JP3621557B2 - Plastic container - Google Patents

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Publication number
JP3621557B2
JP3621557B2 JP12641697A JP12641697A JP3621557B2 JP 3621557 B2 JP3621557 B2 JP 3621557B2 JP 12641697 A JP12641697 A JP 12641697A JP 12641697 A JP12641697 A JP 12641697A JP 3621557 B2 JP3621557 B2 JP 3621557B2
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Japan
Prior art keywords
peripheral wall
lid
wall
closed
container
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JP12641697A
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JPH10305860A (en
Inventor
記利 渡辺
義幸 角田
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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Description

【０００１】
【発明の属する技術分野】
本発明は、容器本体後部に、該容器本体上面を閉塞する蓋体の後部を枢着させた合成樹脂製容器に係る。
【０００２】
【従来の技術】
【発明が解決しようとする課題】
この種容器では、容器本体の周壁上端面又は蓋体下面に板状のパッキングを貼着させ、かつ該パッキングを、蓋体下面又は容器本体の周壁上端面へ圧接させて蓋体を密閉するよう形成することが周知であり、かつこの場合、容器本体の周壁前部と蓋体前部とにそれぞれ付設した係合突条を相互に係合させることで、パッキングを蓋体下面又は容器本体の周壁上端面へ圧接させた状態を保持するよう形成している。
【０００３】
しかしながら、従来容器では、作製時に容器本体或いは蓋体に成形誤差があると、パッキングが容器本体の周壁上端面に圧接する前に上記係合突条が相互に係合して、パッキングを容器本体の周壁上端面へ気密に圧接できなくなることがあった。
【０００４】
本発明は、筒状のパッキングを容器本体の周壁上端部に装着させ、かつ蓋体下面から密閉用筒部を垂設して、閉蓋時にパッキングを密閉用筒部へ両筒部長さ方向で気密に圧接させるよう形成することで、成形誤差を許容して蓋体を確実に密閉できるよう設けると共に、パッキングと、蓋体を開蓋方向へ付勢する弾性体とを一体成形してコストを削減できるよう設けた。
【０００５】
【課題を解決するための手段】
第１の手段として、容器本体の周壁後部に、該周壁上面を閉塞する蓋体の後部を枢着させ、かつ容器本体の周壁前部と蓋体前部に形成した係合手段で閉塞状態を保持するよう形成した容器において、
上記容器本体１の周壁３上部内面から内向きフランジ状壁４を介して内周壁５を、上記周壁３の上部内面との間に間隙をあけてかつ周壁３上端面の上方へ起立すると共に、上記内周壁５の外面に筒状パッキング７を嵌合固着させ、かつ上記蓋体１５の下面から閉塞筒部１９を垂設して、該閉塞筒部の下部内面が、蓋体閉塞時に筒状パッキング７の上部外周面へ気密に圧接可能に形成し、
又上記内向きフランジ状壁４上方の周壁３部分の後部内面に縦溝６を穿設して、該縦溝内に、上記筒状パッキング７の後部外周面下端から支持片９を介して一体に起立する弾性板部１０を嵌合させ、かつ該弾性板部の上端面へ、蓋体１５の後部下面から垂設した押圧板部２０の下端面を圧接させて、上記係合手段の係合を外した際に蓋体１５を開蓋方向へ押上げることが可能に弾性圧縮させた。
【０００６】
第２の手段として、容器本体の周壁後部に、該周壁上面を閉塞する蓋体の後部を枢着させ、かつ容器本体の周壁前部と蓋体前部に形成した係合手段で閉塞状態を保持するよう形成した容器において、
上記容器本体１の周壁３上部内面から内向きフランジ状壁４を介して内周壁５を、周壁３の上部内面との間に間隙をあけて起立すると共に、内向きフランジ状壁４上方の周壁３部分の内面に筒状パッキング７を嵌合固着させ、かつ上記蓋体１５の下面から閉塞筒部１９を垂設して、該閉塞筒部の下部外面が、蓋体閉塞時に筒状パッキング７の上部内周面へ気密に圧接可能に形成し、
又上記内周壁５の後部外周面に縦溝６を穿設し、該縦溝内に、上記筒状パッキング７の後部内周面下端から支持片９を介して一体に起立する弾性板部１０を嵌合させ、かつ該弾性板部の上端面へ、蓋体１５の後部下面から垂設した押圧板部２０の下端面を圧接させて、上記係合手段の係合を外した際に蓋体１５を開蓋方向へ押上げることが可能に弾性圧縮させた。
【０００７】
【発明の実施の形態】
図１から図４が示す第１実施形態を説明すると、本実施形態の容器は、容器本体１と、該容器本体の上面を閉塞する蓋体１５とで形成され、容器本体１は、底壁２周縁から起立した周壁３を有し、該周壁は、上半部を肉薄の小外径部３ａとした第１周壁形成筒３ｂと、その小外径部３ａの外面に下半部を嵌着させた第２周壁形成筒３ｃとで形成され、又その第２周壁形成筒３ｃの上部内面から内向きフランジ状壁４を介して内周壁５を、第２周壁形成筒３ｃの上部内面との間に間隙をあけてかつ第２周壁形成筒３ｃ上端面の上方へ起立し、又上記内向きフランジ状壁４上方の第２周壁形成筒３ｃ部分の後部内面に縦溝６を穿設している。更に、上記内周壁５の外周面には、上半部を肉薄とした筒状パッキング７の内周面を嵌合させ、かつ該筒状パッキングを、図２が示すように内周壁５の外周面に複数周設した小突条８，８によって抜け止めし、又図４が示すように、その筒状パッキング７の後部外周面下端から支持片９， ９を介して弾性板部１０を起立し、該弾性板部を上記縦溝６内へ嵌合させている。又更に、上記第２周壁形成筒３ｃの前部外面上方からは、弾性支持部１１を介して第１フック１２を起立し、かつ該第１フック下端から操作板部１３を垂設している。尚、当該実施形態では、縦溝６を形成する都合上、第２周壁形成筒３ｃの後部を内周壁５より上方へ起立させたが、内向きフランジ状壁４上方の周壁３部分に縦溝６を形成するスペースを確保できるよう形成してあれば、第２周壁形成筒３ｃ後部を内周壁５より上方へ起立させる必要はない。
【０００８】
蓋体１５は、頂壁１６の周縁から垂設した短周壁１７の後部を上記第２周壁形成筒３ｃの後部上方へ枢着させると共に、その短周壁１７の内面を上記第２周壁形成筒３ｃの上部外面に嵌合させ、又上記第１フック１２前方の短周壁部分を切欠いて、該切欠き部の上面壁後縁から垂設した第２フック１８を上記第１フック１２に係合させている。更に、上記頂壁１６の外周部下面からは閉塞筒部１９を垂設し、かつ該閉塞筒部の下部内周面を上記筒状パッキング７の上部外周面に着脱自在に嵌合させて、閉塞筒部１９の下部内面が、蓋体閉塞時に上記筒状パッキング７の上部外周面へ気密に圧接するよう形成し、又更に、既述弾性板部１０上方の頂壁部分から垂設した押圧板部２０の下端面を既述弾性板部１０の上端面へ圧接させて、上記操作板部１３を用いて第１， 第２フック１２， １８の係合を外した際に蓋体を開蓋方向へ押上げることが可能に弾性圧縮させている。
【０００９】
図５が示す第２実施形態については、第１実施形態と相違する点のみを説明すると、内向きフランジ状壁４上方の第２周壁形成筒３ｃ部分の内面に筒状パッキング７の外周面を嵌合させ、かつ該筒状パッキングの上部内周面に閉塞筒部１９の下部外周面を着脱自在に嵌合させて、閉蓋時に閉塞筒部１９の下部外面が筒状パッキング７の上部内周面へ気密に密着するよう形成し、又内向きフランジ状壁４上方の第２周壁形成筒３ｃ部分内面に周設した小突条８，８によって筒状パッキング７を抜け止めし、更に内周壁５の後部外周面に縦溝６を穿設して、該縦溝内へ、筒状パッキング７の後部内周面下端から支持片９を介して起立する弾性板部１０を嵌合させ、かつ該弾性板部上方の蓋体頂壁１６部分の下面から垂設した押圧板部２０の下端面を弾性板部１０の上端面へ圧接させて、第１実施形態と同様に開蓋時に蓋体１５を開蓋方向へ押上げ可能に弾性圧縮させている。
尚、筒状パッキング７および弾性板部１０は、合成ゴム或いは軟質合成樹脂材で支持片９， ９を介して一体成形し、他の部品は適宜合成樹脂材で成形する。
【００１０】
【発明の効果】
本発明は上記構成とするもので、請求項１記載の発明の場合は、容器本体１の周壁３上部内面から内向きフランジ状壁４を介して内周壁５を、周壁３の上部内面との間に間隙をあけてかつ周壁３上端面の上方へ起立し、その内周壁５外面に筒状パッキング７を嵌合固着させ、かつ蓋体１５の下面から閉塞筒部１９を垂設して、該閉塞筒部の下部内面が、蓋体閉塞時に筒状パッキング７の上部外周面へ気密に圧接可能に形成したから、つまり、パッキングおよび該パッキングを密着させる相手方をそれぞれ筒状として筒壁同志を嵌合させたから、それ等筒壁同志の嵌合面の筒方向長さを必要充分な長さに設定することができ、よって、成形誤差により筒状パッキング７， 閉塞筒部１９等が当初の設定より多少短く形成されても、筒状パッキング７の外周面又は内周面を閉塞筒部１９内周面又は外周面へ何ら不都合なく気密に圧接させることができ、よって、成形誤差を許容して蓋体１５を確実かつ容易に密閉することができる。
【００１１】
又内向きフランジ状壁４上方の周壁３部分の後部内面に穿設した縦溝６内に、筒状パッキング７の外周面後部下端から支持片９を介して起立する弾性板部１０を嵌合させ、かつ該弾性板部の上端面へ、蓋体１５の後部下面から垂設した押圧板部２０の下端面を圧接させて、蓋体１５の閉蓋状態を保持する係合手段の係合を外した際に蓋体１５を開蓋方向へ押上げることが可能に弾性圧縮させたから、蓋体１５前部を僅かに押上げてその係合手段の係合を外すと、弾性板部１０が弾性復元して蓋体１５を開蓋方向へ押上げることができ、筒状パッキング７から閉塞筒部１９を容易に抜き取ることができ、かつ筒状パッキング７の外周面後部下端から支持片９，９を介して一体に弾性板部１０を起立したから、蓋体を開蓋方向へ付勢するスプリングを別途形成した場合に比して構成部材数が削減されて廉価となる。
【００１２】
請求項２記載の発明の場合は、容器本体１の周壁３上部内面から内向きフランジ状壁４を介して内周壁５を、周壁３の上部内面との間に間隙をあけて起立すると共に、内向きフランジ状壁４上方の周壁３部分の内面に筒状パッキング７を嵌合固着させ、かつ蓋体１５の下面から閉塞筒部１９を垂設して、該閉塞筒部の下部外面が、蓋体閉塞時に筒状パッキング７の上部内周面へ気密に圧接可能に形成したから、又内周壁５の後部外周面に穿設した縦溝６内に、筒状パッキング７の内周面後部下端から支持片９を介して一体に起立する弾性板部１０を嵌合させ、かつ該弾性板部の上端面へ、蓋体１５の後部下面から垂設した押圧板部２０の下端面を圧接させて、蓋体１５の閉蓋状態を保持する係合手段の係合を外した際に蓋体１５を開蓋方向へ押上げることが可能に弾性圧縮させたから、請求項１の発明と同様の効果を有する。
【図面の簡単な説明】
【図１】本発明容器の第１実施形態を示す縦断面図である。
【図２】同実施形態の要部拡大縦断面図である。
【図３】同実施形態の側面図である。
【図４】弾性板部の拡大斜視図である。
【図５】本発明容器の第２実施形態を示す要部拡大縦断面図である。
【符号の説明】
１…容器本体 ７…筒状パッキング １５…蓋体[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a synthetic resin container in which a rear part of a lid that closes an upper surface of the container body is pivotally attached to a rear part of the container body.
[0002]
[Prior art]
[Problems to be solved by the invention]
In this type of container, a plate-like packing is attached to the upper end surface of the peripheral wall of the container body or the lower surface of the lid, and the packing is pressed against the lower surface of the lid body or the upper end surface of the peripheral wall of the container body to seal the lid. It is well known to form, and in this case, the packing is attached to the lower surface of the lid or the container body by engaging the engagement protrusions respectively attached to the front part of the peripheral wall of the container body and the front part of the lid body. It is formed so as to hold the state of being pressed against the upper end surface of the peripheral wall.
[0003]
However, in the conventional container, if there is a molding error in the container main body or the lid at the time of production, the engaging protrusions are engaged with each other before the packing is pressed against the upper end surface of the peripheral wall of the container main body, and the packing is In some cases, it was impossible to airtightly contact the upper end surface of the peripheral wall.
[0004]
In the present invention, the cylindrical packing is attached to the upper end of the peripheral wall of the container body, and the sealing cylinder is suspended from the lower surface of the lid, and the packing is moved to the sealing cylinder in the length direction of both cylinders when the lid is closed. By forming it so that it is press-contacted in an airtight manner, it is provided so that the lid can be securely sealed while allowing a molding error, and the packing and the elastic body that urges the lid in the direction of opening the lid are integrally formed to reduce the cost. Provided to be able to reduce.
[0005]
[Means for Solving the Problems]
As a first means, the rear part of the peripheral wall of the container main body is pivotally attached to the rear part of the lid that closes the upper surface of the peripheral wall, and the closed state is established by the engaging means formed on the front part of the peripheral wall of the container main body and the front part of the lid. In a container formed to hold,
The inner peripheral wall 5 is erected from the upper inner surface of the peripheral wall 3 of the container body 1 through the inward flange-like wall 4 with a gap between the upper inner surface of the peripheral wall 3 and above the upper end surface of the peripheral wall 3. The cylindrical packing 7 is fitted and fixed to the outer surface of the inner peripheral wall 5, and the closed cylinder portion 19 is suspended from the lower surface of the lid body 15. The lower inner surface of the closed cylinder portion is cylindrical when the lid body is closed. It is formed so as to be airtightly press-contactable to the upper outer peripheral surface of the packing 7,
Further, a vertical groove 6 is formed in the rear inner surface of the peripheral wall 3 portion above the inward flange-like wall 4, and integrated into the vertical groove from the lower end of the rear outer peripheral surface of the cylindrical packing 7 through a support piece 9. And the lower end surface of the pressing plate portion 20 suspended from the rear lower surface of the lid 15 is brought into pressure contact with the upper end surface of the elastic plate portion. When the joint was removed, the cover 15 was elastically compressed so that it could be pushed up in the opening direction.
[0006]
As a second means, the rear portion of the peripheral wall of the container main body is pivotally attached to the rear portion of the lid that closes the upper surface of the peripheral wall, and the closed state is established by the engaging means formed on the front of the peripheral wall of the container main body and the front of the lid. In a container formed to hold,
The inner peripheral wall 5 is erected from the upper inner surface of the peripheral wall 3 of the container body 1 through the inward flange-shaped wall 4 with a gap between the upper inner surface of the peripheral wall 3 and the peripheral wall above the inward flange-shaped wall 4. The cylindrical packing 7 is fitted and fixed to the inner surface of the three portions, and the closed cylindrical portion 19 is suspended from the lower surface of the lid 15 so that the lower outer surface of the closed cylindrical portion is the cylindrical packing 7 when the lid is closed. Formed so as to be airtightly press-contactable to the upper inner peripheral surface of
Further, a vertical groove 6 is formed in the rear outer peripheral surface of the inner peripheral wall 5, and an elastic plate portion 10 that stands up integrally from the lower end of the rear inner peripheral surface of the cylindrical packing 7 through a support piece 9 in the vertical groove. And the lower end surface of the pressing plate portion 20 suspended from the lower surface of the rear portion of the lid body 15 is brought into pressure contact with the upper end surface of the elastic plate portion, and the engagement means is disengaged. The body 15 was elastically compressed so that the body 15 could be pushed upward.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The first embodiment shown in FIGS. 1 to 4 will be described. The container of this embodiment is formed of a container main body 1 and a lid 15 that closes the upper surface of the container main body. 2 A peripheral wall 3 standing up from the peripheral edge, and the peripheral wall is fitted with a first peripheral wall-forming cylinder 3b whose upper half portion is a thin small outer diameter portion 3a, and a lower half portion fitted on the outer surface of the small outer diameter portion 3a. The inner wall 5 is formed from the upper inner surface of the second peripheral wall forming cylinder 3c through the inward flange-like wall 4 and the upper inner surface of the second peripheral wall forming cylinder 3c. A vertical groove 6 is formed in the rear inner surface of the second peripheral wall forming cylinder 3c above the inward flange-like wall 4 with a gap between them and rising above the upper end surface of the second peripheral wall forming cylinder 3c. ing. Furthermore, the outer peripheral surface of the inner peripheral wall 5 is fitted with the inner peripheral surface of the cylindrical packing 7 whose upper half is thin, and the cylindrical packing is connected to the outer periphery of the inner peripheral wall 5 as shown in FIG. The elastic plate portion 10 is erected from the lower end of the outer peripheral surface of the rear portion of the cylindrical packing 7 through the support pieces 9 and 9, as shown in FIG. The elastic plate portion is fitted into the longitudinal groove 6. Still further, from above the front outer surface of the second peripheral wall forming cylinder 3c, the first hook 12 is erected via the elastic support portion 11, and the operation plate portion 13 is suspended from the lower end of the first hook. . In this embodiment, for the purpose of forming the vertical groove 6, the rear portion of the second peripheral wall forming cylinder 3 c is raised upward from the inner peripheral wall 5, but the vertical groove is formed in the peripheral wall 3 portion above the inward flange-like wall 4. If the space for forming 6 can be secured, the rear portion of the second peripheral wall forming tube 3 c does not need to be raised above the inner peripheral wall 5.
[0008]
The lid 15 pivotally attaches the rear part of the short peripheral wall 17 suspended from the periphery of the top wall 16 to the upper rear part of the second peripheral wall forming cylinder 3c, and the inner surface of the short peripheral wall 17 is the second peripheral wall forming cylinder 3c. And the second hook 18 suspended from the rear edge of the upper surface wall of the notch is engaged with the first hook 12. ing. Further, a closed cylinder portion 19 is suspended from the lower surface of the outer peripheral portion of the top wall 16, and the lower inner peripheral surface of the closed cylinder portion is detachably fitted to the upper outer peripheral surface of the cylindrical packing 7, The lower inner surface of the closed cylinder portion 19 is formed so as to be airtightly pressed against the upper outer peripheral surface of the cylindrical packing 7 when the lid body is closed, and further, a pressing suspended from the top wall portion above the elastic plate portion 10 described above The lower end surface of the plate portion 20 is brought into pressure contact with the upper end surface of the elastic plate portion 10 described above, and the lid is opened when the first and second hooks 12 and 18 are disengaged using the operation plate portion 13. It is elastically compressed so that it can be pushed upward.
[0009]
Regarding the second embodiment shown in FIG. 5, only the points different from the first embodiment will be described. The outer peripheral surface of the cylindrical packing 7 is attached to the inner surface of the second peripheral wall forming cylinder 3 c above the inward flange-like wall 4. The lower outer peripheral surface of the closed cylindrical portion 19 is detachably fitted to the upper inner peripheral surface of the cylindrical packing so that the lower outer surface of the closed cylindrical portion 19 is inside the upper portion of the cylindrical packing 7 when the lid is closed. The cylindrical packing 7 is prevented from coming off by small protrusions 8 formed on the inner surface of the second peripheral wall forming cylinder 3c above the inward flange-like wall 4 so as to tightly adhere to the peripheral surface. A vertical groove 6 is formed in the rear outer peripheral surface of the peripheral wall 5, and an elastic plate portion 10 erected from the lower end of the rear inner peripheral surface of the cylindrical packing 7 through the support piece 9 is fitted into the vertical groove, And the lower end surface of the press board part 20 suspended from the lower surface of the lid body top wall 16 part above this elastic board part And it is pressed against the upper end surface of the elastic plate part 10, and is elastically compress the lid 15 push-up capable to lid opening direction when the lid opening as in the first embodiment.
The cylindrical packing 7 and the elastic plate portion 10 are integrally formed of synthetic rubber or soft synthetic resin material via support pieces 9 and 9, and other parts are appropriately formed of synthetic resin material.
[0010]
【The invention's effect】
The present invention is configured as described above. In the case of the invention described in claim 1, the inner peripheral wall 5 is connected to the upper inner surface of the peripheral wall 3 from the upper inner surface of the peripheral wall 3 of the container body 1 through the inward flange-like wall 4. With a gap in between and standing above the upper end surface of the peripheral wall 3, the cylindrical packing 7 is fitted and fixed to the outer surface of the inner peripheral wall 5, and the closed cylindrical portion 19 is suspended from the lower surface of the lid 15, Since the lower inner surface of the closed cylinder portion is formed so as to be airtightly press-contactable to the upper outer peripheral surface of the cylindrical packing 7 when the lid is closed, that is, the packing and the other side to which the packing is brought into close contact with each other are cylindrical. Since they are fitted, the lengths in the cylinder direction of the fitting surfaces of the cylinder walls can be set to a necessary and sufficient length. Cylindrical packing even if formed slightly shorter than the setting 7 can be hermetically pressed against the inner peripheral surface or the outer peripheral surface of the closed cylinder portion 19 without any inconvenience, and thus the lid 15 can be reliably and easily sealed with a molding error. Can do.
[0011]
In addition, an elastic plate portion 10 erected through a support piece 9 from the lower end of the rear portion of the outer peripheral surface of the cylindrical packing 7 is fitted into a longitudinal groove 6 formed in the rear inner surface of the peripheral wall 3 portion above the inward flange-like wall 4. And engaging the engagement means for holding the closed state of the lid 15 by bringing the lower end surface of the pressing plate 20 suspended from the rear lower surface of the lid 15 into pressure contact with the upper end of the elastic plate When the cover body 15 is elastically compressed so that the cover body 15 can be pushed up in the opening direction, the elastic plate section 10 is released by slightly pushing up the front portion of the cover body 15 to disengage the engaging means. Can be elastically restored to push up the lid 15 in the opening direction, the closed cylindrical portion 19 can be easily removed from the cylindrical packing 7, and the support piece 9 can be removed from the lower end of the rear portion of the outer peripheral surface of the cylindrical packing 7. , 9 so that the elastic plate portion 10 is erected integrally, and the spring that urges the lid body in the direction of opening the lid The reduces component count than when separately formed becomes inexpensive.
[0012]
In the case of the invention of claim 2, the inner peripheral wall 5 is erected from the upper inner surface of the peripheral wall 3 of the container body 1 through the inward flange-like wall 4 with a gap between the upper inner surface of the peripheral wall 3 and The cylindrical packing 7 is fitted and fixed to the inner surface of the peripheral wall 3 portion above the inward flange-like wall 4, and the closed cylinder portion 19 is suspended from the lower surface of the lid 15, and the lower outer surface of the closed cylinder portion is Since it is formed to be airtightly press-contactable to the upper inner peripheral surface of the cylindrical packing 7 when the lid is closed, the rear portion of the inner peripheral surface of the cylindrical packing 7 is also inserted into the longitudinal groove 6 formed in the rear outer peripheral surface of the inner peripheral wall 5. The elastic plate portion 10 that stands integrally from the lower end via the support piece 9 is fitted, and the lower end surface of the pressing plate portion 20 that is suspended from the lower surface of the rear portion of the lid 15 is pressed against the upper end surface of the elastic plate portion. When the engagement means for holding the closed state of the lid 15 is disengaged, the lid 15 is moved in the direction of opening. Because it can then be elastically compressed to increase, the same effects as the invention of claim 1.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing a first embodiment of a container of the present invention.
FIG. 2 is an enlarged vertical sectional view of a main part of the same embodiment.
FIG. 3 is a side view of the same embodiment.
FIG. 4 is an enlarged perspective view of an elastic plate portion.
FIG. 5 is an enlarged longitudinal sectional view showing a main part of a second embodiment of the container of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Container main body 7 ... Cylindrical packing 15 ... Cover

Claims (2)

容器本体の周壁後部に、該周壁上面を閉塞する蓋体の後部を枢着させ、かつ容器本体の周壁前部と蓋体前部に形成した係合手段で閉塞状態を保持するよう形成した容器において、
上記容器本体１の周壁３上部内面から内向きフランジ状壁４を介して内周壁５を、上記周壁３の上部内面との間に間隙をあけてかつ周壁３上端面の上方へ起立すると共に、上記内周壁５の外面に筒状パッキング７を嵌合固着させ、かつ上記蓋体１５の下面から閉塞筒部１９を垂設して、該閉塞筒部の下部内面が、蓋体閉塞時に筒状パッキング７の上部外周面へ気密に圧接可能に形成し、
又上記内向きフランジ状壁４上方の周壁３部分の後部内面に縦溝６を穿設して、該縦溝内に、上記筒状パッキング７の後部外周面下端から支持片９を介して一体に起立する弾性板部１０を嵌合させ、かつ該弾性板部の上端面へ、蓋体１５の後部下面から垂設した押圧板部２０の下端面を圧接させて、上記係合手段の係合を外した際に蓋体１５を開蓋方向へ押上げることが可能に弾性圧縮させたことを特徴とする合成樹脂製容器。A container formed so that the rear part of the lid for closing the upper surface of the peripheral wall is pivotally attached to the rear part of the peripheral wall of the container body, and the closed state is maintained by the engaging means formed on the front part of the peripheral wall of the container main body and the front part of the lid In
The inner peripheral wall 5 is erected from the upper inner surface of the peripheral wall 3 of the container body 1 through the inward flange-like wall 4 with a gap between the upper inner surface of the peripheral wall 3 and above the upper end surface of the peripheral wall 3. The cylindrical packing 7 is fitted and fixed to the outer surface of the inner peripheral wall 5, and the closed cylinder portion 19 is suspended from the lower surface of the lid body 15. The lower inner surface of the closed cylinder portion is cylindrical when the lid body is closed. It is formed so as to be airtightly press-contactable to the upper outer peripheral surface of the packing 7,
Further, a vertical groove 6 is formed in the rear inner surface of the peripheral wall 3 portion above the inward flange-like wall 4, and integrated into the vertical groove from the lower end of the rear outer peripheral surface of the cylindrical packing 7 through a support piece 9. And the lower end surface of the pressing plate portion 20 suspended from the rear lower surface of the lid 15 is brought into pressure contact with the upper end surface of the elastic plate portion. A synthetic resin container characterized by being elastically compressed so that the lid 15 can be pushed up in the opening direction when the joint is removed. 容器本体の周壁後部に、該周壁上面を閉塞する蓋体の後部を枢着させ、かつ容器本体の周壁前部と蓋体前部に形成した係合手段で閉塞状態を保持するよう形成した容器において、
上記容器本体１の周壁３上部内面から内向きフランジ状壁４を介して内周壁５を、周壁３の上部内面との間に間隙をあけて起立すると共に、内向きフランジ状壁４上方の周壁３部分の内面に筒状パッキング７を嵌合固着させ、かつ上記蓋体１５の下面から閉塞筒部１９を垂設して、該閉塞筒部の下部外面が、蓋体閉塞時に筒状パッキング７の上部内周面へ気密に圧接可能に形成し、
又上記内周壁５の後部外周面に縦溝６を穿設し、該縦溝内に、上記筒状パッキング７の後部内周面下端から支持片９を介して一体に起立する弾性板部１０を嵌合させ、かつ該弾性板部の上端面へ、蓋体１５の後部下面から垂設した押圧板部２０の下端面を圧接させて、上記係合手段の係合を外した際に蓋体１５を開蓋方向へ押上げることが可能に弾性圧縮させたことを特徴とする合成樹脂製容器。A container formed so that the rear part of the lid for closing the upper surface of the peripheral wall is pivotally attached to the rear part of the peripheral wall of the container body, and the closed state is maintained by the engaging means formed on the front part of the peripheral wall of the container main body and the front part of the lid In
The inner peripheral wall 5 is erected from the upper inner surface of the peripheral wall 3 of the container body 1 through the inward flange-shaped wall 4 with a gap between the upper inner surface of the peripheral wall 3 and the peripheral wall above the inward flange-shaped wall 4. The cylindrical packing 7 is fitted and fixed to the inner surface of the three portions, and the closed cylindrical portion 19 is suspended from the lower surface of the lid 15 so that the lower outer surface of the closed cylindrical portion is the cylindrical packing 7 when the lid is closed. Formed so as to be airtightly press-contactable to the upper inner peripheral surface of
Further, a vertical groove 6 is formed in the rear outer peripheral surface of the inner peripheral wall 5, and an elastic plate portion 10 that stands up integrally from the lower end of the rear inner peripheral surface of the cylindrical packing 7 through a support piece 9 in the vertical groove. And the lower end surface of the pressing plate portion 20 suspended from the lower surface of the rear portion of the lid body 15 is brought into pressure contact with the upper end surface of the elastic plate portion, and the engagement means is disengaged. A synthetic resin container characterized by being elastically compressed so that the body 15 can be pushed up in the opening direction.
JP12641697A 1997-04-28 1997-04-28 Plastic container Expired - Fee Related JP3621557B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12641697A JP3621557B2 (en) 1997-04-28 1997-04-28 Plastic container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12641697A JP3621557B2 (en) 1997-04-28 1997-04-28 Plastic container

Publications (2)

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JPH10305860A JPH10305860A (en) 1998-11-17
JP3621557B2 true JP3621557B2 (en) 2005-02-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016210494A (en) * 2015-05-13 2016-12-15 タケヤ化学工業株式会社 Storage container

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007314233A (en) * 2006-05-29 2007-12-06 Yoshino Kogyosho Co Ltd Highly airtight container with lid
JP6220802B2 (en) * 2015-02-25 2017-10-25 タケヤ化学工業株式会社 Storage container
JP7293708B2 (en) * 2019-02-18 2023-06-20 凸版印刷株式会社 Lid and packaging container using the same
JP7313248B2 (en) * 2019-09-30 2023-07-24 株式会社吉野工業所 dropper container

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016210494A (en) * 2015-05-13 2016-12-15 タケヤ化学工業株式会社 Storage container

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