JP2565075B2 - Thermoplastic synthetic resin cover and method of manufacturing the same - Google Patents
Thermoplastic synthetic resin cover and method of manufacturing the sameInfo
- Publication number
- JP2565075B2 JP2565075B2 JP5054720A JP5472093A JP2565075B2 JP 2565075 B2 JP2565075 B2 JP 2565075B2 JP 5054720 A JP5054720 A JP 5054720A JP 5472093 A JP5472093 A JP 5472093A JP 2565075 B2 JP2565075 B2 JP 2565075B2
- Authority
- JP
- Japan
- Prior art keywords
- hinge
- cover
- lower ends
- synthetic resin
- thermoplastic synthetic
- 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 - Lifetime
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Description
【０００１】[0001]
【産業上の利用分野】本発明は、書類をファイルするリ
ングファイル等に用いられる熱可塑性合成樹脂製表紙お
よびその製造方法に関し、より特定的には、左右一対の
表紙と両表紙間に配設される背との間に二重ヒンジをそ
れぞれ形成した熱可塑性合成樹脂製表紙およびその製造
方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermoplastic synthetic resin cover used for a ring file for filing documents and a method for manufacturing the same, and more specifically, a pair of left and right covers and a cover disposed between the covers. The present invention relates to a thermoplastic synthetic resin cover having double hinges formed between the cover and a spine, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】図４は、従来の熱可塑性合成樹脂製表紙
の製造工程を示す図である。図４（１）に裁断工程によ
り製造される表紙体を示し、図４（２）にヒンジ作成工
程により製造される熱可塑性合成樹脂製表紙を示す。こ
の裁断工程と、ヒンジ作成工程とを経て熱可塑性合成樹
脂製表紙１００が製造される。まず、裁断工程で、ＰＰ
（ポリプロピレン）シート等の平板状の熱可塑性合成樹
脂製樹脂シート（図示せず）を抜き型等で裁断し、所定
の形状の表紙体１０１が作成される（図４（１）参
照）。表紙体１０１は、左右一対の表紙部１０２，１０
３と、両表紙部１０２，１０３間に配設される背部１０
４と、表紙部１０２，１０３と背部１０４との間に上下
両端にわたるヒンジ部１０５，１０６とを含む。図５
は、ヒンジ部１０５の上端部付近γの部分拡大図であ
る。図５（１）にその上端部付近γを正面から見た部分
拡大図を示し、図５（２）にその上端部付近γを上部側
面からみた部分拡大図を示す。ヒンジ部１０５の下端部
付近、ヒンジ部１０６の上下端部付近も同様になってい
る。この裁断工程では、表紙体１０１の上下両端を直線
で裁断し、表紙部１０２，１０３と、背部１０４と、ヒ
ンジ部１０５，１０６との上下両端を揃えるようにして
いた。2. Description of the Related Art FIG. 4 is a diagram showing a manufacturing process of a conventional thermoplastic synthetic resin cover. FIG. 4 (1) shows a cover sheet manufactured by the cutting step, and FIG. 4 (2) shows a thermoplastic synthetic resin cover sheet manufactured by the hinge forming step. The thermoplastic synthetic resin cover sheet 100 is manufactured through the cutting step and the hinge forming step. First, in the cutting process, PP
A flat thermoplastic resin sheet (not shown) such as a (polypropylene) sheet is cut with a punching die or the like to form a cover 101 having a predetermined shape (see FIG. 4 (1)). The cover sheet 101 includes a pair of left and right cover sheets 102, 10
3 and the back portion 10 arranged between the cover portions 102 and 103.
4, and cover portions 102, 103 and spine portions 104, and hinge portions 105, 106 extending over both upper and lower ends. Figure 5
FIG. 7 is a partial enlarged view of the vicinity of the upper end portion γ of the hinge portion 105. FIG. 5 (1) shows a partially enlarged view of the vicinity of the upper end portion γ as seen from the front, and FIG. 5 (2) shows a partially enlarged view of the vicinity of the upper end portion γ as seen from the upper side surface. The same applies to the vicinity of the lower end portion of the hinge portion 105 and the vicinity of the upper and lower end portions of the hinge portion 106. In this cutting step, the upper and lower ends of the cover sheet 101 are cut with straight lines so that the upper and lower ends of the cover portions 102 and 103, the back portion 104, and the hinge portions 105 and 106 are aligned.
【０００３】次いで、ヒンジ作成工程で、表紙体１０１
のヒンジ部１０５，１０６を熱圧加工して二重ヒンジ１
０７，１０８が作成される（図４（２）参照）。これに
よって、二重ヒンジ１０７，１０８の両側方に表紙１０
９，１１０が、二重ヒンジ１０７，１０８間に背１１１
が作成され、熱可塑性合成樹脂製表紙１００が製造され
る。図６は、二重ヒンジ１０７の上端部付近δの部分拡
大図である。図６（１）にその上端部付近δを正面から
見た部分拡大図を示し、図６（２）にその上端部付近δ
を上部側面からみた部分拡大図を示す。二重ヒンジ１０
７の下端部付近、二重ヒンジ１０８の上下端部付近も同
様になっている。このようにして製造された熱可塑性合
成樹脂製表紙１００の背１１１や表紙１０９，１１０に
は、とじ具が装着される。Next, in the hinge making process, the cover sheet 101
Double hinge 1 by heat-pressing hinge parts 105 and 106 of
07 and 108 are created (see FIG. 4 (2)). As a result, the cover 10 is provided on both sides of the double hinges 107 and 108.
9, 110 has a spine 111 between the double hinges 107, 108.
And the cover sheet 100 made of thermoplastic synthetic resin is manufactured. FIG. 6 is a partially enlarged view of the vicinity of the upper end portion δ of the double hinge 107. FIG. 6 (1) shows a partially enlarged view of the vicinity δ of the upper end viewed from the front, and FIG. 6 (2) shows the vicinity δ of the upper end.
The partial enlarged view which looked at from the upper side is shown. Double hinge 10
The same applies to the vicinity of the lower end of No. 7 and the upper and lower ends of the double hinge 108. A binding tool is attached to the spine 111 and the covers 109 and 110 of the thermoplastic synthetic resin cover 100 thus manufactured.
【０００４】[0004]
【発明が解決しようとする課題】しかし、熱圧加工で二
重ヒンジ１０７，１０８が作成されるので、熱圧により
二重ヒンジ１０７，１０８が上下方向に延びる。したが
って、従来の熱可塑性合成樹脂製表紙１００では、二重
ヒンジ１０７，１０８の上下両端に表紙１０９，１１０
および背１１１の上下両端より延出する凸部１０７ａ，
１０７ｂ，１０８ａ，１０８ｂが形成されてしまうこと
になった。この凸部１０７ａ，１０７ｂ，１０８ａ，１
０８ｂが延出していると、美感を損ねるという問題点が
生じる。また熱可塑性合成樹脂製表紙１００の取り出し
時に、他の書類を引っかけてしまい、他の書類を破損す
る危険性がある。また、使用者が凸部１０７ａ，１０７
ｂ，１０８ａ，１０８ｂに指等を引っかけやすいため、
危険性が大きいという問題点があった。However, since the double hinges 107 and 108 are formed by hot pressing, the double hinges 107 and 108 are extended in the vertical direction by the heat and pressure. Therefore, in the conventional thermoplastic synthetic resin cover sheet 100, the cover sheets 109 and 110 are provided on the upper and lower ends of the double hinges 107 and 108, respectively.
And convex portions 107a extending from the upper and lower ends of the spine 111,
107b, 108a, and 108b will be formed. The convex portions 107a, 107b, 108a, 1
When 08b is extended, there is a problem that the aesthetic sense is impaired. Further, when the thermoplastic synthetic resin cover 100 is taken out, there is a risk that other documents may be caught and damaged. In addition, the user can
b, 108a, 108b can be easily caught by fingers,
There was a problem that the danger was great.
【０００５】一方、美感を向上させるとともに危険性を
防止するために、凸部１０７ａ，１０７ｂ，１０８ａ，
１０８ｂを削り取ることも考えられる。しかし、この場
合には凸部１０７ａ，１０７ｂ，１０８ａ，１０８ｂの
削り取り工程が別途必要になり、この削り取り工程の増
加のため熱可塑性合成樹脂製表紙が高価になるという問
題点が生じる。On the other hand, in order to improve aesthetics and prevent danger, the convex portions 107a, 107b, 108a,
It is also possible to scrape off 108b. However, in this case, a step of scraping off the convex portions 107a, 107b, 108a, 108b is required separately, and the problem that the thermoplastic synthetic resin cover becomes expensive due to the increase of this scraping step occurs.
【０００６】本発明は、上述の技術的課題を解決し、美
感を向上させ、危険性を防止するとともに、安価な熱可
塑性合成樹脂製表紙およびその製造方法を提供すること
を目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to solve the above technical problems, improve aesthetics, prevent danger and provide an inexpensive thermoplastic synthetic resin cover sheet and a method for producing the same.
【０００７】[0007]
【課題を解決するための手段】請求項１の熱可塑性合成
樹脂製表紙は、熱可塑性合成樹脂製シートを所定の形状
に裁断する裁断工程と所定の形状に裁断された熱可塑性
合成樹脂製シートの所定の位置に熱圧加工して二重ヒン
ジを作成するヒンジ作成工程とを経て製造されるもので
あって、左右一対の表紙と、両表紙間に配設される背
と、両表紙と背との間に上下両端にわたってそれぞれ形
成された二重ヒンジとを備え、裁断工程において二重ヒ
ンジを作成するヒンジ部の上下両端にそれぞれ端部延出
防止用の切り欠きを予め形成し、ヒンジ作成工程を経る
ことにより作成された二重ヒンジの上下両端から切り欠
きを消滅させ、二重ヒンジの上下両端と両表紙および背
の上下両端とを揃えるようにしたことを特徴とする。A thermoplastic synthetic resin cover sheet according to claim 1 is a cutting step of cutting a thermoplastic synthetic resin sheet into a predetermined shape and a thermoplastic synthetic resin sheet cut into a predetermined shape. Which is manufactured through a hinge forming process in which a double hinge is formed by heat-pressing at a predetermined position of, a pair of left and right cover sheets, a spine arranged between both cover sheets, and both cover sheets. A double hinge formed over the upper and lower ends between the back and the back, respectively, in the cutting step to form a double hinge, the hinge part is formed in advance with a notch for preventing end extension respectively at the upper and lower ends. It is characterized in that the notches are eliminated from the upper and lower ends of the double hinge created through the creating process, and the upper and lower ends of the double hinge are aligned with the upper and lower ends of both covers and spines.
【０００８】請求項２の熱可塑性合成樹脂製表紙の製造
方法は、左右一対の表紙と両表紙間に配設される背との
間に上下両端にわたる二重ヒンジをそれぞれ形成したも
のであって、熱可塑性合成樹脂製シートを裁断し、両表
紙となる表紙部と、背となる背部と、両二重ヒンジが形
成されるヒンジ部とを含む所定の形状の表紙体を作成す
る裁断工程と、表紙体のヒンジ部を熱圧加工して二重ヒ
ンジを作成するとともに、両表紙および背を作成するヒ
ンジ作成工程とを備え、裁断工程においてヒンジ部の上
下両端に端部延出防止用の切り欠きを裁断によって形成
し、ヒンジ作成工程において作成された二重ヒンジの上
下両端から切り欠きを消滅させ、二重ヒンジの上下両端
と両表紙および背の上下両端とを揃えるようにしたこと
を特徴とする。According to a second aspect of the present invention, there is provided a method for producing a cover sheet made of a thermoplastic synthetic resin, wherein a double hinge extending over both upper and lower ends is formed between a pair of left and right cover sheets and a spine arranged between both cover sheets. A cutting step of cutting a thermoplastic synthetic resin sheet to form a cover body having a predetermined shape including a cover portion serving as both covers, a back portion serving as a spine, and a hinge portion having both double hinges formed, The hinge part of the cover body is heat-pressed to create a double hinge, and a hinge creating process for creating both covers and spines is provided. The notch was formed by cutting, and the notch was eliminated from the upper and lower ends of the double hinge created in the hinge making process so that the upper and lower ends of the double hinge were aligned with the upper and lower ends of the cover and spine. Characterize.
【０００９】[0009]
【作用】請求項１の熱可塑性合成樹脂製表紙において
は、裁断工程において表紙体の二重ヒンジを作成するヒ
ンジ部の上下両端にそれぞれ端部延出防止用の切り欠き
を予め形成する。ヒンジ作成工程において作成された二
重ヒンジの上下両端から切り欠きを消滅さる。これによ
って、二重ヒンジの上下両端と両表紙および背の上下両
端とが揃った、美感に優れ、危険性を防止し、安価な熱
可塑性合成樹脂製表紙を提供できる。In the thermoplastic synthetic resin cover sheet according to the first aspect of the present invention, notches for preventing end extension are formed in advance at the upper and lower ends of the hinge portion for forming the double hinge of the cover body in the cutting step. The notches are eliminated from the upper and lower ends of the double hinge created in the hinge creating process. This makes it possible to provide an inexpensive thermoplastic synthetic resin cover sheet in which the upper and lower ends of the double hinge are aligned with the upper and lower ends of the cover and the spine, which are aesthetically pleasing and prevent danger.
【００１０】請求項２の熱可塑性合成樹脂製表紙の製造
方法においては、裁断工程においてヒンジ部の上下両端
に端部延出防止用の切り欠きを裁断によって形成し、ヒ
ンジ作成工程において作成された二重ヒンジの上下両端
から切り欠きを消滅させるようにしている。これによっ
て、少ない工程で、美感に優れ、危険性を防止し、安価
な熱可塑性合成樹脂製表紙を製造できる。In the method for manufacturing a cover sheet made of a thermoplastic synthetic resin according to a second aspect of the present invention, cutouts are formed at the upper and lower ends of the hinge portion to prevent the extension of the end portion in the cutting step, and are formed in the hinge forming step. The notches are eliminated from the upper and lower ends of the double hinge. This makes it possible to manufacture an inexpensive thermoplastic synthetic resin cover sheet which is excellent in aesthetics, prevents danger, and can be produced in a small number of steps.
【００１１】[0011]
【実施例】以下、図面に基づいて本発明の実施例を説明
する。図１は、本発明の一実施例の熱可塑性合成樹脂製
表紙の製造工程を示す図である。図１（１）に裁断工程
により製造される表紙体を示し、図１（２）にヒンジ作
成工程により製造される熱可塑性合成樹脂製表紙を示
す。この裁断工程と、ヒンジ作成工程とを経て熱可塑性
合成樹脂製表紙１が製造される。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing a manufacturing process of a thermoplastic synthetic resin cover sheet according to an embodiment of the present invention. FIG. 1 (1) shows a cover body produced by the cutting step, and FIG. 1 (2) shows a thermoplastic synthetic resin cover sheet produced by the hinge making step. The thermoplastic synthetic resin cover sheet 1 is manufactured through the cutting step and the hinge forming step.
【００１２】まず、裁断工程で、ＰＰシート等の平板状
の熱可塑性合成樹脂製樹脂シート（図示せず）を抜き型
等で裁断し、所定の形状の表紙体２が作成される（図１
（１）参照）。表紙体２は、左右一対の表紙部３，４
と、両表紙部３，４間に配設される背部５と、表紙部
３，４と背部５との間に上下両端にわたるヒンジ部６，
７とを含む。この裁断工程では、表紙体２の表紙部３，
４と、背部５との上下両端は直線で裁断し、表紙部３，
４と、背部５との上下両端を揃えるようにする。一方、
ヒンジ部６，７の上下両端は、台形状に裁断される。こ
れによって、ヒンジ部６，７の上下両端に端部延出防止
用の切り欠き８，９，１０，１１が形成される。図２
は、切り欠き８付近αの部分拡大図である。図２（１）
に切り欠き８付近αを正面から見た部分拡大図を示し、
図２（２）に切り欠き８付近αを上部側面からみた部分
拡大図を示す。切り欠き９，１０，１１付近も同様にな
っている。このような切り欠き８，９，１０，１１は、
例えば抜き型に台形状の直線刃を設けておくことにより
容易に形成することができる。First, in a cutting step, a flat plate-like thermoplastic synthetic resin sheet (not shown) such as a PP sheet is cut with a punching die or the like to form a cover 2 having a predetermined shape (FIG. 1).
(See (1)). The cover body 2 includes a pair of left and right cover portions 3, 4
And a spine portion 5 arranged between the cover portions 3 and 4, and a hinge portion 6 extending between upper and lower ends between the cover portion 3 and 4 and the spine portion 5.
Including 7 and. In this cutting step, the cover portion 3 of the cover body 2,
4 and the upper and lower ends of the back part 5 are cut with straight lines, and the cover part 3,
The upper and lower ends of 4 and the back part 5 are aligned. on the other hand,
The upper and lower ends of the hinges 6 and 7 are cut into trapezoids. As a result, notches 8, 9, 10, 11 for preventing the extension of the end portions are formed at the upper and lower ends of the hinge portions 6, 7. Figure 2
[FIG. 7] is a partially enlarged view of a portion near a notch 8; Figure 2 (1)
Shows a partially enlarged view of the notch 8 vicinity α from the front,
FIG. 2 (2) shows a partially enlarged view of the vicinity of the notch 8 as seen from the upper side surface. The same applies to the vicinity of the notches 9, 10, and 11. Such notches 8, 9, 10, 11 are
For example, it can be easily formed by providing a trapezoidal straight blade on the cutting die.
【００１３】次いで、ヒンジ作成工程で、表紙体２のヒ
ンジ部６，７を熱圧加工して二重ヒンジ１２，１３が作
成される（図１（２）参照）。これによって、二重ヒン
ジ１２，１３の両側方に表紙１４，１５が、二重ヒンジ
１２，１３間に背１６が作成され、熱可塑性合成樹脂製
表紙１が製造される。ところで、熱圧加工で二重ヒンジ
１２，１３が作成されるので、熱圧により二重ヒンジ１
２，１３が上下方向に延びる。このため、二重ヒンジ１
２，１３の上下両端から切り欠き８，９，１０，１１が
消滅する。図３は、二重ヒンジ１２の上端部付近βの部
分拡大図である。図３（１）にその上端部付近βを正面
から見た部分拡大図を示し、図３（２）にその上端部付
近βを上部側面からみた部分拡大図を示す。二重ヒンジ
１２の下端部付近、二重ヒンジ１３の上下端部付近も同
様になっている。したがって、表紙１４，１５と、背１
６と、二重ヒンジ１２，１３との上下両端が揃い、熱可
塑性合成樹脂製表紙１の上下両端が直線になる。このよ
うにして製造された熱可塑性合成樹脂製表紙１の背１６
や表紙１４，１５には、とじ具が装着される。この熱可
塑性合成樹脂製表紙１は、二重ヒンジ１２，１３に凸部
がないので、美感に優れ、危険性もない。また、凸部の
削除工程の必要がないので、熱可塑性合成樹脂製表紙１
を安価に製造することができる。Next, in the hinge forming step, the hinge portions 6 and 7 of the cover body 2 are hot pressed to form the double hinges 12 and 13 (see FIG. 1 (2)). As a result, the cover sheets 14 and 15 are formed on both sides of the double hinges 12 and 13, and the spine 16 is formed between the double hinges 12 and 13, so that the thermoplastic synthetic resin cover sheet 1 is manufactured. By the way, since the double hinges 12 and 13 are formed by hot pressing, the double hinge 1 is hot pressed.
2, 13 extend in the vertical direction. Therefore, the double hinge 1
The notches 8, 9, 10, 11 disappear from the upper and lower ends of 2, 13. FIG. 3 is a partially enlarged view of the vicinity of the upper end portion β of the double hinge 12. FIG. 3 (1) shows a partially enlarged view of the vicinity of the upper end portion β from the front, and FIG. 3 (2) shows a partially enlarged view of the vicinity β of the upper end portion from the upper side surface. The same applies to the vicinity of the lower end of the double hinge 12 and the vicinity of the upper and lower ends of the double hinge 13. Therefore, covers 14, 15 and spine 1
6 and the upper and lower ends of the double hinges 12 and 13 are aligned, and the upper and lower ends of the thermoplastic synthetic resin cover 1 are straight. Back 16 of cover 1 made of thermoplastic synthetic resin produced in this way
A binding tool is attached to the covers 14 and 15. The cover sheet 1 made of thermoplastic synthetic resin does not have a convex portion on the double hinges 12 and 13, so that it has excellent aesthetics and is not dangerous. Further, since there is no need for the step of removing the convex portion, the thermoplastic synthetic resin cover sheet 1
Can be manufactured at low cost.
【００１４】なお、上述の実施例では、切り欠き８，
９，１０，１１を台形状に形成して実施するようにした
が、切り欠きを矩形状に形成して実施するようにしても
よく、Ｒ刃で切り欠きを半円状に形成して実施するよう
にしてもよい。In the above embodiment, the cutouts 8,
Although the trapezoids 9 and 10 are formed in this embodiment, the cutouts may be formed in a rectangular shape, and the cutouts are formed in a semicircular shape by the R blade. You may do it.
【００１５】[0015]
【発明の効果】請求項１の熱可塑性合成樹脂製表紙にお
いては、裁断工程においてヒンジ部の上下両端にそれぞ
れ端部延出防止用の切り欠きを予め形成し、ヒンジ作成
工程において作成された二重ヒンジの上下両端から切り
欠きを消滅さるようにしているので、二重ヒンジの上下
両端と両表紙および背の上下両端とが揃った、美感に優
れ、危険性を防止し、安価な熱可塑性合成樹脂製表紙を
提供できる。In the thermoplastic synthetic resin cover sheet according to the first aspect of the present invention, in the cutting step, notches for preventing extension of the end portions are formed in advance at the upper and lower ends of the hinge portion, respectively. Since the notches are eliminated from the upper and lower ends of the heavy hinge, the upper and lower ends of the double hinge and the upper and lower ends of the cover and spine are aligned, which is excellent in aesthetics, prevents danger, and is inexpensive thermoplastic. A synthetic resin cover can be provided.
【００１６】請求項２の熱可塑性合成樹脂製表紙の製造
方法においては、裁断工程においてヒンジ部の上下両端
に端部延出防止用の切り欠きを裁断によって形成し、ヒ
ンジ作成工程において作成された二重ヒンジの上下両端
から切り欠きを消滅させるようにしているので、少ない
工程で、美感に優れ、危険性を防止し、安価な熱可塑性
合成樹脂製表紙を製造できる。In the method for manufacturing a cover made of a thermoplastic synthetic resin according to a second aspect of the present invention, in the cutting step, cutouts are formed at the upper and lower ends of the hinge portion to prevent the extension of the end portions. Since the notches are eliminated from the upper and lower ends of the double hinge, it is possible to manufacture an inexpensive thermoplastic synthetic resin cover sheet with excellent aesthetics, prevention of danger, and a few steps.
【図１】本発明の一実施例の熱可塑性合成樹脂製表紙の
製造工程を示す図である。FIG. 1 is a diagram showing a manufacturing process of a thermoplastic synthetic resin cover sheet according to an embodiment of the present invention.
【図２】切り欠き８付近αの部分拡大図である。FIG. 2 is a partially enlarged view of a portion near a notch 8;
【図３】二重ヒンジ１２の上端部付近βの部分拡大図で
ある。FIG. 3 is a partial enlarged view of a vicinity of an upper end portion of the double hinge 12.
【図４】従来の熱可塑性合成樹脂製表紙の製造工程を示
す図である。FIG. 4 is a diagram showing a manufacturing process of a conventional thermoplastic synthetic resin cover.
【図５】ヒンジ部１０５の上端部付近γの部分拡大図で
ある。5 is a partial enlarged view of the vicinity of the upper end portion γ of the hinge portion 105. FIG.
【図６】二重ヒンジ１０７の上端部付近δの部分拡大図
である。FIG. 6 is a partially enlarged view of the vicinity of an upper end portion δ of the double hinge 107.
１…熱可塑性合成樹脂製表紙 ２…表紙体 ３，４…表紙部 ５…背部 ６，７…ヒンジ部 ８，９，１０，１１…切り欠き １２，１３…二重ヒンジ １４，１５…表紙 １６…背 DESCRIPTION OF SYMBOLS 1 ... Thermoplastic synthetic resin cover 2 ... Cover body 3,4 ... Cover part 5 ... Back part 6,7 ... Hinge part 8,9,10,11 ... Notch 12,13 ... Double hinge 14,15 ... Cover cover 16 ... back
Claims (2)
に裁断する裁断工程と所定の形状に裁断された熱可塑性
合成樹脂製シートの所定の位置に熱圧加工して二重ヒン
ジを作成するヒンジ作成工程とを経て製造される熱可塑
性合成樹脂製表紙であって、 左右一対の表紙と、 前記両表紙間に配設される背と、 前記両表紙と前記背との間に上下両端にわたってそれぞ
れ形成された前記二重ヒンジとを備え、 前記裁断工程において前記二重ヒンジを作成するヒンジ
部の上下両端にそれぞれ端部延出防止用の切り欠きを予
め形成し、前記ヒンジ作成工程を経ることにより作成さ
れた前記二重ヒンジの上下両端から前記切り欠きを消滅
させ、前記二重ヒンジの上下両端と前記両表紙および前
記背の上下両端とを揃えるようにしたことを特徴とする
熱可塑性合成樹脂製表紙。1. A double hinge is formed by cutting a thermoplastic synthetic resin sheet into a predetermined shape and subjecting the thermoplastic synthetic resin sheet cut into a predetermined shape to a predetermined position by hot pressing. A cover sheet made of a thermoplastic synthetic resin produced through a hinge creating step, which includes a pair of left and right cover sheets, a spine disposed between the both cover sheets, and both upper and lower ends between the both cover sheets and the spine. Each of the double hinges is formed, and in the cutting step, notches for preventing extension of the end portions are formed in advance at upper and lower ends of the hinge portion that forms the double hinge, and the hinge forming step is performed. By removing the notches from the upper and lower ends of the double hinge created by the above, it is possible to align the upper and lower ends of the double hinge with the upper and lower ends of the cover and spine. Sex synthetic resin cover.
れる背との間に上下両端にわたる二重ヒンジをそれぞれ
形成した熱可塑性合成樹脂製表紙の製造方法であって、 熱可塑性合成樹脂製シートを裁断し、前記両表紙となる
表紙部と、前記背となる背部と、前記両二重ヒンジが形
成されるヒンジ部とを含む所定の形状の表紙体を作成す
る裁断工程と、 前記表紙体の前記ヒンジ部を熱圧加工して前記二重ヒン
ジを作成するとともに、前記両表紙および前記背を作成
するヒンジ作成工程とを備え、 前記裁断工程において前記ヒンジ部の上下両端に端部延
出防止用の切り欠きを裁断によって形成し、前記ヒンジ
作成工程において作成された前記二重ヒンジの上下両端
から前記切り欠きを消滅させ、前記二重ヒンジの上下両
端と前記両表紙および前記背の上下両端とを揃えるよう
にしたことを特徴とする熱可塑性合成樹脂製表紙の製造
方法。2. A method for producing a cover made of a thermoplastic synthetic resin, wherein a double hinge extending over both upper and lower ends is formed between a pair of left and right covers and a spine disposed between the covers, the thermoplastic synthesis comprising: A resin sheet is cut, and a cutting step of forming a cover body having a predetermined shape including a cover portion serving as the both cover sheets, a back portion serving as the spine, and a hinge portion in which the double hinges are formed, The hinge part of the cover body is heat-pressed to create the double hinge, and a hinge creating step of creating both the cover and the spine is provided, and in the cutting step, ends are formed at upper and lower ends of the hinge part. Forming cutouts for preventing part extension by cutting, eliminating the cutouts from the upper and lower ends of the double hinge created in the hinge creating step, upper and lower ends of the double hinge and the cover and the A method for producing a cover made of a thermoplastic synthetic resin, characterized in that the upper and lower ends of the spine are aligned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5054720A JP2565075B2 (en) | 1993-02-19 | 1993-02-19 | Thermoplastic synthetic resin cover and method of manufacturing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5054720A JP2565075B2 (en) | 1993-02-19 | 1993-02-19 | Thermoplastic synthetic resin cover and method of manufacturing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06239057A JPH06239057A (en) | 1994-08-30 |
| JP2565075B2 true JP2565075B2 (en) | 1996-12-18 |
Family
ID=12978644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5054720A Expired - Lifetime JP2565075B2 (en) | 1993-02-19 | 1993-02-19 | Thermoplastic synthetic resin cover and method of manufacturing the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2565075B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4679916B2 (en) * | 2005-02-09 | 2011-05-11 | 株式会社キングジム | Cover body processing apparatus and cover body processing method |
| JP5022432B2 (en) * | 2009-12-16 | 2012-09-12 | 株式会社リヒトラブ | File and manufacturing method thereof |
| JP6236302B2 (en) * | 2013-11-26 | 2017-11-22 | 株式会社シルキー・アクト | Notebook calendar |
| JP7363351B2 (en) * | 2019-10-17 | 2023-10-18 | コクヨ株式会社 | Cover and file |
-
1993
- 1993-02-19 JP JP5054720A patent/JP2565075B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06239057A (en) | 1994-08-30 |
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