JPS5834603Y2 - guide cylinder - Google Patents
guide cylinderInfo
- Publication number
- JPS5834603Y2 JPS5834603Y2 JP5999479U JP5999479U JPS5834603Y2 JP S5834603 Y2 JPS5834603 Y2 JP S5834603Y2 JP 5999479 U JP5999479 U JP 5999479U JP 5999479 U JP5999479 U JP 5999479U JP S5834603 Y2 JPS5834603 Y2 JP S5834603Y2
- Authority
- JP
- Japan
- Prior art keywords
- guide cylinder
- dew
- dew condensation
- present
- tape
- 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
Links
Landscapes
- Polyamides (AREA)
Description
【考案の詳細な説明】
本考案は、露結解消期間を縮減したガイドシリンダに関
する。[Detailed Description of the Invention] The present invention relates to a guide cylinder that reduces the dew condensation elimination period.
ビデオテープレコーダに環境変化によってガイドシリン
ダ局面が露結状態に陥ることがあり、露結によってテー
プの走行が不能になる。Due to environmental changes in a video tape recorder, the surface of the guide cylinder may become condensed, and the tape becomes unable to run due to the condensation.
そこで従来は、櫛歯状電極を対向せしめ露結金インピー
ダンス変化として検知する露結センサを配し、露結セン
サの検出出力発生に伴ってテープを自動停止せしめるよ
う構成してトリ、露結後はガイドシリンダ上部より熱風
を吹き付はガイドシリンダ局面に付着形成された露滴乞
気化せしめている。Therefore, in the past, a dew condensation sensor was arranged with comb-shaped electrodes facing each other to detect changes in the impedance of dew condensation, and the tape was configured to automatically stop when the detection output of the dew condensation sensor was generated. The hot air is blown from the top of the guide cylinder, causing the dew droplets formed on the guide cylinder surface to evaporate.
しかし気化即ち露結解消に要する時間は、付着形成され
る露滴が粒子状に形成されるため、相当長時間に及ぶこ
とが確認されている。However, it has been confirmed that the time required for vaporization, that is, for eliminating dew condensation, is quite long because the attached dew droplets are formed in the form of particles.
よって本考案は、上述の点に鑑みガイドシリンダ周面に
露滴が粒子状に形成されることを阻止する新規な構成を
提案せんとするものである。Therefore, in view of the above-mentioned points, the present invention proposes a new structure that prevents dew droplets from forming in the form of particles on the circumferential surface of the guide cylinder.
以下本考案を図示せる一実施例に従い説明する。The present invention will be described below with reference to an illustrative embodiment.
図は本考案の一実施例に係るガイドシリンダの断面を模
式的に顕わし、上部及び下部ガイドシリンダ１，２の筒
面全域に界面活性剤を塗布して塗布膜３を形成したガイ
ドシリンダにテープＴを装架した状態を顕わす。The figure schematically shows a cross section of a guide cylinder according to an embodiment of the present invention, and shows a guide cylinder in which a coating film 3 is formed by applying a surfactant to the entire cylindrical surface of the upper and lower guide cylinders 1 and 2. Shows the state in which the tape T is mounted.
よって本実施例によれば露結状態に於てガイドシリンダ
周面に付着する露滴は粒状に形成されることなく層状に
形成され、筒面を落下して基板４上に達するため、筒面
に付着する露滴の量は従来に比し少なくなり、露結解消
に要する期間も従来に比し少なくて済む。Therefore, according to this embodiment, the dew droplets that adhere to the circumferential surface of the guide cylinder in the dew state are not formed in the form of particles but are formed in the form of a layer, falling down the cylinder surface and reaching the substrate 4. The amount of dew droplets adhering to the surface is smaller than in the past, and the time required to eliminate the dew condensation is also shorter than in the past.
伺本実施例に採用する界面活性剤としては、アルキルフ
ェノール酸化エチレン付加体の硫酸エステル塩、アルキ
ルアミン酸化エチレン付加体の塩とアルキルトリメチル
アンモニウム塩の混合物、塩化ナトリウムを含むカルボ
キシメチルセルロース等種々の物質が有効ではあるが、
特に水溶性物質を採用する場合は図示せる如く塗布膜を
上部に厚く形成する必要がある。The surfactants used in this example include various substances such as sulfuric ester salts of alkylphenol ethylene oxide adducts, mixtures of alkylamine ethylene oxide adduct salts and alkyltrimethylammonium salts, and carboxymethylcellulose containing sodium chloride. Although effective,
In particular, when a water-soluble substance is used, it is necessary to form a thick coating film on the upper part as shown in the figure.
よって本考案によれば、露結解消に要する時間を短縮で
き、その効果は犬である。Therefore, according to the present invention, the time required for eliminating dew condensation can be shortened, and the effect is great for dogs.
図は本考案の一実施例に係るガイドシリンダの断面図。
主な゛図番の説明、１，２・・・上部・下部ガイドシリ
ンダー ３・・・界面活性剤の塗布膜、Ｔ・・・テープ
。The figure is a sectional view of a guide cylinder according to an embodiment of the present invention. Explanation of main drawing numbers, 1, 2... Upper and lower guide cylinders 3... Surfactant coating film, T... Tape.
Claims (1)
徴とするガイドシリンダ。A guide cylinder characterized in that a surfactant is formed on the guide cylinder surface of a magnetic tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5999479U JPS5834603Y2 (en) | 1979-05-04 | 1979-05-04 | guide cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5999479U JPS5834603Y2 (en) | 1979-05-04 | 1979-05-04 | guide cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55160545U JPS55160545U (en) | 1980-11-18 |
| JPS5834603Y2 true JPS5834603Y2 (en) | 1983-08-03 |
Family
ID=29293982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5999479U Expired JPS5834603Y2 (en) | 1979-05-04 | 1979-05-04 | guide cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5834603Y2 (en) |
-
1979
- 1979-05-04 JP JP5999479U patent/JPS5834603Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55160545U (en) | 1980-11-18 |
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