JPS6339992B2 - - Google Patents
Info
- Publication number
- JPS6339992B2 JPS6339992B2 JP21534681A JP21534681A JPS6339992B2 JP S6339992 B2 JPS6339992 B2 JP S6339992B2 JP 21534681 A JP21534681 A JP 21534681A JP 21534681 A JP21534681 A JP 21534681A JP S6339992 B2 JPS6339992 B2 JP S6339992B2
- Authority
- JP
- Japan
- Prior art keywords
- spring
- manufacturing
- spring piece
- reel
- reading line
- 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
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 1
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
- G11B23/04—Magazines; Cassettes for webs or filaments
- G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
- G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
Description
【発明の詳細な説明】
本発明はカセツト用リールスプリングの製造方
法に関し、さらに詳しくはテープリールをこれの
回転軸から軸方向に抜けぬよう抜け止めし且つテ
ープの読取り線を備えているリールスプリングの
製造方法に係る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a reel spring for a cassette, and more particularly to a reel spring that prevents a tape reel from coming off in the axial direction from its rotating shaft and is provided with a tape reading line. It pertains to the manufacturing method.
従来のリールスプリングはその読取り線を印刷
して形成しており、斯る読取り線を印刷した後に
型抜きする製造法では次の欠点がある。 Conventional reel springs are formed by printing their reading lines, and the manufacturing method in which the reading lines are printed and then die-cut has the following drawbacks.
印刷ズレによる取付け孔と読取り線との関係
寸法にバラツキが生じ易すい。 The relationship between the mounting hole and the reading line tends to vary due to printing misalignment.
印刷面の剥れ、傷付きを避けられない。 Peeling and scratching of the printed surface cannot be avoided.
剥れ、傷付きを極力最小限に止めるための製
作上の手間を要する。 It requires a lot of effort in production to minimize peeling and damage.
印刷面の剥れ、傷付きを検査する工程が必須
である。 A process of inspecting the printed surface for peeling and scratches is essential.
印刷特有のコスト高を避けられない。 The high costs inherent in printing cannot be avoided.
一方、型抜きした後に読取り線を印刷する製造
方法では
単品づつ印刷するための製作手間を避けられ
ない。 On the other hand, manufacturing methods that print reading lines after cutting out the die cannot avoid the production effort required to print each item individually.
そのために印刷コストが極めて高い。 Therefore, printing costs are extremely high.
印刷ズレにより読取り線が不鮮明になつた
り、取付け孔との関係寸法に歪いが生じ易す
い。 Printing misalignment tends to cause the reading line to become unclear and the dimensions relative to the mounting hole to be distorted.
読取り線、ピンホール、その他の検査工程が
必要である。 Read lines, pinholes, and other inspection steps are required.
等の欠点がある。There are drawbacks such as.
本発明は叙上問題点を一挙に解決したものであ
り、以下その実施の一例を図面に基づいて詳細に
説明する。 The present invention solves the above-mentioned problems at once, and an example of its implementation will be described in detail below with reference to the drawings.
本発明の製造物であるリールスプリング１は大
略十字形状で、その交叉部から前後に僅か延びた
取付け孔部１ａには夫々取付け孔１ｂが開口さ
れ、そして両取付け孔部１ａを結ぶラインからは
読取り線１ｄを有する左右のスプリング片部１ｃ
が夫夫三段下反角状に長く延長成形されている。 The reel spring 1, which is a product of the present invention, is approximately cross-shaped, and mounting holes 1b are opened in the mounting holes 1a slightly extending forward and backward from the intersection, and from the line connecting both mounting holes 1a, there are mounting holes 1b. Left and right spring pieces 1c having reading lines 1d
It is formed into a long, diagonal shape with three tiers.
斯るリールスプリング１は、連続的に進行す
る、表面に黒色等の着色層A1を焼付け形成した
連続平板状のバネ用ステンレス製素板Ａから、そ
の進行方向に沿い順列されている第１工程乃至第
５工程の各装置によつて連続的に成形される。 Such a reel spring 1 is made of a continuous plate-shaped stainless steel blank plate A having a colored layer A 1 of black or the like formed on the surface by baking, and a first plate A which is arranged along the advancing direction. The molding is performed continuously by each device in the step to the fifth step.
第１工程イの装置はプレス装置１０であり、進
行してくる素板にパイロツト孔２，２および取付
け孔１ｂ，１ｂを各成形品毎に打抜き形成する。 The apparatus for the first step A is a press apparatus 10, which punches out pilot holes 2, 2 and attachment holes 1b, 1b for each molded product in the advancing blank plate.
第２工程ロの装置はスクラツパー装置であり、
検索子１１ａ，１１ａでパイロツト孔２，２を捕
捉したる後、次の第３工程で打出されるスプリン
グ片部１ｃ，１ｃの所定個所の着色層A1を罫書
きして読取り線１ｄを夫々形成する。具体的には
着色膜を線状に切除して、素板Ａ地面を表出さ
せ、その露出地面を読取り線１ｄとする。 The equipment for the second process is a scrapper equipment,
After the pilot holes 2, 2 are captured by the search elements 11a, 11a, the colored layers A1 at predetermined locations of the spring pieces 1c, 1c to be punched out in the next third step are marked, and the reading lines 1d are drawn respectively. Form. Specifically, the colored film is cut out in a line to expose the ground of the base plate A, and the exposed ground is used as the reading line 1d.
第３工程ハの装置はプレス装置１２であり、検
索子１２ａ，１２ａでパイロツト孔２，２を捕捉
したる後、取付け孔部１ｂ，１ｂを残して、前の
第２工程ロで読取り線１ｄが施こされているスプ
リング片部１ｃ，１ｃを打出し成形する。 The device for the third step C is a press device 12, and after capturing the pilot holes 2, 2 with the search elements 12a, 12a, leaving the mounting holes 1b, 1b, the reading line 1d is pressed in the previous second step C. The spring pieces 1c, 1c, which have been subjected to this process, are stamped and molded.
第４工程ニの装置はプレス装置１３であり、検
索子１３ａ，１３ａでパイロツト孔２，２を捕捉
したる後、前の第３工程ハで打出されたスプリン
グ片部１ｃ，１ｃを夫々三段下反角状姿態に癖付
けプレスする。 The device in the fourth step 2 is a press device 13, which after capturing the pilot holes 2, 2 with the search elements 13a, 13a, presses the spring pieces 1c, 1c punched out in the previous third step 3 in three stages. Press into an anhedral position.
第５工程ホの装置はプレス装置１４であり、検
索子１４ａ，１４ａでパイロツト孔２，２を捕捉
したる後、両取付け孔部１ａ，１ａを打抜き、成
形品すなわちリールスプリング１を成形分離す
る。 The device in the fifth step E is a press device 14, which captures the pilot holes 2, 2 with the search elements 14a, 14a, punches both the mounting holes 1a, 1a, and molds and separates the molded product, that is, the reel spring 1. .
尚、上記各工程イ，ロ，ハ，ニ，ホにおいて、
素板Ａは停止し、各装置１０，１１，１２，１
３，１４は素板Ａの停止中に叙上の作業を実行し
終えるように集中制御器（図示せず）によつてコ
ントロールされている。 In addition, in each of the above steps A, B, C, D, and E,
The blank A stops, and each device 10, 11, 12, 1
3 and 14 are controlled by a central controller (not shown) so that the above operations are completed while the blank A is stopped.
又、上記実施例において、第２工程ロ乃至第５
工程ホ実行の基準孔であるパイロツト孔２，２位
置は、両スプリング片部１ｃ，１ｃの対角に配置
設定するのが望ましい。 In addition, in the above embodiment, the second step to the fifth step
It is desirable that the pilot holes 2, 2, which are the reference holes for executing the process, are placed diagonally opposite the spring pieces 1c, 1c.
さらに、読取り線１ｄは片方のスプリング片部
１ｃにのみ設けることも自由であるが、双方のス
プリング片部１ｃ，１ｃに設ける態様とすること
により、カセツトへの取付け作業時において、従
来における両スプリング片部の右、左を目視確認
しつつ取付けていた手間、労力を解消して、単に
取付け作業のみに集中でき、それにより生産性の
向上およびコストダウンを達成できる。 Further, although it is possible to provide the reading line 1d only on one of the spring pieces 1c, by providing it on both spring pieces 1c, 1c, it is possible to provide the reading line 1d on both spring pieces 1c, 1c. The time and labor required to visually check the right and left sides of one part during installation can be eliminated, and the user can simply concentrate on the installation work, thereby improving productivity and reducing costs.
したがつて本発明によれば、読取り線位置が正
確で、着色層におけるピンホールや傷のない、所
定形態のリールスプリングを連続的に量産でき、
それにともない成形打抜き後の検査等も不用で、
印刷による従来品よりも低廉安価に量産すること
ができる特徴がある。 Therefore, according to the present invention, it is possible to continuously mass-produce reel springs in a predetermined form with accurate reading line positions and no pinholes or scratches in the colored layer.
Accordingly, there is no need for inspection after molding and punching.
It has the advantage of being able to be mass-produced at a lower cost than conventional printing products.
したがつて商品価値の極めて高い優良品を製造
できて、所期の目的を達成し得る。 Therefore, it is possible to manufacture high-quality products with extremely high commercial value and achieve the intended purpose.
第１図は本発明リールスプリングの製造方法を
示す工程図。第２図は同工程における素板から完
成品が打抜かれるまでを示す拡大平面図。第３図
は本発明により製造したリールスプリングを示す
斜視図。第４図は―線に沿える拡大断面図で
ある。
図中、Ａは素板、A1は着色層、イは第１工程、
ロは第２工程、ハは第３工程、ニは第４工程、ホ
は第５工程、１はリールスプリング、２はパイロ
ツト孔、１ａは取付け孔部、１ｂは取付け孔、１
ｃはスプリング片部、１ｄは読取り線。
FIG. 1 is a process diagram showing a method of manufacturing a reel spring of the present invention. FIG. 2 is an enlarged plan view showing the same process until the finished product is punched out from the blank. FIG. 3 is a perspective view showing a reel spring manufactured according to the present invention. FIG. 4 is an enlarged sectional view taken along the - line. In the figure, A is the base plate, A1 is the colored layer, A is the first process,
B is the second process, C is the third process, D is the fourth process, E is the fifth process, 1 is the reel spring, 2 is the pilot hole, 1a is the mounting hole, 1b is the mounting hole, 1
c is a spring piece, and 1d is a reading line.
Claims (1)
面にテープ巻量の読取り線が施こされているスプ
リング片部とを有するリールスプリングの製造方
法であつて、連続的に移行する、表面に着色層を
焼付けした連続帯板状のバネ用ステンレス製素板
に対して、パイロツト孔および取付け孔を打抜き
する第１工程、着色層を罫書いて読取り線を施こ
す第２工程、取付け孔部を残して、読取り線が施
こされているスプリング片部を打出す第３工程、
スプリング片部を夫々適宜の下反角状姿態に癖付
け打つ第４工程、取付け孔部を打抜いて完成品を
成形分離する第５工程、上記第２工程乃至第５工
程をパイロツト孔を捕捉しつつ実行することを特
徴とするカセツト用リールスプリングの製造方
法。1. A method for manufacturing a reel spring having a mounting hole and a spring piece extending on both sides of the spring piece and having a tape winding amount reading line on its surface, the surface continuously transitioning. The first step is to punch out pilot holes and mounting holes from a continuous band-shaped stainless steel spring plate with a colored layer baked onto it.The second step is to score the colored layer and create reading lines. a third step of punching out the spring piece part on which the reading line is applied, leaving the remaining part;
A fourth step of punching each spring piece into an appropriate anhedral shape, a fifth step of punching out the mounting hole and molding and separating the finished product, and a pilot hole capture for the above second to fifth steps. A method for manufacturing a reel spring for a cassette, characterized in that the manufacturing method is carried out while
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21534681A JPS58118069A (en) | 1981-12-29 | 1981-12-29 | Production of reel spring for cassette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21534681A JPS58118069A (en) | 1981-12-29 | 1981-12-29 | Production of reel spring for cassette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58118069A JPS58118069A (en) | 1983-07-13 |
| JPS6339992B2 true JPS6339992B2 (en) | 1988-08-09 |
Family
ID=16670774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21534681A Granted JPS58118069A (en) | 1981-12-29 | 1981-12-29 | Production of reel spring for cassette |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58118069A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5052634A (en) * | 1990-01-29 | 1991-10-01 | Shape Inc. | Static tape cassette reel lock |
| KR970701793A (en) * | 1994-08-09 | 1997-04-12 | 티. 무라스키 제임스 | Reel spring (COATED MAGNETIC TAPE CASSETTE SPRING) of magnetic tape cassette made of magnet steel |
| JP2001297560A (en) * | 2000-04-14 | 2001-10-26 | Fuji Photo Film Co Ltd | Magnetic tape cassette |
-
1981
- 1981-12-29 JP JP21534681A patent/JPS58118069A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58118069A (en) | 1983-07-13 |
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