用ホイル（２３）としては、金属製ホイ
ル本体に薄肉のフォルトを貼着し、かつ研摩剤を併用し
たもので構成されている。一方、上記陰極線管外囲器（
１）は図示しない保持具に保持させである。A diamond foil is used as the cutter (13), and the abrasive foil (23) is made of a metal foil body with a thin foil pasted thereon, and an abrasive agent is also used. On the other hand, the cathode ray tube envelope (
1) is held by a holder (not shown).
なお、フリットガラス（５）を適正に切断する必要があ
るため、フリットガラス（５）の溶解部（１１）をセン
サ（２４）で検知し、その個所にカッタ（１３）、研摩
用ホイル（２３）４１部材打込具（２５）が位置するよ
うにそれぞれの回転機構を含む本体部（１４） 、 （
２８） 、 （２９）に位置調整機能をもたせである。In addition, since it is necessary to cut the frit glass (5) properly, the melted part (11) of the frit glass (5) is detected by a sensor (24), and a cutter (13) and a polishing foil (23) are placed at that point. ) 41 member The main body (14) including the respective rotation mechanisms so that the driving tool (25) is positioned, (
28) and (29) have a position adjustment function.
上記装置を用いてフリットガラス（５）の部分を切断・
分離する手順を以下に説明する。Cut and cut the frit glass (5) using the above device.
The separation procedure will be explained below.
センサ（２４）でフリットガラス（５）の溶解部（１１
）が検出された際、カッタ（１３）や研摩用ホイル（２
３）が、たとえば矢印（１６）方向へ回転する。この状
態で、まず、第３図（Ａ） 、 （Ｂ）に示すように
カッタ（１３）を矢印（１５ａ）の方向に進出させると
。The melting part (11) of the frit glass (5) is detected by the sensor (24).
) is detected, cutter (13) or polishing foil (2) is detected.
3) rotates, for example, in the direction of arrow (16). In this state, first, as shown in FIGS. 3(A) and 3(B), the cutter (13) is advanced in the direction of the arrow (15a).
第４図（Ａ） 、 （Ｂ）に示すようにカッタ（１３
）の回転（１６）によりフリットガラス（５）の部分が
切断される。切断部分を第４図（Ｂ）の斜線（１７）に
示す、ついで、カッタ（１３）を矢印（１８）の方向に
移動させると、フリットガラス（５）の切断部分（１７
）が拡がっていく。この方ツタ（１３）による切断動作
には研摩用ホイル（２３）も連動するため、切断部分（
１７）に研摩用ホイル（２３）が入り込み研摩する。As shown in Figure 4 (A) and (B), cutter (13
), the portion of the frit glass (5) is cut by the rotation (16). The cut portion is shown by the diagonal line (17) in FIG. 4(B). Then, when the cutter (13) is moved in the direction of the arrow (18), the cut portion (17
) is expanding. The cutting operation by the ivy (13) is also linked to the abrasive foil (23), so the cutting part (
The polishing foil (23) enters into 17) and performs polishing.
すなわち、切断部ｆｆｌ （２２）が、フリットガラス
（５）部に対して矢印（１８）の方向に全周移動するこ
とにより、パネルガラス（２）およびファンネルガラス
（３）はそれぞれのシール面（２ｂ） 、 （３ｂ）が
研摩された状態で分離される。したがって、従来の方法
のようにシール面各（２ｂ） 、 （３ｂ）に付着した
フリットガラス（５）を除去する必要はない。That is, by moving the cutting part ffl (22) all the way around the frit glass (5) in the direction of the arrow (18), the panel glass (2) and the funnel glass (3) have their respective sealing surfaces ( 2b) and (3b) are separated in a polished state. Therefore, it is not necessary to remove the frit glass (5) attached to each of the sealing surfaces (2b) and (3b) as in the conventional method.
この後、パネルガラス（２）に形成された蛍光面（８）
やファンネルガラス（３）に形成された導電膜（８）等
を弗酸等の薬品により除去すれば、パネルガラス（２）
とファンネルガラス（３）を回収することができる。こ
の場合、カッタ（１３）によってフリットカラス（５）
の部分を切断するため、ヒートショック法のように両者
（２） 、 （３）にクラックが生じるおそれもなく
なる。とくにこの例のように切断動作に引き続いて切断
部（１７）を研、摩するため。After this, the fluorescent screen (8) formed on the panel glass (2)
If the conductive film (8) formed on the funnel glass (3) is removed with a chemical such as hydrofluoric acid, the panel glass (2)
and the funnel glass (3) can be collected. In this case, the frit crow (5) is cut by the cutter (13).
Since the parts (2) and (3) are cut, there is no risk of cracks occurring in both (2) and (3) as in the heat shock method. Particularly for grinding and polishing the cutting part (17) following the cutting operation, as in this example.
シール面（２ａ） 、 （３ｂ）の精度が良好に保たれ
て高品質のパネルガラス（２）やファンネルガラス（３
）を回収することができる。また、ヒートショック法に
用いる温本ヒータや冷水用チラー等が不要であるため、
設備費用が安価となるうえ、ランニングコストも低減さ
れ、さらに大きなスペースが不要となる。The precision of the sealing surfaces (2a) and (3b) is maintained well, resulting in high quality panel glass (2) and funnel glass (3).
) can be recovered. In addition, since there is no need for hot water heaters or cold water chillers used in the heat shock method,
Equipment costs are low, running costs are also reduced, and a large space is not required.
一方、マスク（６）はパネルガラス（２）とファンネル
ガラス（３）を分離した後、パネルガラス（２）から取
り出し、所定の処理をすれば、再使用できる状態に回収
することができる。On the other hand, the mask (6) can be recovered into a reusable state by separating the panel glass (2) and the funnel glass (3), taking it out from the panel glass (2), and subjecting it to predetermined processing.
なお、上記切断工程において、第５図および第６図に示
すように切断後の隙間に楔部材（１９）を打ち込み、パ
ネルガラス（２）とファンネルガラス（３）の位置が変
らないようにしである。すなわち、フリットガラス（５
）の切断完了直前になると、パネルガラス（２）の自重
により隙間分だけパネルガラス（２）が下ることになり
、残ったフリットガラス（５）による封着部に応力集中
が起ころうとするが、上記隙間に楔部材（１９）が打ち
込まれるため、パネルガラス（２）の姿勢が保たれて上
記応力集中の発生が未然に阻止され、したがって、パネ
ルガラス（２）とノアンネルガラス（３）にクランクが
生じるおそれが確実に防止される。In addition, in the above cutting process, as shown in Figures 5 and 6, a wedge member (19) is driven into the gap after cutting to prevent the positions of the panel glass (2) and funnel glass (3) from changing. be. That is, frit glass (5
), just before the completion of cutting, the panel glass (2) will fall by the gap due to its own weight, and stress concentration will occur in the sealed area by the remaining frit glass (5). Since the wedge member (19) is driven into the gap, the posture of the panel glass (2) is maintained and the stress concentration is prevented from occurring, and therefore the panel glass (2) and the no-channel glass (3) are The possibility of a crank occurring is reliably prevented.
なお、上記実施例では陰極線管外囲器（１）を固定し、
切断装置（２２）が移動するようになっているが、陰極
線管外囲器（１）のみを移動させてもよく、また両方移
動させてもよい。さらに、研摩用ホイル（２３）もシー
ル面（２ｂ） 、 （３ｂ）の要求品質により複数個設
置すれば、一層大きな研摩効果が得られる。In the above embodiment, the cathode ray tube envelope (1) is fixed,
Although the cutting device (22) is designed to move, only the cathode ray tube envelope (1) or both may be moved. Further, if a plurality of polishing foils (23) are installed depending on the required quality of the sealing surfaces (2b) and (3b), an even greater polishing effect can be obtained.
また、この実施例では、パネルガラス（２）とファンネ
ルガラス（３）とをフリットガラス（５）で封着した陰
極線管（１）について述べたが、それ以外の陰極線管で
も任意の箇所を切断して回収するのに適用しても、同様
の効果が得られる。In this example, the cathode ray tube (1) is described in which the panel glass (2) and the funnel glass (3) are sealed with the frit glass (5), but other cathode ray tubes can also be cut at any point. The same effect can be obtained even if it is applied to the collection.
［発明の効果］
以上のように、この発明によれば、パネルガラスとファ
ンネルガラスとの接合部もしくは他の予め決められた個
所を検知して、検知個所を全局から切断して分離するよ
うにしたから、従来のヒートショック方法で回収不可能
なタイプの陰極線管の主要部品を歩留良く、しかも高品
質に回収することができる効果がある。[Effects of the Invention] As described above, according to the present invention, the joint between the panel glass and funnel glass or other predetermined location is detected, and the detected location is separated from the entire station. Therefore, the main components of cathode ray tubes that cannot be recovered using conventional heat shock methods can be recovered with high yield and high quality.
また、この発明の別の発明は、パネルガラスとファンネ
ルガラスとの接合部もしくは他の決められ個所を検知す
るセンサ、切断用カッタ、研摩用ホイルおよび楔打込具
等を有する切断装置の保持具と陰極線管外囲器の少なく
ともいずれかを一方を移動させるようにしたから、回収
作業が迅速、かつ正確に行なえ、回収コストの低減化を
図れる効果があるゆAnother invention of the present invention is a holder for a cutting device that includes a sensor for detecting a joint between a panel glass and a funnel glass or other predetermined points, a cutting cutter, a polishing foil, a wedge driving tool, etc. Since at least one of the cathode ray tube envelope and the cathode ray tube envelope is moved, the recovery work can be done quickly and accurately, which has the effect of reducing recovery costs.
第１図および第２図はそれぞれこの発明に係る陰極線管
の再生方法に適用される装置の一例を示す平面図および
側面図、第３図（Ａ） 、 （Ｂ）は第１図の装置の
カッタによる切断前の状態の陰極線管外囲器を示す部分
断面図および平面図、第４図（Ａ） 、 （Ｂ）は同
カッタによる切断開始時の陰極線管外囲器を示す部分断
面図および平面図、第５図および第６図は同装置の楔部
材打込具による楔部材打込状態を示す陰極線管外囲器の
部分断面図および平面図、第７図は陰極線管外囲器の全
体構造を示す断面図、第８図、第９図および第１０図は
それぞれ分離状態のパネルガラスの断需固 −フ１ｔ
Ｊ ＋１．４二づ小酩需固め←プｔイづｈ＾側面図、第
１１図はパネルガラスとファンネルガラスとの接合部を
示す陰極線管外囲器の部分断面図、第１２図は同接合部
のクラック発生状態の説明図である。
（１）・・・陰極線管外囲器、（２）・・・パネルガラ
ス、（３）・・・ファンネルガラス、（５）・・・フリ
ットガラス、（１３）・・・カッタ、（１７）・・・切
断部、（１９）・・・楔部材、（２２）・・・切断装置
、（２３）・・・研摩用ホイル。
（２４）・・・センサ、（２５）・・・楔部材打込具、
（２７）・・・移動手段。
なお、図中同一符号は同一もしくは相当部分を示す。1 and 2 are a plan view and a side view, respectively, showing an example of an apparatus applied to the cathode ray tube regeneration method according to the present invention, and FIGS. 3(A) and 3(B) are views of the apparatus shown in FIG. 1. 4(A) and 4(B) are partial sectional views and plan views showing the cathode ray tube envelope before cutting by the cutter, and FIGS. A plan view, FIGS. 5 and 6 are a partial sectional view and a plan view of the cathode ray tube envelope showing the wedge member driving state using the wedge member driving tool of the device, and FIG. 7 is a partial sectional view and a plan view of the cathode ray tube envelope. 8, 9 and 10 are cross-sectional views showing the overall structure, respectively, of panel glass in a separated state.
J +1.4 2nd Small Drinking Demand Consolidation←Putizuh^ Side view, Figure 11 is a partial cross-sectional view of the cathode ray tube envelope showing the joint between the panel glass and the funnel glass, and Figure 12 is the same. FIG. 3 is an explanatory diagram of a state in which cracks occur in a joint. (1)...Cathode ray tube envelope, (2)...Panel glass, (3)...Funnel glass, (5)...Frit glass, (13)...Cutter, (17) ... Cutting section, (19) ... Wedge member, (22) ... Cutting device, (23) ... Polishing foil. (24)...sensor, (25)...wedge member driving tool,
(27)... Means of transportation. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (4)
ットガラスを用いた陰極線管外囲器の上記接合部もしく
は陰極線管外囲器の他の予め決められた個所を検出し、
この検知個所を全周から切断して分離させる工程を備え
たことを特徴とする陰極線管の再生方法。(1) Detecting the joint part of the cathode ray tube envelope using frit glass to join the panel glass and funnel glass or other predetermined locations of the cathode ray tube envelope,
A method for regenerating a cathode ray tube, comprising a step of cutting and separating the detection point from the entire circumference.
面を研摩してなる特許請求の範囲第１項記載の陰極線管
の再生方法。(2) The method for regenerating a cathode ray tube according to claim 1, wherein in the cutting and separating step, the cut surface of the envelope is polished.
断部分の設定間隔を切断完了まで一定に保持させてなる
陰極線管の再生方法。(3) A method for regenerating a cathode ray tube, in which, in the cutting and separation step, the set interval of the cut portion of the cathode ray tube envelope is maintained constant until the cutting is completed.
ガラスとフアンネルガラスの接合部もしくは陰極線管外
囲器の他の予め決められた個所を検出するセンサと、上
記接合部もしくは予め決められた個所に対応して設けら
れた切断用カッタならびに研摩用ホイルと、上記陰極線
管外囲器の切断部位に切断完了までに打ち込まれる楔部
材の打込具と、上記センサ、切断用カッタ、研摩用カッ
タおよび楔部材打込具をもつた切断装置と上記陰極線管
外囲器保持具との少なくともいずれか一方を他方の廻り
に相対的に移動させる移動手段とを備えた陰極線管の再
生装置。(4) A holder for holding the cathode ray tube envelope, a sensor for detecting the joint between the panel glass and funnel glass or another predetermined location on the cathode ray tube envelope, and a A cutting cutter and a polishing foil provided corresponding to a predetermined location, a driving tool for a wedge member to be driven into the cutting location of the cathode ray tube envelope until the cutting is completed, the sensor, and the cutting cutter. , a cutting device having an abrasive cutter and a wedge member driving tool, and a moving means for relatively moving at least one of the cathode ray tube envelope holders around the other. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61050819A JPS62208525A (en) | 1986-03-07 | 1986-03-07 | Regeneration method and device for cathode-ray tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61050819A JPS62208525A (en) | 1986-03-07 | 1986-03-07 | Regeneration method and device for cathode-ray tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62208525A true JPS62208525A (en) | 1987-09-12 |
Family
ID=12869369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61050819A Pending JPS62208525A (en) | 1986-03-07 | 1986-03-07 | Regeneration method and device for cathode-ray tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62208525A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4205404A1 (en) * | 1992-02-20 | 1993-09-16 | Burkhard Hohenberg | CRT disposal process - separates tubes into sections for coating removal and division into glass types and metal components for recycling |
| WO2000014763A1 (en) * | 1998-09-09 | 2000-03-16 | Canon Kabushiki Kaisha | Image display, method for disassembling the same, and method for recovering part |
| JP2000294143A (en) * | 1999-04-02 | 2000-10-20 | Matsushita Electric Ind Co Ltd | Separating method of cathode ray tube from image display panel, cutting method, and separating device |
| US7150804B2 (en) | 2001-12-25 | 2006-12-19 | Canon Kabushiki Kaisha | Method for disassembling image display apparatus, method for producing image display apparatus, method for producing support member, method for producing image display unit, method for producing working material, and image display apparatus |
| CN100377278C (en) * | 1998-09-09 | 2008-03-26 | 佳能株式会社 | Image display, method for disassembling same, and method for recovering part |
| WO2008155625A2 (en) | 2007-06-19 | 2008-12-24 | 5 Pm S.R.L. | Procedure for the treatment of cathode-ray tubes and related system. |
-
1986
- 1986-03-07 JP JP61050819A patent/JPS62208525A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4205404A1 (en) * | 1992-02-20 | 1993-09-16 | Burkhard Hohenberg | CRT disposal process - separates tubes into sections for coating removal and division into glass types and metal components for recycling |
| WO2000014763A1 (en) * | 1998-09-09 | 2000-03-16 | Canon Kabushiki Kaisha | Image display, method for disassembling the same, and method for recovering part |
| US6632113B1 (en) | 1998-09-09 | 2003-10-14 | Canon Kabushiki Kaisha | Image display apparatus, disassembly processing method therefor, and component recovery method |
| US6951494B2 (en) | 1998-09-09 | 2005-10-04 | Canon Kabushiki Kaisha | Spacer recovery method and apparatus used during disassembling of an image display apparatus |
| CN100377278C (en) * | 1998-09-09 | 2008-03-26 | 佳能株式会社 | Image display, method for disassembling same, and method for recovering part |
| US7416462B2 (en) | 1998-09-09 | 2008-08-26 | Canon Kabushiki Kaisha | Glass substrate processing method and material removal process using x-ray fluorescence |
| JP2000294143A (en) * | 1999-04-02 | 2000-10-20 | Matsushita Electric Ind Co Ltd | Separating method of cathode ray tube from image display panel, cutting method, and separating device |
| US7150804B2 (en) | 2001-12-25 | 2006-12-19 | Canon Kabushiki Kaisha | Method for disassembling image display apparatus, method for producing image display apparatus, method for producing support member, method for producing image display unit, method for producing working material, and image display apparatus |
| WO2008155625A2 (en) | 2007-06-19 | 2008-12-24 | 5 Pm S.R.L. | Procedure for the treatment of cathode-ray tubes and related system. |
| WO2008155625A3 (en) * | 2007-06-19 | 2009-02-19 | 5 Pm S R L | Procedure for the treatment of cathode-ray tubes and related system. |
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