JP2001188322A - Light shieldable photosensitive material roll and light shielding leader - Google Patents
Light shieldable photosensitive material roll and light shielding leaderInfo
- Publication number
- JP2001188322A JP2001188322A JP37131999A JP37131999A JP2001188322A JP 2001188322 A JP2001188322 A JP 2001188322A JP 37131999 A JP37131999 A JP 37131999A JP 37131999 A JP37131999 A JP 37131999A JP 2001188322 A JP2001188322 A JP 2001188322A
- Authority
- JP
- Japan
- Prior art keywords
- light
- shielding
- photosensitive material
- sheet
- material roll
- 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.)
- Granted
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、長尺状感光材料シ
ートを巻芯の周囲に巻き付けてなる感光材料ロールの包
装体、及び感光材料ロールを包装するのに好適に用いる
ことができる遮光リーダに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photosensitive material roll package formed by winding a long photosensitive material sheet around a core, and a light-shielding reader which can be suitably used for packaging the photosensitive material roll. About.
【０００２】[0002]
【従来の技術】長尺な印画紙などの感光材料シートを巻
芯の周囲に巻き付けてなる感光材料ロールの巻芯の両端
部に円盤状遮光部材（遮光フランジともいう）を取り付
け、そして、その外周に遮光リーダを円盤状遮光部材の
周囲を覆うようにして巻き付けた感光材料ロールの包装
体（以下、遮光性感光材料ロールという）は、感光材料
シートを露光させることなく明室で機械に装填すること
ができ、その取り扱いが容易であることから様々な用途
に使用されている（例えば、特開平８−６２７８３号公
報参照）。2. Description of the Related Art A disk-shaped light shielding member (also referred to as a light shielding flange) is attached to both ends of a core of a photosensitive material roll formed by winding a photosensitive material sheet such as a long photographic paper around the core. A light-sensitive material roll package (hereinafter referred to as a light-sensitive light-sensitive material roll) having a light-shielding leader wound around the outer periphery of a disk-shaped light-shielding member is loaded into a machine in a light room without exposing the photosensitive material sheet. It is used for various purposes because of its easy handling (see, for example, JP-A-8-62783).
【０００３】[0003]
【発明が解決しようとする課題】長尺状感光材料シート
は、その用途に応じて種々の幅寸法のものが使用されて
いる。幅寸法の異なる長尺状感光材料シートをロール状
にして包装するには、その長尺状感光材料シートからな
る感光材料ロールの幅寸法に合わせた幅の遮光リーダを
用意する必要がある（例えば、感光材料ロールの幅が２
０種類あれば、幅の異なる遮光リーダが２０種類必要と
なる）。しかしながら、感光材料ロール毎に、遮光リー
ダを交換していたのでは生産性が低くなり、さらに、遮
光リーダの保管場所の確保が必要となるなどの問題があ
る。There are various types of long photosensitive material sheets having various widths depending on the application. In order to package long photosensitive material sheets having different widths in a roll shape, it is necessary to prepare a light-shielding reader having a width corresponding to the width of the photosensitive material roll formed of the long photosensitive material sheet (for example, The width of the photosensitive material roll is 2
If there are 0 types, 20 types of light-shielding readers having different widths are required). However, if the light-shielding reader is replaced for each photosensitive material roll, there is a problem in that productivity is reduced, and further, it is necessary to secure a storage place for the light-shielding reader.
【０００４】従って、本発明の目的は、長尺状感光材料
シートの幅寸法に合わせて、遮光リーダを交換すること
なく容易に製造することができる遮光性感光材料ロール
を提供することにある。さらに、本発明の目的は、上記
の遮光性感光材料ロールにおいて有利に使用できる遮光
リーダを提供することにもある。Accordingly, it is an object of the present invention to provide a light-shielding photosensitive material roll which can be easily manufactured according to the width of a long photosensitive material sheet without replacing a light-shielding reader. Still another object of the present invention is to provide a light-shielding reader that can be advantageously used in the above-described light-shielding photosensitive material roll.
【０００５】[0005]
【課題を解決するための手段】本発明は、長尺状感光材
料シートを巻芯の周囲に巻き付けてなる感光材料ロー
ル、該感光材料ロールの巻芯の両端部のそれぞれに取り
付けられた、感光材料ロールの半径と略同一かもしくは
わずかに大きい半径を有する円盤状遮光部材、該感光材
料ロールの長尺状感光材料シートの先端部に接合されて
いる、長さが該円盤状遮光部材の円周よりも長く、幅が
該長尺状感光材料シートの幅よりも広い、幅方向よりも
長さ方向に相対的に大きな熱収縮性を有する遮光リーダ
から構成され、感光材料ロールの巻芯に円盤状遮光部材
が取り付けられている状態で、該遮光リーダを感光材料
ロールの周囲に巻き付け、遮光リーダの熱収縮により、
該円盤状遮光部材の外側表面の少なくとも一部に遮光リ
ーダの端部を遮光的に接触させた遮光性感光材料ロール
であって、前記遮光リーダは、前記円盤状遮光部材の円
周よりも大きな幅を持ち、１００℃における熱収縮率が
長さ方向よりも幅方向に相対的に大きな広幅の長尺状熱
収縮性遮光シートから切り取ったものを、その相対的に
熱収縮率が大きな方向が、前記長尺状感光材料シートの
長さ方向に一致するようにして、感光材料シートに接合
したものであることを特徴とする遮光性感光材料ロール
にある。According to the present invention, there is provided a photosensitive material roll formed by winding a long photosensitive material sheet around a core, and a photosensitive material roll attached to both ends of the core of the photosensitive material roll. A disk-shaped light-shielding member having a radius substantially the same as or slightly larger than the radius of the material roll; a circle of the disk-shaped light-shielding member joined to the leading end of a long photosensitive material sheet of the photosensitive material roll; Longer than the circumference, the width is larger than the width of the long photosensitive material sheet, is composed of a light-shielding reader having a relatively large heat shrinkage in the length direction than in the width direction, the core of the photosensitive material roll In the state where the disk-shaped light-shielding member is attached, the light-shielding leader is wound around the photosensitive material roll, and the heat-shrinkage of the light-shielding reader causes
A light-shielding photosensitive material roll in which an end of a light-shielding reader is brought into light-shielding contact with at least a part of an outer surface of the disk-shaped light-shielding member, wherein the light-shielding leader is larger than a circumference of the disk-shaped light-shielding member. It has a width, and the heat shrinkage at 100 ° C. is relatively large in the width direction than in the length direction. The light-shielding photosensitive material roll is characterized in that it is joined to the photosensitive material sheet so as to match the length direction of the long photosensitive material sheet.
【０００６】さらに、本発明は、１００℃における熱収
縮率が長さ方向よりも幅方向に相対的に大きな長尺状熱
収縮性遮光シートを幅方向に裁断して得たものであるこ
とを特徴とする上記の遮光性感光材料ロール用の遮光リ
ーダにもある。Further, the present invention provides that a long heat-shrinkable light-shielding sheet having a heat shrinkage ratio at 100 ° C. which is relatively larger in the width direction than in the length direction is obtained by cutting in the width direction. There is also a light-shielding reader for the light-shielding photosensitive material roll described above.
【０００７】また、長尺状感光材料シートを巻芯の周囲
に巻き付けてなる感光材料ロール、該感光材料ロールの
巻芯の両端部のそれぞれに取り付けられた、感光材料ロ
ールの半径と略同一かもしくはわずかに大きい半径を有
する円盤状遮光部材、該感光材料ロールの長尺状感光材
料シートの先端部に接合されている、長さが該円盤状遮
光部材の円周よりも長く、幅が該長尺状感光材料シート
の幅と略同一の遮光シートの両側部に、それぞれ幅方向
に突き出すように両側端部に沿って、長さが該円盤状遮
光部材の円周よりも長く、長さ方向に沿って引裂き可能
な熱収縮性遮光フィルムが付設されてなる遮光リーダか
ら構成され、感光材料ロールの巻芯に円盤状遮光部材が
取り付けられている状態で、該遮光リーダを感光材料ロ
ールの周囲に巻き付けて、該熱収縮性遮光フィルムの熱
収縮により、該円盤状遮光部材の外側表面の少なくとも
一部に遮光リーダの熱収縮性遮光フィルムを遮光的に接
触させた状態で融着させた遮光性感光材料ロールであっ
て、前記遮光シートは、前記円盤状遮光部材の円周より
も大きな幅を持つ広幅の長尺状遮光シートから、前記長
尺状感光材料シートの幅と該広幅の遮光シートの長さ方
向における長さが略同一の大きさになるように切り取っ
たものを、該長尺状遮光シートにおける幅方向が、前記
長尺状感光材料シートの長さ方向に一致するようにし
て、感光材料シートに接合したものであることを特徴と
する遮光性感光材料ロールにもある。Also, a photosensitive material roll formed by winding a long photosensitive material sheet around a core, and whether the radius of the photosensitive material roll attached to each of both ends of the core of the photosensitive material roll is substantially the same as that of the photosensitive material roll. Alternatively, a disk-shaped light shielding member having a slightly larger radius, which is joined to the leading end of a long photosensitive material sheet of the photosensitive material roll, has a length longer than the circumference of the disk-shaped light shielding member, and has a width On both sides of the light-shielding sheet, which is substantially the same as the width of the long photosensitive material sheet, the length is longer than the circumference of the disc-shaped light-shielding member, along both side edges so as to protrude in the width direction. A light-shielding leader, which is provided with a heat-shrinkable light-shielding film that can be torn along the direction, is configured with a disk-shaped light-shielding member attached to the core of the photosensitive material roll. Wrap around In addition, the heat-shrinkable light-shielding film is heat-shrinked, so that the heat-shrinkable light-shielding film is fused to at least a part of the outer surface of the disc-shaped light-shielding member in a state where the heat-shrinkable light-shielding film is brought into light-shielding contact. A light material roll, wherein the light shielding sheet is a wide light shielding sheet having a width larger than the circumference of the disc-shaped light shielding member, and a width of the long photosensitive material sheet and the wide light shielding sheet. Cut out so that the length in the length direction is substantially the same size, such that the width direction of the long light-shielding sheet matches the length direction of the long photosensitive material sheet. There is also a light-shielding photosensitive material roll which is bonded to a photosensitive material sheet.
【０００８】さらに、本発明は、広幅の遮光シートを幅
方向に裁断して得た遮光シートの該広幅の遮光シートの
幅方向に対応する方向における両側端部に、長さ方向に
沿って長尺状の熱収縮性遮光フィルムを付設したもので
あることを特徴とする上記の遮光性感光材料ロール用の
遮光リーダにもある。Further, the present invention provides a light-shielding sheet obtained by cutting a wide light-shielding sheet in the width direction, and having long sides along the length direction at both end portions in a direction corresponding to the width direction of the wide light-shielding sheet. There is also a light-shielding reader for a light-shielding photosensitive material roll described above, which is provided with a long heat-shrinkable light-shielding film.
【０００９】[0009]
【発明の実施の形態】添付図面の図１に、本発明の遮光
性感光材料ロールの一例の分解斜視図を示す。本発明の
遮光性感光材料ロールは、長尺状感光材料シート３を巻
芯２に巻き付けてなる感光材料ロール１、感光材料ロー
ル１の巻芯の両端部に取り付けられ、感光材料ロールの
両端面に照射する光を遮光する一対の円盤状遮光部材
４、そして、感光材料ロールの長尺状感光材料シートの
先端に接合され、感光材料ロールの周囲に巻き付けられ
て、感光材料ロールの外周面に照射する光を遮光する熱
収縮性の遮光リーダ５ａ、そして、遮光リーダ５ａと長
尺状感光材料シート３とを接合する粘着テープ６ａ、及
び遮光リーダを巻き止めするための粘着テープ６ｂから
構成される。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 of the accompanying drawings shows an exploded perspective view of an example of a light-shielding photosensitive material roll of the present invention. The light-shielding photosensitive material roll of the present invention is provided with a photosensitive material roll 1 formed by winding a long photosensitive material sheet 3 around a core 2, and attached to both ends of the core of the photosensitive material roll 1. And a pair of disc-shaped light shielding members 4 for shielding light applied to the photosensitive material roll, and joined to the tip of a long photosensitive material sheet of the photosensitive material roll, wound around the photosensitive material roll, and applied to the outer peripheral surface of the photosensitive material roll. It is composed of a heat-shrinkable light-shielding leader 5a for shielding light to be irradiated, an adhesive tape 6a for joining the light-shielding reader 5a and the long photosensitive material sheet 3, and an adhesive tape 6b for winding the light-shielding leader. You.
【００１０】図１に示す本発明の遮光性感光材料ロール
は、遮光リーダ５ａが、円盤状遮光部材４の円周よりも
大きな幅を持ち、１００℃における熱収縮率が、長さ方
向よりも幅方向に相対的に大きな広幅の長尺状熱収縮性
遮光シートを、長尺状感光材料シート３の幅よりも長尺
状熱収縮性遮光シートの長さ方向における長さが大きく
なるように裁断して得たものであることに主な特徴があ
る。In the light-shielding photosensitive material roll of the present invention shown in FIG. 1, the light-shielding reader 5a has a width larger than the circumference of the disk-shaped light-shielding member 4, and the heat shrinkage at 100 ° C. is smaller than that in the length direction. The long heat-shrinkable light-shielding sheet having a relatively large width in the width direction is set so that the length in the length direction of the long heat-shrinkable light-shielding sheet is longer than the width of the long photosensitive material sheet 3. The main characteristic is that it is obtained by cutting.
【００１１】図１に示す本発明の遮光性感光材料ロール
は、感光材料ロール１の巻芯２の中空部に円盤状遮光部
材４の中央に設けられているリング状突起４ａをはめ込
んで、次いで、遮光リーダ５ａを長尺状感光材料シート
３の先端に接合し、遮光リーダを感光材料ロールの周囲
に一周以上巻き付け、そして遮光リーダ５ａの熱収縮に
より、円盤状遮光部材４の外側表面の少なくとも一部に
遮光リーダの両端部を遮光的に接触させることにより製
造することができる。ここで、遮光的に接触させると
は、円盤状遮光部材の外側表面と遮光リーダの両端部と
が、感光材料シートを露光させるような隙間をつくらな
いように接触させることを意味する。なお、遮光性感光
材料ロールから感光材料シートを容易に取り出すため
に、円盤状遮光部材の外側表面と遮光リーダの両端部と
は融着あるいは接着していないことが好ましい。In the light-shielding light-sensitive material roll of the present invention shown in FIG. 1, a ring-shaped projection 4a provided at the center of a disk-shaped light-shielding member 4 is fitted into a hollow portion of a core 2 of the light-sensitive material roll 1; The light-shielding leader 5a is joined to the end of the long photosensitive material sheet 3, the light-shielding leader is wound one or more rounds around the photosensitive material roll, and at least the outer surface of the disk-shaped light-shielding member 4 is shrunk by the heat shrinkage of the light-shielding leader 5a. It can be manufactured by partially contacting both ends of the light-shielding reader in a light-shielding manner. Here, the term “contact with light” means that the outer surface of the disk-shaped light-shielding member and both ends of the light-shielding reader are brought into contact so as not to form a gap for exposing the photosensitive material sheet. In order to easily take out the photosensitive material sheet from the light-shielding photosensitive material roll, it is preferable that the outer surface of the disc-shaped light-shielding member and both end portions of the light-shielding leader are not fused or bonded.
【００１２】遮光リーダの熱収縮は、感光材料ロールに
遮光リーダを巻き付けながら、遮光リーダと円盤状遮光
部材との接触部の遮光リーダ表面に熱風を吹き付けるこ
とにより行っても、あるいは感光材料ロールに遮光リー
ダを巻き付け、遮光リーダの終端部を粘着テープで封止
した後、遮光リーダと円盤状遮光部材との接触部の遮光
リーダ表面に熱風を吹き付けることによって行っても良
い。The thermal contraction of the light-shielding leader can be performed by blowing hot air on the surface of the light-shielding leader at the contact portion between the light-shielding leader and the disk-shaped light-shielding member while winding the light-shielding leader around the photosensitive material roll, or the photosensitive material roll. After wrapping the light-shielding leader and sealing the terminal end of the light-shielding leader with an adhesive tape, hot air may be blown to the surface of the light-shielding leader at the contact portion between the light-shielding leader and the disk-shaped light-shielding member.
【００１３】図１に示した遮光性感光材料ロールに用い
ることができる本発明の遮光リーダについて、さらに詳
しく説明する。添付図面の図２に、広幅の長尺状熱収縮
性遮光シート、本発明の遮光リーダ、そして感光材料ロ
ールの一例の正面図を示す。遮光リーダ５ａは、１００
℃における熱収縮率が、長さ方向よりも幅方向に相対的
に大きな熱収縮性を有し、幅Ｌ1の長尺状熱収縮性遮光
シート７をその幅方向に裁断することにより得たもので
ある。The light-shielding reader of the present invention which can be used for the light-shielding photosensitive material roll shown in FIG. 1 will be described in more detail. FIG. 2 of the accompanying drawings shows a front view of an example of a wide and long heat-shrinkable light-shielding sheet, a light-shielding reader of the present invention, and a photosensitive material roll. The light-shielding reader 5a is 100
Heat shrinkage at ℃ has a relatively large heat-shrinkable in the widthwise direction than the longitudinal direction was obtained by cutting the elongated heat-shrinkable light-shielding sheet 7 of the width L 1 in the width direction Things.
【００１４】本発明の遮光リーダ５ａにおける長さ方向
の長さ（すなわち、長尺状熱収縮性遮光シート７の幅）
Ｌ1は、感光材料ロールの巻芯に取り付けられている円
盤状遮光部材４の円周よりも大きく、円盤状遮光部材の
円周の１倍以上、３倍以下であることが好ましい。The length in the length direction of the light-shielding reader 5a of the present invention (that is, the width of the long heat-shrinkable light-shielding sheet 7).
L 1 is larger than the circumference of the disk-shaped light shielding member 4 attached to the core of the photosensitive material roll, and is preferably at least one time and three times or less the circumference of the disk-shaped light shielding member.
【００１５】本発明の遮光リーダ５ａにおける幅方向の
長さＷ1は、感光材料ロール１の長尺状感光材料シート
３の幅Ｗ2と巻芯に取り付けられている円盤状遮光部材
４の厚みＷ3との和（Ｗ2＋２×Ｗ3）に、円盤状遮光部
材のそれぞれの外側表面に接触させる部分の幅αを加え
た値（Ｗ2＋２×Ｗ3＋２×α）である。円盤状遮光部材
の外側表面に接触させる部分の幅αは、遮光リーダの長
さ方向の熱収縮率などを考慮して任意に設定するが、通
常は、５〜１５ｍｍの範囲内であることが好ましく、５
〜１０ｍｍの範囲であることがより好ましい。The width W 1 of the light-shielding reader 5 a of the present invention in the width direction is determined by the width W 2 of the long photosensitive material sheet 3 of the photosensitive material roll 1 and the thickness of the disc-shaped light shielding member 4 attached to the core. the sum (W 2 + 2 × W 3 ) of the W 3, a disk-shaped light shielding each value plus the width alpha of the portion brought into contact with the outer surface of the member (W 2 + 2 × W 3 + 2 × α). The width α of the portion to be brought into contact with the outer surface of the disc-shaped light-shielding member is arbitrarily set in consideration of the heat shrinkage in the length direction of the light-shielding reader and the like, but is usually in the range of 5 to 15 mm. Preferably 5
More preferably, it is in the range of 10 to 10 mm.
【００１６】長尺状熱収縮性遮光シート７の熱収縮率
は、１００℃において、長さ方向（遮光リーダにおいて
は幅方向）で３０％未満、幅方向（遮光リーダにおいて
は長さ方向）で５〜３０％であって、幅方向の収縮率
が、長さ方向の収縮率よりも絶対的な差として１％以上
（好ましくは３％さらに好ましくは５％以上）大きいも
のであることが望ましい。なお、ここでの長尺状熱収縮
性遮光シートの熱収縮率は、ＪＩＳ Ｚ １７０９−１
９７６（収縮包装用フィルム）に規定されている方法に
より測定した値である。The heat shrinkage of the long heat-shrinkable light-shielding sheet 7 is less than 30% in the length direction (width direction in the light-shielding reader) and 100% in the width direction (length direction in the light-shielding reader) at 100 ° C. 5 to 30%, and the shrinkage in the width direction is preferably 1% or more (preferably 3% or more preferably 5% or more) greater than the shrinkage in the length direction as an absolute difference. . Here, the heat shrinkage rate of the long heat-shrinkable light-shielding sheet is JIS Z 1709-1.
976 (a film for shrink wrapping).
【００１７】長尺状熱収縮性遮光シート７は、カーボン
ブラックなどの着色剤を混入し遮光性を付与したプラス
チックシートを幅方向に延伸加工して得られたシート
や、熱収縮性をほとんどあるいは全く有しない長尺遮光
性シートと長さ方向よりも幅方向に相対的に大きなに熱
収縮性を有する長尺熱収縮性シート（シュリンクフィル
ム）とを貼り合わせた積層シート等が挙げられる。ま
た、長尺状熱収縮性遮光シートは、ロール状に巻かれて
いることが好ましい。The long heat-shrinkable light-shielding sheet 7 may be a sheet obtained by stretching a plastic sheet having a light-shielding property by mixing a coloring agent such as carbon black in the width direction, or a sheet having little or no heat-shrinkability. A laminated sheet obtained by laminating a long light-shielding sheet having no sheet and a long heat-shrinkable sheet (shrink film) having a relatively large heat-shrinkability in the width direction than in the length direction can be used. Further, the long heat-shrinkable light-shielding sheet is preferably wound in a roll shape.
【００１８】添付図面の図３に、図１に示した部材から
なる本発明の遮光性感光材料ロールの斜視図を示す。図
３に示す本発明の遮光性感光材料ロールにおいて、遮光
リーダ５ａの円盤状遮光部材４の外側表面に接触した部
分の幅αが１０ｍｍ、円盤状遮光部材の直径φLが１５
０ｍｍである場合には、遮光リーダ５ａの長さ方向の熱
収縮率は、１３．３％［＝２×α／φL×１００％＝２
×１０／１５０×１００％］以上であることが必要にな
る。FIG. 3 of the accompanying drawings shows a perspective view of the light-shielding photosensitive material roll of the present invention comprising the members shown in FIG. In the light-blocking photosensitive material roll of the present invention shown in FIG. 3, the width of the disc-shaped portion in contact with the outer surface of the shielding member 4 of the light-shielding leader 5a alpha is 10 mm, the diameter phi L of the disk-shaped shielding member 15
When it is 0 mm, the heat shrinkage in the length direction of the light-shielding reader 5a is 13.3% [= 2 × α / φ L × 100% = 2
× 10/150 × 100%] or more.
【００１９】添付図面の図４に、本発明の遮光性感光材
料ロールの別の一例の分解斜視図を示す。図４に示す遮
光性感光材料ロールは、遮光リーダ５ｂが、長さが円盤
状遮光部材の円周よりも長く、幅が該長尺状感光材料シ
ートの幅と略同一の遮光シート（熱収縮性をほとんどあ
るいは全く示さない）８の両側部に、それぞれ幅方向に
突き出すように両側端部に沿って、長さが該円盤状遮光
部材の円周よりも長く、長さ方向に沿って引裂き可能な
熱収縮性遮光フィルム９が付設されてなるものであると
ころが図１に示した構成の遮光性感光材料ロールと異な
る。そして、この遮光性感光材料ロールは、遮光シート
８が、円盤状遮光部材４の円周よりも大きな幅を持つ広
幅の遮光シートを、長尺状感光材料シート３の幅と該広
幅の遮光シートの長さ方向における長さが略同一の大き
さになるように裁断して得たものであることに主な特徴
がある。FIG. 4 of the accompanying drawings shows an exploded perspective view of another example of the light-shielding photosensitive material roll of the present invention. In the light-shielding photosensitive material roll shown in FIG. 4, the light-shielding leader 5b has a length longer than the circumference of the disc-shaped light-shielding member and a width substantially equal to the width of the long photosensitive material sheet (heat shrinkage). 8 has a length longer than the circumference of the disc-shaped light-shielding member along both ends so as to protrude in the width direction, and is torn along the length direction. The present embodiment differs from the light-shielding photosensitive material roll having the structure shown in FIG. 1 in that a heat-shrinkable light-shielding film 9 is additionally provided. The light-shielding photosensitive material roll is configured such that the light-shielding sheet 8 includes a wide light-shielding sheet having a width larger than the circumference of the disc-shaped light-shielding member 4 and the width of the long photosensitive material sheet 3 and the wide light-shielding sheet. The main feature is that it is obtained by cutting so that the lengths in the length direction are substantially the same.
【００２０】図４に示す本発明の遮光性感光材料ロール
は、前記図１に示す遮光性感光材料ロールと同様に、感
光材料ロール１の巻芯２の中空部に円盤状遮光部材４の
中央に設けられているリング状突起４ａをはめ込んで、
次いで、遮光リーダ５ｂを長尺状感光材料シート３の先
端に接合し、遮光リーダを感光材料ロールの周囲に一周
以上巻き付け、そして遮光リーダの熱収縮性遮光フィル
ム９の熱収縮により、円盤状遮光部材４の外側表面の少
なくとも一部に遮光リーダの熱収縮性遮光フィルムを遮
光的に接触させた状態で融着させることにより製造する
ことができる。The light-shielding light-sensitive material roll of the present invention shown in FIG. 4 is, like the light-shielding light-sensitive material roll shown in FIG. Into the ring-shaped projection 4a provided on the
Next, the light-shielding leader 5b is joined to the end of the long photosensitive material sheet 3, the light-shielding leader is wound around the photosensitive material roll one or more times, and the heat-shrinkable light-shielding film 9 of the light-shielding leader causes the disk-shaped light-shielding. It can be manufactured by fusing a heat-shrinkable light-shielding film of a light-shielding reader to at least a part of the outer surface of the member 4 in a light-shielding state.
【００２１】図４に示した遮光性感光材料ロールに用い
ることができる本発明の遮光リーダについて、さらに詳
しく説明する。添付図面の図５に、広幅の遮光シート、
本発明の遮光リーダ用の遮光シート、そして感光材料ロ
ールの一例の正面図を示す。遮光リーダ用の遮光シート
８は、幅Ｌ2の広幅の遮光シート１０をその幅方向に裁
断することにより得たものである。The light-shielding reader of the present invention which can be used for the light-shielding photosensitive material roll shown in FIG. 4 will be described in more detail. In FIG. 5 of the attached drawings, a wide light shielding sheet,
FIG. 1 shows a front view of an example of a light-shielding sheet for a light-shielding reader and a photosensitive material roll of the present invention. Light shielding sheet 8 for shielding leader are those obtained by cutting the wide light shielding sheet 10 of a width L 2 in the width direction.
【００２２】本発明の遮光リーダ用の遮光シート８にお
ける長さ方向の長さ（すなわち、広幅の遮光シート１０
の幅）Ｌ2は、前記熱収縮性遮光リーダと同様に、感光
材料ロールの巻芯に取り付けられている円盤状遮光部材
４の円周よりも大きく、円盤状遮光部材の円周の１倍以
上、３倍以下であることが好ましい。一方、遮光シート
８の幅Ｗ4は、感光材料ロール１の長尺状感光材料シー
ト３の幅Ｗ2とほぼ同一であることが好ましい。The length of the light-shielding sheet 8 for the light-shielding reader of the present invention in the length direction (that is, the wide light-shielding sheet 10)
Width) L 2 is, similarly to the heat-shrinkable light-shielding leader, larger than the circumference of the disk-shaped light shielding member 4 which is attached to the winding core of the photosensitive material roll, 1 times the circumference of the disk-shaped light shielding member It is preferably at least three times. On the other hand, the width W 4 of the light-shielding sheet 8 is preferably substantially the same as the width W 2 of the long photosensitive material sheet 3 of the photosensitive material roll 1.
【００２３】図４に示した遮光性感光材料ロールに用い
ることができる本発明の遮光リーダは、上記の遮光リー
ダ用の遮光シートの長さ方向に沿って長尺状の熱収縮性
遮光フィルムを付設することにより製造することができ
る。熱収縮性遮光フィルムは長さ方向に引裂き可能であ
って、その熱収縮率は、前記熱収縮性遮光リーダと同様
に１００℃において、長さ方向で５〜３０％、幅方向で
３０％未満であって、長さ方向の収縮率が、幅方向の収
縮率よりも絶対的な差として１％以上（好ましくは３％
さらに好ましくは５％以上）大きいものであることが望
ましい。熱収縮性遮光フィルムの例としては、長さ方向
に大きな熱収縮性を有し、かつ長さ方向に引き裂き可能
な透明あるいは半透明のシュリンクフィルムに、熱収縮
性をほとんどあるいは全く示さない遮光性フィルムを貼
り合わせた積層フィルムを挙げることができるが、これ
に限定されるものではない。この積層熱収縮性遮光フィ
ルムに使用できるシュリンクフィルムとしては、例え
ば、ファンシーラップ（商品名、グンゼ（株）製）のグ
レードがＴＨＳ、ＴＮＳ、ＴＡＳ、ＴＢＳ、ＴＲＳであ
るものを挙げることができる。また、積層熱収縮性遮光
フィルムに使用できる遮光性フィルムとしては、例え
ば、カーボンブラックなどの着色剤を混入させた低密度
ポリエチレンフィルムなどのフィルムを挙げることがで
きる。The light-shielding leader of the present invention which can be used for the light-shielding photosensitive material roll shown in FIG. 4 is a light-shielding sheet for a light-shielding reader. It can be manufactured by attaching it. The heat-shrinkable light-shielding film can be torn in the length direction, and has a heat shrinkage of 5 to 30% in the length direction and less than 30% in the width direction at 100 ° C. like the heat-shrinkable light-shielding reader. The shrinkage rate in the length direction is 1% or more (preferably 3%) as an absolute difference from the shrinkage rate in the width direction.
(More preferably, at least 5%). Examples of heat-shrinkable light-shielding films include transparent or translucent shrink films that have large heat-shrinkability in the length direction and that can be torn in the length direction. A laminated film obtained by laminating films can be mentioned, but is not limited thereto. Examples of the shrink film that can be used for the laminated heat-shrinkable light-shielding film include those in which the grade of fancy wrap (trade name, manufactured by Gunze KK) is THS, TNS, TAS, TBS, or TRS. Examples of the light-shielding film that can be used for the laminated heat-shrinkable light-shielding film include, for example, a film such as a low-density polyethylene film mixed with a coloring agent such as carbon black.
【００２４】添付図面の図６に、図４に示した部材から
なる本発明の遮光性感光材料ロールの斜視図を示す。図
６に示す遮光性感光材料ロールは、遮光リーダ５ｂの熱
収縮性遮光フィルム９が、引裂き可能であることから、
熱収縮性遮光フィルムを引裂いて、感光材料シートを取
り出すことができる。従って、この遮光性感光材料ロー
ルでは、遮光リーダ５ｂの熱収縮性遮光フィルム９と円
盤状遮光部材４とが遮光的に接触している部分は融着し
ていても良いのである。FIG. 6 of the accompanying drawings shows a perspective view of the light-shielding photosensitive material roll of the present invention comprising the members shown in FIG. In the light-shielding photosensitive material roll shown in FIG. 6, since the heat-shrinkable light-shielding film 9 of the light-shielding reader 5b can be torn,
The photosensitive material sheet can be taken out by tearing the heat-shrinkable light-shielding film. Therefore, in the light-shielding photosensitive material roll, a portion where the heat-shrinkable light-shielding film 9 of the light-shielding reader 5b and the disc-shaped light-shielding member 4 are in light-shielding contact may be fused.
【００２５】[0025]
【発明の効果】本発明の遮光性感光材料ロールは、長尺
状感光材料シートの幅寸法に合わせて、遮光リーダを交
換する必要がないことから、生産性が高くなる。また、
本発明の遮光性感光材料ロールは、幅寸法の異なる遮光
リーダを用意する必要がないことから、遮光リーダの保
管場所を小さくすることができ、経済的に有利である。According to the light-shielding photosensitive material roll of the present invention, it is not necessary to replace the light-shielding reader according to the width of the long photosensitive material sheet, so that the productivity is improved. Also,
Since the light-shielding photosensitive material roll of the present invention does not require preparing light-shielding readers having different widths, the storage space for the light-shielding reader can be reduced, which is economically advantageous.
【図１】本発明の遮光性感光材料ロールの一例の分解斜
視図である。FIG. 1 is an exploded perspective view of an example of a light-shielding photosensitive material roll of the present invention.
【図２】長尺状熱収縮性遮光シート、本発明の遮光リー
ダ、そして感光材料ロールの一例の正面図である。FIG. 2 is a front view of an example of a long heat-shrinkable light-shielding sheet, a light-shielding reader of the present invention, and a roll of photosensitive material.
【図３】図１に示した部材からなる本発明の遮光性感光
材料ロールの一例の斜視図である。FIG. 3 is a perspective view of an example of a light-shielding photosensitive material roll of the present invention comprising the members shown in FIG.
【図４】本発明の遮光性感光材料ロールの別の一例の分
解斜視図である。FIG. 4 is an exploded perspective view of another example of the light-shielding photosensitive material roll of the present invention.
【図５】広幅の遮光シート、本発明の遮光リーダ用遮光
シート、そして感光材料ロールの一例の正面図である。FIG. 5 is a front view of an example of a wide light-shielding sheet, a light-shielding sheet for a light-shielding reader of the present invention, and a photosensitive material roll.
【図６】図４に示した部材からなる本発明の遮光性感光
材料ロールの一例の斜視図である。6 is a perspective view of an example of a light-shielding photosensitive material roll of the present invention comprising the members shown in FIG.
１ 感光材料ロール ２ 巻芯 ３ 長尺状感光材料シート ４ 円盤状遮光部材 ４ａ 突起 ５ａ、５ｂ 遮光リーダ ６ａ、６ｂ 粘着テープ ７ 広幅の長尺状熱収縮性遮光シート ８ 遮光シート ９ 熱収縮性遮光フィルム １０ 広幅の長尺遮光シート Reference Signs List 1 photosensitive material roll 2 core 3 long photosensitive material sheet 4 disk-shaped light shielding member 4a projection 5a, 5b light shielding reader 6a, 6b adhesive tape 7 wide long heat shrinkable light shielding sheet 8 light shielding sheet 9 heat shrinkable light shielding Film 10 Wide long light-shielding sheet
───────────────────────────────────────────────────── フロントページの続き (72)発明者 門田 陽宏 神奈川県南足柄市中沼210番地 富士写真 フイルム株式会社内 (72)発明者 中戸川 光一 神奈川県南足柄市中沼210番地 富士写真 フイルム株式会社内 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor, Hirohiro Kadota 210, Nakanuma, Minamiashigara-shi, Kanagawa Prefecture, Fuji Photo Film Co., Ltd. (72) Inventor Koichi Nakatogawa 210, Nakanuma, Minamiashigara-shi, Kanagawa Prefecture, Fuji Photo Film Co., Ltd.
Claims (4)
き付けてなる感光材料ロール、該感光材料ロールの巻芯
の両端部のそれぞれに取り付けられた、感光材料ロール
の半径と略同一かもしくはわずかに大きい半径を有する
円盤状遮光部材、該感光材料ロールの長尺状感光材料シ
ートの先端部に接合されている、長さが該円盤状遮光部
材の円周よりも長く、幅が該長尺状感光材料シートの幅
よりも広い、幅方向よりも長さ方向に相対的に大きな熱
収縮性を有する遮光リーダから構成され、感光材料ロー
ルの巻芯に円盤状遮光部材が取り付けられている状態
で、該遮光リーダを感光材料ロールの周囲に巻き付け、
遮光リーダの熱収縮により、該円盤状遮光部材の外側表
面の少なくとも一部に遮光リーダの端部を遮光的に接触
させた遮光性感光材料ロールであって、前記遮光リーダ
は、前記円盤状遮光部材の円周よりも大きな幅を持ち、
１００℃における熱収縮率が長さ方向よりも幅方向に相
対的に大きな広幅の長尺状熱収縮性遮光シートから切り
取ったものを、その相対的に熱収縮率が大きな方向が、
前記長尺状感光材料シートの長さ方向に一致するように
して、感光材料シートに接合したものであることを特徴
とする遮光性感光材料ロール。1. A photosensitive material roll formed by winding a long photosensitive material sheet around a core, and whether the radius of the photosensitive material roll is substantially the same as the radius of the photosensitive material roll attached to each of both ends of the core of the photosensitive material roll. Alternatively, a disk-shaped light shielding member having a slightly larger radius, which is joined to the leading end of a long photosensitive material sheet of the photosensitive material roll, has a length longer than the circumference of the disk-shaped light shielding member, and has a width It is composed of a light-shielding reader having a heat shrinkage property larger than the width of the long photosensitive material sheet in the length direction than in the width direction, and a disc-shaped light-shielding member is attached to the core of the photosensitive material roll. In a state where the light-shielding reader is wound around the photosensitive material roll,
A light-shielding photosensitive material roll in which at least a part of the outer surface of the disk-shaped light-shielding member is brought into light-shielding contact with at least a part of the outer surface of the disk-shaped light-shielding member by heat shrinkage of the light-shielding reader, wherein the light-shielding reader is provided with the disk-shaped light-shielding member. Has a width greater than the circumference of the member,
The direction in which the heat shrinkage at 100 ° C. is cut from a wide, long heat-shrinkable light-shielding sheet that is relatively larger in the width direction than in the length direction is relatively large,
A light-shielding photosensitive material roll, which is bonded to the photosensitive material sheet so as to match the length direction of the long photosensitive material sheet.
りも幅方向に相対的に大きな長尺状熱収縮性遮光シート
を幅方向に裁断して得たものであることを特徴とする請
求項１に記載の遮光性感光材料ロール用の遮光リーダ。2. A long heat-shrinkable light-shielding sheet having a heat shrinkage at 100 ° C. that is relatively larger in the width direction than in the length direction is obtained by cutting the heat-shrinkable light-shielding sheet in the width direction. Item 2. A light-shielding reader for a light-shielding photosensitive material roll according to item 1.
き付けてなる感光材料ロール、該感光材料ロールの巻芯
の両端部のそれぞれに取り付けられた、感光材料ロール
の半径と略同一かもしくはわずかに大きい半径を有する
円盤状遮光部材、該感光材料ロールの長尺状感光材料シ
ートの先端部に接合されている、長さが該円盤状遮光部
材の円周よりも長く、幅が該長尺状感光材料シートの幅
と略同一の遮光シートの両側部に、それぞれ幅方向に突
き出すように両側端部に沿って、長さが該円盤状遮光部
材の円周よりも長く、長さ方向に沿って引裂き可能な熱
収縮性遮光フィルムが付設されてなる遮光リーダから構
成され、感光材料ロールの巻芯に円盤状遮光部材が取り
付けられている状態で、該遮光リーダを感光材料ロール
の周囲に巻き付けて、該熱収縮性遮光フィルムの熱収縮
により、該円盤状遮光部材の外側表面の少なくとも一部
に遮光リーダの熱収縮性遮光フィルムを遮光的に接触さ
せた状態で融着させた遮光性感光材料ロールであって、
前記遮光シートは、前記円盤状遮光部材の円周よりも大
きな幅を持つ広幅の長尺状遮光シートから、前記長尺状
感光材料シートの幅と該広幅の遮光シートの長さ方向に
おける長さが略同一の大きさになるように切り取ったも
のを、該長尺状遮光シートにおける幅方向が、前記長尺
状感光材料シートの長さ方向に一致するようにして、感
光材料シートに接合したものであることを特徴とする遮
光性感光材料ロール。3. A photosensitive material roll in which a long photosensitive material sheet is wound around a core, and is substantially the same as a radius of the photosensitive material roll attached to each of both ends of the core of the photosensitive material roll. Alternatively, a disk-shaped light shielding member having a slightly larger radius, which is joined to the leading end of a long photosensitive material sheet of the photosensitive material roll, has a length longer than the circumference of the disk-shaped light shielding member, and has a width On both sides of the light-shielding sheet, which is substantially the same as the width of the long photosensitive material sheet, the length is longer than the circumference of the disc-shaped light-shielding member, along both side edges so as to protrude in the width direction. A light-shielding leader, which is provided with a heat-shrinkable light-shielding film that can be torn along the direction, is configured with a disk-shaped light-shielding member attached to the core of the photosensitive material roll. Wrap around A light-shielding light-sensitive material in which the heat-shrinkable light-shielding film is fused with the heat-shrinkable light-shielding film in a state where the heat-shrinkable light-shielding film of the light-shielding reader is brought into light-shielding contact with at least a part of the outer surface of the disk-shaped light-shielding member by heat shrinkage Role
The light-shielding sheet may be a wide light-shielding sheet having a width larger than the circumference of the disc-shaped light-shielding member, and a width of the long photosensitive material sheet and a length in a length direction of the wide light-shielding sheet. Were cut so as to have substantially the same size, and were joined to the photosensitive material sheet such that the width direction of the long light-shielding sheet coincided with the length direction of the long photosensitive material sheet. 1. A light-shielding photosensitive material roll, characterized in that:
た遮光シートの該広幅の遮光シートの幅方向に対応する
方向における両側端部に、長さ方向に沿って長尺状の熱
収縮性遮光フィルムを付設したものであることを特徴と
する請求項３に記載の遮光性感光材料ロール用の遮光リ
ーダ。4. A long heat source along the length direction is provided at both ends in a direction corresponding to the width direction of the wide light shielding sheet obtained by cutting the wide light shielding sheet in the width direction. 4. The light-shielding reader according to claim 3, further comprising a shrinkable light-shielding film.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37131999A JP3967859B2 (en) | 1999-12-27 | 1999-12-27 | Light-shielding photosensitive material roll and light-shielding reader |
| EP00128211A EP1113319B1 (en) | 1999-12-27 | 2000-12-22 | Light-shielding packaging system for photosensitive web roll |
| DE60030081T DE60030081T2 (en) | 1999-12-27 | 2000-12-22 | Light-shielding packaging system for photosensitive roll material |
| US09/745,868 US6619478B2 (en) | 1999-12-27 | 2000-12-26 | Light-shielding packaging system for photosensitive web roll |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP37131999A JP3967859B2 (en) | 1999-12-27 | 1999-12-27 | Light-shielding photosensitive material roll and light-shielding reader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001188322A true JP2001188322A (en) | 2001-07-10 |
| JP3967859B2 JP3967859B2 (en) | 2007-08-29 |
Family
ID=18498506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP37131999A Expired - Fee Related JP3967859B2 (en) | 1999-12-27 | 1999-12-27 | Light-shielding photosensitive material roll and light-shielding reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3967859B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1323634A1 (en) * | 2001-12-25 | 2003-07-02 | Fuji Photo Film Co., Ltd. | Method of and system for automatically packaging photosensitive film rolls |
| CN111776832A (en) * | 2020-07-16 | 2020-10-16 | 湖北亿纬动力有限公司 | Pole piece winding mode and film slitting and winding device |
-
1999
- 1999-12-27 JP JP37131999A patent/JP3967859B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1323634A1 (en) * | 2001-12-25 | 2003-07-02 | Fuji Photo Film Co., Ltd. | Method of and system for automatically packaging photosensitive film rolls |
| US7032361B2 (en) | 2001-12-25 | 2006-04-25 | Fuji Photo Film Co., Ltd. | Method of and system for automatically packaging rolls |
| CN111776832A (en) * | 2020-07-16 | 2020-10-16 | 湖北亿纬动力有限公司 | Pole piece winding mode and film slitting and winding device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3967859B2 (en) | 2007-08-29 |
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