JP5650451B2 - Plastic container lid - Google Patents

Plastic container lid Download PDF

Info

Publication number
JP5650451B2
JP5650451B2 JP2010159052A JP2010159052A JP5650451B2 JP 5650451 B2 JP5650451 B2 JP 5650451B2 JP 2010159052 A JP2010159052 A JP 2010159052A JP 2010159052 A JP2010159052 A JP 2010159052A JP 5650451 B2 JP5650451 B2 JP 5650451B2
Authority
JP
Japan
Prior art keywords
container lid
outer peripheral
circumferential
peripheral surface
rib
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2010159052A
Other languages
Japanese (ja)
Other versions
JP2012020757A (en
Inventor
敏 稲葉
敏 稲葉
辻口　洋一
洋一 辻口
基勝 山田
基勝 山田
篤 渡部
篤 渡部
高広 赤荻
高広 赤荻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Closures Co Ltd
Original Assignee
Nippon Closures Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Closures Co Ltd filed Critical Nippon Closures Co Ltd
Priority to JP2010159052A priority Critical patent/JP5650451B2/en
Publication of JP2012020757A publication Critical patent/JP2012020757A/en
Application granted granted Critical
Publication of JP5650451B2 publication Critical patent/JP5650451B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Closures For Containers (AREA)

Description

本発明は、容器の口頸部に装着される容器蓋本体とこの容器蓋本体に閉位置と開位置との間を旋回自在に接続された上蓋を具備し、上蓋の円筒形スカート壁の外周面には弧状鍔片が配設されている合成樹脂製容器蓋に関する。   The present invention comprises a container lid main body mounted on the mouth / neck portion of a container, and an upper lid pivotally connected to the container lid main body between a closed position and an open position, and an outer periphery of a cylindrical skirt wall of the upper lid The present invention relates to a synthetic resin container lid in which an arcuate piece is disposed on the surface.

液体調味料等を収容した容器のための蓋として、下記特許文献１及び２に開示されている如く、容器の口頸部に装着される容器蓋本体と、容器蓋本体の上面を覆う閉位置と容器蓋本体の上面を露呈せしめる開位置との間を旋回自在に容器蓋本体に接続された上蓋とを具備する合成樹脂製容器蓋が広く実用に供されている。上蓋は円形天面壁とこの天面壁の外周縁から垂下する円筒形スカート壁とを有し、スカート壁の外周面には上蓋を開閉動、特に閉位置から開位置に旋回動する際に指を掛けるための弧状鍔片が配設されている。   As a lid for a container containing a liquid seasoning or the like, as disclosed in Patent Documents 1 and 2 below, a container lid body mounted on the mouth and neck of the container, and a closed position covering the upper surface of the container lid body Synthetic resin container lids having a top lid connected to the container lid body so as to be pivotable between and an open position where the upper surface of the container lid body is exposed are widely used. The upper lid has a circular top wall and a cylindrical skirt wall depending from the outer peripheral edge of the top wall, and the outer lid of the skirt wall opens and closes the upper lid, especially when turning from the closed position to the open position. An arcuate piece for hanging is provided.

特開２００７−３０２２９１号公報JP 2007-302291 A 特開２０１０−０５２７７３号公報JP 2010-052773 A

而して、本発明者等の知見によれば、上述した形態の従来の合成樹脂製容器蓋には、閉位置に位置せしめられている上蓋の鍔片、特にその外周面に指を掛けて上蓋を開方向に強制する際に、鍔片が指に食い込み、指に痛みを感じることが少なくない、という問題が存在する。   Thus, according to the knowledge of the present inventors, the conventional synthetic resin container lid of the above-described form has a hook on the lid of the upper lid that is positioned at the closed position, in particular, a finger on the outer peripheral surface. When forcing the upper lid in the opening direction, there is a problem that the heel piece bites into the finger and often causes pain in the finger.

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、鍔片の形態に改良を加えて、閉位置に位置せしめられている鍔片に指を掛けて上蓋を開方向に強制する際に指に痛みを感じることが回避乃至緩和されるようになすことである。   The present invention has been made in view of the above-mentioned facts, and its main technical problem is to improve the shape of the hook piece and hang a finger on the hook piece positioned in the closed position to open the upper lid. It is to avoid or relieve the feeling of pain in the finger when forcing.

本発明者等は、鋭意検討の結果、鍔片の半径方向突出長さは、周方向中央領域においては周方向中心から周方向両側に向かって漸次増大せしめられていて、周方向中央領域において鍔片の外周面は湾曲凹状をなし、周方向両側領域においては周方向両側に向かって漸次減少せしめられていて、周方向両側領域においては鍔片の外周面は弧状をなしてスカート壁の外周面に接続されており、そしてまた鍔片の下面には少なくとも周方向中央部領域の半径方向外側縁に沿って延在するリブが形成されており、リブの外周面は横断面図において下方に向かって半径方向内側に円弧状に延びており、鍔片の外周面下端はリブの外周面に円滑に連なる形態にすることによって、上記主たる技術的課題を解決することができることを見出した。 The present inventors have conducted extensive studies result, radial projection length of the flange pieces, in the circumferential center region have been made to increase gradually toward both sides in the circumferential direction from the circumferential center flange in the circumferential direction central region it outer peripheral surfaces of the support is Na curved concave, circumferential in direction side regions have been made to decrease gradually toward both sides in the circumferential direction, the outer peripheral surface of the flange pieces in the circumferential direction on both sides regions of the skirt wall at an arcuate outer periphery A rib extending at least along the radially outer edge of the central region in the circumferential direction is formed on the lower surface of the flange piece, and the outer peripheral surface of the rib is downward in the cross-sectional view. It has been found that the main technical problem can be solved by making the outer peripheral surface lower end of the flange piece smoothly connect to the outer peripheral surface of the rib .

即ち、本発明によれば、上記主たる技術的課題を達成する合成樹脂製容器蓋として、容器蓋本体と、該容器蓋本体の上面を覆う閉位置と該容器蓋本体の上面を露呈せしめる開位置との間を旋回自在に該容器蓋本体に接続された上蓋とを具備し、該上蓋は円形天面壁及び該天面壁の外周縁から垂下する円筒形スカート壁を有し、該スカート壁の外周面には半径方向外方に突出する鍔片が配設されている合成樹脂製容器蓋において、
該鍔片の半径方向突出長さは、周方向中央領域においては周方向中心から周方向両側に向かって漸次増大せしめられていて、周方向中央領域において該鍔片の外周面は湾曲凹状をなし、周方向両側領域においては周方向両側に向かって漸次減少せしめられていて、周方向両側領域においては該鍔片の外周面は弧状をなして該スカート壁の外周面に接続されており、
該鍔片の下面には少なくとも周方向中央領域の半径方向外側縁に沿って延在するリブが形成されており、該リブの外周面は横断面図において下方に向かって半径方向内側に円弧状に延びており、該鍔片の外周面下端は該リブの外周面に円滑に連なる、
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, as a synthetic resin container lid that achieves the main technical problem, the container lid body, a closed position that covers the upper surface of the container lid body, and an open position that exposes the upper surface of the container lid body An upper lid connected to the container lid body so as to be pivotable between the upper lid and the upper lid, the upper lid having a circular top wall and a cylindrical skirt wall depending from the outer peripheral edge of the top wall, and an outer periphery of the skirt wall In the synthetic resin container lid in which the flange protruding outward in the radial direction is arranged on the surface,
Radial projection length of the collar pieces in circumferential center region have been made to increase gradually toward the circumferential center to both sides in the circumferential direction, the outer peripheral surface of the collar pieces at the circumferential center region I a curved concave In the both circumferential regions, the outer circumferential surface of the flange piece is connected to the outer circumferential surface of the skirt wall in an arc shape in both circumferential regions.
A rib extending along at least the radially outer edge of the central region in the circumferential direction is formed on the lower surface of the flange piece, and the outer peripheral surface of the rib is arcuate inward in the radial direction downward in the cross-sectional view. The lower end of the outer peripheral surface of the flange piece is smoothly connected to the outer peripheral surface of the rib.
A synthetic resin container lid is provided.

好ましくは、該鍔片の外周面は、少なくとも周方向中央領域において下方に向かって半径方向内側に傾斜して延びている。 Preferably, the outer peripheral surface of the flange piece extends obliquely inward in the radial direction downward at least in the central region in the circumferential direction .

本発明の合成樹脂製容器蓋においては、周方向中央領域においては湾曲凹状をなす鍔片の外周面に、例えば親指の腹部を当接せしめると、親指の腹部の特定局部に鍔片が食い込むといった事態が発生することがなく、親指の腹部が鍔片の外周面に円滑に馴染み、そしてまた少なくとも周方向中央領域において鍔片の外周面下端はリブの外周面に円滑に連なる故に、鍔片の外周面と下面との境界領域においても親指の腹部の特定局部に鍔片が食い込むといった事態が発生することがなく、従って親指に力を加えて上蓋を開方向に強制しても痛みを感じることが回避乃至緩和される。 In the synthetic resin container lid of the present invention, for example, when the thumb abdomen is brought into contact with the outer peripheral surface of the curved concave piece in the circumferential central region , the hook bites into a specific local part of the thumb abdomen. Since the situation does not occur, the abdomen of the thumb fits smoothly into the outer peripheral surface of the sepal, and the lower end of the outer peripheral surface of the sepal smoothly connects to the outer peripheral surface of the rib at least in the central region in the circumferential direction. Even in the boundary area between the outer peripheral surface and the lower surface, there is no occurrence of a scissors biting into a specific local part of the abdomen of the thumb. Is avoided or alleviated.

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、成形型内で成形した状態で示す断面図。Sectional drawing which shows suitable embodiment of the synthetic resin container lid comprised according to this invention in the state shape | molded in the shaping | molding die. 図1の容器蓋における上蓋の正面図。FIG. 2 is a front view of an upper lid in the container lid of FIG. 図1の容器蓋における上蓋の側面図。FIG. 2 is a side view of an upper lid in the container lid of FIG. 図1の容器蓋における上蓋の平面図。FIG. 2 is a plan view of an upper lid in the container lid of FIG. 図1の容器蓋における上蓋の底面図。FIG. 2 is a bottom view of an upper lid in the container lid of FIG. 図1の容器蓋の一部を、上蓋を閉位置にせしめた状態で示す断面図。FIG. 2 is a cross-sectional view showing a part of the container lid of FIG. 1 with the upper lid in a closed position. 鍔片の変形例を示す部分断面図。The fragmentary sectional view which shows the modification of a collar piece.

図1を参照して説明すると、その全体をポリエチレン或いはポリプロピレンの如き適宜の合成樹脂から一体に射出成形することができる、本発明に従って構成された全体を番号２で示す容器蓋は、容器蓋本体４と上蓋６とを具備している。   Referring to FIG. 1, the entire container lid, which is configured according to the present invention and can be injection-molded integrally from a suitable synthetic resin such as polyethylene or polypropylene, is a container lid body. 4 and an upper lid 6.

容器蓋本体４は略円板形態である主壁８を有する。この主壁８には環状に延在する破断可能ライン１０が形成されている。破断可能ライン１０は厚さを局部的に低減せしめた所謂スコアから構成することができる。破断可能ライン１０によって規定された除去領域の片側部には上方に延びる連結柱１２が形成され、この連結柱１２の上端にはリング１４が連結されている。主壁８の上面周縁部には上方に向かって半径方向外方に傾斜して延びる環状係止突条１６が形成されている。この環状係止突条１６の外周面には環状係止溝１８が形成されている。主壁８の上面には、更に、環状係止突条１６と破断可能ライン１０との間において上方に突出する案内筒２０も形成されている。主壁８には、その外周縁から垂下する外側筒壁２２と共に、主壁８の下面から垂下する筒状密封突出片２４も配設されている。外側筒壁２２の内周面には環状係止突条２６が形成されている。   The container lid body 4 has a main wall 8 that is substantially in the form of a disk. A breakable line 10 extending in an annular shape is formed on the main wall 8. The breakable line 10 can be constituted by a so-called score in which the thickness is locally reduced. A connecting column 12 extending upward is formed on one side of the removal region defined by the breakable line 10, and a ring 14 is connected to the upper end of the connecting column 12. An annular locking ridge 16 is formed on the peripheral edge of the upper surface of the main wall 8 so as to incline upward in the radial direction. An annular locking groove 18 is formed on the outer peripheral surface of the annular locking ridge 16. A guide tube 20 is also formed on the upper surface of the main wall 8 so as to protrude upward between the annular locking protrusion 16 and the breakable line 10. The main wall 8 is also provided with a cylindrical sealing protruding piece 24 that hangs down from the lower surface of the main wall 8 together with an outer cylindrical wall 22 that hangs down from the outer peripheral edge thereof. An annular locking ridge 26 is formed on the inner peripheral surface of the outer cylindrical wall 22.

上蓋６は円形天面壁２８とこの天面壁２８の外周縁から垂下する（図１においては上蓋６は天面壁２８の外面を下方に向けた倒立状態で図示されている）円筒形スカート壁３０とを有する。周方向特定部位において、スカート壁３０の下端は接続ヒンジ手段３２を介して容器蓋本体４の外側筒壁２２の上端部に接続されている。天面壁２８の内面には円筒形状の垂下密封筒３４が形成されている。スカート壁３０の内周面下部には環状係止突条３６が形成されている。更に、上記接続ヒンジ手段３２の直径方向反対側において、スカート壁３０の外周面下端部には半径方向外方に突出する鍔片３８（かかる鍔片３８については後に更に詳述する）。上記連結柱１２は上記除去領域における接続ヒンジ手段３２側の上面で且つ破断可能ライン１０の近傍に配置されている。 The upper lid 6 hangs from a circular top wall 28 and an outer peripheral edge of the top wall 28 (in FIG. 1, the upper lid 6 is shown in an inverted state with the outer surface of the top wall 28 facing downward), Have At the specific portion in the circumferential direction, the lower end of the skirt wall 30 is connected to the upper end portion of the outer cylindrical wall 22 of the container lid body 4 via the connection hinge means 32. A cylindrical hanging sealing cylinder 34 is formed on the inner surface of the top wall 28. An annular locking protrusion 36 is formed at the lower part of the inner peripheral surface of the skirt wall 30. Further, in the diametrically opposite side of the connecting hinge means 32, on the outer peripheral surface lower portion of the skirt wall 30 (described in further detail later in detail written that the flange piece 38) a collar piece 38 which projects radially outwardly. The connecting column 12 is disposed on the upper surface of the removal region on the connection hinge means 32 side and in the vicinity of the breakable line 10.

図１と共に図６を参照して説明を続けると、上述したとおりの容器蓋２は図６に一部を二点鎖線で図示している口頸部４０を供えた容器に適用される（図６においては、容器蓋２と口頸部４０とを単純に重ね合わせた状態で図示している）。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は、上端面が開放された円筒形状の口頸部４０を備えており、この口頸部４０の外周面上端部には環状係止あご部４２が形成されている。容器蓋２はその容器蓋本体４が口頸部４０に被嵌される。更に詳細には、容器蓋本体４の外側筒壁２２と密封突出片２４との間に口頸部４０が挿入され、外側筒壁２２の環状係止突条２６が口頸部４０の係止あご部４２に係止せしめられ、密封突出片２４が口頸部４０の内周面に密封せしめられ、かくして口頸部４０が密封される。上蓋６は、図６に図示する閉位置に位置せしめられて容器蓋本体４の上面を覆う。上蓋６が閉位置に位置せしめられると、上蓋６の内周面に形成されている環状係止突条３６が容器蓋本体４の係止溝１８に係止せしめられる。   6 and FIG. 6 together, the container lid 2 as described above is applied to a container provided with the mouth-and-neck portion 40, part of which is shown in FIG. In FIG. 6, the container lid 2 and the mouth-and-neck portion 40 are simply overlapped). A container that can be formed from an appropriate synthetic resin such as polyethylene terephthalate or glass includes a cylindrical mouth-neck portion 40 having an open upper end surface, and an annular upper neck portion on the outer peripheral surface of the mouth-neck portion 40. A locking jaw 42 is formed. In the container lid 2, the container lid body 4 is fitted on the mouth / neck portion 40. More specifically, the mouth and neck portion 40 is inserted between the outer cylindrical wall 22 of the container lid main body 4 and the sealing protruding piece 24, and the annular locking protrusion 26 of the outer cylindrical wall 22 locks the mouth and neck portion 40. The chin portion 42 is engaged, and the sealing protrusion 24 is sealed to the inner peripheral surface of the mouth / neck portion 40, thus sealing the mouth / neck portion 40. The upper lid 6 is positioned at the closed position illustrated in FIG. 6 and covers the upper surface of the container lid body 4. When the upper lid 6 is positioned at the closed position, the annular locking protrusion 36 formed on the inner peripheral surface of the upper lid 6 is locked in the locking groove 18 of the container lid main body 4.

液体調味料の如き容器の内容物を消費する際には、鍔片３８に指をかけて上蓋６を開位置（例えば図１に実線で図示する位置から２０乃至３０度閉位置に向けて変位した位置）に旋回せしめて、容器蓋本体４の上面を露呈せしめる。次いで、リング１４に指を掛けて引っ張って破断可能ライン１０を破断し、除去領域を離脱せしめ、容器蓋本体４の主壁８に排出開口を生成する。しかる後においては、容器を傾動せしめて案内筒２０を通して内容物を排出することができる。   When consuming the contents of the container such as the liquid seasoning, the upper lid 6 is moved from the position shown by the solid line in FIG. And the upper surface of the container lid body 4 is exposed. Next, the ring 14 is put with a finger and pulled to break the breakable line 10, so that the removal region is released, and a discharge opening is generated in the main wall 8 of the container lid body 4. Thereafter, the contents can be discharged through the guide tube 20 by tilting the container.

而して、図示の容器蓋２における上述したとおりの構成及び作用は、本発明に従って構成された容器蓋２の新規な特徴を構成するものではなく、それ自体は周知の形態でよく、それ故にこれらについての詳細な説明は本明細書においては省略する。   Thus, the configuration and operation of the illustrated container lid 2 as described above do not constitute a novel feature of the container lid 2 constructed in accordance with the present invention, and may itself be in a well-known form, and therefore Detailed description thereof will be omitted in this specification.

図１乃至図６を参照して説明を続けると、本発明に従って構成された容器蓋２の鍔片３８においては、番号４６で示す周方向中央領域において、鍔片３８の半径方向突出長さは周方向中心から周方向両側に向かって漸次増大せしめられていて、鍔片３８の外周面４４は湾曲凹状をなしている。一方、周方向両側領域４８においては、鍔片３８の半径方向突出長さは周方向両側に向かって漸次減少せしめられていて、鍔片３８の外周面４４は弧状をなしてスカート壁３０の外周面に接続されている。 The description continues with reference to FIGS. 1 to 6. In the flange 38 of the container lid 2 constructed according to the present invention , the radial protrusion length of the flange 38 in the circumferential central region indicated by reference numeral 46 is as follows. The outer circumferential surface 44 of the flange piece 38 has a curved concave shape that is gradually increased from the circumferential center toward both sides in the circumferential direction. On the other hand, in the circumferentially opposite side regions 48, the protruding length in the radial direction of the flange piece 38 is gradually decreased toward both sides in the circumferential direction, and the outer peripheral surface 44 of the flange piece 38 forms an arc shape and the outer periphery of the skirt wall 30 Connected to the surface.

図示の実施形態においては、鍔片３８の外周面４４は実質上鉛直に延在せしめられている。所望ならば、図７に図示する如く、鍔片３８の外周面４４を下方に向かって半径方向内方に傾斜せしめることもできる。これに代えて、鍔片３８の外周面４４を下方に向かって半径方向外方に傾斜せしめることもできる。鍔片３８の上面４９は半径方向外方に向かって下方に傾斜せしめられており、鍔片３８の下面５０は実質上水平に延在せしめられている。   In the illustrated embodiment, the outer peripheral surface 44 of the collar piece 38 extends substantially vertically. If desired, as shown in FIG. 7, the outer peripheral surface 44 of the collar piece 38 can be inclined radially inward downward. Alternatively, the outer peripheral surface 44 of the collar piece 38 can be inclined radially outwardly downward. The upper surface 49 of the flange piece 38 is inclined downward in the radial direction, and the lower surface 50 of the flange piece 38 is extended substantially horizontally.

鍔片３８の下面５０の少なくとも周方向中央領域には、鍔片３８の半径方向外側縁に沿って延在するリブ５２が形成されている。図示の実施形態においては、リブ５２は番号５４で示す周方向中央領域において鍔片３８の半径方向外側縁に沿って延在せしめられている。図６及び図７に図示する如く、リブ５２の外周面は横断面図において下方に向かって半径方向内側に円弧状に延びていて、鍔片３８の外周面下端はリブ５２の外周面に円滑に連なる。リブ５２の内周面も横断面図において下方に向って半径方向外側に円弧状に延びていて、リブ５２の横断面形状は略半円形であるのが好都合である。 At least the circumferential center region of the lower surface 50 of the flange piece 38, that has a rib 52 extending along the radially outer edge of the flange piece 38 is formed. In the illustrated embodiment, the ribs 52 extend along the radially outer edge of the collar 38 in the circumferential central region indicated by the numeral 54. As shown in FIGS. 6 and 7, the outer peripheral surface of the rib 52 extends in an arc shape radially inward in the cross-sectional view, and the lower end of the outer peripheral surface of the flange piece 38 is smooth on the outer peripheral surface of the rib 52. Ru Tsurana to. The inner peripheral surface of the rib 52 also extends in a circular arc shape outward in the radial direction in the cross-sectional view, and the cross-sectional shape of the rib 52 is advantageously substantially semicircular .

上記のとおりの形態の鍔片３８を備えた容器蓋２においては、上蓋６を閉位置から開位置に回動せしめる際には、図６に二点鎖線で示す如く、鍔片３８の外周面４４に例えば親指の腹部５６を当接せしめて上蓋６を開方向に強制することができる。鍔片３８の外周面４４が、周方向中央領域４６において湾曲凹状であり、そしてまた鍔片３８の外周面下端はリブ５２の外周面に円滑に連なっているので、親指の腹部５６の特定部位に鍔片３８が食い込むことがなく、親指の腹部５６が鍔片３８の外周面４４に円滑に馴染み、それ故に親指の腹部５６に痛みを感じることが回避乃至充分に緩和される。   In the container lid 2 provided with the flange 38 in the form as described above, when the upper lid 6 is rotated from the closed position to the open position, as shown by a two-dot chain line in FIG. For example, the abdomen 56 of the thumb can be brought into contact with 44 to force the upper lid 6 in the opening direction. Since the outer peripheral surface 44 of the flange 38 is curved and concave in the circumferential central region 46, and the lower end of the outer peripheral surface of the flange 38 is smoothly connected to the outer peripheral surface of the rib 52, a specific part of the abdomen 56 of the thumb Therefore, the thumb abdomen 56 smoothly fits into the outer peripheral surface 44 of the collar piece 38, and the pain in the thumb abdomen 56 is avoided or sufficiently relieved.

２：容器蓋
４：容器蓋本体
６：上蓋
２８：上蓋の天面壁
３０：上蓋のスカート壁
３８：鍔片
４４：鍔片の外周面
５０：鍔片の下面
５２：リブ 2: Container lid 4: Container lid body 6: Upper lid 28: Top wall of the upper lid 30: Skirt wall of the upper lid 38: Hook 44: Outer circumferential surface of the hook 50: Lower surface of the hook 52: Rib

Claims (2)

容器蓋本体と、該容器蓋本体の上面を覆う閉位置と該容器蓋本体の上面を露呈せしめる開位置との間を旋回自在に該容器蓋本体に接続された上蓋とを具備し、該上蓋は円形天面壁及び該天面壁の外周縁から垂下する円筒形スカート壁を有し、該スカート壁の外周面には半径方向外方に突出する鍔片が配設されている合成樹脂製容器蓋において、
該鍔片の半径方向突出長さは、周方向中央領域においては周方向中心から周方向両側に向かって漸次増大せしめられていて、周方向中央領域において該鍔片の外周面は湾曲凹状をなし、周方向両側領域においては周方向両側に向かって漸次減少せしめられていて、周方向両側領域においては該鍔片の外周面は弧状をなして該スカート壁の外周面に接続されており、
該鍔片の下面には少なくとも周方向中央領域の半径方向外側縁に沿って延在するリブが形成されており、該リブの外周面は横断面図において下方に向かって半径方向内側に円弧状に延びており、該鍔片の外周面下端は該リブの外周面に円滑に連なる、
ことを特徴とする合成樹脂製容器蓋。 A container lid main body, and an upper lid connected to the container lid main body so as to be pivotable between a closed position covering the upper surface of the container lid main body and an open position exposing the upper surface of the container lid main body. Has a circular top wall and a cylindrical skirt wall depending from the outer peripheral edge of the top wall, and a synthetic resin container lid in which a flange projecting radially outward is disposed on the outer peripheral surface of the skirt wall In
Radial projection length of the collar pieces in circumferential center region have been made to increase gradually toward the circumferential center to both sides in the circumferential direction, the outer peripheral surface of the collar pieces at the circumferential center region I a curved concave In the both circumferential regions, the outer circumferential surface of the flange piece is connected to the outer circumferential surface of the skirt wall in an arc shape in both circumferential regions.
A rib extending along at least the radially outer edge of the central region in the circumferential direction is formed on the lower surface of the flange piece, and the outer peripheral surface of the rib is arcuate inward in the radial direction downward in the cross-sectional view. The lower end of the outer peripheral surface of the flange piece is smoothly connected to the outer peripheral surface of the rib.
A synthetic resin container lid. 該鍔片の外周面は、少なくとも周方向中央領域において下方に向かって半径方向内側に傾斜して延びている、請求項１記載の合成樹脂製容器蓋。 2. The synthetic resin container lid according to claim 1, wherein an outer peripheral surface of the flange piece extends in a radially inward direction toward the lower side at least in a circumferential central region .
JP2010159052A 2010-07-13 2010-07-13 Plastic container lid Active JP5650451B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010159052A JP5650451B2 (en) 2010-07-13 2010-07-13 Plastic container lid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010159052A JP5650451B2 (en) 2010-07-13 2010-07-13 Plastic container lid

Publications (2)

Publication Number Publication Date
JP2012020757A JP2012020757A (en) 2012-02-02
JP5650451B2 true JP5650451B2 (en) 2015-01-07

Family

ID=45775365

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010159052A Active JP5650451B2 (en) 2010-07-13 2010-07-13 Plastic container lid

Country Status (1)

Country Link
JP (1) JP5650451B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6304588B2 (en) * 2014-03-10 2018-04-04 大日本印刷株式会社 Spout and pouch with spout
JP2018087046A (en) * 2018-03-06 2018-06-07 大日本印刷株式会社 Spout and spout pouch

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4486716B2 (en) * 1999-03-03 2010-06-23 三笠産業株式会社 Plastic cap
JP4406491B2 (en) * 2000-03-24 2010-01-27 三笠産業株式会社 Shower suction prevention hinge cap
JP2003292004A (en) * 2002-03-29 2003-10-15 Yoshino Kogyosho Co Ltd Injection cap
JP4762780B2 (en) * 2006-05-11 2011-08-31 日本クラウンコルク株式会社 Cap for good separation and disposal
JP5092816B2 (en) * 2008-03-11 2012-12-05 三菱自動車工業株式会社 Steering switch

Also Published As

Publication number Publication date
JP2012020757A (en) 2012-02-02

Similar Documents

Publication Publication Date Title
JP6326472B2 (en) Plastic container lid
JP5948181B2 (en) Plastic container lid
JP5574582B2 (en) Plastic container lid
JP6634228B2 (en) Container lid with inner plug and outer lid
JP5341729B2 (en) Plastic container lid
JP7506027B2 (en) A container lid with a metal body and a synthetic resin liner
JP2013071762A (en) Container lid
JP5650451B2 (en) Plastic container lid
JP4668810B2 (en) Composite hinge cap
JP4634654B2 (en) Plastic container lid
JP5984636B2 (en) Container lid composed of inner stopper and lid body
JP5590913B2 (en) Plastic container lid
JP2012020756A (en) Lid for synthetic resin container
JP4798897B2 (en) Synthetic resin container lid with pull ring
JP5702076B2 (en) Plastic cap
JP4530445B2 (en) Synthetic resin container lid with pull ring
JP6448323B2 (en) Container lid that allows selection between small and large discharges
JP2016064838A (en) Container lid capable of selecting small amount discharge and large amount discharge
JP4500626B2 (en) Plastic cap
JP4652600B2 (en) Synthetic resin container lid having a main body and a cap
JP2006182371A (en) Hinge cap
JP4388622B2 (en) Synthetic resin container lid with pull ring
JPH1135061A (en) Hinged cap
JP4164135B2 (en) Synthetic resin container lid with tamper evident characteristics
JP2023072778A (en) One piece cap

Legal Events

Date Code Title Description
A625 Written request for application examination (by other person)

Free format text: JAPANESE INTERMEDIATE CODE: A625

Effective date: 20130617

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20140219

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20140401

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20140523

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20141111

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20141113

R150 Certificate of patent or registration of utility model

Ref document number: 5650451

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150