JP5600418B2 - Plastic container lid - Google Patents
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- JP5600418B2 JP5600418B2 JP2009269217A JP2009269217A JP5600418B2 JP 5600418 B2 JP5600418 B2 JP 5600418B2 JP 2009269217 A JP2009269217 A JP 2009269217A JP 2009269217 A JP2009269217 A JP 2009269217A JP 5600418 B2 JP5600418 B2 JP 5600418B2
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Description
本発明は、合成樹脂製容器蓋、更に詳しくは円形天面壁及びこの天面壁から垂下する円筒状スカート壁を有する本体と、周方向に間隔をおいて配設された複数個の破断可能橋絡部を介して本体の該スカート壁に接続された円筒状タンパーエビデント裾部とを備え、スカート壁の外周面には、その周方向全周に渡って且つ少なくともその軸線方向の大部分に渡って、軸線方向に延びる多数の突条部と隣接する突条間に位置する多数の非突条部とから構成されたナールが配設されている合成樹脂製容器蓋に関する。 The present invention relates to a synthetic resin container lid, more specifically, a main body having a circular top wall and a cylindrical skirt wall depending from the top wall, and a plurality of breakable bridges arranged at intervals in the circumferential direction. A cylindrical tamper-evidence hem connected to the skirt wall of the main body via a portion, and the outer peripheral surface of the skirt wall extends over the entire circumference in the circumferential direction and at least over most of the axial direction. In addition, the present invention relates to a synthetic resin container lid in which a knurl composed of a number of ridges extending in the axial direction and a number of non-ridges positioned between adjacent ridges is disposed.
周知の如く、適宜の合成樹脂或いはガラスから形成された飲料用容器のための容器蓋として、円形天面壁及びこの天面壁から垂下する円筒状スカートを有する本体と、周方向に間隔をおいて配設された複数個の破断可能橋絡部を介して本体のスカート壁に接続された円筒状タンパーエビデント裾部とを備えた合成樹脂製容器蓋が広く実用に供されている。スカート壁の外周面には、その周方向全周に渡って且つ少なくともその軸線方向の大部分に渡って、軸線方向に延びる多数の突条部と隣接する突条間に位置する多数の非突条部とから構成されたナールが配設されている。 As is well known, as a container lid for a beverage container made of a suitable synthetic resin or glass, it is arranged at a circumferential interval with a main body having a circular top wall and a cylindrical skirt hanging from the top wall. Synthetic resin container lids having a cylindrical tamper evidence hem connected to the skirt wall of the main body through a plurality of breakable bridging portions provided are widely put into practical use. On the outer peripheral surface of the skirt wall, a large number of non-protrusions located between adjacent ridges and a number of ridges extending in the axial direction over the entire circumference in the circumferential direction and at least over most of the axial direction. A knurl composed of strips is arranged.
上述した形態の容器蓋においては、一般に、その天面壁の上面に所要印刷（例えば商品名及び販売会社名）が施されると共に、そのタンパーエビデント裾部の外周面にも所要印刷（例えば容器内容物の賞味期限、充填日及び充填場所を示す数字及び文字）が印刷される。印刷はインクジェットプリンターの如き適宜の印刷機によって遂行される。然るに、例えば、周方向特定領域において、本体のスカート壁の下端縁が上方に変位されると共にタンパーエビデント裾部の上端縁が下方に変位され、かかる特定領域にはタンパーエビデント裾部に対して本体が上方に移動せしめられると鉛直線に対する傾斜角度が漸次低減せしめられる傾動部を含む非破段接続片が配設されている形態の容器蓋においては、タンパーエビデント裾部の外周面に印刷を施すためには印刷機に対して容器蓋の所要角度領域、即ち上記特定領域以外の領域、を所要とおりに位置付けることが必要であり、実際上は不可能ではないにしても著しく困難である。タンパーエビデント裾部の外周面に代えて、本体のスカート壁の外周面に印刷せんとすると、スカート壁の外周面に配設されているナールの存在に起因して印刷が著しく不鮮明になってしまう。 In the container lid of the above-described form, generally, required printing (for example, a product name and a sales company name) is performed on the top surface of the top wall, and required printing (for example, a container) is also performed on the outer peripheral surface of the tamper evidence skirt. The expiration date, the filling date, and the numbers and characters indicating the filling location) of the contents are printed. Printing is performed by an appropriate printing machine such as an ink jet printer. However, for example, in the specific region in the circumferential direction, the lower end edge of the skirt wall of the main body is displaced upward and the upper end edge of the tamper evidence skirt is displaced downward. In the case of a container lid in which a non-breaking connection piece including a tilting portion whose tilt angle with respect to the vertical line is gradually reduced when the main body is moved upward, the outer surface of the tamper evidence hem portion In order to perform printing, it is necessary to position the required angle region of the container lid with respect to the printing press, that is, the region other than the specific region as required, which is extremely difficult if not impossible in practice. is there. If you try to print on the outer peripheral surface of the skirt wall instead of the outer peripheral surface of the tamper evidence skirt, the printing will be very blurred due to the presence of the knurls arranged on the outer peripheral surface of the skirt wall. End up.
下記特許文献１には、本体のスカート壁の外周面に充分に鮮明な印刷を施すことを可能にするために、スカート壁の軸線方向一部、例えば軸線方向上部、中間部又は下部においては周方向全体に渡ってナールの配設を省略することが開示されている。 In Patent Document 1 below, in order to enable sufficiently clear printing on the outer peripheral surface of the skirt wall of the main body, a part of the skirt wall in the axial direction, for example, the upper part in the axial direction, the middle part, or the lower part is surrounded. It is disclosed that the arrangement of the knurl is omitted throughout the direction.
而して、上記特許文献１に開示されているとおりスカート壁の軸線方向の一部においてナールの配設を省略すると、本発明者等の経験によれば、所謂グリップ性（容器蓋を回転するために消費者がスカート壁の外周面に指を係合せしめて容器蓋を把持した際の把持特性）が著しく劣化してしまう。スカート壁の軸線方向上部においてナールの配設を省略した場合には、容器の口頸部に容器蓋を自動的に装着するための装着装置において、容器蓋保持チャックによる容器蓋の保持が不充分になってチャックに対して容器蓋が相対的に回転してしまう事態が発生し、容器蓋の自動装着操作が不可能になる。 Thus, if the arrangement of the knurl is omitted in a part of the skirt wall in the axial direction as disclosed in the above-mentioned Patent Document 1, according to the experience of the present inventors, so-called grip property (the container lid is rotated). For this reason, the gripping characteristic when the consumer grips the container lid with the finger engaged with the outer peripheral surface of the skirt wall is significantly deteriorated. When the arrangement of the knurl is omitted at the upper part of the skirt wall in the axial direction, the container lid is not sufficiently held by the container lid holding chuck in the mounting device for automatically mounting the container lid on the mouth neck of the container. As a result, the container lid rotates relative to the chuck, making it impossible to automatically mount the container lid.
本発明は上記事実に鑑みてなされたものであり、その主たる技術的課題は、容器蓋のグリップ性を著しく劣化せしめることなく且つ容器蓋の自動装着操作を不可能にせしめることなく、スカート壁の外周面に所要印刷を施すことができる、新規且つ改良された合成樹脂製容器蓋を提供することである。 The present invention has been made in view of the above-mentioned facts, and the main technical problem thereof is that the skirt wall is not degraded without significantly deteriorating the grip performance of the container lid and without making the container lid automatic mounting operation impossible. To provide a new and improved synthetic resin container lid capable of performing required printing on the outer peripheral surface.
本発明者等は、鋭意検討及び実験の結果、ナールにおける突条部と非突条部との半径方向段差を比較的小さくすれば、段差に起因する印刷の劣化を充分に回避することができること、そしてまたスカート壁の外周面における軸線方向上部ではなくて下部においてナールの突条部と非突条部との半径方向段差を比較的小さくしても、容器蓋の自動装着操作が毀損されることはなく且つ容器蓋のグリップ性の劣化を充分に回避乃至抑制することができることを見出し、スカート壁の外周面に配設されているナールの軸線方向下部における突条部と非突条部との平均半径方向段差寸法を、ナールの軸線方向上部における突条部と非突条部との平均半径方向段差寸法よりも小さく設定することによって、上記主たる技術的課題を達成することができることを見出した。 As a result of diligent studies and experiments, the inventors of the present invention can sufficiently avoid the deterioration of printing due to the step if the radial step between the protrusion and the non-protrusion in the knurl is made relatively small. In addition, even if the radial step between the ridges of the knurls and the non-ridges is relatively small at the lower part of the outer peripheral surface of the skirt wall, rather than at the upper part in the axial direction, the automatic mounting operation of the container lid is damaged. And it is found that the deterioration of the grip property of the container lid can be sufficiently avoided or suppressed, and the protrusions and non-protrusions at the lower part in the axial direction of the knurl arranged on the outer peripheral surface of the skirt wall; The above-mentioned main technical problem can be achieved by setting the average radial step size of the lower than the average radial step size of the projecting portion and the non-projecting portion in the axial upper portion of the knurl. I found the door.
即ち、本発明によれば、円形天面壁及び該天面壁から垂下する円筒状スカート壁を有する本体と、周方向に間隔をおいて配設された複数個の破断可能橋絡部を介して該本体の該スカート壁に接続された円筒状タンパーエビデント裾部とを備え、該スカート壁の外周面には、その周方向全周に渡って且つ少なくともその軸線方向の大部分に渡って、軸線方向に延びる多数の突条部と隣接する突条部間に位置する多数の非突条部とから構成されたナールが配設されている合成樹脂製容器蓋において、
該本体の該スカート壁には下方に突出する突出片が配設されており、該突出片の周方向両側には、該本体の該スカート壁と該タンパーエビデント裾部とを接続する非破断接続片が配設されており、該非破断接続片の一方は、下方に向かって傾斜して或いは実質上水平に周方向片側に延びる第一の傾動部と該第一の傾動部に続いて下方に向かって傾斜して或いは実質上水平に周方向他側に延びる第二の傾動部を有し、該非破断接続片の他方は、下方に向かって傾斜して或いは実質上水平に周方向他側に延びる第一の傾動部と該第一の傾動部に続いて下方に向かって傾斜して或いは実質上水平に周方向片側に延びる第二の傾動部を有し、
該ナールの軸線方向下部における該突条部と該非突条部との平均半径方向段差寸法は、該ナールの軸線方向上部における該突条部と該非突条部との平均半径方向段差寸法よりも小さく設定されており、該ナールの軸線方向下部には印刷が施されている、ことを特徴とする合成樹脂製容器蓋が提供される。
That is, according to the present invention, a main body having a circular top wall and a cylindrical skirt wall depending from the top wall, and a plurality of breakable bridging portions arranged at intervals in the circumferential direction. A cylindrical tamper-evidence hem connected to the skirt wall of the main body, the outer peripheral surface of the skirt wall having an axial line over the entire circumference in the circumferential direction and at least over most of the axial direction. In a synthetic resin container lid in which a knurl composed of a number of ridges extending in the direction and a number of non-ridges located between adjacent ridges is disposed,
Protruding pieces projecting downward are disposed on the skirt wall of the main body, and the skirt wall of the main body and the tamper evidence hem are connected to each other on both sides in the circumferential direction of the projecting piece. A connecting piece is disposed, and one of the non-breaking connecting pieces is inclined downward or substantially horizontally and extends to one side in the circumferential direction, and the first inclined part extends downward from the first inclined part. A second tilting portion extending toward the other side in the circumferential direction or inclined substantially horizontally, and the other of the non-breaking connecting pieces is inclined toward the lower side or substantially horizontally in the other direction in the circumferential direction. A first tilting portion extending to the first tilting portion, and a second tilting portion extending to one side in the circumferential direction that is inclined downward or substantially horizontally following the first tilting portion,
The average radial step size between the ridge portion and the non-ridge portion in the lower axial direction of the knurl is larger than the average radial step size between the ridge portion and the non-ridge portion in the upper axial direction of the nar. There is provided a synthetic resin container lid which is set small and is printed on the lower part in the axial direction of the knurl.
好適には、該ナールの軸線方向上部における該突条部と該非突条部との半径方向段差は軸線方向全体に渡って一定であり、該ナールの軸線方向下部における該突条部と該非突条部との半径方向段差は該ナールの軸線方向上部における該突条部と該非突条部との半径方向段差と同一の値から零まで軸線方向下方に向かって漸次低減せしめられている。該ナールの軸線方向下部における該突条部と該非突条部との半径方向段差は０．２８乃至０．４０ｍｍから零まで軸線方向下方に向かって漸次低減せしめられているのが好ましい。該ナールの軸線方向上部における該突条部と該非突条部との半径方向段差は軸線方向全体に渡って一定に設定し、該ナールの軸線方向下部における該突条部と該非突条部との半径方向段差も軸線方向全体に渡って設定することもできる。 Preferably, the radial step between the ridge and the non-ridge in the axial upper portion of the nar is constant over the entire axial direction, and the ridge and the non-projection in the axial lower portion of the nar. The radial step with the ridge is gradually reduced from the same value as the radial step between the ridge and the non-ridge in the axial upper portion of the knall to zero in the axial direction. It is preferable that the radial step between the protruding portion and the non- protruding portion in the lower axial direction of the knurl is gradually reduced from 0.28 to 0.40 mm to zero in the axial direction. The radial step between the ridge and the non-ridge in the upper axial direction of the knurl is set constant over the entire axial direction, and the ridge and the non-ridge in the lower axial direction of the nar The radial step can also be set over the entire axial direction .
本発明の合成樹脂製容器蓋によれば、容器蓋のグリップ性を著しく劣化せしめることなく且つ容器蓋の自動装着操作を不可能にせしめることなく、スカート壁の外周面に許容される鮮明度を有する印刷を施すことができる。 According to the synthetic resin container lid of the present invention, the sharpness allowed on the outer peripheral surface of the skirt wall can be obtained without significantly deteriorating the grip performance of the container lid and without making the automatic mounting operation of the container lid impossible. Printing can be performed.
以下、本発明に従って構成された合成樹脂製容器蓋の好適実施形態を図示している添付図面を参照して、更に詳細に説明する。 Hereinafter, a preferred embodiment of a synthetic resin container lid constructed according to the present invention will be described in more detail with reference to the accompanying drawings.
本発明に従って構成された合成樹脂製容器蓋の好適実施形態を図示している図１及び図２を参照して説明すると、ポリエチレン又はポリプロピレンの如き適宜の合成樹脂から射出成形又は圧縮成形によって好都合に一体成形することができる、全体を番号２で示す容器蓋は、本体４とタンパーエビデント裾部６とを含んでいる。本体４は円形天面壁８とこの天面壁８の周縁から垂下する円筒形状のスカート壁１０とを有する。天面壁８の上面中央部には射出成形の際に突起が生成されるのを回避するための円形凹部１２が形成されている。天面壁８の内面には２条のシール突条、即ち内側環状突条１４及び外側環状突条１６が形成されている。 Referring to FIGS. 1 and 2, which illustrate a preferred embodiment of a synthetic resin container lid constructed in accordance with the present invention, it can be conveniently produced by injection molding or compression molding from a suitable synthetic resin such as polyethylene or polypropylene. A container lid, generally designated 2, that can be integrally molded, includes a body 4 and a tamper evidence skirt 6. The main body 4 has a circular top wall 8 and a cylindrical skirt wall 10 depending from the periphery of the top wall 8. A circular recess 12 is formed at the center of the top surface of the top wall 8 to avoid the formation of protrusions during injection molding. Two seal ridges, that is, an inner annular ridge 14 and an outer annular ridge 16 are formed on the inner surface of the top wall 8.
図１及び図２を参照して説明を続けると、図示の容器蓋２においては、本体４の天面壁８の上面とスカート壁１０の外周面は断面図において円弧状の境界面１１を介して接続されている。そして、スカート壁１０の外周面の主部１３は実質上鉛直に垂下せしめられており、スカート壁１０の下端部１５は軸線方向下方に向かって半径方向外方に傾斜して延び、次いで実質上鉛直に延びている。スカート壁１０の外周面における上記主部１３には、周方向に間隔をおいて軸線方向に延びる突条部１７とかかる突条部１７間に位置する非突条部１９とから構成されたナール１８が形成されている。突条部１７の横断面形状は略二等辺三角形状である。所望ならば突条部１７の横断面形状を台形或いは半円形状等の他の適宜の形状にせしめることもできる。而して、本発明に従って構成された合成樹脂製容器蓋２においては、ナール１８の軸線方向下部１８Ｂにおける突条部１７と非突条部１９との平均半径方向段差はナール１８の軸線方向上部１８Ａにおける突条部１７と非突条部１９との平均半径方向段差よりも小さく設定されていることが重要である。図１及び図２に図示する実施形態においては、ナール１８の軸線方向上部１８Ａにおいては突条部１７と非突条部１９との半径方向段差Ｘ１は軸線方向全体に渡って実質上同一であるが、ナール１８の軸線方向下部１８Ｂにおいては突条部１７と非突条部１９との半径方向段差Ｘ２は上記半径方向段差Ｘ１から零まで下方に向かって漸次低減せしめられている。更に詳述すると、図示の実施形態においては、突条部１７の突出先端縁はナール１８の軸線方向全体に渡って実質上鉛直に延びているが、非突条部１９の外周面はナール１８の軸線方向上部１８Ａにおいては実質上鉛直に延びているがナール１８の軸線方向下部１８Ｂにおいては下方に向かって半径方向外方に傾斜して延びており、ナール１８の下端においては突条部１７の先端縁に合致せしめられている。ナール１８の軸線方向上端部１８Ａにおける突条部１７と非突条部１９との半径方向段差Ｘ１は０．２８乃至０．４０ｍｍであるのが好適である。また、ナール１８の軸線方向下部１８Ｂの軸線方向寸法Ｌは２．００乃至６．００ｍｍであるのが好適である。 1 and FIG. 2, in the illustrated container lid 2, the upper surface of the top wall 8 of the main body 4 and the outer peripheral surface of the skirt wall 10 are arranged via an arcuate boundary surface 11 in the sectional view. It is connected. The main portion 13 of the outer peripheral surface of the skirt wall 10 is suspended substantially vertically, and the lower end portion 15 of the skirt wall 10 extends obliquely outward in the radial direction downward in the axial direction, and then substantially extends. It extends vertically. The aforementioned main portion 13 of the outer peripheral surface of the skirt wall 10, constructed from a non-protruding portion 19 for location between ridges 17 according the ridge 17 extending in the axial direction at intervals in the circumferential direction knurl 18 is formed. The cross-sectional shape of the ridge portion 17 is a substantially isosceles triangle shape. If desired, the cross-sectional shape of the ridge portion 17 can be changed to other appropriate shapes such as a trapezoidal shape or a semicircular shape. Thus, in the synthetic resin container lid 2 configured in accordance with the present invention, the average radial step between the protrusion 17 and the non-protrusion 19 in the axial lower portion 18B of the knur 18 is the axial upper portion of the knur 18. It is important that it is set to be smaller than the average radial step between the protrusion 17 and the non-protrusion 19 in 18A. In the embodiment shown in FIGS. 1 and 2, the radial step X1 between the protrusion 17 and the non-protrusion 19 in the axial upper portion 18A of the knur 18 is substantially the same in the entire axial direction. However, in the axial lower portion 18B of the knurl 18, the radial step X2 between the ridge 17 and the non-ridge 19 is gradually reduced downward from the radial step X1 to zero. To be more specific, in the illustrated embodiment, although the projecting distal edge of the butt strip portion 17 extends substantially vertically over the entire axial knurls 18, the outer peripheral surface of the non-collision strip portion 19 knurl 18 in the axial direction the upper 18A in the axial direction lower part 18B of but extends substantially vertically knurls 18 extends inclined radially outward toward the lower, butt strip portion 17 at the lower end of the knurls 18 It is made to mate with the tip edge. Radial step X1 of the collision strip portion 17 and the Hi突ridges 19 in the axial direction upper end portion 18A of the knurl 18 is preferably in the range of 0.28 to 0.40 mm. The axial dimension L of the lower part 18B in the axial direction of the knurl 18 is preferably 2.00 to 6.00 mm.
図３はナール１８の変形実施形態を図示している。図３に図示する変形実施形態においては、非突条部１９の外周面にはナール１８の軸線方向上部１８Ａと軸線方向下部１８Ｂとの境界において段部が生成されており、軸線方向上部において非突条部１９の外周面が実質上鉛直に延びていると共にナール１８の軸線方向下部においても非突条部１９の外周が実質上鉛直に延びている。従って、ナール１８の軸線方向下部１８Ｂにおいては突条部１７と非突条部１９との半径方向段差Ｘ２は一定であり、かかる半径方向段差Ｘ２はナール１８の軸線方向上部における突条部１７と非突条部１９との半径方向段差Ｘ１よりも小さい。ナール１８の軸線方向下部１８Ｂにおける突条部１７と非突条部１９との半径方向段差Ｘ２は０．１４乃至０．１６ｍｍであるのが好適である。 FIG. 3 illustrates a modified embodiment of the knurl 18. In a variant embodiment illustrated in Figure 3, the outer peripheral surface of the non-collision-convex portions 19 and stepped portion is generated at the boundary between the axially upper 18A axially lower 18B knurls 18, non in the axial direction upper the outer peripheral surface of the butt strip portion 19 is the outer periphery of also non-impact ridges 19 extending vertically substantially in the axial direction lower part of the knurls 18 with extends substantially vertically. Therefore, the radial step X2 of the collision strip portion 17 and the Hi突Article 19 in the axial direction lower part 18B of the knurl 18 is constant, such radial step X2 is a butt strip portion 17 in the axial direction upper part of the knurls 18 smaller than the radial step X1 of the non-collision strip portion 19. Radial step X2 is 0 the collision strip portion 17 and the Hi突ridges 19 in the axial direction lower part 18B of the knurls 18. It is preferably 14 to 0.16 mm.
図１及び図２を参照して説明を続けると、タンパーエビデント裾部６は全体として円筒形状であり、周方向に間隔をおいて配設された複数個の破断可能橋絡部２６（そのうちの１個を図２に図示している）を介して本体４のスカート壁１０に接続させている。破断可能橋絡部２６は特開２００７−１９１２０６号公報に開示されている破断可能橋絡部と実質上同一でよく、上端部はスカート壁１０の内周面下端部に接続され下端部はタンパーエビデント裾部６の内周面上端部に接続されている。タンパーエビデント裾部６の内周面には係止手段３４が配設されている。図示の実施形態における係止手段３４は、周方向に間隔をおいて配設された複数個の係止片（そのうちの１個を図２に図示している）から構成されており、係止片の各々はタンパーエビデント裾部６の内周面から半径方向内方に傾斜して上方に延出せしめられている。 1 and 2, the tamper evidence skirt 6 has a cylindrical shape as a whole, and includes a plurality of breakable bridging portions 26 (of which, 1 is connected to the skirt wall 10 of the main body 4 via the one shown in FIG. The breakable bridge portion 26 may be substantially the same as the breakable bridge portion disclosed in Japanese Patent Application Laid-Open No. 2007-191206, the upper end portion is connected to the lower end portion of the inner peripheral surface of the skirt wall 10, and the lower end portion is a tamper. It is connected to the upper end of the inner peripheral surface of the evidence skirt 6. Locking means 34 is disposed on the inner peripheral surface of the tamper evidence skirt 6. The locking means 34 in the illustrated embodiment is composed of a plurality of locking pieces (one of which is shown in FIG. 2) arranged at intervals in the circumferential direction. Each of the pieces is inclined inward in the radial direction from the inner peripheral surface of the tamper evidence skirt 6 and extended upward.
図１及び図２において番号４２で示す領域において、本体４のスカート壁１０の下端縁は他の領域の下端縁よりも上方に変位せしめられており、またタンパーエビデント裾部６の上端縁は他の領域の上端縁よりも下方に変位せしめられ、そして更に領域４２の中央部においてはタンパーエビデント裾部６の上端縁は更に幾分下方に変位せしめられており、スカート壁１０とタンパーエビデント裾部６との間には正面図において略横長矩形状の開口４４が生成されている。開口４４の周方向中央部において、スカート壁１０には下方に突出する略矩形状の突出片４６が形成されている。図４を参照することによって明確に理解される如く、突出片４６は実質上垂直に垂下し、次いで半径方向外方に若干変位した後に実質上鉛直に垂下しており、その外面には段部４７が形成されている。 In the region indicated at 42 in FIGS. 1 and 2, the lower edge of the skirt wall 10 of the body 4 has been allowed displaced upward from the lower edge of the other areas, also the upper edge of the tamper evident bottom portion 6 The upper edge of the tamper evidence skirt 6 is further displaced downward in the center of the region 42, and the skirt wall 10 and the tamper shrimp are further displaced below the upper edge of the other region. Between the dent skirt 6, a substantially horizontally long rectangular opening 44 is generated in the front view. A substantially rectangular protruding piece 46 protruding downward is formed on the skirt wall 10 at the circumferential center of the opening 44. As clearly understood by referring to FIG. 4, the projecting piece 46 hangs substantially vertically and then hangs substantially vertically after being slightly displaced radially outward, and has a stepped portion on its outer surface. 47 is formed.
図１及び図２に明確に図示するとおり、上記開口４４内には、更に、突出片４６の両側に位置する非破断接続片５０ａ及び５０ｂが配設されている。図示の実施形態における非破断接続片５０ａは、スカート壁１０の下端縁に接続された上端部５２ａ、この上端部５２ａに続いて下方に向かって周方向片側（図１及び図２において右側）に実質上水平に延びる第一の傾動部５４ａ、第一の傾動部５４ａの延出端部から若干下方に延びる中間部５６ａ、中間部５６ａに続いて下方に向かった周方向他側（図１及び図２において左側）に実質上水平に第二の傾動部５８ａ及び第二の傾動部５８ａの延出端部から若干下方に延びてタンパーエビデント裾部６に接続されている下端部６０ａから構成されている。非破断接続片５０ａにおける下端部６０ａは薄肉であること、換言すれば他の部分、即ち上端部５２ａ、第一の傾動部５４ａ、中間部５６ａ及び第二の傾動部５８ａ、と比べて肉厚が低減せしめられている。非破断接続片５０ｂは非破断接続片５０ａと線対称形状であり、スカート壁１０の下端縁に接続された上端部５２ｂ、この上端部５２ｂに続いて下方に向かって周方向他側（図１及び図２において左側）に実質上水平に延びる第一の傾動部５４ｂ、第一の傾動部５４ｂの延出端部から若干下方に延びる中間部５６ｂ、中間部５６ｂに続いて下方に向かった周方向片側（図１及び図２において右側）に実質上水平に延びる第二の傾動部５８ｂ及び第二の傾動部５８ｂの延出端部から若干下方に延びてタンパーエビデント裾部６に接続されている下端部６０ｂから構成されている。非破断接続片５０ｂにおける下端部６０ｂは薄肉であること、換言すれば他の部分、即ち上端部５２ｂ、第一の傾動部５４ｂ、中間部５６ｂ及び第二の傾動部５８ｂ、と比べて肉厚が低減せしめられている。非破断接続片５０ａ及び５０ｂにおける上端部５２ａ及び５２ｂ、第一の傾動部５４ａ及び５４ｂ、中間部５６ａ及び５６ｂ並びに第二の傾動部５８ａ及び５８ｂの肉厚は０．４０乃至１．２０ｍｍ程度で、非破断接続片５０ａ及び５０ｂにおける下端部６０ａ及び６０ｂの肉厚は０．２０乃至０．４０ｍｍ程度でよい。所望ならば、非破断接続片５０ａにおける第一の傾動部５４ａ及び第二の傾動部５８ａ並びに非破断接続片５０ｂにおける第一の傾動部５４ｂ及び第二の傾動部５８ｂを水平ではなくて下方に幾分傾斜して延在するようになすこともできる。 As clearly shown in FIGS. 1 and 2, non-breaking connection pieces 50 a and 50 b located on both sides of the protruding piece 46 are further disposed in the opening 44. The non-breaking connection piece 50a in the illustrated embodiment has an upper end portion 52a connected to the lower end edge of the skirt wall 10, and then on the one side in the circumferential direction (right side in FIGS. 1 and 2) following the upper end portion 52a. The first tilting portion 54a extending substantially horizontally, the intermediate portion 56a extending slightly downward from the extending end portion of the first tilting portion 54a, and the other side in the circumferential direction facing the lower portion following the intermediate portion 56a (FIG. 1 and FIG. 2 (left side in FIG. 2) substantially horizontally and composed of a second tilting portion 58a and a lower end portion 60a that extends slightly downward from the extended end portion of the second tilting portion 58a and is connected to the tamper evidence skirt portion 6. Has been. The lower end portion 60a of the non-breaking connection piece 50a is thin, in other words, thicker than other portions, that is, the upper end portion 52a, the first tilting portion 54a, the intermediate portion 56a, and the second tilting portion 58a. but that has been caused to decrease. The non-breaking connecting piece 50b is line symmetrical with the non-breaking connecting piece 50a, and has an upper end portion 52b connected to the lower end edge of the skirt wall 10, and the other end in the circumferential direction downward (see FIG. 1). And the left side in FIG. 2) the first tilting portion 54b extending substantially horizontally, the intermediate portion 56b extending slightly downward from the extending end of the first tilting portion 54b, and the periphery facing downward following the intermediate portion 56b. The second tilting portion 58b extending substantially horizontally on one side of the direction (right side in FIGS. 1 and 2) and the extending end portion of the second tilting portion 58b extend slightly downward and are connected to the tamper evidence skirt portion 6. It is comprised from the lower end part 60b. The lower end portion 60b of the non-breaking connecting piece 50b is thin, in other words, thicker than other portions, that is, the upper end portion 52b, the first tilting portion 54b, the intermediate portion 56b, and the second tilting portion 58b. but that has been caused to decrease. The thicknesses of the upper end portions 52a and 52b, the first tilt portions 54a and 54b, the intermediate portions 56a and 56b, and the second tilt portions 58a and 58b in the non-breaking connection pieces 50a and 50b are about 0.40 to 1.20 mm. The thickness of the lower end portions 60a and 60b of the non-breaking connection pieces 50a and 50b may be about 0.20 to 0.40 mm. If desired, the first tilting part 54a and the second tilting part 58a in the non-breaking connection piece 50a and the first tilting part 54b and the second tilting part 58b in the non-breaking connection piece 50b are not horizontal but downward. It can also be made to extend somewhat inclined.
図２を参照して説明を続けると、ポリエチレンテレフタレートの如き適宜の合成樹脂或いはガラスから形成することができる容器の口頸部６４は全体として円筒形状であり、その上面は開口されている。口頸部６４の外周面には、雄螺条６６とこの雄螺条６６の下方に位置する係止あご部６８が形成されている。図６に図示する如く、雄螺条６６には周方向に間隔おいて通気用切欠６７が形成されている。 Continuing the description with reference to FIG. 2, the mouth-and-neck portion 64 of the container, which can be formed from an appropriate synthetic resin such as polyethylene terephthalate or glass, has a cylindrical shape as a whole, and its upper surface is opened. A male thread 66 and a locking jaw 68 positioned below the male thread 66 are formed on the outer peripheral surface of the mouth and neck portion 64. As shown in FIG. 6, the male thread 66 is formed with ventilation notches 67 at intervals in the circumferential direction.
口頸部６４に容器蓋２を装着して口頸部６４を密封する際には、口頸部６４に容器蓋２を被嵌して閉方向（図２において上方から見て時計方向）に回転せしめ、口頸部６４の雄螺条６６に容器蓋２の雌螺条２０を螺合せしめる。雄螺条６６に対する雌螺条２０の螺合の進行に応じて容器蓋２は口頸部６４に対して漸次下降する。図２に図示する状態まで口頸部６４に対して容器蓋２が下降せしめられると、容器蓋２の本体４における天面壁８の内面に形成されている内側環状突条１４及び外側環状突条１６が夫々口頸部６４の内周面及び外周面に密接せしめられ、これによって口頸部６４が密封される。容器蓋２のタンパーエビデント裾部６の内周面に配設されている係止手段３４は口頸部６４の係止あご部６８を弾性的に乗り越えて、係止あご部６８の下面に係止せしめられる。 When the container lid 2 is attached to the mouth-and-neck portion 64 and the mouth-and-neck portion 64 is sealed, the container lid 2 is fitted on the mouth-and-neck portion 64 and closed (clockwise as viewed from above in FIG. 2). The female thread 20 of the container lid 2 is screwed together with the male thread 66 of the mouth-and-neck part 64 by rotating. As the female thread 20 is engaged with the male thread 66, the container lid 2 gradually descends with respect to the mouth-and-neck portion 64. When the container lid 2 is lowered with respect to the mouth-and-neck portion 64 to the state shown in FIG. 2, the inner annular ridge 14 and the outer annular ridge formed on the inner surface of the top wall 8 in the main body 4 of the container lid 2. 16 are respectively brought into close contact with the inner peripheral surface and the outer peripheral surface of the mouth-and-neck portion 64, whereby the mouth-and-neck portion 64 is sealed. The locking means 34 disposed on the inner peripheral surface of the tamper evidence skirt 6 of the container lid 2 elastically climbs over the locking jaw 68 of the mouth-and-neck 64 and is placed on the lower surface of the locking jaw 68. It can be locked.
口頸部６４を開封する際には、容器蓋２を開方向（図２において上方から見て反時計方向）に回転せしめ、口頸部６４の雄螺条６６に対する容器蓋２の雌螺条２０の螺合を漸次解除する。螺合を漸次解除すると容器蓋２の本体４は開方向に回転せしめられると共に上昇せしめられるが、タンパーエビデント裾部６は係止手段３４が口頸部６４の係止あご部６８に係止しているので上昇が阻止され、これに起因して破断可能橋絡部２６に相当な応力が生成され、破断可能橋絡部２６が破断される。しかる後においては、容器蓋２の本体２は開方向への回転と共に上昇し、タンパーエビデント裾部６から上方に漸次離間せしめられる。図２と共に図４を参照することによって明確に理解される如く、タンパーエビデント裾部６から本体４が漸次上方に離間せしめられると、非破断接続片５０ａの第一の傾動片５４ａ及び非破断接続片５０ｂの第二の傾動部５８ｂは夫々の上端及び下端を中心として図２及び図５において時計方向に旋回、即ち時計方向に傾動され、一方非破断接続片５０ａの第二の傾動片５８ａ及び非破断接続片５０ｂの第一の傾動部５４ｂは夫々の下端及び上端を中心として図２及び図５において反時計方向に旋回、即ち反時計方向に傾動され、これに応じて非破断接続片５０ａ及び５０ｂにおける第一の傾動部５４ａ及び５４ｂ並びに第二の傾動部５８ａ及び５８ｂの鉛直線に対する傾斜角度αが漸次低減される。図２及び図５と共に図６を参照することによって明確に理解される如く、口頸部６４の雄螺条６６に対する容器蓋２の雌螺条２０の螺合が完全に解除されると、容器蓋２の本体４は口頸部６４から離脱される。しかしながら、本体４は非破断接続片５０ａ及び５０ｂを介して、口頸部６４に装着され続けているタンパーエビデント裾部６に接続され続けている故に、容器の口頸部６４から離間されることはない。 When opening the mouth and neck portion 64, the container lid 2 is rotated in the opening direction (counterclockwise as viewed from above in FIG. 2), and the female thread of the container lid 2 with respect to the male thread 66 of the mouth and neck portion 64 is rotated. The 20 screwing is gradually released. When the screwing is gradually released, the main body 4 of the container lid 2 is rotated and lifted in the opening direction, but the tamper evidence skirt 6 is locked by the locking means 34 to the locking jaw 68 of the mouth and neck 64. As a result, the rise is prevented, and due to this, a considerable stress is generated in the breakable bridge 26 and the breakable bridge 26 is broken. After that, the main body 2 of the container lid 2 rises with the rotation in the opening direction, and is gradually separated upward from the tamper evidence skirt 6. As clearly understood by referring to FIG. 4 in conjunction with FIG. 2, when the body 4 is gradually spaced upward from the tamper evidence skirt 6, the first tilting piece 54a of the non-breaking connecting piece 50a and the non-breaking The second tilting portion 58b of the connecting piece 50b is pivoted clockwise in FIGS. 2 and 5 around the respective upper and lower ends, that is, tilted clockwise, while the second tilting piece 58a of the non-breaking connecting piece 50a. The first tilting portion 54b of the non-breaking connection piece 50b is pivoted counterclockwise in FIGS. 2 and 5 around the lower end and the upper end of the non-breaking connection piece 50b, that is, tilted counterclockwise. The inclination angle α of the first tilting parts 54a and 54b and the second tilting parts 58a and 58b at 50a and 50b with respect to the vertical line is gradually reduced. As clearly understood by referring to FIG. 6 in conjunction with FIGS. 2 and 5, when the female thread 20 of the container lid 2 is completely disengaged from the male thread 66 of the mouth and neck 64, the container The main body 4 of the lid 2 is detached from the mouth / neck portion 64. However, the main body 4 is separated from the container's mouth and neck 64 because it continues to be connected to the tamper evidence skirt 6 that is still attached to the mouth and neck 64 via the non-breaking connection pieces 50a and 50b. There is nothing.
本発明に従って構成された容器蓋２においては、非破断接続片５０ａ及び５０ｂは傾動方向が相互に逆である２個の傾動部即ち第一の傾動部５４ａ及び第二の傾動部５８ａ並びに第一の傾動部５４ｂ及び第二の傾動部５８ｂを含んでいる故に、非破断接続片５０ａ及び５０ｂが存在する周方向寸法は比較的小さいにも拘らず、タンパーエビデント裾部６に対して本体２が相当な長さに亘って上方に離間することを許容する。従って、口頸部６４から本体２を離脱するためには本体２を相当な長さに亘って本体２を上昇せしめる必要がある場合にも、特に問題を発生せしめることなく本体２を口頸部６４から離脱することができる。 In the container lid 2 constructed in accordance with the present invention, the non-breaking connecting pieces 50a and 50b have two tilting portions whose tilt directions are opposite to each other, that is, the first tilting portion 54a and the second tilting portion 58a and the first tilting portion. 2 and the second tilting portion 58b, the main body 2 with respect to the tamper evidence skirt 6 is provided in spite of the relatively small circumferential dimension of the non-breaking connecting pieces 50a and 50b. Is allowed to be spaced upwards over a substantial length. Therefore, even when the main body 2 needs to be lifted over a considerable length in order to detach the main body 2 from the mouth / neck portion 64, the main body 2 can be moved to the mouth / neck portion without causing any particular problem. 64 can be disengaged.
容器蓋２の本体４が口頸部６４から離脱された後においては、非破断接続片５０ａ及び５０ｂの薄肉下端部６０ａ及び６０ｂをヒンジ支点として本体４を口頸部６４から遠ざかる方向に、図６に図示する状態まで旋回せしめる。かくすると、本体４に形成されている突出片４６の下端部（先端部）外側面が口頸部の係止あご部６８の上面に当接し、突出片４６の外面に形成されている段部４７が係止あご部６８の上面に係止せしめられる共に、本体４のスカート壁１０の下端がタンパーエビデント裾部６の外周面に当接し、これによって本体４は図６に図示する位置に解除自在に保持される。従って、消費者は本体４の存在によって阻害されることなく、容器内に存在する清涼飲料の如き内容物を飲食することができる。薄肉下端部６０ａ及び６０ｂは非破断接続片５０ａ及び５０ｂと充分な剛性を有するタンパーエビデント裾部６との境界領域であるので、上述したとおりの本体４の旋回は充分円滑に遂行することができる。 After the main body 4 of the container lid 2 is detached from the mouth-and-neck portion 64, the main body 4 is moved away from the mouth-and-neck portion 64 with the thin lower end portions 60 a and 60 b of the non-breaking connection pieces 50 a and 50 b as hinge fulcrums. 6 to the state shown in FIG. In this way, the outer surface of the lower end (front end) of the protruding piece 46 formed on the main body 4 abuts on the upper surface of the locking jaw 68 of the mouth-and-neck portion, and the step formed on the outer surface of the protruding piece 46. 47 is locked to the upper surface of the locking jaw portion 68, and the lower end of the skirt wall 10 of the main body 4 abuts against the outer peripheral surface of the tamper evidence skirt portion 6, so that the main body 4 is in the position shown in FIG. It is held releasably. Therefore, the consumer can eat and drink contents such as a soft drink present in the container without being obstructed by the presence of the main body 4. Since the thin lower end portions 60a and 60b are boundary regions between the non-breaking connection pieces 50a and 50b and the tamper evidence skirt 6 having sufficient rigidity, the turning of the main body 4 as described above can be performed sufficiently smoothly. it can.
内容物の飲食を途中で中断した場合には、図６に図示する位置に保持されている本体４を口頸部６４に接近する方向に旋回せしめて再び口頸部６４に被嵌し、そして容器蓋２を閉方向に回転せしめて口頸部６４の雄螺条６６に容器蓋２の雌螺条２０を螺合せしめ、かくして容器蓋２を再び図２に図示する状態に位置せしめ、口頸部６４を仮密封することができる。 When the eating and drinking of the contents is interrupted halfway, the main body 4 held at the position shown in FIG. 6 is turned in the direction approaching the mouth and neck portion 64 and is fitted on the mouth and neck portion 64 again. The container lid 2 is rotated in the closing direction so that the female thread 20 of the container lid 2 is screwed into the male thread 66 of the mouth-and-neck portion 64, and thus the container lid 2 is positioned again in the state shown in FIG. The neck 64 can be temporarily sealed.
実験例
ポリエチレンを射出成形して図１、図２及び図４に図示するとおりの形態の容器蓋を形成した。容器蓋の呼び径は２８ｍｍであり、ナールの軸線方向上部における突条部と非突条部との半径方向段差Ｘ１は０．３０ｍｍで、ナールの軸線方向下部の軸線方向長さＬは４．２ｍｍであった。株式会社キリンテクノシステム製インクジェット式印刷機を使用してナールの軸線方向下部に印刷を施した。その結果は図７に示すとおりであり、充分に明瞭であった。
Experimental Example Polyethylene was injection-molded to form a container lid as shown in FIGS. Nominal diameter of the container closure is 28mm, radially stepped X1 is 0.30mm with collision strip portion and Hi突ridges in the axial direction upper part of the knurl, the axial length L in the axial direction lower part of the knurl 4. It was 2 mm. Printing was performed on the lower part of the knurl in the axial direction using an ink jet printer manufactured by Kirin Techno System Co., Ltd. The result was as shown in FIG. 7 and was sufficiently clear.
２：容器蓋
４：本体
６：タンパーエビデント裾部
８：天面壁
１０：スカート壁
１７：ナールの突条部
１８：ナール
１８Ａ：ナールの軸線方向上部
１８Ｂ：ナールの軸線方向下部
１９：ナールの非突条部
２０：雌螺条
２６：破断可能橋絡部
３４：係止手段
４６：突出片
５０ａ：非破断接続片
５０ｂ：非破断接続片
５２ａ：上端部
５２ｂ：上端部
５４ａ：第一の傾動部
５４ｂ：第二の傾動部
５６ａ：中間部
５６ｂ：中間部
５８ａ：第二の傾動部
５８ｂ：第二の傾動部
６０ａ：下端部（薄肉下端部）
６０ｂ：下端部（薄肉下端部）
６４：口頸部
６６：雄螺条
６８：係止あご部
2: the lid 4: the body 6: tamper evident bottom portion 8: the top panel wall 10: the skirt wall 17: Nar butt strip portion 18: knurl 18A: Nar axial top 18B: Nar axial bottom 19: knurls of non butt strip portion 20: internal thread 26: breakable bridging portion 34: locking means 46: projecting piece 50a: unbroken connecting piece 50b: unbroken connecting pieces 52a: upper end 52 b: the upper end portion 54a: first Tilt part 54b: Second tilt part 56a: Intermediate part 56b: Middle part 58a: Second tilt part 58b: Second tilt part 60a: Lower end part (thin lower end part)
60b: Lower end (thin lower end)
64: Mouth and neck 66: Male thread 68: Locking jaw
Claims (4)
該本体の該スカート壁には下方に突出する突出片が配設されており、該突出片の周方向両側には、該本体の該スカート壁と該タンパーエビデント裾部とを接続する非破断接続片が配設されており、該非破断接続片の一方は、下方に向かって傾斜して或いは実質上水平に周方向片側に延びる第一の傾動部と該第一の傾動部に続いて下方に向かって傾斜して或いは実質上水平に周方向他側に延びる第二の傾動部を有し、該非破断接続片の他方は、下方に向かって傾斜して或いは実質上水平に周方向他側に延びる第一の傾動部と該第一の傾動部に続いて下方に向かって傾斜して或いは実質上水平に周方向片側に延びる第二の傾動部を有し、
該ナールの軸線方向下部における該突条部と該非突条部との平均半径方向段差寸法は、該ナールの軸線方向上部における該突条部と該非突条部との平均半径方向段差寸法よりも小さく設定されており、該ナールの軸線方向下部には印刷が施されている、ことを特徴とする合成樹脂製容器蓋。 A main body having a circular top wall and a cylindrical skirt wall depending from the top wall, and a plurality of breakable bridges arranged at intervals in the circumferential direction are connected to the skirt wall of the main body. A plurality of ridges extending in the axial direction over the entire circumference in the circumferential direction and at least over most of the axial direction. In a synthetic resin container lid in which a knurl composed of a number of non-ridge portions located between adjacent ridge portions is disposed,
Protruding pieces projecting downward are disposed on the skirt wall of the main body, and the skirt wall of the main body and the tamper evidence hem are connected to each other on both sides in the circumferential direction of the projecting piece. A connecting piece is disposed, and one of the non-breaking connecting pieces is inclined downward or substantially horizontally and extends to one side in the circumferential direction, and the first inclined part extends downward from the first inclined part. A second tilting portion extending toward the other side in the circumferential direction or inclined substantially horizontally, and the other of the non-breaking connecting pieces is inclined toward the lower side or substantially horizontally in the other direction in the circumferential direction. A first tilting portion extending to the first tilting portion, and a second tilting portion extending to one side in the circumferential direction that is inclined downward or substantially horizontally following the first tilting portion,
The average radial step size between the ridge portion and the non-ridge portion in the lower axial direction of the knurl is larger than the average radial step size between the ridge portion and the non-ridge portion in the upper axial direction of the nar. A synthetic resin container lid which is set to be small and is printed on the lower part in the axial direction of the knurl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009269217A JP5600418B2 (en) | 2009-11-26 | 2009-11-26 | Plastic container lid |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009269217A JP5600418B2 (en) | 2009-11-26 | 2009-11-26 | Plastic container lid |
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| JP5600418B2 true JP5600418B2 (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009269217A Active JP5600418B2 (en) | 2009-11-26 | 2009-11-26 | Plastic container lid |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11485550B2 (en) | 2019-05-13 | 2022-11-01 | Husky Injection Molding Systems Ltd. | Closure device for a container |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6749077B2 (en) * | 2015-03-27 | 2020-09-02 | 日本クロージャー株式会社 | Plastic cap |
| TWI589498B (en) | 2015-04-02 | 2017-07-01 | 邁可約瑟夫 麥奎爾 | Cap used for container |
| ES2768032A1 (en) * | 2018-12-19 | 2020-06-19 | Betapack S A U | STOPPING DEVICE TO BE FIXED TO THE NECK OF A CONTAINER (Machine-translation by Google Translate, not legally binding) |
| CH715781A2 (en) * | 2019-01-30 | 2020-07-31 | Deltona Innovations Ag | Screw cap and plastic screw cap with a screw cap and a pouring spout as well as a connecting means for captive fastening of the screw cap to the pouring spout. |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| FR2785264B1 (en) * | 1998-10-29 | 2001-01-05 | Crown Cork & Seal Tech Corp | CAPPING DEVICE |
| GB2374068B (en) * | 2001-02-15 | 2004-08-25 | Portola Packaging Ltd | Closures and containers in combination therewith |
| JP4758557B2 (en) * | 2001-03-30 | 2011-08-31 | 日本山村硝子株式会社 | Effervescent beverage bottle cap |
| JP2003175959A (en) * | 2001-12-10 | 2003-06-24 | Alcoa Closure Systems Japan Ltd | Cap made of synthetic resin |
| JP4467867B2 (en) * | 2001-12-10 | 2010-05-26 | 株式会社Ｃｓｉジャパン | Synthetic resin cap and closure device, and container-packed beverage |
| JP2005162272A (en) * | 2003-12-03 | 2005-06-23 | Kao Corp | Cap with opening-verifying function |
| DE102004052163A1 (en) * | 2004-10-26 | 2006-04-27 | Weber, Hanns G. | Closing device for beverage bottles or oil cans has closing part which locks opening of container whereby a marking, made from first partial marking on closing part and second partial marking on locking element, is placed on closing device |
| JP2008044630A (en) * | 2006-08-11 | 2008-02-28 | Kirin Brewery Co Ltd | Plastic cap with temper-resistant function |
| JP4906441B2 (en) * | 2006-08-29 | 2012-03-28 | 日本クラウンコルク株式会社 | Cap with bottle holding function |
| US8469213B2 (en) * | 2008-07-08 | 2013-06-25 | Japan Crown Cork Co., Ltd. | Synthetic resin container closure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11485550B2 (en) | 2019-05-13 | 2022-11-01 | Husky Injection Molding Systems Ltd. | Closure device for a container |
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