JPS61167075U - - Google Patents
Info
- Publication number
- JPS61167075U JPS61167075U JP4866785U JP4866785U JPS61167075U JP S61167075 U JPS61167075 U JP S61167075U JP 4866785 U JP4866785 U JP 4866785U JP 4866785 U JP4866785 U JP 4866785U JP S61167075 U JPS61167075 U JP S61167075U
- Authority
- JP
- Japan
- Prior art keywords
- jacket
- areas
- welded
- liner
- discrete
- 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
- 238000003466 welding Methods 0.000 description 2
Description
第１図は磁気デイスクジヤケツトの正面図、第
２図は同断面図、第３図は本考案の実施例による
磁気デイスクジヤケツトの折込み前の平面図、第
４図は本考案の第２実施例による磁気デイスクジ
ヤケツトの同様な平面図、及び第５図は非溶着領
域の割合と回転トルクの関係を示すグラフである
。
１：ジヤケツトシート、２：ライナー、３：円
形開口、４：長円形開口、５：円形小孔、６：磁
気デイスク、７：溶着領域、８〜２１：非溶着部
。
FIG. 1 is a front view of the magnetic disk jacket, FIG. 2 is a cross-sectional view thereof, FIG. 3 is a plan view of the magnetic disk jacket according to the embodiment of the present invention before folding, and FIG. 4 is the second embodiment of the magnetic disk jacket of the present invention. A similar plan view of the magnetic disk jacket according to the embodiment and FIG. 5 are graphs showing the relationship between the proportion of non-welded area and rotational torque. 1: Jacket sheet, 2: Liner, 3: Circular opening, 4: Oval opening, 5: Circular small hole, 6: Magnetic disk, 7: Welding area, 8-21: Non-welding part.
Claims (1)
外方に延びる磁気ヘツドウインドー用長円形開口
とを有する一対のジヤケツトシート、及び前記各
ジヤケツトシートの内面に定着されたライナーと
より成るジヤケツトにおいて、前記ライナーは飛
び飛びの個所に非溶着領域を有し、残りの領域は
前記ジヤケツト内面にランダムまたは所定間隔の
多数の点で点溶着されており、且つ非溶着領域は
磁気デイスクのトラツク全幅に残りなく接触しう
る位置に配置されていることを特徴とする磁気デ
イスクジヤケツト。 ２ 飛び飛びの領域は放射状長円形である前記第
１項記載のジヤケツト。 ３ 飛び飛びの領域は円形である前記第１項記載
のジヤケツト。[Claims for Utility Model Registration] 1. A pair of jacket sheets having a central circular opening and an oblong opening for a magnetic head window extending radially outward from the vicinity of the opening, and an inner surface of each jacket sheet. In a jacket comprising a liner fixed to the jacket, the liner has non-welded areas at discrete locations, and the remaining areas are point-welded to the inner surface of the jacket at a number of points randomly or at predetermined intervals, and the liner has non-welded areas at discrete locations, and A magnetic disk jacket characterized in that the welded area is arranged at a position where it can completely contact the entire width of the track of the magnetic disk. 2. The jacket according to item 1 above, wherein the discrete areas are radially oval. 3. The jacket according to item 1 above, wherein the discrete areas are circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4866785U JPS61167075U (en) | 1985-04-03 | 1985-04-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4866785U JPS61167075U (en) | 1985-04-03 | 1985-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61167075U true JPS61167075U (en) | 1986-10-16 |
Family
ID=30565142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4866785U Pending JPS61167075U (en) | 1985-04-03 | 1985-04-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61167075U (en) |
-
1985
- 1985-04-03 JP JP4866785U patent/JPS61167075U/ja active Pending