JP4536881B2 - Packaging paper box with lid - Google Patents
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- JP4536881B2 JP4536881B2 JP2000219311A JP2000219311A JP4536881B2 JP 4536881 B2 JP4536881 B2 JP 4536881B2 JP 2000219311 A JP2000219311 A JP 2000219311A JP 2000219311 A JP2000219311 A JP 2000219311A JP 4536881 B2 JP4536881 B2 JP 4536881B2
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Description
【0001】
【発明の属する技術分野】
この発明は、蓋付き包装用紙箱、特に閉蓋状態における蓋体の不本意な開蓋を防止するために、閉蓋状態を保持する保持手段を備えた蓋付き包装用紙箱に関する。
【0002】
【従来の技術】
従来、この種の蓋付き包装用紙箱として種々提案されているが、例えば、実公昭52−22499号公報に開示された蓋付き包装用紙箱(J)、図8に示すように、箱本体(61)の前側壁(62)の上端部に外方突出状係止片(72)が設けられる一方、箱本体(61)の上縁部に被さる蓋体(80)の前側壁(82)の内面に係止部(86)が設けられると共に、該前側壁(82)の外方突出状係止片(72)の対応位置に円弧状切目(90)を設けて指押部(91)が形成されてなる構成が採用されている。
【0003】
このような構成を有する蓋付き包装用紙箱(J)は、図8(イ)に示す開蓋状態から、蓋体(80)を箱本体開口に被せるように下降させると、蓋体(80)の係止部(86)と箱本体(61)の外方突出状係止片(72)とが自動的に係止し合うものである。
【0004】
すなわち、蓋体(80)を、その係止部(86)が外方突出状係止片(72)を箱本体前側壁(62)に押し付けるように下降させた後、係止部(86)が外方突出状係止片(72)を通過すると、外方突出状係止片(72)がその弾性反発力により、蓋体前側壁(82)の内面に当接する。この状態で蓋体(80)を上方に回動させると、係止部(86)の先端が、外方突出状係止片(72)の先端又はその裏面に当接することにより蓋体(80)の上方への回動が阻止され、もって蓋体(80)の閉蓋状態が保持されるものである。
【0005】
そして、その閉蓋状態において蓋体の指押部(91)に指を押し当てて、蓋体前側壁(82)の内面に当接している外方突出状係止片(72)を箱本体前側壁(62)に押しつけながら、蓋体(80)を上方に回動させると、外方突出状係止片(72)と係止部(86)との係合が解除され、開蓋することができるものである。
【0006】
【発明が解決しようとする課題】
このような蓋付き包装用紙箱(J)は、閉蓋状態が確実に保持されるので、その閉蓋時に包装用紙箱(J)を倒したり、落としたりしても収納物が不本意に箱外に飛び出したり、漏出したりすることのないものである。
【0007】
しかしながら、このような蓋付き包装用紙箱(J)は、外方突出状係止片(72)が、箱本体(61)の前側壁(62)上縁から外方に折り返されてなるものであるところ、通常は、箱本体(61)の表面のみに化粧印刷が施されているから、外方突出状係止片(72)は、非印刷面が完全に露出してしまい、開蓋したときにいささか体裁が悪い。
【0008】
また、外方突出状係止片(72)は、単に前側壁(62)上縁から外方に折り返されているだけであるので、その弾性反発力も弱く、開閉を数度繰り返すと徐々に反発力が低減してきて、所期する閉蓋状態の保持効果を得られなくなってしまうこともある。
【0009】
この発明は、このような課題を解決することを目的としてなされたもので、繰り返し使用にも耐えうる耐久性を有すると共に、外観体裁上も良好な蓋付き包装用紙箱を提供しようとするものである。
【0010】
【課題を解決するための手段】
而して、この発明は上記目的を達成するために、箱本体の少なくとも一側壁の上端部に蓋体係止用舌片を切り起こし形成すると共に、蓋体係止用舌片の裏側に該側壁内面に重合される折り返し重合片を設けて、蓋体係止用舌片の弾性反発力を増大させるものとした。
【0011】
すなわち、この発明は、上面開口の紙箱本体と、紙箱本体の上縁部に被さるように前記上面開口を覆う蓋体とからなり、紙箱本体の少なくとも一側壁の上端部に設けられた蓋体係止用舌片と、蓋体の前記係止用舌片に対応する位置に設けられた係止用舌片係合部とを備え、閉蓋時に蓋体係止用舌片と係止用舌片係合部とが係合することにより、閉蓋状態が保持するものとなされてなる包装用紙箱において、紙箱本体の前記一側壁上縁から折目を介して該側壁内面に重合される折り返し重合片が連設される一方、前記一側壁上端部に、蓋体係止用舌片が前記折り返し重合片用折目と平行な折目を回動軸として、当該一側壁に非拘束状態に切り起こし形成され、閉蓋状態のもとでの蓋体の前記蓋体係止用舌片との対応位置に係止用舌片押圧用手指挿入口が設けられてなる構成を採用する。
【0012】
この発明によれば、蓋体を箱本体の上縁部に被せるようにして閉蓋すると、閉蓋前に箱本体前方に突出している蓋体係止用舌片が、閉蓋途上において、一旦は蓋体の対応側壁の内面により紙箱本体内方に向かって押さえ付けられ、当該一側壁と面一となるが、蓋体の係止用舌片係合部が蓋体係止用舌片を通過すると、蓋体係止用舌片が弾性反発力により蓋体の対応側壁内面に当接する。この状態において、蓋体を上方に引き上げようとする力が加わっても、係止用舌片係合部が係止用舌片に係合するので、前記引き上げが阻止され、不本意な開蓋が防止されることになる。その反面、任意に開蓋しようとする際には、係止用舌片押圧用手指挿入口に手指を挿入し、蓋体係止用舌片を押圧して蓋体の係止用舌片係合部との係合を解除しながら、蓋体を上方に引き上げると難無く開蓋することができる。
【0013】
蓋体係止用舌片の形状は、特に限定されるものではないが、半円状であることが好ましい。蓋体係止用舌片の回動軸となる折目を当該一側壁よりも外方に突出するものと設定することにより、当該一側壁よりも確実に前方に突出する蓋体係止用舌片を形成することができるからである。しかも、展開状態においては、単に半円状の切目を設けることにより、このような蓋体係止用舌片を簡単に創出することができるからである。
【0014】
前記蓋体係止用舌片の折目は、当該一側壁の延長線上に位置するものと設定されても良いが、その場合は、前記一側壁に蓋体係止用舌片の周縁に沿って溝状切欠部が設けられることを要する。この溝状切欠部が存在しないと、蓋体係止用舌片の切り起こしが行い難くなるからである。
【0015】
係止用舌片係合部は、蓋体係止用舌片が嵌合する嵌合凹部であることが好ましい。
【0016】
前記折り返し重合片は、その両端が紙箱本体の対応する両側壁の内面に圧接するものと設定されてなることが好ましい。折り返し重合片を重合される側壁内面に接着することなく、その重合状態が保持されるからである。前記両端が対応する側壁内面に圧接するためには、両端に圧接用小突起を設けても良いし、折り返し重合片の長さを両側壁間の距離よりも僅かに長く設定しても良い。
【0017】
【発明の実施の形態】
以下、この発明を図面に基づいて説明する。図1ないし図3は、この発明に係る第1実施形態の蓋付き包装用紙箱(A)を示すもので、該蓋付き包装用紙箱(A)は、薄手の段ボールからなる紙箱本体(1)と蓋体(20)とが一体化され、折り目(52)を回動軸として蓋体(20)が箱本体(1)の上縁部に被さるように開閉自在となされているものである。
【0018】
これを図3に示す展開状態に基づいて詳しく説明すると、紙箱本体(1)は、折目(41)(42)(43)を介して、後側壁(4)、右側壁(3)、前側壁(2)及び左側壁(5)が横一連に連設されてなり、さらに左側壁(5)の一側縁に折目(44)を介して胴貼り用接合片(10)が連設されている。また各側壁(4)(3)(2)(5)の下縁には折目(45)(46)(47)(48)を介して、底壁構成片(8)(7)(6)(9)が連設され、これらを組み合わせることにより、底壁が構成されるものとなされている。
【0019】
前記前側壁(2)の上縁には折目(50)を介して前側壁(2)内面に重合される折り返し重合片(11)が連設されている。該折り返し重合片(11)の両端には対応する箱本体左右両側壁(3)(5)の内面に圧接される小突起(11a)(11a)が突設されている。
【0020】
一方、前側壁(2)上端部に、半円状蓋体係止用舌片(12)が前記折り返し重合片用折目(50)と平行な折目(51)を回動軸として、当該一側壁(2)に非拘束状態に切り起こし形成されるものとなされている。前記折目(51)が折り返し重合片用折目(50)と平行なもう一つの折目(49)よりも展開状態において下方位置に設けられることにより、蓋体係止用舌片(12)が前側壁(2)よりも外方に突出するものと設定されている。(13)は、蓋体係止用舌片(12)を切り起こすための円弧状切目である。
【0021】
蓋体(20)は、その天面(21)が箱本体後側壁(4)の上縁から折目(52)を介して連設され、天面(21)の三側縁から折目(53)(56)(57)を介して前側壁(22)、右側壁(23)及び左側壁(25)が連設されている。また、前側壁(22)には、中央に手指挿入口(24)が設けられる一方、その下縁に前側壁(22)内面に重合される折り返し重合片(26)が折目(54)(55)を介して連設されている。この折り返し重合片(26)の中央部には蓋体係止用舌片(12)よりも僅かに大きい目の係止用舌片係合部としての半円状切欠部(27)が設けられ、閉蓋時に、該切欠部(27)に蓋体係止用舌片(12)が嵌合し、該舌片(12)の先端と切欠部(27)内縁とが係合することにより、閉蓋状態が保持されるものとなされている。また、折り返し重合片(26)の下縁には、前記切欠部(27)を挟んで一対の係止用小突起(26a)(26a)が下向きに突設されている。
【0022】
蓋体(20)の左右両側壁(25)(23)端縁には、前側壁(22)と折り返し重合片(26)間に介在される連結片(29)(28)が折目(59)(58)を介して連結される一方、連結片(29)(28)の上縁には、前記係止用小突起(26a)(26a)が係止される係止用孔(32)(33)を備えた受け片(30)(31)が連設され、それらの所定の組み合わせ状態において、係止用小突起(26a)(26a)が前記係止用孔(32)(33)に係止されることにより蓋体(20)が箱状に組み立てられるものとなされている。
【0023】
而して、上記構成を有する蓋付き包装用紙箱(A)は、前記展開状態から所定の折り曲げ操作及び組立操作を経ると、図1(ロ)に示すような組立完成状態が得られることになる。
【0024】
このように組み立てられた蓋付き包装用紙箱(A)に被収納物を収納した後、蓋体(20)を折目(52)を回動軸として下方に回動させて箱本体(1)に被せると、図2に示すように蓋体係止用舌片(12)が、蓋体前側壁(22)内側に設けられた半円状切欠部(27)内に嵌合されることになる。この状態において、蓋体(20)を上方に回動させようとすると、切欠部(27)の内縁が蓋体係止用舌片(12)の先端に引っ掛かって両者が係合するので、蓋体(20)の前記上方への回動が阻止され、蓋体係止用舌片(12)又は蓋体前側壁(2)を破壊する位の強い力を加えない限り、開蓋は不可能となる。
【0025】
しかしながら、このような閉蓋状態において、手指挿入口(24)に手指を挿入し、蓋体係止用舌片(12)を押圧して半円状切欠部(27)から脱出させながら、蓋体(20)を上方に回動させると難なく開蓋することができるものである。
【0026】
図4ないし図6は、この発明に係る第2実施形態の蓋付き包装用紙箱(B)を示すもので、箱本体(1)と蓋体(20)とが別体のものとして構成されているが、下記に特記する以外の構成は、第1実施形態の箱本体(1)及び蓋体(20)と同じであるので、同じ部位には同一の符号を用いて示すものとする。
【0027】
この第2実施形態の蓋付き包装用紙箱(B)の紙箱本体(1)は、第1実施形態の蓋付き包装用紙箱(A)と同様に前側壁(2)に折り返し重合片(11)と蓋体係止用舌片(12)とが設けられると共に、後側壁(4)にも同様の折り返し重合片(14)と蓋体係止用舌片(12)とが設けられている。また、蓋体(20)は、紙箱本体(1)に対応して前側壁(22)に半円状切欠部(27)が設けられると共に、後側壁(22)にも同様の半円用切欠部(27)が設けられている。
【0028】
而して、閉蓋時に蓋体係止用舌片(12)と半円状切欠部(27)とが係合することにより、閉蓋状態が保持されることは先の第1実施形態と同様であるので、その説明は省略する。
【0029】
図7は、この発明に係る第3実施形態の蓋付き包装用紙箱(C)を示すもので、箱本体(1)と蓋体(20)とは、第1実施形態の蓋付き包装用紙箱(A)と同様に一体的に形成されているものであり、同じ部位には同一の符号を用いて示すものとする。
【0030】
この第3実施形態の蓋付き包装用紙箱(C)の紙箱本体(1)に設けられた蓋体係止用舌片(12)は、横長の方形状に形成されると共に、その回動軸としての折目(51)は、箱本体(1)の前側壁(2)の延長線上、すなわち、折目(49)の延長線上に設けられている。また、蓋体係止用舌片(12)の周縁には、横倒しコ字状の切り溝(15)が設けられ、蓋体係止用舌片(12)が前記折目(51)を回動軸として前側壁(2)に非拘束状態に自在に回動するものとなされている。
【0031】
而して、閉蓋時に蓋体係止用舌片と半円状切欠部(27)とが係合することにより、閉蓋状態が保持されることは先の第1実施形態及び第2実施形態と同様であるので、その説明は省略する。
【0032】
【発明の効果】
この発明は、上述の次第で、
紙箱本体(1)の前記一側壁(2)上縁から折目(50)を介して該側壁内面に重合される折り返し重合片(11)が連設される一方、前記一側壁(2)上端部に、蓋体(20)の係止用舌片係合部(27)に係止する蓋体係止用舌片(12)が前記折り返し重合片用折目(50)と平行な折目(51)を回動軸として、当該一側壁(2)に非拘束状態に回動自在に設けられてなるものであるから、蓋体係止用舌片(12)に比較的強い弾性反発力が付与され、開閉を繰り返しても蓋体係止用舌片(12)と係止用舌片係合部(27)との係合が確実に行われる蓋付き包装用紙箱、耐久性に優れた蓋付き包装用紙箱を提供できる。
【0033】
また、閉蓋状態のもとでの蓋体(20)の前記蓋体係止用舌片(12)との対応位置に係止用舌片押圧用手指挿入口(24)が設けられているので、係止用舌片押圧用手指挿入口(24)に手指を挿入し、蓋体係止用舌片(12)を押圧するだけの操作で蓋体係止用舌片(12)と係止用舌片係合部(27)との係合を簡単に解除でき、開蓋容易な蓋付き包装用紙箱を提供できる。
【0034】
しかも、蓋体係止用舌片(12)が前記折り返し重合片用折目(50)と平行な折目(51)を回動軸として、当該一側壁(2)に非拘束状態に切り起こし形成されてなるものであるから、蓋体係止用舌片(12)の表面が実質的に箱本体の表面と同一の外観体裁の良好な蓋体付き包装用紙箱を提供できる。
【0035】
前記蓋体係止用舌片(12)が半円状に形成されると共に、前記折目(51)が当該一側壁(2)よりも外方に突出するものと設定されてなる場合には、該一側壁(2)に拘束されない蓋体係止用舌片(12)を切り起こし形成するためには、切目を設けるだけで良いので、製作容易な蓋体付き包装用紙箱を提供できる。
【0036】
係止用舌片係合部(27)が、蓋体係止用舌片(12)が嵌合する切欠部である場合には、蓋体係止用舌片(12)と係止用舌片係合部(27)との係合がより一層確実に行われる蓋体付き包装用紙箱を提供できる。
【0037】
蓋体係止用舌片(12)の折目(51)が当該一側壁(2)の延長線上に位置するものと設定される一方、前記一側壁(2)に蓋体係止用舌片(12)の周縁に沿って溝状切欠部(15)が設けられてなる場合には、蓋体係止用舌片(12)の形状を種々採択可能となり、意匠性の富んだ蓋付き包装用紙箱を提供できる。
【図面の簡単な説明】
【図1】(イ)は、この発明に係る第1実施形態の蓋付き包装用紙箱の斜視図、(ロ)は、同蓋付き包装用紙箱の開蓋状態の斜視図である。
【図2】(イ)は、図1(イ)のII−II線断面図、(ロ)は、閉蓋時の箱本体の正面図である。
【図3】同展開状態の平面図である。
【図4】(イ)は、この発明に係る第2実施形態の蓋付き包装用紙箱の斜視図、(ロ)は、同蓋付き包装用紙箱の開蓋状態の斜視図である。
【図5】図4(イ)のIV−IV線断面図である。
【図6】(イ)は、同蓋体の展開状態の平面図、(ロ)は、同箱本体の展開状態の平面図である。
【図7】(イ)は、この発明に係る第3実施形態の蓋付き包装用紙箱の斜視図、(ロ)は、同蓋付き包装用紙箱の開蓋状態を蓋体を鎖線で示した斜視図である。
【図8】(イ)は、従来の蓋付き包装用紙箱の開蓋状態の斜視図、(ロ)は、同要部の中央縦断面図である。
【符号の説明】
A、B…蓋付き包装用紙箱
1…紙箱本体
2…前側壁
3…右側壁
5…左側壁
11…折り返し重合片
12…蓋体係止用舌片
15…溝状切欠部
20…蓋体
24…蓋体係止用舌片押圧用手指挿入口
27…係止用舌片係合部
50、51…折目[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a wrapping paper box with a lid, and more particularly to a wrapping paper box with a lid provided with a holding means for holding the lid in a closed state in order to prevent unintentional opening of the lid in the closed state.
[0002]
[Prior art]
Conventionally, various types of packaging paper boxes with lids of this type have been proposed. For example, a packaging paper box with lids (J) disclosed in Japanese Utility Model Publication No. 52-22499, as shown in FIG. 61) An outwardly projecting locking piece (72) is provided at the upper end of the front side wall (62), while the front side wall (82) of the lid (80) covering the upper edge of the box body (61) is provided. A locking portion (86) is provided on the inner surface, and an arcuate cut (90) is provided at a position corresponding to the outwardly protruding locking piece (72) of the front side wall (82) so that the finger pressing portion (91) A formed configuration is employed.
[0003]
When the cover-wrapping paper box (J) having such a configuration is lowered from the open state shown in FIG. 8 (a) so that the cover (80) covers the opening of the box body, the cover (80) The locking portion (86) of the box and the outwardly protruding locking piece (72) of the box body (61) are automatically locked together.
[0004]
That is, after the lid (80) is lowered so that the locking portion (86) presses the outwardly protruding locking piece (72) against the front side wall (62) of the box body, the locking portion (86) When passing through the outwardly protruding locking piece (72), the outwardly protruding locking piece (72) comes into contact with the inner surface of the lid front side wall (82) by its elastic repulsive force. When the lid (80) is rotated upward in this state, the tip of the locking portion (86) comes into contact with the tip of the outward projecting locking piece (72) or the back surface thereof, so that the lid (80 ) Is prevented from rotating upward, and thus the lid (80) is kept closed.
[0005]
Then, in the closed state, the finger is pressed against the finger pressing portion (91) of the lid, and the outward protruding locking piece (72) in contact with the inner surface of the lid front side wall (82) is attached to the box body. When the lid (80) is rotated upward while being pressed against the front side wall (62), the engagement between the outward protruding locking piece (72) and the locking portion (86) is released, and the lid is opened. It is something that can be done.
[0006]
[Problems to be solved by the invention]
Since such a wrapping paper box (J) with a lid is securely held in a closed state, even if the wrapping paper box (J) is tilted or dropped when the lid is closed, the contents are unintentionally boxed. It does not jump out or leak out.
[0007]
However, such a wrapping paper box (J) with a lid is such that the outwardly protruding locking piece (72) is folded outward from the upper edge of the front side wall (62) of the box body (61). There is usually a decorative print on only the surface of the box body (61), so the outwardly protruding locking piece (72) is completely unexposed and uncovered. Sometimes it looks a little bad.
[0008]
Further, since the outward protruding locking piece (72) is merely folded outward from the upper edge of the front side wall (62), its elastic repulsive force is weak and gradually repels when it is repeatedly opened and closed several times. The force may be reduced, and the desired effect of holding the closed state may not be obtained.
[0009]
This invention was made for the purpose of solving such problems, and it is intended to provide a packaging paper box with a lid that has durability that can withstand repeated use and that also has good appearance. is there.
[0010]
[Means for Solving the Problems]
Thus, in order to achieve the above object, the present invention cuts and forms the lid locking tongue at the upper end of at least one side wall of the box body, and forms the lid locking tongue on the back side of the lid locking tongue. A folded overlap piece to be polymerized on the inner surface of the side wall was provided to increase the elastic repulsion force of the lid locking tongue piece.
[0011]
That is, the present invention comprises a paper box body having an upper surface opening and a lid body covering the upper surface opening so as to cover the upper edge portion of the paper box body, and a lid body member provided at an upper end portion of at least one side wall of the paper box body. A locking tongue piece and a locking tongue piece engaging portion provided at a position corresponding to the locking tongue piece of the lid, and the lid locking tongue piece and the locking tongue when the lid is closed In a wrapping paper box that is held in a closed state by being engaged with the one engagement portion, the folded back that is superposed on the inner surface of the side wall through the fold from the upper edge of the one side wall of the paper box body. While the overlapping piece is continuously provided, the lid locking tongue piece is placed on the upper end portion of the one side wall as a rotation axis in a fold parallel to the folded overlapping piece fold. The finger for pressing the tongue piece for locking at a position corresponding to the tongue piece for locking the lid body of the lid body that is cut and raised and in the closed state. To adopt a configuration in which the inlet is provided.
[0012]
According to the present invention, when the lid is closed so as to cover the upper edge portion of the box body, the lid locking tongue protruding in front of the box body before the lid is closed in the course of closing. Is pressed toward the inside of the paper box main body by the inner surface of the corresponding side wall of the lid, and is flush with the one side wall, but the locking tongue engaging portion of the lid does not hold the lid locking tongue. When it passes, the lid locking tongue comes into contact with the inner surface of the corresponding side wall of the lid by an elastic repulsive force. In this state, even if a force for lifting the lid upward is applied, the locking tongue piece engaging portion engages with the locking tongue piece, so that the lifting is prevented and the lid is opened unintentionally. Will be prevented. On the other hand, when it is desired to open the lid arbitrarily, the finger is inserted into the finger insertion opening for pressing the locking tongue and the tongue for locking the lid is pressed to engage the locking tongue of the lid. The lid can be opened without difficulty by lifting the lid upward while releasing the engagement with the joint.
[0013]
The shape of the lid locking tongue piece is not particularly limited, but is preferably a semicircular shape. By setting the fold as the pivot axis of the lid locking tongue piece to protrude outward from the one side wall, the lid locking tongue that reliably projects forward from the one side wall This is because a piece can be formed. Moreover, in the unfolded state, simply providing a semicircular cut makes it possible to easily create such a lid locking tongue.
[0014]
The fold of the lid locking tongue may be set to be located on an extension line of the one side wall. In this case, the fold of the lid locking tongue is along the periphery of the lid locking tongue. It is necessary to provide a groove-shaped notch. This is because if this groove-shaped notch does not exist, it is difficult to cut and raise the lid locking tongue.
[0015]
The engaging tongue piece engaging portion is preferably a fitting recess into which the lid engaging tongue piece is fitted.
[0016]
The folded polymer piece is preferably set so that both ends thereof are in pressure contact with the inner surfaces of the corresponding side walls of the paper box body. This is because the polymerization state is maintained without adhering the folded polymer piece to the inner surface of the side wall to be polymerized. In order for the both ends to come into pressure contact with the corresponding side wall inner surface, a small protrusion for pressure contact may be provided at both ends, and the length of the folded overlap piece may be set slightly longer than the distance between the side walls.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
The present invention will be described below with reference to the drawings. FIGS. 1 to 3 show a packaging paper box (A) with a lid according to a first embodiment of the present invention. The packaging paper box (A) with a lid is a paper box body (1) made of thin cardboard. And the lid (20) are integrated, and the lid (20) is openable and closable so as to cover the upper edge of the box body (1) with the fold line (52) as a pivot.
[0018]
This will be described in detail based on the unfolded state shown in FIG. 3. The paper box body (1) is connected to the rear side wall (4), the right side wall (3), the front side through the folds (41), (42), and (43). The side wall (2) and the left side wall (5) are connected in series, and a cylinder bonding piece (10) is connected to one side edge of the left side wall (5) via a fold (44). Has been. In addition, bottom wall constituent pieces (8), (7), (6) are inserted into the lower edges of the side walls (4), (3), (2), and (5) via folds (45), (46), (47), and (48). ) (9) are provided in series, and the bottom wall is configured by combining these.
[0019]
On the upper edge of the front side wall (2), a folded overlap piece (11) that is superposed on the inner surface of the front side wall (2) is connected via a fold (50). Small protrusions (11a) and (11a) projecting from the inner surfaces of the corresponding left and right side walls (3) and (5) of the box body are provided at both ends of the folded overlapping piece (11).
[0020]
On the other hand, a semicircular lid locking tongue piece (12) is formed on the upper end of the front side wall (2), with a fold (51) parallel to the folded overlap piece fold (50) as a pivot. One side wall (2) is cut and raised in an unrestrained state. The fold (51) is provided at a lower position in the expanded state than the other fold (49) parallel to the folded-up fold (50), so that the lid locking tongue (12) Is set to protrude outward from the front side wall (2). (13) is an arcuate cut for raising the lid locking tongue (12).
[0021]
The top surface (21) of the lid (20) is connected from the upper edge of the rear side wall (4) of the box body via the fold (52), and the crease (from the three side edges of the top surface (21) ( 53) The front side wall (22), the right side wall (23), and the left side wall (25) are continuously provided via the (56) and (57). In addition, the front side wall (22) is provided with a finger insertion opening (24) in the center, and a folded overlap piece (26) superposed on the inner surface of the front side wall (22) is formed on the lower edge of the fold (54) ( 55). A semicircular cutout portion (27) is provided at the center of the folded overlap piece (26) as an engaging tongue piece engaging portion of the eye that is slightly larger than the closing tongue piece (12). When the lid is closed, the notch (27) is fitted with the lid locking tongue (12), and the tip of the tongue (12) is engaged with the inner edge of the notch (27), The closed state is maintained. A pair of small locking projections (26a) (26a) project downward from the lower edge of the folded overlap piece (26) with the notch (27) interposed therebetween.
[0022]
At the edges of the left and right side walls (25) and (23) of the lid (20), connecting pieces (29) and (28) interposed between the front side wall (22) and the folded piece (26) are folded (59 ) (58), on the other hand, on the upper edge of the connecting piece (29) (28), the locking hole (32) for locking the locking small projection (26a) (26a) Receiving pieces (30) and (31) provided with (33) are arranged in series, and in a predetermined combination state thereof, the locking small protrusions (26a) and (26a) are connected to the locking holes (32) and (33). The lid (20) is assembled in a box shape by being locked to the box.
[0023]
Thus, the lid-wrapped packaging paper box (A) having the above-described configuration can be obtained in an assembled state as shown in FIG. 1 (b) after a predetermined folding operation and assembly operation from the unfolded state. Become.
[0024]
After the articles to be stored are stored in the packaging paper box with lid (A) assembled in this way, the lid body (20) is rotated downward about the fold (52) as the rotation axis, thereby the box body (1). 2, the lid locking tongue (12) is fitted into a semicircular cutout (27) provided inside the lid front side wall (22) as shown in FIG. 2. Become. In this state, if the lid (20) is to be rotated upward, the inner edge of the notch (27) is hooked on the tip of the lid locking tongue (12) and the two are engaged. The lid cannot be opened unless the body (20) is prevented from turning upward and a strong force is applied to destroy the lid locking tongue (12) or the lid front side wall (2). It becomes.
[0025]
However, in such a closed state, the fingers are inserted into the finger insertion opening (24), and the lid locking tongue (12) is pressed to escape from the semicircular cutout (27). When the body (20) is rotated upward, the lid can be opened without difficulty.
[0026]
4 to 6 show a packaging paper box (B) with a lid according to a second embodiment of the present invention, in which the box body (1) and the lid (20) are configured as separate bodies. However, the configurations other than those described below are the same as those of the box body (1) and the lid (20) of the first embodiment, and therefore the same parts are indicated by the same reference numerals.
[0027]
The paper box body (1) of the packaging paper box with lid (B) of the second embodiment is folded back to the front side wall (2) in the same manner as the packaging paper box with lid (A) of the first embodiment (11). And a lid locking tongue piece (12), and a similar folded overlap piece (14) and a lid locking tongue piece (12) are provided on the rear side wall (4). The lid (20) is provided with a semicircular cutout (27) on the front side wall (22) corresponding to the paper box body (1), and a similar semicircle cutout is also provided on the rear side wall (22). A part (27) is provided.
[0028]
Thus, when the lid is closed, the lid locking tongue piece (12) and the semicircular notch (27) are engaged to maintain the closed state as in the first embodiment. Since it is the same, the description is omitted.
[0029]
FIG. 7 shows a packaging paper box (C) with a lid according to a third embodiment of the present invention. The box body (1) and the lid (20) are a packaging paper box with a lid according to the first embodiment. It is formed integrally as in (A), and the same parts are indicated using the same reference numerals.
[0030]
The lid locking tongue (12) provided on the paper box body (1) of the lid-wrapping paper box (C) of the third embodiment is formed in a horizontally long rectangular shape and its pivot shaft. The fold (51) is provided on the extension line of the front side wall (2) of the box body (1), that is, on the extension line of the fold line (49). In addition, a laterally U-shaped cut groove (15) is provided on the periphery of the lid locking tongue (12), and the lid locking tongue (12) rotates around the fold (51). As a moving shaft, the front side wall (2) is freely rotated in an unconstrained state.
[0031]
Thus, when the lid is closed, the lid-engagement tongue piece and the semicircular cutout portion (27) are engaged to maintain the closed state as in the first and second embodiments. Since it is the same as that of a form, the description is abbreviate | omitted.
[0032]
【The invention's effect】
This invention depends on the above,
A folded overlapping piece (11) that is superposed on the inner surface of the side wall (2) from the upper edge of the one side wall (2) of the paper box body (1) via the fold line (50) is continuously provided, while the upper end of the one side wall (2) The lid-fitting tongue piece (12) to be engaged with the engaging tongue piece engaging part (27) of the lid body (20) has a fold parallel to the folded-up overlapping piece fold (50). Since (51) is a pivot shaft provided on the one side wall (2) so as to be pivotable in an unconstrained state, a relatively strong elastic repulsive force is applied to the lid locking tongue (12). , A wrapping paper box with a lid that ensures the engagement between the tongue for locking the lid (12) and the engaging tongue for the latch (27) even after repeated opening and closing, excellent durability A packaging paper box with a lid can be provided.
[0033]
Further, a locking tongue piece pressing finger insertion port (24) is provided at a position corresponding to the lid locking tongue piece (12) of the lid body (20) in the closed state. Therefore, it is possible to engage with the lid locking tongue (12) by simply inserting the finger into the locking tongue pressing finger insertion slot (24) and pressing the lid locking tongue (12). It is possible to easily release the engagement with the stopper tongue engaging portion (27), and provide a packaging paper box with a lid that can be easily opened.
[0034]
Moreover, the lid locking tongue piece (12) is cut and raised in an unconstrained state on the one side wall (2) with the fold (51) parallel to the folded overlap piece fold (50) as a rotation axis. Since it is formed, it is possible to provide a wrapping paper box with a lid having a good appearance appearance that is substantially the same as the surface of the box body.
[0035]
When the lid locking tongue (12) is formed in a semicircular shape and the fold (51) is set to protrude outward from the one side wall (2) In order to cut and raise the lid locking tongue piece (12) that is not constrained by the one side wall (2), it is only necessary to provide a cut, so that it is possible to provide a packaging paper box with a lid that is easy to manufacture.
[0036]
When the locking tongue engaging portion (27) is a cutout portion into which the lid locking tongue (12) is fitted, the lid locking tongue (12) and the locking tongue It is possible to provide a packaging paper box with a lid in which the engagement with the one engagement portion (27) is more reliably performed.
[0037]
The fold (51) of the lid locking tongue (12) is set to be located on the extended line of the one side wall (2), while the lid locking tongue on the one side wall (2). When the groove-shaped notch (15) is provided along the periphery of (12), it is possible to adopt various shapes for the lid locking tongue piece (12), and the package with lid is rich in design. Can provide a paper box.
[Brief description of the drawings]
1A is a perspective view of a packaging paper box with a lid according to a first embodiment of the present invention, and FIG. 1B is a perspective view of the packaging paper box with the lid opened.
2A is a cross-sectional view taken along line II-II in FIG. 1A, and FIG. 2B is a front view of the box body when the lid is closed.
FIG. 3 is a plan view of the same unfolded state.
4A is a perspective view of a packaging paper box with a lid according to a second embodiment of the present invention, and FIG. 4B is a perspective view of the packaging paper box with the lid opened.
5 is a cross-sectional view taken along line IV-IV in FIG.
6A is a plan view of the lid body in a developed state, and FIG. 6B is a plan view of the box body in a developed state.
7 (a) is a perspective view of a packaging paper box with a lid according to a third embodiment of the present invention, and FIG. It is a perspective view.
8A is a perspective view of a conventional packaging paper box with a lid opened, and FIG. 8B is a central longitudinal sectional view of the main part.
[Explanation of symbols]
A, B ... Packaging paper box with
11… Folded polymer pieces
12 ... tongue for locking the lid
15 ... Groove-shaped notch
20 ... lid
24 ... Long piece pressing finger insertion slot for lid locking
27 ... engaging tongue engaging part
50, 51 ... fold
Claims (3)
紙箱本体(1)の前記一側壁(2)上縁から折り返し重合片用折目(50)を介して該側壁内面に重合される折り返し重合片(11)が連設される一方、前記一側壁(2)上端部に、前記折り返し重合片用折目(50)に平行な山折目(51)を回動軸とする蓋体係止用舌片(12)が前記一側壁(2)から切り起こし形成され、箱形態に組み立てられた状態のもとで、前記山折目(51)が当該一側壁(2)よりも外方に突出した位置に設けられ、前記蓋体係止用舌片(12)を切り起こすための切目(13)が前記折り返し重合片用折目(50)に連なると共に、閉蓋状態のもとでの蓋体(20)の前記蓋体係止用舌片(12)との対応位置に蓋体係止用舌片押圧用手指挿入口(24)が設けられてなることを特徴とする蓋付き包装用紙箱。A paper box main body (1) having an upper surface opening and a lid (20) covering the upper surface opening so as to cover the upper edge of the paper box main body (1), and at least one side wall (2) of the paper box main body (1). The lid locking tongue piece (12) provided at the upper end, and the locking tongue engagement member provided at a position corresponding to the lid locking tongue piece (12) inside the lid (20) A lid portion (27), and when the lid is closed, the lid locking tongue piece (12) and the locking tongue piece engaging portion (27) are engaged to maintain the closed lid state. In the packaging paper box made,
A folded overlap piece (11) that is superposed on the inner surface of the side wall (2) of the paper box body (1) from the upper edge through the folded overlap piece fold (50) is continuously provided. (2) the upper part, cut from the folded polymerization piece for fold mountain fold th parallel to (50) the lid locking tongue (the 51) and pivot axis (12) of said one side wall (2) Under the state of being raised and assembled in a box shape, the mountain fold (51) is provided at a position protruding outward from the one side wall (2), and the lid locking tongue ( 12) A cut line (13) for raising and lowering is connected to the folded overlapping piece fold (50), and the lid locking piece (12) of the lid (20) in the closed state ) Is provided with a lid-fitting tongue-finger pressing finger insertion slot (24).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000219311A JP4536881B2 (en) | 2000-07-19 | 2000-07-19 | Packaging paper box with lid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000219311A JP4536881B2 (en) | 2000-07-19 | 2000-07-19 | Packaging paper box with lid |
Publications (2)
Publication Number | Publication Date |
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JP2002029536A JP2002029536A (en) | 2002-01-29 |
JP4536881B2 true JP4536881B2 (en) | 2010-09-01 |
Family
ID=18714115
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Application Number | Title | Priority Date | Filing Date |
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JP2000219311A Expired - Fee Related JP4536881B2 (en) | 2000-07-19 | 2000-07-19 | Packaging paper box with lid |
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JP (1) | JP4536881B2 (en) |
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