JP3687817B2 - Synthetic resin ejection container - Google Patents

Synthetic resin ejection container Download PDF

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Publication number
JP3687817B2
JP3687817B2 JP08449897A JP8449897A JP3687817B2 JP 3687817 B2 JP3687817 B2 JP 3687817B2 JP 08449897 A JP08449897 A JP 08449897A JP 8449897 A JP8449897 A JP 8449897A JP 3687817 B2 JP3687817 B2 JP 3687817B2
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Prior art keywords
cylinder
elastic
stem
fitted
wall
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JP08449897A
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JPH10258868A (en
Inventor
飯塚茂雄
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Yoshino Kogyosho Co Ltd
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Yoshino Kogyosho Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は、ヘッド押下げ式の合成樹脂製噴出容器に係る。
【０００２】
【従来の技術】
容器体口頸部外面へ嵌合させた装着筒の上部内からシリンダを垂下すると共に、該シリンダ内から、ステム下部に筒状ピストンを有し、かつステム上部にノズル付き押下げヘッドを装着させた作動部材を、シリンダの上端部内面に嵌着させた案内筒を貫通させて、かつシリンダ内へ装着させたスプリングにより上方付勢させて起立し、該作動部材の上下動で、シリンダ底部に設けた吸込み弁を介してシリンダ内へ液体を吸込むと共に、該シリンダ内液体を作動部材内に設けた吐出弁を介してノズルから噴出可能に設けた、ヘッド押下げ式の噴出容器が広く知られている。
【０００３】
【発明が解決しようとする課題】
上記噴出容器は、作動部材上方付勢用のスプリングを金属製とし、また、その他の全部材を合成樹脂製とするが、このように金属製と合成樹脂とが混在すると、製品廃棄後に行う破砕処理の際に金属が破砕機の歯を損傷する虞がある。
【０００４】
本発明は、上記作動部材の上方付勢をエラストマーで形成した弾性部材で行うと共に、その他の噴出容器の全構成部材を合成樹脂材で形成して、上記欠点を除去可能に設けたものである。
【０００５】
第１の手段として下端面開口の胴部２の下部内に摺動底板４を嵌合させ、かつ胴部２上端から口頸部を起立した容器本体１と、上記口頸部内面に嵌合させた内筒部11上端の外向きフランジ状壁12を口頸部の上端面へ係合させ、かつ内筒部11下端に内向きフランジ状底壁13を付設した内部材10と、
上記口頸部外面に保持筒部21の下部を嵌合させ、かつ該保持筒部上端から内向きフランジ状壁を介して案内筒部22を垂設した装着部材20と、
上記案内筒部22内面に、頂壁32の下面中央部から垂設した下端面開口のステム33の中間部外面を上下摺動可能に嵌合させると共に、案内筒部22下方に突出するステム部分を下向き段部34を介して小外径部33ａに形成し、また、上記頂壁32周縁から垂設した周壁35を垂下する押下げヘッド30と、
上記内向きフランジ状底壁13のフランジ孔に形成した吸込み弁40と、上記内筒部11の下部内面に嵌着させた取付け筒部51の上端部から上内方へ弾性筒部52を突設すると共に、該弾性筒部の先端部に付設した垂下短筒部53の内面を上記小外径部33ａ外面に嵌合させて、垂下短筒部53の上端面を上記下向き段部34下面へ係合させることで、上記押下げヘッド30を上方付勢したエラストマー製の弾性筒部材50 とを有し、
上記押下げヘッドの周壁 35 前面に周溝 36 を穿設して、該周壁が囲む周壁部分中心から棒部 37 を前方突出し、該棒部の前端部を除く外面に棒方向へ穿設した溝部 38 を上記ステム 33 内と透孔 39 で連通させておき、上記周溝36内へ後端部を嵌着させかつ前端部内面を棒部37の前端部外面へ水密に圧接するエラストマー製の筒状吐出弁体60を設けた。
【０００６】
第２の手段として、上記第１の手段を有すると共に、ステム33の下端面を閉塞し、かつ該ステムの小外径部33ａに弁孔33ｄを穿設すると共に、弾性筒部材50の垂下短筒部53内面を小外径部33ａ外面に嵌合させて上記弁孔33ｄを閉塞させ、また、その垂下短筒部には、押下げヘッド30を弾性筒部52の付勢に抗して押下げたとき、下部大径のテ−パ状に弾性変形して弁孔33ｄを開放可能とする弾性変形機構を設けた。
【０００７】
【発明の実施の形態】
図１が示す第１実施形態を説明すると、１は容器体であり、該容器体は、胴部２上端から口頸部を起立すると共に、胴部２の下部内面に、胴部内負圧化により上方摺動する摺動底板４を嵌合させ、また、胴部２の下端面を閉塞する底蓋５に外気吸入用の小透孔６を穿設して、摺動底板４が上昇することにより、該底板下方の胴部部分内が負圧化することを阻止している。
【０００８】
10は内部材であり、該内部材は、上記口頸部内面に嵌合させた内筒部11上端に外向きフランジ状壁12を付設して、該外向きフランジ状壁下面をパッキングを介して口頸部の上端面へ係合させ、また、内筒部11下端に内向きフランジ状底壁13を付設している。
【０００９】
20は装着部材であり、該装着部材は、保持筒部21の上端から内向きフランジ状壁を介して案内筒部22を垂設したものであり、その保持筒部21の下半を内外二重筒状として、外方保持筒部分21ａ内面を上記口頸部の外面に螺合させ、また、内方保持筒部分21ｂの外面を上記内筒部11の上部内面に嵌合させている。
【００１０】
30は押下げヘッドであり、該押下げヘッドは、頂壁32の下面中央部から垂設した下端面開口のステム33を有し、該ステムの中間部外面を上記案内筒部22内面に上下摺動可能に嵌合させると共に、案内筒部22下方へ突出するステム部分を下向き段部34を介して小外径部33ａに形成している。当該ステムは、第１ステム形成筒33ｂと第２ステム形成筒33ｃとで形成され、第１ステム形成筒33ｂの下部内面に第２ステム形成筒33ｃの上部および中間部を嵌着させている。また、頂壁32の周縁からは周壁35を垂設し、かつ該周壁の前面に穿設した周溝36が囲む周壁部分の中心部から棒部37を前方突設して、該棒部の前端部を除く外面に複数の溝部38を棒方向に穿設し、かつ複数穿設した透孔39によってその溝部38とステム33内を連通させている。
【００１１】
上記内向きフランジ状底壁13のフランジ孔には、吸込み弁40を形成している。該吸込み弁の弁体は、既述内筒部11の下部内面に嵌合させた短筒部41の下端内面から弾性弧状帯42を周方向へ複数突出し、かつ上記内向きフランジ状底壁13の上面中央部に着座させた弁板43の周縁へ上記弾性弧状帯42先端を一体に結合させたものであり、後述弾性筒部材50等で形成する加圧室31内が負圧化すると、弾性弧状帯42が弾性屈曲して弁板43が上昇し、容器体１内の収納物をフランジ孔からシリンダ室31内へ吸上げるよう形成している。
【００１２】
50は弾性筒部材であり、該弾性筒部材は、上記短筒部41上端と内方保持筒部分21ｂ下端との間の内筒部11部分の内面に取付け筒部51を嵌着させると共に、該取付け筒部の上端部から上内方へ弾性筒部52を突設し、かつ該弾性筒部の先端部に付設した垂下短筒部53の内面を上記小外径部33ａ外面に嵌合させて、その垂下短筒部53の上端面を上記下向き段部34下面へ係合させることで、上記押下げヘッド30を上方付勢するよう形成し、該押下げヘッドを弾性筒部52の付勢に抗して押下げると、弾性筒部52、内筒部11および内向きフランジ状底壁13で形成する加圧室31内の収納物が加圧され、また押下げヘッド30を解放すると、弾性筒部52が弾性復元して押下げヘッド30を押上げるよう形成している。
【００１３】
60は筒状吐出弁体であり、該筒状吐出弁体は、前方小径の肉薄筒部61後端に付設した厚肉筒部を既述周溝36内へ嵌着させ、かつ肉薄筒部61の前端部内面を既述棒部37の前端部外面に水密に圧接させ、肉薄筒部61が弾性拡開することで開弁する吐出弁を形成している。
【００１４】
上記弾性筒部材50および筒状吐出弁体60はエラストマーで成形し、他の部材は適宜合成樹脂材で成形する。
【００１５】
図２， 図３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部分のみ説明する。ステム33は、下端面を閉塞しかつ小外径部33ａに小径の弁孔33ｄを穿設し、また、小外径部33ａの外面弾性筒部材50の垂下短筒部53内面を嵌合させてその弁孔33ｄを閉塞させている。更に、垂下短筒部53には、弾性変形機構としての切り割りを複数穿設して、押下げヘッド30を弾性筒部52の付勢に抗して押下げたとき、図３が示すように、弾性筒部52が下部大径のテ−パ状に弾性変形して上記弁孔33ｄを開放させることが可能に形成し、かつ押下げヘッド30を解放すると、弾性筒部52が弾性復元して弁孔33ｄを閉塞するよう形成している。
【００１６】
【発明の効果】
本発明は上記構成とするものであり、請求項１記載の発明の場合は、内部材10の内筒部11下部内面に嵌着させた取付け筒部51から上内方に弾性筒部52を突設すると共に、該弾性筒部の先端部に付設した垂下短筒部53の内面をステム33の小外径部33ａ外面に嵌合させて、垂下短筒部53の上端面をステム33の下向き段部34下面へ係合させることで、エラストマー製の弾性筒部材50によって押下げヘッド30を上方付勢したから、噴出容器を構成する総ての部材を合成樹脂材で形成することができ、押下げヘッド付勢用部材を金属スプリングとした場合のように、製品廃棄後において処理時にそのスプリングが破砕機の歯を損傷するようなことがなく、更に、筒状吐出弁体60の前端部内面を棒部37の前端部外面に水密に圧接させたから、筒状吐出弁体60が自らの弾性で棒部37の前端部外面に圧接することとなって、液洩れが確実に防止され、かつ吐出終了と同時に筒状吐出弁体60が弾性復元して、該筒状吐出弁体前端の吐出口を閉ざすので、液切れが良好となる。
【００１７】
請求項２記載の発明の場合は、上記請求項１記載の発明の効果を併せ有すると共に、弾性筒部材50の垂下短筒部53内面をステム33の小外径部33ａ外面に嵌合させて、該小外径部に穿設した弁孔33ｄを閉塞させたから、夏季に室温が上昇して収納物が膨張する等で、容器体胴部２の内圧が上昇して、収納物が漏出することを垂下短筒部53により阻止することができ、また、垂下短筒部53には、押下げヘッド30を押下げたとき、下部大径のテ−パ状に弾性変形して弁孔33ｄを解放可能とする弾性変形機構を設けたから、吐出時に垂下短筒部53を容易に弾性拡開させることができる。
【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】 本発明容器の第２実施形態を示す縦断面図である。
【図３】 同実施形態を、押下げヘッドを押下げた状態で示す縦断面図である。
【符号の説明】
10…内部材 20…装着部材 30…押下げヘッド
50…弾性筒状部材 60…筒状吐出弁体[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a head-pressing type synthetic resin ejection container.
[0002]
[Prior art]
The cylinder is suspended from the upper part of the mounting cylinder fitted to the outer surface of the container body neck and neck, and the cylinder has a cylindrical piston at the lower part of the stem, and a pressing head with a nozzle is attached to the upper part of the stem. The actuating member is erected by penetrating the guide cylinder fitted to the inner surface of the upper end of the cylinder and urged upward by a spring fitted into the cylinder. There is widely known a head-down type ejection container that sucks liquid into a cylinder through a provided suction valve and is capable of ejecting the liquid in the cylinder from a nozzle through a discharge valve provided in an operating member. ing.
[0003]
[Problems to be solved by the invention]
In the above-mentioned ejection container, the spring for biasing the operating member upward is made of metal, and all other members are made of synthetic resin. If metal and synthetic resin are mixed in this way, crushing after product disposal is performed. During processing, the metal may damage the teeth of the crusher.
[0004]
According to the present invention, the upward biasing of the operating member is performed by an elastic member formed of an elastomer, and all the constituent members of the other ejection container are formed of a synthetic resin material so that the above-mentioned defects can be removed. .
[0005]
As a first means, the sliding bottom plate 4 is fitted in the lower part of the body part 2 with the lower end opening, and the container body 1 with the mouth neck raised from the upper part of the body part 2 is fitted to the inner surface of the mouth neck part. An inner member 10 in which the outward flange-like wall 12 at the upper end of the inner cylinder part 11 is engaged with the upper end surface of the mouth-and-neck part, and an inward flange-like bottom wall 13 is attached to the lower end of the inner cylinder part 11,
A mounting member 20 in which the lower part of the holding cylinder part 21 is fitted to the outer surface of the mouth and neck part, and the guide cylinder part 22 is suspended from the upper end of the holding cylinder part via an inward flange-like wall,
A stem portion that protrudes downward from the guide tube portion 22 while fitting the outer surface of the intermediate portion of the stem 33 of the lower end surface opening suspended from the center portion of the lower surface of the top wall 32 to the inner surface of the guide tube portion 22 Is formed in the small outer diameter portion 33a via the downward stepped portion 34, and a pressing head 30 that hangs down the peripheral wall 35 suspended from the periphery of the top wall 32,
The elastic cylinder 52 protrudes upward and inward from the upper end of the suction valve 40 formed in the flange hole of the inward flange-like bottom wall 13 and the lower inner surface of the inner cylinder 11. And the inner surface of the hanging short tube portion 53 attached to the tip of the elastic tube portion is fitted to the outer surface of the small outer diameter portion 33a, and the upper end surface of the hanging short tube portion 53 is the lower surface of the downward stepped portion 34. And having an elastic cylinder member 50 made of elastomer that urges the pressing head 30 upward ,
A groove 36 is formed in the front surface of the peripheral wall 35 of the push-down head by projecting a rod portion 37 forward from the center of the peripheral wall portion surrounded by the peripheral wall , and in the rod direction on the outer surface excluding the front end portion of the rod portion. 38 is in communication with the inside of the stem 33 and the through- hole 39 , and an elastomer cylinder that fits the rear end portion into the circumferential groove 36 and presses the inner surface of the front end portion to the outer surface of the front end portion of the rod portion 37 in a watertight manner. A cylindrical discharge valve body 60 was provided.
[0006]
As a second means, the first means is provided, the lower end surface of the stem 33 is closed, a valve hole 33d is formed in the small outer diameter portion 33a of the stem, and the drooping short of the elastic cylinder member 50 is provided. The inner surface of the cylindrical portion 53 is fitted to the outer surface of the small outer diameter portion 33a to close the valve hole 33d, and the pressing head 30 is opposed to the urging force of the elastic cylindrical portion 52 on the hanging short cylindrical portion. An elastic deformation mechanism is provided that, when pressed down, elastically deforms into a lower large-diameter taper shape to open the valve hole 33d.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
The first embodiment shown in FIG. 1 will be described. Reference numeral 1 denotes a container body. The container body stands up from the upper end of the body part 2 and the neck part 2 is made negative in the body part 2 at the lower inner surface. The sliding bottom plate 4 that is slid upward is fitted, and a small through hole 6 for sucking outside air is formed in the bottom lid 5 that closes the lower end surface of the body portion 2 so that the sliding bottom plate 4 rises. This prevents negative pressure in the body portion below the bottom plate.
[0008]
Reference numeral 10 denotes an inner member, and the inner member is provided with an outward flange-like wall 12 at the upper end of the inner cylinder portion 11 fitted to the inner surface of the mouth-and-neck portion, and the lower surface of the outward flange-like wall is interposed through packing. And an inward flange-like bottom wall 13 is attached to the lower end of the inner cylinder portion 11.
[0009]
Reference numeral 20 denotes a mounting member. The mounting member has a guide cylinder portion 22 suspended from the upper end of the holding cylinder portion 21 via an inward flange-like wall. In the form of a heavy cylinder, the inner surface of the outer holding cylinder portion 21a is screwed into the outer surface of the mouth neck portion, and the outer surface of the inner holding cylinder portion 21b is fitted to the upper inner surface of the inner cylinder portion 11.
[0010]
Reference numeral 30 denotes a pressing head. The pressing head has a stem 33 having an opening at the lower end surface suspended from the center of the lower surface of the top wall 32, and the outer surface of the intermediate portion of the stem is vertically moved to the inner surface of the guide tube portion 22. A stem portion that is slidably fitted and protrudes downward from the guide tube portion 22 is formed in the small outer diameter portion 33a via a downward stepped portion. The stem is formed of a first stem forming cylinder 33b and a second stem forming cylinder 33c, and an upper part and an intermediate part of the second stem forming cylinder 33c are fitted to the lower inner surface of the first stem forming cylinder 33b. Further, a peripheral wall 35 is suspended from the peripheral edge of the top wall 32, and a rod portion 37 is projected forward from the center of the peripheral wall portion surrounded by the circumferential groove 36 drilled in the front surface of the peripheral wall. A plurality of grooves 38 are drilled in the rod direction on the outer surface excluding the front end, and the grooves 38 and the inside of the stem 33 are communicated with each other by a plurality of perforated holes 39.
[0011]
A suction valve 40 is formed in the flange hole of the inwardly flanged bottom wall 13. The valve body of the suction valve has a plurality of elastic arc-shaped bands 42 projecting in the circumferential direction from the lower end inner surface of the short cylindrical portion 41 fitted to the lower inner surface of the inner cylindrical portion 11, and the inward flange-shaped bottom wall 13 When the inside of the pressurizing chamber 31 formed by the elastic cylinder member 50 and the like is negatively pressured, the tip of the elastic arc-shaped band 42 is integrally coupled to the peripheral edge of the valve plate 43 seated at the center of the upper surface. The elastic arcuate band 42 is elastically bent and the valve plate 43 is raised, so that the contents in the container body 1 are sucked into the cylinder chamber 31 from the flange hole.
[0012]
50 is an elastic cylinder member, and the elastic cylinder member fits the mounting cylinder part 51 on the inner surface of the inner cylinder part 11 part between the upper end of the short cylinder part 41 and the lower end of the inner holding cylinder part 21b, An elastic cylinder 52 is projected from the upper end of the mounting cylinder to the inner side, and the inner surface of the hanging short cylinder 53 attached to the tip of the elastic cylinder is fitted to the outer surface of the small outer diameter 33a. Then, by engaging the upper end surface of the hanging short cylindrical portion 53 with the lower surface of the downward stepped portion 34, the pressing head 30 is formed to be urged upward, and the pressing head is attached to the elastic cylindrical portion 52. When pressed down against the urging force, the contents in the pressurizing chamber 31 formed by the elastic cylindrical portion 52, the inner cylindrical portion 11 and the inwardly flanged bottom wall 13 are pressurized, and the pressing head 30 is released. As a result, the elastic cylinder portion 52 is elastically restored to push up the pressing head 30.
[0013]
Reference numeral 60 denotes a cylindrical discharge valve body. The cylindrical discharge valve body has a thick cylindrical portion attached to the rear end of a thin cylindrical portion 61 having a small front diameter and is fitted into the aforementioned circumferential groove 36, and the thin cylindrical portion The inner surface of the front end portion of 61 is pressed against the outer surface of the front end portion of the rod portion 37 in a watertight manner to form a discharge valve that opens when the thin cylindrical portion 61 is elastically expanded.
[0014]
The elastic cylinder member 50 and the cylindrical discharge valve body 60 are formed of an elastomer, and the other members are appropriately formed of a synthetic resin material.
[0015]
As for the second embodiment shown in FIG. 2 and FIG. 3, only the differences from the first embodiment will be described. The stem 33 closes the lower end surface and has a small-diameter valve hole 33d formed in the small outer diameter portion 33a, and also fits the inner surface of the hanging short cylinder portion 53 of the outer elastic cylindrical member 50 of the small outer diameter portion 33a. The valve hole 33d is closed. Further, when a plurality of slits as an elastic deformation mechanism are formed in the hanging short tube portion 53 and the push-down head 30 is pushed down against the urging force of the elastic tube portion 52, as shown in FIG. The elastic cylindrical portion 52 is elastically deformed into a taper shape with a lower large diameter so that the valve hole 33d can be opened, and when the pressing head 30 is released, the elastic cylindrical portion 52 is elastically restored. Thus, the valve hole 33d is formed to be closed.
[0016]
【The invention's effect】
The present invention is configured as described above. In the case of the invention according to claim 1, the elastic cylindrical portion 52 is provided on the upper inner side from the mounting cylindrical portion 51 fitted to the lower inner surface of the inner cylindrical portion 11 of the inner member 10. While projecting, the inner surface of the hanging short tube portion 53 attached to the tip of the elastic tube portion is fitted to the outer surface of the small outer diameter portion 33a of the stem 33, and the upper end surface of the hanging short tube portion 53 is fitted to the stem 33. By engaging with the lower surface of the downward stepped portion 34, the push-down head 30 is urged upward by the elastic cylindrical member 50 made of elastomer, so that all members constituting the ejection container can be formed of a synthetic resin material. The spring does not damage the teeth of the crusher during processing after product disposal, as in the case where the pressing head biasing member is a metal spring, and the front end of the cylindrical discharge valve body 60 Since the inner surface of the part is brought into watertight pressure contact with the outer surface of the front end of the rod part 37, the cylindrical discharge valve body 60 Because of this, it is in pressure contact with the outer surface of the front end portion of the rod portion 37, so that liquid leakage is reliably prevented, and the cylindrical discharge valve body 60 is elastically restored simultaneously with the end of discharge, so that the front end of the cylindrical discharge valve body is restored. Since the discharge port is closed, the liquid runs out better.
[0017]
In the case of the invention described in claim 2, while having the effect of the invention described in claim 1 above, the inner surface of the hanging short tube portion 53 of the elastic tube member 50 is fitted to the outer surface of the small outer diameter portion 33a of the stem 33. Since the valve hole 33d formed in the small outer diameter portion is closed, the internal pressure of the container body portion 2 rises due to an increase in room temperature and expansion of the stored item in the summer, and the stored item leaks out. This can be prevented by the drooping short tube portion 53, and when the push-down head 30 is pushed down, the drooping short tube portion 53 is elastically deformed into a taper shape having a large diameter at the bottom, and the valve hole 33d. Since the elastic deformation mechanism that enables the release is provided, the drooping short cylindrical portion 53 can be easily elastically expanded during discharge.
[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 a longitudinal sectional view showing a second embodiment of the container of the present invention.
FIG. 3 is a longitudinal sectional view showing the embodiment in a state where a pressing head is pressed down;
[Explanation of symbols]
10 ... Inner member 20 ... Mounting member 30 ... Pressing head
50 ... Elastic cylindrical member 60 ... Cylindrical discharge valve body

Claims (2)

下端面開口の胴部２の下部内に摺動底板４を嵌合させ、かつ胴部２上端から口頸部を起立した容器本体１と、上記口頸部内面に嵌合させた内筒部11上端の外向きフランジ状壁12を口頸部の上端面へ係合させ、かつ内筒部11下端に内向きフランジ状底壁13を付設した内部材10と、
上記口頸部外面に保持筒部21の下部を嵌合させ、かつ該保持筒部上端から内向きフランジ状壁を介して案内筒部22を垂設した装着部材20と、
上記案内筒部22内面に、頂壁32の下面中央部から垂設した下端面開口のステム33の中間部外面を上下摺動可能に嵌合させると共に、案内筒部22下方に突出するステム部分を下向き段部34を介して小外径部33ａに形成し、また、上記頂壁32周縁から垂設した周壁35を垂下する押下げヘッド30と、
上記内向きフランジ状底壁13のフランジ孔に形成した吸込み弁40と、上記内筒部11の下部内面に嵌着させた取付け筒部51の上端部から上内方へ弾性筒部52を突設すると共に、該弾性筒部の先端部に付設した垂下短筒部53の内面を上記小外径部33ａ外面に嵌合させて、垂下短筒部53の上端面を上記下向き段部34下面へ係合させることで、上記押下げヘッド30を上方付勢したエラストマー製の弾性筒部材50 とを有し、
上記押下げヘッドの周壁 35 前面に周溝 36 を穿設して、該周壁が囲む周壁部分中心から棒部 37 を前方突出し、該棒部の前端部を除く外面に棒方向へ穿設した溝部 38 を上記ステム 33 内と透孔 39 で連通させておき、上記周溝36内へ後端部を嵌着させかつ前端部内面を棒部37の前端部外面へ水密に圧接するエラストマー製の筒状吐出弁体60を設けたことを特徴とする合成樹脂製噴出容器。A container body 1 in which a sliding bottom plate 4 is fitted in the lower part of the body part 2 at the lower end surface opening and the mouth and neck part is erected from the upper part of the body part 2, and an inner cylinder part that is fitted to the inner surface of the mouth and neck part. (11) An inner member 10 in which an outward flange-like wall 12 at the upper end is engaged with an upper end surface of the mouth-and-neck portion, and an inward-flange-like bottom wall 13 is attached to the lower end of the inner cylindrical portion 11,
A mounting member 20 in which the lower part of the holding cylinder part 21 is fitted to the outer surface of the mouth and neck part, and the guide cylinder part 22 is suspended from the upper end of the holding cylinder part via an inward flange-like wall,
A stem portion that protrudes downward from the guide tube portion 22 while fitting the outer surface of the intermediate portion of the stem 33 of the lower end surface opening suspended from the center portion of the lower surface of the top wall 32 to the inner surface of the guide tube portion 22 Is formed in the small outer diameter portion 33a via the downward stepped portion 34, and a pressing head 30 that hangs down the peripheral wall 35 suspended from the periphery of the top wall 32,
The elastic cylinder 52 protrudes upward and inward from the upper end of the suction valve 40 formed in the flange hole of the inward flange-like bottom wall 13 and the lower inner surface of the inner cylinder 11. And the inner surface of the hanging short tube portion 53 attached to the tip of the elastic tube portion is fitted to the outer surface of the small outer diameter portion 33a, and the upper end surface of the hanging short tube portion 53 is the lower surface of the downward stepped portion 34. And having an elastic cylinder member 50 made of elastomer that urges the pressing head 30 upward ,
A groove 36 is formed in the front surface of the peripheral wall 35 of the push-down head by projecting a rod portion 37 forward from the center of the peripheral wall portion surrounded by the peripheral wall , and in the rod direction on the outer surface excluding the front end portion of the rod portion. 38 is in communication with the inside of the stem 33 and the through- hole 39 , and an elastomer cylinder that fits the rear end portion into the circumferential groove 36 and presses the inner surface of the front end portion to the outer surface of the front end portion of the rod portion 37 in a watertight manner. A synthetic resin jet container characterized in that a cylindrical discharge valve body 60 is provided. ステム33の下端面を閉塞し、かつ該ステムの小外径部33ａに弁孔33ｄを穿設すると共に、弾性筒部材50の垂下短筒部53内面を小外径部33ａ外面に嵌合させて上記弁孔33ｄを閉塞させ、また、その垂下短筒部には、押下げヘッド30を弾性筒部52の付勢に抗して押下げたとき、下部大径のテ−パ状に弾性変形して弁孔33ｄを開放可能とする弾性変形機構を設けた請求項１記載の合成樹脂製噴出容器。The lower end surface of the stem 33 is closed, and a valve hole 33d is formed in the small outer diameter portion 33a of the stem, and the inner surface of the hanging short tube portion 53 of the elastic tube member 50 is fitted to the outer surface of the small outer diameter portion 33a. The valve hole 33d is closed, and when the push-down head 30 is pushed down against the urging force of the elastic cylinder 52, the bottom short cylinder is elastic in the shape of a taper having a large lower diameter. The synthetic resin ejection container according to claim 1, further comprising an elastic deformation mechanism that can be deformed to open the valve hole 33d.
JP08449897A 1997-03-17 1997-03-17 Synthetic resin ejection container Expired - Fee Related JP3687817B2 (en)

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Application Number Priority Date Filing Date Title
JP08449897A JP3687817B2 (en) 1997-03-17 1997-03-17 Synthetic resin ejection container

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JPH10258868A JPH10258868A (en) 1998-09-29
JP3687817B2 true JP3687817B2 (en) 2005-08-24

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001079458A (en) * 1999-09-20 2001-03-27 Taishou:Kk Airbrush
US7575134B2 (en) * 2005-03-17 2009-08-18 Martin James H Self-sealing nozzle for dispensing apparatus
JP4902238B2 (en) * 2006-03-24 2012-03-21 株式会社吉野工業所 Pressing head and pump with pressing head

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