JP2000173473A5 - - Google Patents

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JP2000173473A5
JP2000173473A5 JP1998347571A JP34757198A JP2000173473A5 JP 2000173473 A5 JP2000173473 A5 JP 2000173473A5 JP 1998347571 A JP1998347571 A JP 1998347571A JP 34757198 A JP34757198 A JP 34757198A JP 2000173473 A5 JP2000173473 A5 JP 2000173473A5
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Japan
Prior art keywords
ray tube
cathode ray
panel
funnel
separating
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JP1998347571A
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Japanese (ja)
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JP4263283B2 (en
JP2000173473A (en
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Priority to JP34757198A priority Critical patent/JP4263283B2/en
Priority claimed from JP34757198A external-priority patent/JP4263283B2/en
Publication of JP2000173473A publication Critical patent/JP2000173473A/en
Publication of JP2000173473A5 publication Critical patent/JP2000173473A5/ja
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Publication of JP4263283B2 publication Critical patent/JP4263283B2/en
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Description

【特許請求の範囲】
【請求項1】ファンネルとパネルとがフリットガラスにより融着された陰極線管を、前記ファンネルと前記パネルとに分離する方法であって、
外部に露出した前記フリットガラスの一部又は全部を機械的外力を加えることにより平面状に加工する工程と、
前記平面内の、前記ファンネルと前記パネルとの接合部に対応する位置に溝を形成する工程と、
前記陰極線管に温液体と冷液体とを付与する工程とを有することを特徴とする陰極線管のファンネルとパネルとの分離方法。
【請求項2】前記平面状に機械加工する工程が、砥石による研削加工により行なわれる請求項1に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項3】前記溝をバイトを用いて1〜3mmの深さに形成する請求項1に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項4】前記フリットガラスの平面状の加工が、ショットブラストにより行なわれる請求項1に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項5】前記ショットブラストを、アルミナ粒子を用いて行なう請求項4に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項6】前記温液体と冷液体との付与を、温液体、冷液体、温液体の順に付与する請求項1に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項7】前記温液体と冷液体とをシートを介して前記陰極線管に付与する請求項1に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項8】前記シートが、樹脂フィルムである請求項7に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項9】前記温液体と冷液体との付与を、前記陰極線管を、温液体を貯蔵して攪拌する温液体槽と、冷液体を貯蔵して攪拌する冷液体槽とに交互に浸漬することにより行なう請求項1に記載の陰極線管のファンネルとパネルとの分離方法。
【請求項10】ファンネルとパネルとがフリットガラスにより融着された陰極線管を、前記パネル面の中央部での法線を回転中心として回転可能に支持する回転テーブルと、
外部に露出した前記フリットガラスの一部又は全部を除去して平面を形成する研削装置と、
形成された前記平面に溝を形成する溝形成装置とを備えたことを特徴とする陰極線管のフリットガラスの除去装置。
【請求項11】前記研削装置が、円筒形砥石を備える請求項10に記載の陰極線管のフリットガラスの除去装置。
【請求項12】前記溝形成装置が、バイトを備える請求項10に記載の陰極線管のフリットガラスの除去装置。
【請求項13】更に前記回転テーブルに設置された陰極線管の前記フリットガラスの高さを測定する高さ測定装置と、前記高さに応じて前記陰極線管、前記研削装置、及び前記溝形成装置の少なくとも一つの高さを変更できる高さ調整装置とを有する請求項10に記載の陰極線管のフリットガラスの除去装置。
【請求項14】更に前記陰極線管の外周面のならい装置を有し、前記ならい装置により得た形状データをもとに、前記研削装置及び前記溝形成装置の切り込み方向の送り量を制御する請求項10に記載の陰極線管のフリットガラスの除去装置。
[Claims]
1. A method of separating a cathode ray tube in which a funnel and a panel are fused by frit glass into the funnel and the panel.
A process of processing a part or all of the frit glass exposed to the outside into a flat surface by applying a mechanical external force.
A step of forming a groove at a position corresponding to a joint between the funnel and the panel in the plane.
A method for separating a funnel and a panel of a cathode ray tube, which comprises a step of applying a hot liquid and a cold liquid to the cathode ray tube.
2. The method for separating a funnel and a panel of a cathode ray tube according to claim 1 , wherein the step of machining the flat surface is performed by grinding with a grindstone.
3. The method for separating a funnel and a panel of a cathode ray tube according to claim 1 , wherein the groove is formed to a depth of 1 to 3 mm using a bite.
4. The method for separating a funnel and a panel of a cathode ray tube according to claim 1, wherein the flat processing of the frit glass is performed by shot blasting.
5. The method for separating a funnel and a panel of a cathode ray tube according to claim 4 , wherein the shot blasting is performed using alumina particles.
6. The method for separating a funnel and a panel of a cathode ray tube according to claim 1, wherein the hot liquid and the cold liquid are applied in the order of the hot liquid, the cold liquid, and the hot liquid.
7. The method for separating a funnel and a panel of a cathode ray tube according to claim 1, wherein the hot liquid and the cold liquid are applied to the cathode ray tube via a sheet.
8. The method for separating a funnel and a panel of a cathode ray tube according to claim 7 , wherein the sheet is a resin film.
9. The application of the hot liquid and the cold liquid is alternately immersed in the hot liquid tank for storing and stirring the hot liquid and the cold liquid tank for storing and stirring the cold liquid. The method for separating the funnel and the panel of the cathode ray tube according to claim 1.
10. A rotary table that rotatably supports a cathode ray tube in which a funnel and a panel are fused by frit glass with a normal at the center of the panel surface as a rotation center.
A grinding device that removes part or all of the frit glass exposed to the outside to form a flat surface.
A device for removing frit glass of a cathode ray tube, which comprises a groove forming device for forming a groove on the formed flat surface.
Wherein said grinding device, apparatus for removing the frit glass of the cathode ray tube according to claim 1 0 comprising a cylindrical grindstone.
12. The method of claim 11, wherein the groove forming apparatus, apparatus for removing the frit glass of the cathode ray tube according to claim 1 0 comprising a byte.
13. Further, a height measuring device for measuring the height of the frit glass of the cathode ray tube installed on the rotary table, and the cathode ray tube, the grinding device, and the groove forming device according to the height. apparatus for removing the frit glass of the cathode ray tube according to claim 1 0 having at least one height level can change the adjustment device.
14. A claim for further comprising a tracing device for the outer peripheral surface of the cathode ray tube, and controlling the feed amount in the cutting direction of the grinding device and the groove forming device based on the shape data obtained by the tracing device. apparatus for removing the frit glass of the cathode ray tube according to claim 1 0.

JP34757198A 1998-12-07 1998-12-07 Separation method and separation device for funnel and panel of cathode ray tube Expired - Fee Related JP4263283B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34757198A JP4263283B2 (en) 1998-12-07 1998-12-07 Separation method and separation device for funnel and panel of cathode ray tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34757198A JP4263283B2 (en) 1998-12-07 1998-12-07 Separation method and separation device for funnel and panel of cathode ray tube

Publications (3)

Publication Number Publication Date
JP2000173473A JP2000173473A (en) 2000-06-23
JP2000173473A5 true JP2000173473A5 (en) 2005-12-15
JP4263283B2 JP4263283B2 (en) 2009-05-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP34757198A Expired - Fee Related JP4263283B2 (en) 1998-12-07 1998-12-07 Separation method and separation device for funnel and panel of cathode ray tube

Country Status (1)

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JP (1) JP4263283B2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7310072B2 (en) 1993-10-22 2007-12-18 Kopin Corporation Portable communication display device

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