JP2020001710A - Tab for opening can lid - Google Patents

Tab for opening can lid Download PDF

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Publication number
JP2020001710A
JP2020001710A JP2018119888A JP2018119888A JP2020001710A JP 2020001710 A JP2020001710 A JP 2020001710A JP 2018119888 A JP2018119888 A JP 2018119888A JP 2018119888 A JP2018119888 A JP 2018119888A JP 2020001710 A JP2020001710 A JP 2020001710A
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Japan
Prior art keywords
tab
lid
opening
display
lifting
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Granted
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JP2018119888A
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Japanese (ja)
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JP7210821B2 (en
Inventor
早紀 千地
Saki CHIJI
早紀 千地
恵 吉本
Megumi Yoshimoto
恵 吉本
敦嗣 小南
Atsushi Kominami
敦嗣 小南
遼太郎 磯村
Ryotaro Isomura
遼太郎 磯村
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Toyo Seikan Group Holdings Ltd
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Toyo Seikan Kaisha Ltd
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Priority to JP2018119888A priority Critical patent/JP7210821B2/en
Priority to PCT/JP2019/023529 priority patent/WO2020004066A1/en
Priority to US17/255,325 priority patent/US20210261290A1/en
Priority to EP19827267.6A priority patent/EP3812293A4/en
Priority to CN201980041588.6A priority patent/CN112368218A/en
Publication of JP2020001710A publication Critical patent/JP2020001710A/en
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Publication of JP7210821B2 publication Critical patent/JP7210821B2/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
    • B65D17/4012—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening partially by means of a tearing tab
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/383—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures scoring lines, tear strips or pulling tabs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/001—Action for opening container
    • B65D2517/0014—Action for opening container pivot tab and push-down tear panel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2517/00—Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001—Details
    • B65D2517/0047—Provided with additional elements other than for closing the opening
    • B65D2517/0052—Prizes, tokens, badges or other information carrying devices
    • B65D2517/0053—Prizes, tokens, badges or other information carrying devices forming part of, or connected to, the tab

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers Opened By Tearing Frangible Portions (AREA)

Abstract

To provide a tab for opening a can lid which secures rigidity necessary for a tab and restrains disorder of a display when the display is added between a fixed part and a pull-up part of the tab.SOLUTION: A tab for opening a can lid includes a pull-up part formed on one end in a longitudinal direction, a push-down part formed on the other end in the longitudinal direction, a fixed part, arranged between the pull-up part and the push-down part and partitioned by an U-shape slot to be fixed to a can main body, and a curl part formed continually on a peripheral edge other than a cut trace of a connection piece formed on the push-down part. A surface between the fixed part and the pull-up part is a display surface, and the rear face of the display surface is an abutted surface on which a forming tool abuts.SELECTED DRAWING: Figure 1

Description

本発明は、缶蓋開口用のタブに関するものである。   The present invention relates to a tab for opening a can lid.

ステイオンタブ型の開口用タブを備えた缶蓋が一般に知られている。このような缶蓋は、缶蓋本体のパネルにタブが固定されており、タブは、リベットで缶蓋本体に固定される固定部と、固定部からスリットで分離されて指によって引き上げられる引き上げ部と、固定部を支点として引き上げ部の引き上げに応じて押し下げられる押し下げ部を備えており、缶蓋の開口は、タブの押し下げ部がパネルに形成されたスコアを破断させることで、スコアで区画された開口片が缶の内側に没入して缶蓋が開口する。   BACKGROUND ART A can lid provided with a stay tab type opening tab is generally known. In such a can lid, a tab is fixed to a panel of the can lid main body, and the tab is fixed to the can lid main body with rivets, and a pull-up portion which is separated from the fixed portion by a slit and pulled up by a finger. And a pressing portion that is pressed down in accordance with the lifting of the lifting portion with the fixing portion as a fulcrum, and the opening of the can lid is partitioned by the score by the pressing portion of the tab breaking the score formed on the panel. The opening piece sinks into the inside of the can and the can lid opens.

このような缶蓋における開口用のタブは、固定部が支点、引き上げ部が力点、押し下げ部が作用点となるてこの原理を利用して、開口操作時に指に掛かる力の軽減を図っており、固定部から引き上げ部までの長さが固定部から押し下げ部までの長さより長くなっている。また、引き上げ部の引き上げに対して押し上げ部の押し下げが連動するように、引き上げ部と押し下げ部を繋ぐタブの周縁には、剛性を高めるためのカール部が形成されている。   The opening tab in such a can lid uses the principle that the fixing part is a fulcrum, the lifting part is a point of force, and the depressing part is a point of action, to reduce the force applied to the finger during the opening operation. The length from the fixing portion to the raising portion is longer than the length from the fixing portion to the pressing portion. Further, a curl portion for increasing rigidity is formed on a peripheral edge of a tab connecting the lifting portion and the pressing portion so that the pressing of the lifting portion is linked with the lifting of the lifting portion.

そして、一般に、タブの固定部と引き上げ部との間には、フィンガーホールと呼ばれる孔が形成されている。これに対して、引き上げ部と固定部との間にフィンガーホールを設けていないタブも知られている（下記特許文献１参照）。このようなタブは、固定部と引き上げ部との間にタブパネルを設け、その一部に情報や絵柄などの表示を付与することによって、加飾性を高めることができる。   Generally, a hole called a finger hole is formed between the fixing portion of the tab and the lifting portion. On the other hand, a tab without a finger hole between the lifting portion and the fixing portion is also known (see Patent Document 1 below). In such a tab, a decorative panel can be provided by providing a tab panel between the fixed portion and the lifting portion and displaying information, a picture, or the like on a part of the tab panel.

特開２０１７−１２１９６７号公報JP 2017-121967 A

前述したタブは、帯状コイルに複数のタブを連ねた状態で製造される。その際に、タブは、帯状コイルから複数の工程を経て打ち抜き成形されるが、先ず帯状コイルに必要な孔加工が施され、次いで、所謂キャリーポイントとなる連結片を除く環状のカット線でタブの外形が打ち抜かれ、複数のタブを連結片でコイルに連ねた状態で、凹凸成形や周縁をカール成形するなど、所要のタブ成形加工が施され、最後に連結片を切断してタブを缶蓋本体に取り付けている。   The above-described tab is manufactured in a state where a plurality of tabs are connected to a strip coil. At that time, the tab is stamped and formed from the strip coil through a plurality of steps.First, the strip coil is subjected to necessary hole processing, and then the tab is cut by an annular cut line excluding a connecting piece serving as a so-called carry point. In the state where multiple external tabs are punched out and a plurality of tabs are connected to the coil with connecting pieces, required tab forming processing is performed, such as forming irregularities and curling the periphery, and finally cutting the connecting pieces and removing the tabs It is attached to the lid body.

この際、前述したキャリーポイントとなる連結片が固定部の左右両側に存在していると、その連結片が存在した箇所で周縁に設けるカール部が途切れることになり、その途切れた箇所でタブの剛性が低下してしまう。このため、前述した従来技術のように、固定部と引き上げ部の間にフィンガーホールが存在していないものでは、開口操作時で引き上げ部を引き上げる際に、連結片が存在していたカール部の途切れ箇所が屈曲点となって、タブが折れ曲がり易く、開口に必要なタブの剛性を得ることができない問題が生じる。   At this time, if the connecting pieces serving as the above-described carry points are present on the left and right sides of the fixed portion, the curl portion provided on the periphery at the location where the connecting piece was present is interrupted, and the tabs are cut at the interrupted locations. Rigidity decreases. For this reason, in the case where the finger hole does not exist between the fixed portion and the lifting portion as in the above-described conventional technology, when the lifting portion is pulled up at the time of the opening operation, the curl portion where the connecting piece was present was used. The break point becomes a bending point, the tab is easily bent, and a problem arises in that the rigidity of the tab required for the opening cannot be obtained.

また、ステイオンタブ型の開口用タブは、缶を手にした人が、開口操作する際に特に注目する箇所であり、開口後も缶蓋本体から切り離されることがないので、その一部に情報や絵柄などの表示を付与することによって、前述したように加飾性を高めることができると共に、効果的に情報提供や広告を行うことができる。   In addition, a stay-on tab-type opening tab is a part that a person holding the can pays particular attention to when performing the opening operation, and is not separated from the can lid body even after the opening. By providing the display of information, pictures, and the like, it is possible to enhance the decorativeness as described above, and it is possible to provide information and advertisement effectively.

タブへの表示は、固定部と引き上げ部との間のフィンガーホールを無くして、そこに表示を行うことが有効である。しかしながら、固定部と引き上げ部との間にレーザーマーキングやインクジェットプリントなどで表示を行った場合には、そこに前述した従来技術のように表面が下向きに凸のタブパネルを成形すると、成形ツールのツール面が表示が付された面に接触することになり、レーザーマーキング時に生じる粉塵やインクジェットプリントのインクがツール面に転写されて、自身のタブの表示を乱したり、帯状コイルに連なっている他のタブの加工時に、成形ツールのツール面に転写された粉塵やインクが他のタブに転写されて、他のタブの表示を乱したりする不具合が生じる問題があった。   It is effective for the display on the tab to eliminate the finger hole between the fixed portion and the raised portion, and to perform the display there. However, when a display is made between the fixed portion and the raised portion by laser marking or ink-jet printing, if a tab panel having a downwardly convex surface is formed thereon as in the above-described conventional technology, a tool of a forming tool is formed. The surface comes into contact with the marked surface, and dust generated during laser marking and ink for ink-jet printing are transferred to the tool surface, disturbing the display of its own tab and connecting to the strip coil. When processing the tab, there is a problem that dust and ink transferred to the tool surface of the forming tool are transferred to another tab, and there is a problem that display of the other tab is disturbed.

また、タブの製造では、前述したように、タブの周縁にカール成形する加工を施しているが、その加工においてタブの固定部と引き上げ部との間が湾曲することがあり、この湾曲をリフォーム成形して平面化することが行われている。その際に、湾曲した固定部と引き上げ部との間にレーザーマーキングやインクジェットプリントなどによる表示が付されていると、リフォーム成形を行う成形ツールのツール面に対して前述した粉塵やインクが転写されることになり、その場合にも前述した問題と同様の問題が生じることになる。   Also, in the manufacture of the tab, as described above, the periphery of the tab is subjected to curl forming. However, in the processing, the portion between the fixed portion of the tab and the lifting portion may be curved, and this curvature is reformed. Forming and flattening are performed. At this time, if the marking by laser marking or inkjet printing is attached between the curved fixed part and the raised part, the dust and ink described above are transferred to the tool surface of the forming tool that performs reform molding. In that case, a problem similar to the above-described problem occurs.

また、フィルガーホールが存在しないものでは、開口操作時に引き上げ部を引き上げる際に、上面を下向き凸状に形成するとタブパネルに指が接触することにより、良好な操作感を得ることができない問題が生じる。   Further, in the case where there is no Filger hole, when the lifting portion is pulled up at the time of opening operation, if the upper surface is formed in a downwardly convex shape, a finger comes into contact with the tab panel, so that there is a problem that a good operation feeling cannot be obtained. .

本発明は、このような事情に対処するために提案されたものである。すなわち、タブの固定部と引き上げ部との間に表示を付加するに際して、タブに必要な剛性を確保すること、表示の乱れを抑止すること、開口時に良好な操作感を得ることができることなどが、本発明の課題である。   The present invention has been proposed to address such a situation. That is, when a display is added between the fixed portion and the raised portion of the tab, it is necessary to ensure the necessary rigidity of the tab, to suppress the display from being disturbed, and to obtain a good operational feeling at the time of opening. It is an object of the present invention.

このような課題を解決するために、本発明による缶蓋開口用タブは、以下の構成を具備するものである。
長手方向の一端側に設けられる引き上げ部と、長手方向の他端側に設けられる押し下げ部と、前記引き上げ部と前記押し下げ部の間に設けられ、Ｕ字状のスロットによって区画形成されて缶蓋本体に固定される固定部と、前記押し下げ部に設けられる連結片切断痕を除く周縁に連続して形成されるカール部とを備え、前記固定部と前記引き上げ部との間の表面が表示面であり、前記表示面の裏面側は成形ツールが当接される被当接面であることを特徴とする缶蓋開口用タブ。 In order to solve such a problem, a can lid opening tab according to the present invention has the following configuration.
A lifting part provided at one end in the longitudinal direction, a depressing part provided at the other end in the longitudinal direction, and a can lid provided between the lifting part and the depressing part and defined by a U-shaped slot. A fixing portion fixed to the main body, and a curl portion continuously formed on the periphery except for a connection piece cutting mark provided on the pressing portion, wherein a surface between the fixing portion and the lifting portion is a display surface. Wherein the back side of the display surface is a contacted surface to which a molding tool is contacted.

本発明の実施形態に係る缶蓋開口用タブを示した説明図（（ａ）がＡ−Ａ断面図、（ｂ）が平面図、（ｃ）が背面図）である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory view showing a can lid opening tab according to an embodiment of the present invention ((a) is an AA cross-sectional view, (b) is a plan view, and (c) is a rear view). 本発明の他の実施形態に係る缶蓋開口用タブを示した説明図（（ａ）がＡ−Ａ断面図、（ｂ）が平面図、（ｃ）が背面図）である。FIG. 10 is an explanatory view showing a can lid opening tab according to another embodiment of the present invention ((a) is a cross-sectional view taken along line AA, (b) is a plan view, and (c) is a rear view). 本発明の他の実施形態に係る缶蓋開口用タブを示した説明図（（ａ）がＡ−Ａ断面図、（ｂ）が平面図、（ｃ）が背面図）である。FIG. 10 is an explanatory view showing a can lid opening tab according to another embodiment of the present invention ((a) is a cross-sectional view taken along line AA, (b) is a plan view, and (c) is a rear view). 本発明の他の実施形態に係る缶蓋開口用タブを示した説明図（（ａ）がＡ−Ａ断面図、（ｂ）が平面図）である。It is explanatory drawing which showed the tab for can lid opening which concerns on other embodiment of this invention ((a) is AA sectional drawing, (b) is a top view). 本発明の他の実施形態に係る缶蓋開口用タブを示した説明図（（ａ）がＡ−Ａ断面図、（ｂ）が平面図）である。It is explanatory drawing which showed the tab for can lid opening which concerns on other embodiment of this invention ((a) is AA sectional drawing, (b) is a top view). 本発明の実施形態に係る缶蓋開口用タブにおける表示部の位置を示した説明図である（（ａ）が図１に示した例であり、（ｂ）が図３に示した例である。）。FIGS. 4A and 4B are explanatory diagrams showing positions of a display unit in a tab for opening a can lid according to the embodiment of the present invention ((a) is an example shown in FIG. 1, and (b) is an example shown in FIG. 3). .). 缶蓋開口用タブが取り付けられる缶蓋の製造方法を示した説明図である。It is explanatory drawing which showed the manufacturing method of the can lid to which the tab for can lid opening is attached. 缶蓋開口用タブの形成過程を示した説明図（（ａ）が表示部の描画後の状態、（ｂ）が孔加工後の状態、（ｃ）が外周部分の打ち抜き後の状態）である。Explanatory drawing showing a process of forming a tab for opening a can lid ((a) is a state after drawing of a display portion, (b) is a state after drilling, and (c) is a state after punching of an outer peripheral portion). . 缶蓋開口用タブの形成過程を示した説明図（（ａ），（ｂ）が凹凸成形後の状態、（ｃ）がカール成形後の状態）である。FIGS. 3A and 3B are explanatory views showing a process of forming a tab for opening a can lid ((a) and (b) show a state after irregularity molding, and (c) shows a state after curl molding). タブパネルの凹凸成形加工を示した説明図（（ａ）が成形前の状態、（ｂ）が成形後の状態）である。FIGS. 3A and 3B are explanatory views showing the unevenness forming process of the tab panel ((a) is a state before forming, and (b) is a state after forming).

以下、図面を参照して本発明の実施形態を説明する。以下の説明で、異なる図における同一符号は同一機能の部位を示しており、各図における重複説明は適宜省略する。図１〜図３における矢印Ｘ方向は缶蓋開口用タブの長手方向を示し、矢印Ｙ方向は平面視してＸ方向に直交する方向を示し、矢印Ｚ方向は、缶蓋開口用タブの厚さ方向を示している。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, the same reference numerals in different drawings indicate parts having the same function, and the repeated description in each drawing will be omitted as appropriate. 1 to 3, an arrow X direction indicates a longitudinal direction of the can lid opening tab, an arrow Y direction indicates a direction orthogonal to the X direction in plan view, and an arrow Z direction indicates a thickness of the can lid opening tab. Direction.

図１〜図３に示すように、缶蓋開口用タブ（以下、タブ）１（１Ａ，１Ｂ，１Ｃ）は、長手方向（図示Ｘ方向）の一端側に引き上げ部２、長手方向（図示Ｘ方向）の他端側に押し下げ部３、引き上げ部２と押し下げ部３との間に固定部４が設けられている。   As shown in FIGS. 1 to 3, a can lid opening tab (hereinafter, tab) 1 (1A, 1B, 1C) has a pulling portion 2 at one end in a longitudinal direction (X direction in the drawing) and a longitudinal direction (X direction in the drawing). The lower part 3 is provided on the other end side in the direction (i.e., direction), and the fixed part 4 is provided between the raising part 2 and the lower part 3.

引き上げ部２は、開口操作を行う人の指が掛けられる部位であり、図示Ｚ方向に引き上げることで開口操作が行われる。押し下げ部３は、引き上げ部２の引き上げによって逆向きに押し下げられる部位であり、この部位が缶蓋本体のパネルに当接して押し下げられることで缶蓋本体のスコアが破断する。   The lifting unit 2 is a portion on which a finger of the person performing the opening operation is hung, and the opening operation is performed by raising the finger in the illustrated Z direction. The push-down portion 3 is a portion which is pushed down in the opposite direction by the pulling-up of the pull-up portion 2, and when this portion comes into contact with the panel of the can lid body and is pushed down, the score of the can lid body is broken.

固定部４は、Ｕ字状のスロット５によって区画形成されており、缶蓋本体のパネルに設けられるリベットが挿入するリベット孔６を備えており、リベットをリベット孔６に挿入してかしめることで、固定部４が缶蓋本体に固定される。   The fixing portion 4 is defined by a U-shaped slot 5 and has a rivet hole 6 into which a rivet provided in a panel of the can lid body is inserted. The rivet is inserted into the rivet hole 6 and swaged. Thus, the fixing portion 4 is fixed to the can lid body.

押し下げ部３の中央には、連結片切断痕７が有る。そして、連結片切断痕７を除くタブ１の外周縁には、カール部８が形成されている。カール部８は、引き上げ部２を力点、固定部４を支点、押し下げ部３を作用点とするてこ棒としてタブ１が機能するために、タブ１の屈曲剛性を高めている。ここで、連結片切断痕７を押し下げ部３に設けていることで、カール部８の途切れ箇所が開口操作時に引き上げ部２を引き上げる際に曲げ力が加わらない位置に配置されており、これによってタブ１は缶蓋の開口に必要な剛性を備えている。   At the center of the depressed portion 3, there is a connection piece cutting mark 7. A curl portion 8 is formed on the outer peripheral edge of the tab 1 except for the connection piece cutting trace 7. The curl portion 8 enhances the bending rigidity of the tab 1 because the tab 1 functions as a lever bar having the lifting portion 2 as a point of force, the fixing portion 4 as a fulcrum, and the pressing portion 3 as an application point. Here, since the connecting piece cutting trace 7 is provided in the depressing portion 3, the interrupted portion of the curl portion 8 is arranged at a position where no bending force is applied when pulling up the pulling portion 2 at the time of opening operation. The tab 1 has the rigidity required for opening the can lid.

タブ１（１Ａ，１Ｂ，１Ｃ）には、成形加工が施されている。一つには、固定部４の周囲にＺ方向とは逆側に凸の成形部１０が設けられており、それに加えて、引き上げ部２と固定部４との間に成形加工が施されている。図１に示すタブ１（１Ａ）は、引き上げ部２と固定部４との間に、図示Ｚ方向に凸状に成形された（すなわち、表面側が凸状に成形され、裏面側が凹状に成形された）成形部１１が設けられている。図２に示すタブ１（１Ｂ）は、引き上げ部２と固定部４との間に、図示Ｚ方向に凸のドーム状に成形された成形部１２が設けられている。図３に示すタブ１（１Ｃ）は、リフォーム成形によって、引き上げ部２と固定部４の間をフラットにしている。   The tab 1 (1A, 1B, 1C) is formed. On one side, a convex forming portion 10 is provided around the fixing portion 4 on the side opposite to the Z direction, and in addition to this, a forming process is performed between the lifting portion 2 and the fixing portion 4. I have. The tab 1 (1A) shown in FIG. 1 is formed between the lifting portion 2 and the fixing portion 4 in a convex shape in the illustrated Z direction (that is, the front surface is formed in a convex shape, and the back surface is formed in a concave shape. A) a forming part 11 is provided. The tab 1 (1B) shown in FIG. 2 has a molded part 12 formed in a dome shape convex in the Z direction in the drawing between the raised part 2 and the fixed part 4. In the tab 1 (1C) shown in FIG. 3, the space between the pull-up portion 2 and the fixed portion 4 is made flat by reforming.

タブ１（１Ａ，１Ｂ，１Ｃ）は、表示面２０を備えている。表示面２０は、図示省略しているが、引き上げ部２と固定部４との間の表面であって、レーザーマーキング又はインクジェットプリントなどによって、２次元コード、ロゴ、絵、文字、番号等が描画された表示部が形成されている。そして、表示面２０の裏面側は、前述したような成形加工を施すための被当接面２１になっている。被当接面２１には、前述した成形部１１，１２の成形、或いは図３におけるリフォーム成形を行うための成形ツールが当接する。   The tab 1 (1A, 1B, 1C) has a display surface 20. Although not shown, the display surface 20 is a surface between the pulling unit 2 and the fixing unit 4, and a two-dimensional code, a logo, a picture, a character, a number, or the like is drawn by laser marking or inkjet printing. A display unit is formed. The rear surface of the display surface 20 is a contact surface 21 for performing the above-described forming process. A molding tool for performing the molding of the molding portions 11 and 12 or the reform molding in FIG. 3 abuts on the contact surface 21.

図４及び図５は、他の例（タブ１（１Ｄ，１Ｅ））を示している。前述の例と同様の部位には同一符号を付して重複説明を省略する。図４に示したタブ１（１Ｄ）は、引き上げ部２と固定部４との間の表示面２０（或いは被当接面２１）に、成形部１３を設け、その周囲にビード形状部１５を設けている。成形部１３は、表面側が凸状（上向き凸状）に形成されており、ビード形状部１５は、成形部１３の周囲を断面波状に成形している。図５に示したタブ１（１Ｅ）は、引き上げ部２と固定部４との間の表示面２０（或いは被当接面２１）に、成形部１４を設け、成形部１４と固定部４との間に、段差部１６を形成して、成形部１４と表示部２０と引き上げ部２からなるチップアップ形状部１７を設けている。成形部１４は、表面側が凸状（上向き凸状）に形成されており、段差部１６は、成形部１４と固定部４との間に段差を設けている。   4 and 5 show another example (tab 1 (1D, 1E)). The same parts as those in the above-described example are denoted by the same reference numerals, and redundant description will be omitted. The tab 1 (1D) shown in FIG. 4 is provided with a molded portion 13 on a display surface 20 (or a contact surface 21) between the lifting portion 2 and the fixed portion 4, and a bead-shaped portion 15 around the molded portion 13. Provided. The molded portion 13 has a convex surface (upward convex shape) on the surface side, and the bead-shaped portion 15 has a periphery of the molded portion 13 formed into a wavy cross section. The tab 1 (1E) shown in FIG. 5 is provided with a forming part 14 on the display surface 20 (or the contact surface 21) between the lifting part 2 and the fixing part 4, and the forming part 14, the fixing part 4 A stepped portion 16 is formed between them, and a chip-up shape portion 17 including the molded portion 14, the display portion 20, and the raised portion 2 is provided. The molding portion 14 has a convex surface (upward convex shape) on the surface side, and the step portion 16 has a step between the molding portion 14 and the fixing portion 4.

図６は、タブ１の表示面２０における表示部２０Ａの位置を示している。図６（ａ）に示した例では、表示部２０Ａは、表示面２０に設けた成形部１１の範囲内に設けられており、図６（ｂ）に示した例では、フラットに成形された表示面２０の所定範囲に表示部２０Ａが設けられている。表示部２０ＡのサイズＬ１×Ｌ２は適宜に設定することができる（例えばＬ１＝４．５〜８．８ｍｍ、Ｌ２＝７．０〜１１．６ｍｍ）。   FIG. 6 shows the position of the display unit 20 </ b> A on the display surface 20 of the tab 1. In the example shown in FIG. 6A, the display unit 20A is provided within the range of the forming unit 11 provided on the display surface 20, and in the example shown in FIG. 6B, the display unit 20A is formed flat. The display unit 20A is provided in a predetermined range of the display surface 20. The size L1 × L2 of the display unit 20A can be appropriately set (for example, L1 = 4.5 to 8.8 mm, L2 = 7.0 to 11.6 mm).

タブ１が取り付けられる缶蓋は、図７に示すように製造される。すなわち、コイルＣから巻き戻されたタブ材Ｔが、先ず、描画装置（例えば、レーザーマーカ）３０に通され、タブ材Ｔの表面にレーザーマーキングなどで描画された表示部が形成される。次に、表示部が形成されたタブ材Ｔは、タブ成形機３１に通され、タブ１が形成される。   The can lid to which the tab 1 is attached is manufactured as shown in FIG. That is, the tab material T unwound from the coil C is first passed through a drawing device (for example, a laser marker) 30 to form a display portion drawn by laser marking or the like on the surface of the tab material T. Next, the tab material T on which the display portion is formed is passed through a tab forming machine 31 to form the tab 1.

図８及び図９は、タブ材Ｔが描画装置３０とタブ成形機３１を通過する間のタブ形成過程を示している。図８（ａ）には、タブ材Ｔの表面に表示部Ｔ１を描画した状態を示している。図７に示した描画装置３０内で表示部Ｔ１が形成される。図８（ｂ）は、タブ材Ｔにタブ成形機３１内で孔加工を施した状態を示している。ここでは、設定位置にリベット孔６とＵ字状のスロット５を形成し、更に連結片（キャリーポイント）Ｔ４を形成するための孔Ｔ２，Ｔ３を形成している。図９（ｃ）では、タブの外周縁の更に外側を画定するカット線Ｔ５を打ち抜き加工で形成している。   FIGS. 8 and 9 show a tab forming process while the tab material T passes through the drawing device 30 and the tab forming machine 31. FIG. 8A shows a state in which the display unit T1 is drawn on the surface of the tab material T. The display unit T1 is formed in the drawing device 30 shown in FIG. FIG. 8B shows a state in which a hole is formed in the tab material T in the tab forming machine 31. Here, a rivet hole 6 and a U-shaped slot 5 are formed at a set position, and holes T2 and T3 for forming a connecting piece (carry point) T4 are further formed. In FIG. 9C, a cut line T5 defining the outer periphery of the outer peripheral edge of the tab is formed by punching.

図９（ａ）は、カット線Ｔ５の内側とリベット孔６とスロット５の近くに成形部を形成した状態を示しており、図９（ｂ）は、スロット５の外側に成形部１０を形成すると共に、成形部１１を形成している。   FIG. 9A shows a state in which a molded part is formed inside the cut line T5, near the rivet hole 6 and the slot 5, and FIG. 9B shows a state in which the molded part 10 is formed outside the slot 5. At the same time, the molded part 11 is formed.

成形部１１の成形は、図１０に示すように、タブ成形機３１内に備えられる成形ダイ４０と成形ツール４１を用いる。ここで、タブ材Ｔの表示部Ｔ１が形成された表示面２０は、図１０（ａ）に示すように、成形ダイ４０のダイ孔４０Ａ内に向けて配置され、成形ツール４１は、タブ材Ｔの裏面の被当接面２１に対面して配置されている。   As shown in FIG. 10, the forming part 11 uses a forming die 40 and a forming tool 41 provided in a tab forming machine 31. Here, the display surface 20 on which the display portion T1 of the tab material T is formed is disposed toward the inside of the die hole 40A of the forming die 40 as shown in FIG. It is arranged so as to face the contact surface 21 on the back surface of T.

そして、タブ材Ｔの被当接面２１に成形ツール４１を当接させ、成形ツール４１をダイ孔４０Ａに押し込むことで、図１０（ｂ）に示すように、ダイ孔４０Ａ内にて成形部１１が成形される。この際、成形ツール４１は、表示面２０の裏面側の被当接面２１に当接して成形が行われるので、表示面２０に形成された表示部Ｔ１に成形ツール４１が接触することを回避することができる。これによって、表示部Ｔ１の表示状態を乱すこと無く、また、成形ツール４１に表示部Ｔ１にある粉塵やインクが転写されること無く、成形部１１を成形することができる。また、タブ１（１Ｃ）は、被当接面２１がフラットに形成されているので、表示部Ｔ１の面積をタブ１（１Ａ，１Ｂ）よりも広く確保できる。   Then, the forming tool 41 is brought into contact with the contact surface 21 of the tab material T, and the forming tool 41 is pushed into the die hole 40A, thereby forming the forming portion in the die hole 40A as shown in FIG. 11 is molded. At this time, the molding tool 41 is in contact with the abutted surface 21 on the back surface side of the display surface 20 and molding is performed, so that the molding tool 41 is prevented from contacting the display portion T1 formed on the display surface 20. can do. Thus, the molding unit 11 can be molded without disturbing the display state of the display unit T1 and without transferring the dust or ink on the display unit T1 to the molding tool 41. Further, since the contact surface 21 of the tab 1 (1C) is formed flat, the area of the display portion T1 can be ensured to be larger than that of the tab 1 (1A, 1B).

タブ成形機３１を通過したタブ材Ｔは、図９（ｃ）に示すように、タブ１が連結片Ｔ４でタブ材Ｔに連結された状態で、図７に示すコンバージョンプレス３２に送られる。コンバージョンプレス３２では、缶蓋本体の成形が行われると共に、缶蓋本体のリベット位置に対してタブ１のリベット孔６を位置決めした後、連結片Ｔ４を切断してタブ１をタブ材Ｔから分離し、リベットをリベット孔６に挿入してかしめ、タブ１を缶蓋本体に取り付ける。これによって、缶蓋Ｐを得る。   The tab material T that has passed through the tab forming machine 31 is sent to the conversion press 32 shown in FIG. 7 in a state where the tab 1 is connected to the tab material T by the connecting piece T4 as shown in FIG. 9C. In the conversion press 32, the can lid body is formed, and after the rivet hole 6 of the tab 1 is positioned with respect to the rivet position of the can lid body, the connecting piece T4 is cut to separate the tab 1 from the tab material T. Then, the rivet is inserted into the rivet hole 6 and swaged, and the tab 1 is attached to the can lid body. Thereby, the can lid P is obtained.

図１に示した実施形態（表面側が表示面２０であり、裏面側が被当接面２１であって、上向き凸の成形部１１が形成されている。）における開口動作の官能評価結果を下記の表１に示す。   The sensory evaluation result of the opening operation in the embodiment shown in FIG. 1 (the front surface is the display surface 20, the back surface is the contact surface 21, and the upwardly protruding molded portion 11 is formed) is shown below. It is shown in Table 1.

官能評価試験では、実施形態のタブ１が取り付けられた缶蓋（表面側が表示面２０であり、裏面側が被当接面２１であって、上向き凸の成形部１１が形成されているタブ１が取り付けられた缶蓋）を例１、成形部１１をフラットにした以外は例１と同様の缶蓋を例２、成形部１１の向きを下向きに凸とした以外は例１と同様の缶蓋を例３として、これらに対して、開口動作の官能評価試験を行った。   In the sensory evaluation test, the can lid to which the tab 1 of the embodiment is attached (the front surface is the display surface 20, the back surface is the contact surface 21, and the tab 1 on which the upwardly protruding molded portion 11 is formed) Example 2 except that the attached can lid) was Example 1 and the can lid similar to Example 1 except that the molded part 11 was flat, and the same can lid as Example 1 except that the direction of the molded part 11 was convex downward. As Example 3, a sensory evaluation test of the opening operation was performed on these.

官能評価試験での開口時の動作は、先ず、タブ１に指先を当てながらタブ１と蓋面の隙間に指を入れ、次に、タブ１の被当接面２１に指先を誘導すると同時にタブ１を指で持ち上げて初期開口する。その後、タブ１の被当接面２１に指の腹をしっかりと当て、タブ１を指の腹で引き上げることにより、缶蓋本体のスコアによって画成される開口片を押し下げる。   At the time of opening in the sensory evaluation test, first, a finger is put in the gap between the tab 1 and the cover surface while the fingertip is being put on the tab 1, and then the fingertip is guided to the contact surface 21 of the tab 1 and at the same time 1 is lifted up with a finger to initially open. Then, the belly of the finger is firmly applied to the contact surface 21 of the tab 1, and the tab 1 is pulled up with the belly of the finger, thereby pushing down the opening piece defined by the score of the can lid body.

官能評価試験では、例１〜例３において、タブ１を指の腹で引き上げることにより、缶蓋本体のスコアによって画成される開口片を押し込む際に感じた違和感を相対的に評価した。例１のように上向き凸の成形部１１が形成されているものや、例２のようにフラットな成形部１１が形成されているものは、例３のように成形部１１の向きを下向きに凸としたものに比べて、引き上げ部の下面側の表面から被当接面２１までの間隔Ｓ１（図１参照）が上側（Ｚ方向）に大きく設けられているので、タブ１の被当接面２１に指先を誘導する際、指先が上側（Ｚ方向）に入り込みやすくなり、タブ１の引き上げ時の操作感は良くなると考えられる。   In the sensory evaluation test, in Examples 1 to 3, the tab 1 was pulled up with the pad of a finger to relatively evaluate the sense of discomfort felt when the opening piece defined by the score of the can lid body was pushed in. In the case where the upwardly protruding molded portion 11 is formed as in Example 1 and the case where the flat molded portion 11 is formed as in Example 2, the direction of the molded portion 11 is directed downward as in Example 3. As compared with the convex portion, the distance S1 (see FIG. 1) from the lower surface of the lifting portion to the contact surface 21 is larger in the upper direction (Z direction). When the fingertip is guided to the surface 21, it is considered that the fingertip easily enters the upper side (Z direction), and the operational feeling when the tab 1 is pulled up is improved.

官能評価試験における評価指標は、例３を基準として、例３よりも違和感が少なく、タブの引き上げ時の操作感がとても良いと感じる場合を「◎」、例３よりも違和感が少なく、タブの引き上げ時の操作感が良いと感じる場合を「○」、例３よりも違和感がややあると感じる場合を「△」とした。   The evaluation index in the sensory evaluation test is based on Example 3, where "◎" indicates that there is less discomfort than Example 3 and that the operation feeling when pulling up the tab is very good. The case where the operation feeling at the time of raising was felt good was indicated by “○”, and the case where the feeling of discomfort was slightly higher than in Example 3 was indicated by “△”.

表１から明らかなように、例１（上向き凸の成形部１１を設けた例）と例２（フラットな成形部１１を設けた例）は、例３（下向き凸の成形部１１を設けた例）に対して、概ね違和感が少なく良好な操作感が得られるという結果になった。つまり、タブ１において表示部Ｔ１を表面側に設けて、裏面側から成形ツールを当接させ、上向き凸の成形部１１を成形したもの、或いは引き上げ部と固定部との間をフラットに成形したものは、乱れの無い表示部Ｔ１が得られるだけで無く、開口時に良好な操作感を得ることができる。そして、連結片Ｔ４の位置を押し上げ部に設けることで、タブ１に必要な剛性を確保することができる。   As is clear from Table 1, Example 1 (an example in which the upwardly protruding molded portion 11 was provided) and Example 2 (an example in which the flat molded portion 11 was provided) were Example 3 (in which the downwardly convex molded portion 11 was provided). In contrast to Example), a result was obtained in which little uncomfortable feeling was obtained and a good operation feeling was obtained. That is, the display portion T1 is provided on the front surface side of the tab 1 and the forming tool is brought into contact with the back surface side to form the upwardly convex forming portion 11, or the portion between the lifting portion and the fixing portion is formed flat. In the case of the display, not only the display unit T1 without disturbance can be obtained, but also a good operation feeling can be obtained at the time of opening. By providing the position of the connecting piece T4 in the push-up portion, the required rigidity of the tab 1 can be secured.

Figure 2020001710
Figure 2020001710

以上、本発明の実施の形態について図面を参照して詳述してきたが、具体的な構成はこれらの実施の形態に限られるものではなく、本発明の要旨を逸脱しない範囲の設計の変更等があっても本発明に含まれる。また、上述の各実施の形態は、その目的及び構成等に特に矛盾や問題がない限り、互いの技術を流用して組み合わせることが可能である。   As described above, the embodiments of the present invention have been described in detail with reference to the drawings. However, the specific configuration is not limited to these embodiments, and a design change or the like may be made without departing from the gist of the present invention. The present invention is also included in the present invention. In addition, each of the above-described embodiments can be combined with each other by diverting the techniques unless there is a particular contradiction or problem in the purpose, configuration, or the like.

１（１Ａ，１Ｂ，１Ｃ）：缶蓋開口用タブ（タブ），
２：引き上げ部，３：押し下げ部，４：固定部，５：スロット，
６：リベット孔，７：連結片切断痕，８：カール部，
１０，１１，１２，１３，１４：成形部，
１５：ビード形状部，１６：段差部，１７：チップアップ形状部，
２０：表示面，２０Ａ：表示部，２１：被当接面，
３０：描画装置，３１：タブ成形機，３２：コンバージョンプレス，
Ｔ：タブ材，Ｔ１：表示部，Ｔ２，Ｔ３：孔，Ｔ４：連結片，Ｔ５：カット線，
Ｐ：缶蓋 1 (1A, 1B, 1C): tab (tab) for opening a can lid,
2: lifting part, 3: depressing part, 4: fixed part, 5: slot,
6: rivet hole, 7: connection piece cut mark, 8: curl portion,
10, 11, 12, 13, 14: molded part,
15: bead shape part, 16: stepped part, 17: tip-up shape part,
20: display surface, 20A: display portion, 21: contact surface,
30: Drawing apparatus, 31: Tab molding machine, 32: Conversion press,
T: tab material, T1: display, T2, T3: hole, T4: connecting piece, T5: cut line,
P: Can lid

Claims (4)

長手方向の一端側に設けられる引き上げ部と、
長手方向の他端側に設けられる押し下げ部と、
前記引き上げ部と前記押し下げ部の間に設けられ、Ｕ字状のスロットによって区画形成されて缶蓋本体に固定される固定部と、
前記押し下げ部に設けられる連結片切断痕を除く周縁に連続して形成されるカール部とを備え、
前記固定部と前記引き上げ部との間の表面が表示面であり、前記表示面の裏面側は成形ツールが当接される被当接面であることを特徴とする缶蓋開口用タブ。 A lifting portion provided on one end side in the longitudinal direction,
A depressing portion provided on the other end side in the longitudinal direction,
A fixing portion provided between the lifting portion and the pressing portion, defined by a U-shaped slot, and fixed to the can lid body;
Comprising a curl portion continuously formed on the periphery except for the connection piece cutting trace provided in the press-down portion,
A tab for opening a can lid, wherein a surface between the fixing portion and the lifting portion is a display surface, and a back surface side of the display surface is a contact surface to which a molding tool is to be contacted. 前記表示面には、レーザーマーキング又はインクジェットプリントにより描画された表示部が形成され、
前記固定部と前記引き上げ部の間には、前記表示面側が凸状に成形され、前記被当接面側が凹状に成形された成形部が設けられていることを特徴とする請求項１記載の缶蓋開口用タブ。 On the display surface, a display portion drawn by laser marking or inkjet printing is formed,
2. The molding device according to claim 1, wherein the display surface side is formed in a convex shape, and the contact surface is formed in a concave shape, between the fixing portion and the lifting portion. 3. Tab for opening the can lid. 前記被当接面がフラットに成形されていることを特徴とする請求項１記載の缶開口用タブ。   The can opening tab according to claim 1, wherein the contact surface is formed flat. 請求項１〜３のいずれかに１項に記載された缶蓋開口用タブと、
前記固定部が固定されると共に前記押し下げ部の押し下げで破断するスコアによって画成される開口片を有する缶蓋本体とを備える缶蓋。 A can lid opening tab according to any one of claims 1 to 3,
A can cover body having an opening piece defined by a score to which the fixing portion is fixed and which is broken by the pressing of the pressing portion.
JP2018119888A 2018-06-25 2018-06-25 Tab for can lid opening Active JP7210821B2 (en)

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JP2018119888A JP7210821B2 (en) 2018-06-25 2018-06-25 Tab for can lid opening
PCT/JP2019/023529 WO2020004066A1 (en) 2018-06-25 2019-06-13 Tab for opening can lid
US17/255,325 US20210261290A1 (en) 2018-06-25 2019-06-13 Tab for opening can lid
EP19827267.6A EP3812293A4 (en) 2018-06-25 2019-06-13 Tab for opening can lid
CN201980041588.6A CN112368218A (en) 2018-06-25 2019-06-13 Ring tab for opening can lid

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WO2020004066A1 (en) 2020-01-02
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