JP2004008951A - Ejection button - Google Patents

Ejection button Download PDF

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Publication number
JP2004008951A
JP2004008951A JP2002167017A JP2002167017A JP2004008951A JP 2004008951 A JP2004008951 A JP 2004008951A JP 2002167017 A JP2002167017 A JP 2002167017A JP 2002167017 A JP2002167017 A JP 2002167017A JP 2004008951 A JP2004008951 A JP 2004008951A
Authority
JP
Japan
Prior art keywords
button
ejection port
ejection
screw
flow path
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.)
Pending
Application number
JP2002167017A
Other languages
Japanese (ja)
Inventor
Yoshio Kadota
門田　与志男
Yasuo Oshima
大島　保夫
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.)
Mitani Valve Co Ltd
Original Assignee
Mitani Valve 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 Mitani Valve Co Ltd filed Critical Mitani Valve Co Ltd
Priority to JP2002167017A priority Critical patent/JP2004008951A/en
Publication of JP2004008951A publication Critical patent/JP2004008951A/en
Pending legal-status Critical Current

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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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/40—Filters located upstream of the spraying outlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/754—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 comprising filters in the fluid flow path

Abstract

<P>PROBLEM TO BE SOLVED: To provide an ejection button for an aerosol container or a container with a pump which can suppress the occurrence of an irregular ejection pattern and can prevent clogging caused by a foreign material. <P>SOLUTION: In this ejection button, a disk-shaped confluence chamber 26a is provided between the front end face of a post part having a flow passage on the circumference thereof and the back of a front part of an ejection port member 23 having an ejection port 21 in its center part. A plurality of screw passages 28 are provided tangentially at equal intervals around the confluence chamber 26a. According to this construction, upon the depression of the button part, a liquid contained in the container is delivered through a delivery pipe and forms a swirl flow in the confluence chamber 26a which is then ejected from the ejection port 21. Further, a circular rectifying passage 27a, in communication with an input of each screw passage 28, is provided concentrically around the confluence chamber 26a between the front end face of the post part and the back of the front part of the ejection port member 23. A plurality of filter passages 29a capable of inhibiting the entry of foreign matter are provided, while providing a space therebetween, around the rectifying passage 27a. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、エアゾール容器或いはポンプ付き容器の頭部に突設された吐出パイプに嵌着するボタン部の周面部に、噴口部材の背面に形成された嵌入筒部を嵌入させる収納溝が形成されると共に、ポスト部が、噴口部材の噴射口を中心部に有する正面部背面に向けて嵌入筒部内に侵入することにより、ポスト部の先端面及び正面部背面間にディスク状合流室が形成され、またこの合流室の周囲に、その接線方向に複数個のスクリュー流路が互いに等間隔に形成されることにより、吐出パイプから吐出された内容液が、合流室で旋回流を形成して噴射されると共に、スクリュー流路の入口側に異物の侵入を阻止するフィルタ用流路が形成された噴射ボタンに関するものである。
【０００２】
【従来の技術】
図５は、この種の特開２００１−２２７４７５号公報による噴射ボタン４０の周面部に嵌入された噴口部材を示すもので、その背面において中心部に噴射口４１を有する合流室４２及びその周囲の流路４５間に、ディスク状合流室４２の外周面に対して接線方向の複数個のスクリュー流路４３が等間隔に形成されることにより、合流室４２で旋回流を発生させて内容液の微細なミスト化を行うと共に噴射口４１から均一な噴射パターンで噴射されるようになっている。さらに、流路４５には突出部４７を複数個形成することにより、容器への内容物の充填時、容器頭部への吐出ユニットの取付け時或いは磨耗を生じる可能性のある使用途中に混入する異物を阻止している。また、別のフィルタ用流路として、流路４５にマット処理を行う方法も開示されている。
【０００３】
【発明が解決しようとする課題】
これにより、噴射口の異物による詰まりを防止することができるが、阻止された異物に近いスクリュー流路への内容液の流入量が減少したり、或いは液流が乱れることにより、噴射パターンに乱れを生じ易い点で改良の余地が残されている。
【０００４】
本発明は、このような点に鑑みて、噴射パターンの乱れを抑制して、異物による目詰まりを防止し得る冒頭に述べた類のエアゾール容器或いはポンプ付き容器用の噴射ボタンを提供することを目的とする。
【０００５】
【課題を解決するための手段】
本発明は、この目的を達成するために、請求項１により、容器の頭部に突設された吐出パイプに嵌着する流路部が内部に形成されたボタン部の周面部に、噴口部材の背面に形成された嵌入筒部を嵌入させる収納溝が形成されると共に、周囲に流路を形成する断面円形のポスト部が、噴口部材の噴射口を中心部に有する正面部背面に向けて嵌入筒部内に侵入することにより、ポスト部の先端面及び正面部背面間にディスク状合流室が形成され、またこの合流室の周囲に、その接線方向に複数個のスクリュー流路が互いに等間隔に形成されることにより、ボタン部が押し下げ操作されると、吐出パイプから吐出された内容液が、合流室で旋回流を形成して噴射口から噴射されるようになった噴射ボタンにおいて、ポスト部の先端面及び噴口部材の正面部背面間に、各スクリュー流路の入口にそれぞれ連通する環状の整流用流路が、ディスク状合流室と同心状に形成され、整流用流路の周囲に、異物の侵入を阻止し得るフィルタ用流路が、間隔を置いて複数個形成されていることを特徴とする。
【０００６】
いずれかのフィルタ用流路で異物の流入が阻止されて詰まりを生じたりもしくは詰まり気味になったとしても、残りのフィルタ用流路を経由して整流用流路に流入し、その円周方向の拡散により整流されて、各スクリュー流路へ流入する。その際、請求項２により、フィルタ用流路が、スクリュー流路の個数以上の個数だけ互いに等間隔に形成されていることにより、整流用流路の位置により流量が変動するのが抑制され、一層整流機能が向上する。
【０００７】
【発明の実施の形態】
図１乃至図４を基に本発明の実施の形態の一例によるエアゾール容器用噴射ボタンを説明する。この噴射ボタンは、エアゾール容器の頭部のマウンティングカップに突設された吐出パイプとしてのバルブステム３に、基端部の嵌着部１２で嵌着する縦方向の中心流路部１１がボタン部１０の内部に形成され、またその周面部に正面に向けて形成された円筒状の収納溝１３に、噴口部材２０を嵌入させて構成されている。噴口部材２０の中心に噴射口２１を備えたディスク状正面部２２の周辺背後には、断面環状の嵌入筒部２３が突設され、その外周の突起２４が収納溝１３の環状の凹部に係止される。
【０００８】
収納溝１３内には、噴口部材２０の正面部背面２２ａに向けて嵌入筒部２３に侵入する断面円形のポスト部１５が中心部から突出して一体に形成されている。ポスト部１５の外周面は、収納溝１３の内周面に形成された膨出部２５が当接して、ポスト部１５の周囲には４方に分離された横方向の流路３０が形成される。この流路は、収納溝１３の基端部に形成される環状の流路１６に連通し、その上側部分が中心流路部１１に連通している。
【０００９】
噴口部材２０の正面部背面２２ａの中心部にはディスク状の凹部２６が形成されることにより、ポスト部１５の正面部背面２２ａに当接する先端面１５ａ間に、ディスク状合流室２６ａが形成される。その周囲には、同心状に環状の凹部２７が形成されることにより、ポスト部１５の先端面１５ａ間に、環状の整流用流路２７ａが形成される。同様に、正面部背面２２ａの凹部及びこれを閉鎖する先端面１５ａにより、整流用流路２７ａ及び合流室２６ａ間に、この合流室の外周円に対して接線方向の４個のスクリュー流路２８が、９０°の等間隔に形成され、その入口は整流用流路２７ａにそれぞれ連通している。
【００１０】
図３に拡大して示すように、正面部背面２２ａの外周領域における流路３０の先方の円弧状の流路領域には、整流用流路２７ａに連通する放射状の凹部２９を形成することにより、その一部が先端面１５ａの外周領域で閉鎖されて断面方形状のフィルタ用流路２９ａとして形成されている。その断面形状は、噴射口２１への異物侵入を阻止し得る程度に小さく設定されている。また、その個数は、スクリュー流路２８の個数を上回るように、倍数の８個で等間隔に配列されている。
【００１１】
ボタン部１０が操作部１４で押下げ操作されると、液状内容物はバルブステム３から中心流路部１１、流路１６、流路３０、凹部２９、その中心寄り領域のフィルタ用流路２９ａ、整流用流路２７ａ、スクリュー流路２８及び合流室２６ａを経由して噴射口２１から噴射される。合流室２６ａには等間隔のスクリュー流路２８の経由で生じる旋回流により、微細なミスト化が行われると共に噴射口２１から均一な噴射パターンで噴射が行われる。
【００１２】
いずれかのフィルタ用流路２９ａに異物が流入して詰まりを生じたとしても、残りのフィルタ用流路２９ａを経由して整流用流路２７ａに流入し、その円周方向の拡散による整流化で乱流が抑制されて、噴射パターンの乱れが防止される。しかも個数の多いフィルタ用流路２９ａの存在でその流入状態の大きなばらつきが回避され、したがって各スクリュー流路２８への流入量及び流入状態の変動が回避され、一層確実に噴射パターンの乱れが防止される。
【００１３】
尚、ポスト部は、別体の駒を接合して構成することもできる。また、本発明は、容器の頭部に取り付けられたポンプの吐出パイプとしての吸出しパイプに噴射ボタンを取付ける場合にも適用される。
【００１４】
【発明の効果】
請求項１の発明によれば、一旦環状の整流用流路を経由してスクリュー流路に流入することにより、いずれかのフィルタ流路が詰まっても噴射パターンの乱れが防止される。請求項２の発明によれば、個数の多いフィルタ流路を経由した後に、整流用流路に流入することにより、いずれかのフィルタ流路が詰まった場合に一層確実に噴射パターンの乱れが防止される。
【図面の簡単な説明】
【図１】本発明の実施の形態によるエアゾール容器用噴射ボタンの噴口部材の背面図である。
【図２】同噴口部材の断面図である。
【図３】同噴口部材の要部背面図である。
【図４】同噴射ボタンの断面図である。
【図５】従来の噴口部材の背面図である。
【符号の説明】
３　バルブステム
１０　ボタン部
１３　収納溝
１５　ポスト部
１５ａ　ポスト部の先端面
１６　３０　流路
２０　噴口部材
２１　噴射口
２２　ディスク状正面部
２２ａ　噴口部材の正面部背面
２３　嵌入筒部
２６ａ　合流室
２７ａ　整流用流路
２８　スクリュー流路
２９ａ　フィルタ用流路[0001]
TECHNICAL FIELD OF THE INVENTION
According to the present invention, a storage groove is formed in a peripheral surface portion of a button portion which is fitted to a discharge pipe protruded from a head of an aerosol container or a container with a pump, in which a fitted cylindrical portion formed on a back surface of a nozzle member is fitted. At the same time, the post portion penetrates into the fitting tube portion toward the back surface of the front portion having the ejection port of the ejection port member at the center, thereby forming a disc-shaped merging chamber between the front end face of the post portion and the front face rear surface. Also, a plurality of screw flow paths are formed at equal intervals around the merging chamber in the tangential direction thereof, so that the content liquid discharged from the discharge pipe forms a swirling flow in the merging chamber and is jetted. Also, the present invention relates to an injection button in which a filter channel for preventing entry of foreign matter is formed on the inlet side of the screw channel.
[0002]
[Prior art]
FIG. 5 shows a spout member fitted into the peripheral surface of the spout button 40 according to Japanese Patent Application Laid-Open No. 2001-227475, and a merging chamber 42 having a spout 41 at the center on the back surface thereof and the surrounding area. A plurality of screw flow paths 43 tangential to the outer peripheral surface of the disc-shaped confluence chamber 42 are formed at equal intervals between the flow paths 45, so that a swirling flow is generated in the confluence chamber 42 and the content liquid is removed. A fine mist is formed, and the mist is ejected from the ejection port 41 in a uniform ejection pattern. Further, by forming a plurality of protrusions 47 in the flow channel 45, the protrusions 47 are mixed when the container is filled with contents, when the discharge unit is attached to the head of the container, or during use in which abrasion may occur. Blocking foreign objects. Further, a method of performing a matting process on the channel 45 as another filter channel is also disclosed.
[0003]
[Problems to be solved by the invention]
This can prevent the injection port from being clogged by foreign matter, but the injection pattern is disturbed due to a decrease in the amount of the content liquid flowing into the screw flow path close to the blocked foreign matter or a disturbance in the liquid flow. There is room for improvement in that it is apt to occur.
[0004]
In view of the above, the present invention has been made to provide a spray button for an aerosol container or a pump-equipped container of the kind described at the beginning which can suppress disturbance of a spray pattern and prevent clogging by foreign matter. Aim.
[0005]
[Means for Solving the Problems]
To achieve this object, according to the present invention, a spout member is provided on a peripheral surface portion of a button portion in which a flow passage portion to be fitted to a discharge pipe protruding from a head of a container is formed. A receiving groove for receiving the fitting cylinder formed on the back surface of the nozzle is formed, and a post having a circular cross section that forms a flow path around the front surface has a center of the ejection port of the ejection port member. By intruding into the fitting tube portion, a disc-shaped merging chamber is formed between the front end surface of the post portion and the back surface of the front portion, and around the merging chamber, a plurality of screw flow paths are arranged at equal intervals in the tangential direction. When the button portion is pressed down, the content liquid discharged from the discharge pipe forms a swirling flow in the merging chamber and is jetted from the injection port. Of the tip surface of the An annular rectifying flow path communicating with the inlet of each screw flow path is formed concentrically with the disc-shaped confluence chamber between the front and rear surfaces, and a filter capable of preventing foreign matter from entering around the rectifying flow path. A plurality of flow paths are formed at intervals.
[0006]
Even if a foreign material is blocked in one of the filter channels and clogged or becomes slightly clogged, it flows into the rectifying channel via the remaining filter channels, and its circumferential direction Is rectified by the diffusion of the water and flows into each screw flow path. At that time, according to claim 2, since the filter flow paths are formed at equal intervals to each other by the number equal to or more than the number of screw flow paths, the flow rate is prevented from fluctuating due to the position of the rectification flow path, The rectification function is further improved.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
An injection button for an aerosol container according to an embodiment of the present invention will be described with reference to FIGS. This injection button has a vertical central flow path portion 11 fitted at a base end fitting portion 12 to a valve stem 3 as a discharge pipe protruding from a mounting cup at the head of the aerosol container. The nozzle member 20 is fitted into a cylindrical storage groove 13 formed inside the inner surface 10 and formed on its peripheral surface toward the front. Behind the periphery of a disk-shaped front portion 22 having an injection port 21 at the center of the injection port member 20, a fitting cylindrical portion 23 having an annular cross section is projected, and a projection 24 on an outer periphery thereof is engaged with an annular concave portion of the storage groove 13. Is stopped.
[0008]
In the storage groove 13, a post portion 15 having a circular cross section which intrudes into the fitting tube portion 23 toward the front surface rear surface 22 a of the injection hole member 20 is formed integrally from the center portion. The bulging portion 25 formed on the inner peripheral surface of the storage groove 13 abuts on the outer peripheral surface of the post portion 15, and a lateral flow path 30 divided into four sides is formed around the post portion 15. You. This flow path communicates with an annular flow path 16 formed at the base end of the storage groove 13, and an upper portion thereof communicates with the central flow path section 11.
[0009]
A disc-shaped concave portion 26 is formed at the center of the front surface rear surface 22a of the nozzle member 20, so that a disk-shaped merging chamber 26a is formed between the front end surfaces 15a abutting on the front surface rear surface 22a of the post portion 15. You. An annular concavity 27 is formed concentrically around the periphery thereof, so that an annular rectifying flow path 27 a is formed between the tip surfaces 15 a of the post portions 15. Similarly, the four screw flow paths 28 tangential to the outer circumferential circle of the merging chamber are provided between the rectifying flow path 27a and the merging chamber 26a by the concave portion of the front rear surface 22a and the front end surface 15a closing the same. Are formed at equal intervals of 90 °, and the inlets thereof are respectively connected to the rectifying flow paths 27a.
[0010]
As shown in FIG. 3 in an enlarged manner, a radial concave portion 29 communicating with the rectifying flow path 27a is formed in the arc-shaped flow path area ahead of the flow path 30 in the outer peripheral area of the front rear surface 22a. A part thereof is closed in the outer peripheral region of the distal end face 15a to form a filter flow path 29a having a square cross section. The cross-sectional shape is set small enough to prevent foreign matter from entering the injection port 21. In addition, the number of the screw flow paths 28 is eight at multiples and is arranged at regular intervals so as to exceed the number of screw flow paths 28.
[0011]
When the button section 10 is pressed down by the operation section 14, the liquid content is transferred from the valve stem 3 to the center flow path section 11, the flow path 16, the flow path 30, the recess 29, and the filter flow path 29a in the region near the center thereof. The gas is jetted from the jet port 21 via the rectifying flow path 27a, the screw flow path 28, and the merging chamber 26a. In the merging chamber 26a, a fine mist is formed by a swirling flow generated through the equally-spaced screw flow path 28, and the jet is jetted from the jet port 21 in a uniform jet pattern.
[0012]
Even if foreign matter flows into any one of the filter channels 29a and causes clogging, it flows into the rectification channel 27a via the remaining filter channels 29a and is rectified by its circumferential diffusion. The turbulence is suppressed, and the turbulence of the injection pattern is prevented. In addition, the large number of filter flow paths 29a avoids a large variation in the inflow state, thereby preventing a variation in the inflow amount and the inflow state into each screw flow path 28, and more reliably preventing the injection pattern from being disturbed. Is done.
[0013]
Note that the post portion may be formed by joining separate pieces. The present invention is also applicable to a case where an injection button is attached to a suction pipe serving as a discharge pipe of a pump attached to a head of a container.
[0014]
【The invention's effect】
According to the first aspect of the present invention, once flowing into the screw flow path via the annular rectification flow path, even if one of the filter flow paths is clogged, disturbance of the injection pattern is prevented. According to the invention of claim 2, by flowing into the rectification flow path after passing through a large number of filter flow paths, disturbance of the injection pattern is more reliably prevented when any of the filter flow paths is clogged. Is done.
[Brief description of the drawings]
FIG. 1 is a rear view of a nozzle member of an aerosol container injection button according to an embodiment of the present invention.
FIG. 2 is a sectional view of the nozzle member.
FIG. 3 is a rear view of a main part of the nozzle member.
FIG. 4 is a sectional view of the injection button.
FIG. 5 is a rear view of a conventional nozzle member.
[Explanation of symbols]
3 Valve Stem 10 Button Portion 13 Storage Groove 15 Post Portion 15a Tip Surface 16 30 Post Channel 20 Injection Member 21 Injection Portion 22 Disc-Shaped Front 22a Front Surface of Injection Member Back 23 Fitting Tube 26a Combination Room 27a Rectification Channel 28 Screw channel 29a Filter channel

Claims (2)

容器の頭部に突設された吐出パイプに嵌着する流路部が内部に形成されたボタン部の周面部に、噴口部材の背面に形成された嵌入筒部を嵌入させる収納溝が形成されると共に、周囲に流路を形成する断面円形のポスト部が、噴口部材の噴射口を中心部に有する正面部背面に向けて嵌入筒部内に侵入することにより、ポスト部の先端面及び正面部背面間にディスク状合流室が形成され、またこの合流室の周囲に、その接線方向に複数個のスクリュー流路が互いに等間隔に形成されることにより、ボタン部が押し下げ操作されると、吐出パイプから吐出された内容液が、合流室で旋回流を形成して噴射口から噴射されるようになった噴射ボタンにおいて、
ポスト部の先端面及び噴口部材の正面部背面間に、各スクリュー流路の入口にそれぞれ連通する環状の整流用流路が、ディスク状合流室と同心状に形成され、
前記整流用流路の周囲に、異物の侵入を阻止し得るフィルタ用流路が、間隔を置いて複数個形成されていることを特徴とする噴射ボタン。A storage groove is formed in the peripheral surface of the button part, in which a flow path part that fits into a discharge pipe protruding from the head of the container is formed, in which a fitting cylindrical part formed on the back surface of the nozzle member is fitted. At the same time, the post having a circular cross section forming a flow path therearound penetrates into the fitting cylindrical portion toward the back surface of the front portion having the ejection port of the ejection port member at the center, thereby forming the front end face and the front portion of the post section. A disc-shaped merging chamber is formed between the back surfaces, and a plurality of screw flow paths are formed around the merging chamber in the tangential direction at equal intervals, so that when the button portion is pressed down, the discharge is performed. In the ejection button, the content liquid discharged from the pipe is formed into a swirling flow in the merging chamber and is ejected from the ejection port,
Annular rectifying passages respectively communicating with the inlets of the screw passages are formed concentrically with the disc-shaped merging chamber, between the front end surface of the post portion and the front surface rear surface of the injection port member,
An injection button, wherein a plurality of filter channels capable of preventing intrusion of foreign matter are formed at intervals around the rectifying channel. フィルタ用流路が、スクリュー流路の個数以上の個数だけ互いに等間隔に形成されていることを特徴とする請求項１記載の噴射ボタン。The injection button according to claim 1, wherein the number of filter channels is equal to or greater than the number of screw channels.
JP2002167017A 2002-06-07 2002-06-07 Ejection button Pending JP2004008951A (en)

Priority Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007515266A (en) * 2003-11-07 2007-06-14 バルワー エス．アー．エス． Fluid product spray head and dosing pump having such a spray head
JP2011235197A (en) * 2010-04-30 2011-11-24 Yoshino Kogyosho Co Ltd Nozzle tip
JP2018058063A (en) * 2016-09-28 2018-04-12 株式会社丸一 Nozzle hole part structure of spray mechanism
CN110546375A (en) * 2017-04-26 2019-12-06 三菱电机株式会社 Fuel injection valve

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007515266A (en) * 2003-11-07 2007-06-14 バルワー エス．アー．エス． Fluid product spray head and dosing pump having such a spray head
JP4847871B2 (en) * 2003-11-07 2011-12-28 バルワー エス．アー．エス． Fluid product spray head and dosing pump having such a spray head
JP2011235197A (en) * 2010-04-30 2011-11-24 Yoshino Kogyosho Co Ltd Nozzle tip
JP2018058063A (en) * 2016-09-28 2018-04-12 株式会社丸一 Nozzle hole part structure of spray mechanism
CN110546375A (en) * 2017-04-26 2019-12-06 三菱电机株式会社 Fuel injection valve
CN110546375B (en) * 2017-04-26 2021-11-23 三菱电机株式会社 Fuel injection valve

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