JP3580501B2 - Nozzle and container equipped with the nozzle - Google Patents

Nozzle and container equipped with the nozzle Download PDF

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Publication number
JP3580501B2
JP3580501B2 JP2001233637A JP2001233637A JP3580501B2 JP 3580501 B2 JP3580501 B2 JP 3580501B2 JP 2001233637 A JP2001233637 A JP 2001233637A JP 2001233637 A JP2001233637 A JP 2001233637A JP 3580501 B2 JP3580501 B2 JP 3580501B2
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Prior art keywords
nozzle
throat
container
flow path
header
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JP2003047890A (en
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洋子 渡部
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洋子 渡部
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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Coating Apparatus (AREA)

Description

【0001】
【発明の属する技術分野】
この発明は、流動性のある液状物を吐出または点滴可能なノズル及び該ノズルを装着した容器に関する。
【0002】
【従来の技術】
従来例として、類似のものに、容器を上向きのまま使用するものとして、ヘア用のフォーム剤、窓や車のガラス用洗剤、洗濯用の糊、が知られ、容器を下向きのまま使用するものとして、頭髪に先を押し付けるタイプの育毛剤、容器を上向き・下向きどちらでも使えるものとして、制汗剤、ヘアスプレー、帯電防止剤、防水剤、等が市販されている。
【0003】
また、公知の技術として、▲1▼特開平7−144168号公報の「塗布具」、即ち、液体収容室の液体を加圧し、液溜め部を介して前方の塗布体へ導出するようにした塗布具であって、前記液体収容室の長手方向に対して前後方向に幅広となる塗布部を有し、塗布体の前端側に、この塗布体とこの塗布体のホルダーとの隙間として形成した空気通路を開口させて成る塗布具について開示され、▲2▼特開平11−206455号公報の「エアゾール缶取付け用整髪具」として、管状柄の前面を開口し、また台板前面から櫛歯等で形成した多数ないし複数の整髪子を前方突出する整髪部を設け、該整髪部を上記開口へ着脱自在に嵌合させて、前記台板で前記開口を密閉した整髪具が開示され、▲3▼特開2000−16470号公報の「塗布具付き容器」として、可撓性外側層と該外側層に剥離自在に積層された内側層で構成され、外側層に空気導入孔を備え、内側層に吐出口を連通してなる容器本体と、該容器本体の吐出口に接続される塗布具とを有してなる塗布具付き容器が開示されている。
【0004】
【発明が解決しようとする課題】
然しながら上述の従来例及び公知の技術では、市販されているものも、公知の技術として挙げたものも、何れもノズル部については、その構成等において言及されてないものである。
【0005】
また、本出願人の発明として、平成11年3月23日付け特願平11−77723号による「毛髪を有する地肌部への薬剤塗布具」を出願したが、その後本出願人自身が、「毛髪を有する地肌部への液剤塗布具」として発明の名称を変更し、優先権を主張して、平成11年12月27日に補正出願した特願平11−377477号(特開2000−334046号)では、ノズル吐出口の構造について、種々提案したが、結果的に構造が複雑で製作費が嵩み、且つ塗布効果が優れず、実用上問題を内在した形態となった。
【0006】
本発明は、上述の事情に鑑みて成されたもので、ノズル部について構造が簡単で、製作費が安価、且つ機能的に優れた汎用性を有するノズル及び該ノズルを装着した容器を提供することを目的とする。
【0007】
【課題を解決するための手段】
本発明は、下記構成を備えることにより上記課題を解決できるものである。
【0008】
(1)流路の前方に流路断面が段付きの連結部を介して狭小となるように縮径した喉部を有し、該喉部につながるノズルの先端口部を偏平なスリット状に形成し、この先端口部の開口端部(3a)を液だれ防止用の凹部となし、前記喉部及び喉部につながるノズルの先端口部を一体の毛細管とし、前記喉部に通ずる助走流路を介して流れの上流側部位となる液状物の入口部にヘッダー部を介して着脱自在の接続部を設け、且つ前記ノズルを所定のピッチで複数本配設して成ることを特徴とするノズル。
【0009】
(2)助走流路と喉部の連結部をテーパー状の截頭円錐形としたことを特徴とする前項(1)記載のノズル。
【0015】
)前記ヘッダー部及び接続部を介して押し絞り変形・スプリングバック自在の機能を有する容器に対し着脱自在の構成としたことを特徴とする前項(1)または(2)記載のノズルを装着した容器。
【0016】
【発明の実施の形態】
図1は、本発明に係るノズル部の構造拡大説明図、(a)はノズルの先端口部正面図、(b)は、(a)のA−A断面図、図2は、1本のノズルを容器に装着した単体構造の例を示す全体図である。図3は、本発明に係る複数本のノズル部をヘッダーを介して装着した例を示す側面図、図4は、複数本から成るノズル部にキャップを被嵌した状態を示す側面図、図5は、助走流路の先を毛細管とした場合の例を示すノズル部の断面図、図6は、助走流路1と喉部2との連結部をテーパー状とし流れの滞留する淀み点を回避する構成例を示す断面図である。
【0017】
以下本発明に係るノズル及び該ノズルを装着した容器の実施例について説明する。
【0018】
図1において、流路の前方に流路断面が段付き狭小となるように縮径した喉部2を有し、該喉部2の流路方向長さlは前記喉部2の口径φと共に相関して、使用する液状物の粘性及び/または表面張力等の性状に対応した大きさに構成し、前記喉部2に通ずる助走流路1(流路長さl×口径φ)を介して流れの上流側部位となる前記液状物の入口部に着脱自在の、例えば、螺子部を有する接続部6を設け、前記喉部2の先端口部3は、用途に応じて断面円形状、扁平なスリット状、または先細りオリフィス状とし、また、前記喉部2及び/または喉部の先端口部3は、別体構造にて嵌脱自在とし、また、前記喉部2につながるノズルの先端口部3の開口端部3aに、液だれ防止用の湾曲または球面状の凹部を設け、また、前記喉部2及び喉部2につながるノズルの先端口部3を一体の毛細管とし(図5参照)、即ち助走流路1から先の吐出口までを一体の流路と成し、扱う液状物の性状に適合した毛細管とすることにより、液だれを防止するように構成することも出来る。
【0019】
また、図6に、助走流路1と喉部2の連結部をテーパー状の截頭円錐形と成し、急激な段差をなくし、流れの滞留する淀み点を回避する構成例を示した。
【0020】
また、前記接続部6にヘッダー部5を設け、少なくとも一つまたは複数のノズル部Nを一列または複数列・複数本配設可能な構成とし、更に、前記ノズル部Nは、前記ヘッダー部5及び/または接続部6を介して容器7に対し着脱自在であると共に、容器7を搾るように押圧してノズルの先端口部3から所望の液状物を所望量吐出または点滴可能な構成としたことを特徴とする。
【0021】
本実施例における毛髪を有する地肌部への液剤塗布具の例としての各部寸法は、流路の長さにおいて、l:l:l=2:5:1;口径において、φ:φ=2:1;ノズルの鼻先のRは1R(以上、単位:mm)とした。
【0022】
尚、流路となる喉部2及び助走流路1の断面形状は、丸、四角、多角形、星形、または曲線によって形成される形状であっても良く、液状物の性状に対応して流路を形成可能であれば良く、その形状の如何を問うものではない。
【0023】
尚また、ノズルの鼻先4の外形は、図1に示すように曲率半径Rで形成される凹凸の無い滑らかな球面状に仕上げてある。即ち球形に近似した形態を成し、キャップが被嵌可能に構成してある。
【0024】
本発明に係るノズルの先端口部3の場合は、右手で使用する時と、左手で使用する時とで、使い勝手の良い向きにノズル部Nを容器に対し付け替え可能に構成してある。
【0025】
更にまた、前記ヘッダー部5は、円筒状を呈し、前記ノズル部Nを放射状に所定のピッチで複数本配設して成る構成とすることも出来る。
【0026】
更に尚、図4に示すように、例えば、ノズル部Nの本数に合わせた形状のキャップ8を設けることが出来る。
【0027】
このキャップ8は、図2に示すような単体構造の場合でも勿論適用可能に構成出来る。
【0028】
尚、本発明の重要なポイントである助走流路1の長さl及び口径φ、喉部2の長さl及び口径φ、等の各要素は、扱う液状物の性状、特に粘性(粘度)、密度、表面張力、及び流量等に応じて、適宜選択的に且つ前記4要素であるl、φ、l、φと相関して決定すれば良い。
【0029】
基準値としては、例えば、常温(20℃)における空気中の水の表面張力σ(シグマ)は72.75mN/m=72.75×10−3N/m(m−kg/s)(日本機械学会編、機械工学便覧)であるので、この値をベースに選択しても良い。
【0030】
即ち、扱う液状物の性状が分れば、本発明に係るノズル部Nの4要素であるl、φ、l、φの値を適宜選択決定することが出来る。
【0031】
尚、表面張力σは、温度の上昇と共に減少し、温度の下降と共に増加するので、使用環境の温度条件等の使用条件を勘案すれば良い。
【0032】
実施例では、容器について、搾るように押圧して使用する可撓性容器の場合を説明したが、エアゾール缶などの従来技術で知られる容器に全て適合可能であり、容器を限定するものではない。
【0033】
従って、整髪等に用いる塗布具などでは、ノズル部の鼻先となる先端を塗布する地肌等の部分に直接押し付けて液剤を塗布する形態としても良い。
【0034】
以上説明したように、ノズル部を構成する4要素であるl、φ、l、φを、扱う液状物に対応して適宜選択して決定できる構成としたことで、技術的、経済的に有利なノズルを提供でき、種々の容器との組合せにより、薬剤、化粧品、ペット業界、更には建築業界等の、所謂工業界を除く広範な分野の用途に応用可能である。
【0035】
【発明の効果】
以上説明したように、本発明によれば、ノズル部の構造を助走流路と段付き縮径した喉部と吐出口とで構成したことにより、扱う液状物の性状に応じて、助走流路と喉部の長さ、太さを適宜選択自在とし、不使用時の液だれを防止し、製造コストが安価で、且つ広範囲の分野で利用出来、技術的、経済的に有利なノズルを提供することが出来る。
【図面の簡単な説明】
【図1】本発明に係るノズル部の構造拡大説明図、(a)はノズルの先端口部正面図、(b)は、(a)のA−A断面図
【図2】1本のノズルを容器に装着した単体構造の例を示す全体図
【図3】本発明に係る複数本のノズル部をヘッダーを介して装着した例を示す側面図
【図4】複数本から成るノズル部にキャップを被嵌した状態を示す側面図
【図5】助走流路の先を毛細管とした場合の例を示すノズル部の断面図
【図6】助走流路1と喉部2との連結部をテーパー状とし流れの滞留する淀み点を回避する構成例を示す断面図
【符号の説明】
1 助走流路
2 喉部
3 ノズルの先端口部
3a 開口端部
4 鼻先
5 ヘッダー部
6 接続部
7 容器
8 キャップ
ノズル部
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a nozzle capable of discharging or instilling a liquid material having fluidity, and a container equipped with the nozzle.
[0002]
[Prior art]
As a conventional example, a foaming agent for hair, a detergent for glass of windows and cars, a glue for washing, and the like are known as similar ones in which the container is used with the container facing upward, and the container is used with the container facing downward. Antiperspirants, hairsprays, antistatic agents, waterproofing agents, and the like are commercially available as a type of hair restorer that presses the tip against the hair, and a container that can be used both upward and downward.
[0003]
In addition, as a known technique, (1) Japanese Patent Application Laid-Open No. Hei 7-144168 discloses an "applicator", that is, a liquid in a liquid storage chamber is pressurized and led out to a front application body via a liquid reservoir. An applicator, which has an applicator that is wide in the front-rear direction with respect to the longitudinal direction of the liquid storage chamber, and is formed at the front end of the applicator as a gap between the applicator and a holder for the applicator. A coating tool having an open air passage is disclosed. (2) Japanese Unexamined Patent Publication No. 11-206455 discloses a "hairdressing tool for attaching an aerosol can", in which the front surface of a tubular handle is opened, and comb teeth and the like are formed from the front surface of the base plate. A hairdressing device is disclosed in which a hairdressing section is provided which protrudes forward from a plurality of hairdressing elements formed in the above, and the hairdressing section is detachably fitted into the opening, and the opening is sealed by the base plate. ▼ Japanese Patent Application Laid-Open No. 2000-16470 As a `` container with '', a container body composed of a flexible outer layer and an inner layer releasably laminated on the outer layer, having an air introduction hole in the outer layer, and having a discharge port communicating with the inner layer, There is disclosed a container with an applicator having an applicator connected to a discharge port of the container body.
[0004]
[Problems to be solved by the invention]
However, in the above-described conventional examples and known techniques, neither the commercially available ones nor the ones listed as known techniques are described in terms of the configuration of the nozzle portion.
[0005]
Further, as an invention of the present applicant, the applicant filed an application for “a drug applicator for a scalp portion having hair” according to Japanese Patent Application No. 11-77723, filed on March 23, 1999. Japanese Patent Application No. 11-377777 filed on Dec. 27, 1999 by changing the title of the invention as "a liquid agent applicator to the skin having hair" and claiming priority. No.) proposed various structures of the nozzle discharge port, but as a result, the structure was complicated, the production cost was increased, the coating effect was not excellent, and there was a problem inherent in practical use.
[0006]
The present invention has been made in view of the above circumstances, and provides a nozzle having a simple nozzle structure, low manufacturing cost, and excellent versatility with excellent functions, and a container equipped with the nozzle. The purpose is to:
[0007]
[Means for Solving the Problems]
The present invention can solve the above-mentioned problems by providing the following configuration.
[0008]
(1) A throat portion having a diameter reduced so that a cross section of the flow passage becomes narrower through a stepped connecting portion in front of the flow passage, and a tip end portion of a nozzle connected to the throat is formed in a flat slit shape. The opening end (3a) of the tip mouth is formed as a concave portion for preventing liquid dripping, the throat and the tip mouth of the nozzle connected to the throat are formed as an integral capillary tube, and the approach flow path leading to the throat is formed. Nozzle characterized by providing a detachable connection portion via a header portion at an inlet portion of a liquid material to be an upstream portion of a flow via a nozzle, and arranging a plurality of the nozzles at a predetermined pitch .
[0009]
(2) The nozzle according to the above (1), wherein a connecting portion between the approach flow path and the throat is formed in a tapered frustoconical shape .
[0015]
(3) the header portion及beauty connection part you characterized in that the freely configured detachable from the container to have a function of freely pressing and squeezing deformation and spring back through the previous section (1) or (2) A container equipped with the described nozzle.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
1A and 1B are enlarged explanatory views of the structure of a nozzle portion according to the present invention, FIG. 1A is a front view of a tip end portion of a nozzle, FIG. 1B is a cross-sectional view taken along line AA of FIG. It is the whole figure which shows the example of the simple substance structure which attached the nozzle to the container. FIG. 3 is a side view showing an example in which a plurality of nozzles according to the present invention are mounted via a header. FIG. 4 is a side view showing a state in which a cap is fitted on the plurality of nozzles. Fig. 6 is a cross-sectional view of a nozzle portion showing an example in which the tip of the approach flow path is a capillary tube. FIG. 2 is a cross-sectional view showing a configuration example to be performed.
[0017]
Hereinafter, embodiments of a nozzle according to the present invention and a container equipped with the nozzle will be described.
[0018]
In FIG. 1, a throat portion 2 having a diameter reduced so that the cross section of the flow channel becomes stepped and narrower is provided in front of the flow channel, and the length l 2 of the throat portion 2 in the flow channel direction is the diameter φ of the throat portion 2. 2 and a size corresponding to the properties of the liquid material to be used, such as viscosity and / or surface tension, etc., and the approach flow path 1 (flow path length l 1 × diameter φ 1) leading to the throat 2 ), A detachable connecting portion 6 having, for example, a screw portion is provided at an inlet portion of the liquid material serving as an upstream portion of the flow, and a tip end portion 3 of the throat portion 2 has a cross section according to an application. A circular shape, a flat slit shape, or a tapered orifice shape, and the throat portion 2 and / or the tip orifice portion 3 of the throat portion are detachably fitted in a separate structure, and are connected to the throat portion 2. A curved or spherical concave portion for preventing liquid dripping is provided at the opening end 3a of the tip end portion 3 of the nozzle. In addition, the tip end portion 3 of the nozzle connected to the throat portion 2 is formed as an integral capillary tube (see FIG. 5), that is, the portion from the approach flow path 1 to the previous discharge port is formed as an integrated flow path, and adapted to the properties of the liquid material to be handled. The capillary can be configured so as to prevent dripping.
[0019]
FIG. 6 shows an example of a configuration in which the connecting portion between the entry channel 1 and the throat portion 2 is formed in a tapered frusto-conical shape to eliminate a sudden step and avoid a stagnation point where a flow stays.
[0020]
Further, the header portion 5 provided in the connecting portion 6, at least one or more of the nozzle N z as one or more rows, a plurality of arranged possible configuration, further, the nozzle part N z, the header portion 5 and / or a connection portion 6 to detachably attach to the container 7, and press the container 7 so as to squeeze the container 7 so that a desired amount of liquid can be discharged or drip-in from the tip end portion 3 of the nozzle. It is characterized by having done.
[0021]
The dimensions of each part as an example of the liquid medicine applicator to the skin having hair in this embodiment are as follows: l 2 : l 3 : l 4 = 2: 5: 1 in the length of the flow path; φ 1 in the caliber: φ 2 = 2: 1; R at the tip of the nose of the nozzle was 1R (the unit was mm).
[0022]
The cross-sectional shapes of the throat portion 2 and the approaching flow channel 1 serving as flow channels may be round, square, polygonal, star-shaped, or formed by curves, depending on the properties of the liquid material. It suffices if the flow path can be formed, and the shape of the flow path does not matter.
[0023]
In addition, the outer shape of the nose tip 4 of the nozzle is finished in a smooth spherical shape without irregularities formed by a radius of curvature R as shown in FIG. That is, the cap has a shape similar to a sphere and is configured to be fitted with a cap.
[0024]
In the case of the tip end portion 3 of the nozzle according to the present invention, the nozzle portion Nz can be attached to the container so that the nozzle portion Nz can be attached to the container in a convenient direction when used with the right hand and when used with the left hand.
[0025]
Still further, the header portion 5 may have a cylindrical shape, and a plurality of nozzle portions Nz may be radially arranged at a predetermined pitch.
[0026]
Further, as shown in FIG. 4, for example, caps 8 having a shape corresponding to the number of nozzle portions Nz can be provided.
[0027]
This cap 8 can of course be configured to be applicable even in the case of a single structure as shown in FIG.
[0028]
In addition, each element such as the length l 1 and the diameter φ 1 of the approach channel 1 and the length l 2 and the diameter φ 2 of the throat 2 which are important points of the present invention are properties of the liquid material to be treated, particularly What is necessary is just to determine appropriately and selectively in accordance with the viscosity (viscosity), density, surface tension, flow rate, etc. and in correlation with the above four elements l 1 , φ 1 , l 2 , φ 2 .
[0029]
As the reference value, for example, the surface tension σ (sigma) of water in air at normal temperature (20 ° C.) is 72.75 mN / m = 72.75 × 10 −3 N / m (m-kg / s 2 ) ( (Handbook of Mechanical Engineering, edited by the Japan Society of Mechanical Engineers), and therefore, may be selected based on this value.
[0030]
That is, handled Knowing that properties of the liquid substance, l 1 is the four elements of the nozzle portion N z according to the present invention, φ 1, l 2, φ 2 values can be appropriately selected and determined.
[0031]
Since the surface tension σ decreases as the temperature rises and increases as the temperature decreases, it is sufficient to take into consideration the use conditions such as the temperature conditions of the use environment.
[0032]
In the embodiment, the case of the container is described as a flexible container which is used by pressing so as to squeeze.However, it is applicable to all containers known in the prior art such as an aerosol can, and does not limit the container. .
[0033]
Therefore, in the case of an applicator used for hair styling or the like, the liquid agent may be applied by directly pressing the tip, which is the nose tip of the nozzle portion, onto a portion such as the skin to be applied.
[0034]
As described above, the four elements l 1 , φ 1 , l 2 , and φ 2 constituting the nozzle portion can be appropriately selected and determined in accordance with the liquid material to be handled, thereby providing technical and technical advantages. An economically advantageous nozzle can be provided, and in combination with various containers, can be applied to a wide range of applications other than the so-called industrial industry, such as the pharmaceutical, cosmetic, pet, and construction industries.
[0035]
【The invention's effect】
As described above, according to the present invention, the structure of the nozzle portion is constituted by the approach flow path, the stepped reduced-diameter throat, and the discharge port. The length and thickness of the throat and the throat can be selected as appropriate to prevent dripping when not in use, to provide a nozzle that is inexpensive to manufacture, can be used in a wide range of fields, and is technically and economically advantageous. You can do it.
[Brief description of the drawings]
FIG. 1 is a structural enlarged explanatory view of a nozzle portion according to the present invention, (a) is a front view of a tip end portion of the nozzle, and (b) is a cross-sectional view taken along line AA of (a). FIG. 3 is a general view showing an example of a single unit structure in which a plurality of nozzles according to the present invention are mounted via a header. FIG. 4 is a side view showing an example in which a plurality of nozzles according to the present invention are mounted via a header. FIG. 5 is a cross-sectional view of a nozzle showing an example in which the tip of the approach channel is a capillary tube. FIG. 6 is a tapered connection between the approach channel 1 and the throat 2. Sectional drawing showing an example of a configuration that avoids stagnation points where the flow stays in the shape of a flow.
DESCRIPTION OF SYMBOLS 1 Run-in flow path 2 Throat part 3 Nozzle tip mouth part 3a Open end part 4 Nose tip 5 Header part 6 Connection part 7 Container 8 Cap Nz nozzle part

Claims (3)

流路の前方に流路断面が段付きの連結部を介して狭小となるように縮径した喉部を有し、該喉部につながるノズルの先端口部を偏平なスリット状に形成し、この先端口部の開口端部(3a)を液だれ防止用の凹部となし、前記喉部及び喉部につながるノズルの先端口部を一体の毛細管とし、前記喉部に通ずる助走流路を介して流れの上流側部位となる液状物の入口部にヘッダー部を介して着脱自在の接続部を設け、且つ前記ノズルを所定のピッチで複数本配設して成ることを特徴とするノズル。In front of the flow path, a cross section of the flow path has a throat portion reduced in diameter so as to be narrowed through a stepped connecting portion, and a tip end portion of a nozzle connected to the throat portion is formed in a flat slit shape, The opening end (3a) of the distal end portion is formed as a concave portion for preventing liquid dripping, and the throat portion and the distal end portion of the nozzle connected to the throat portion are formed as an integral capillary tube , via a run-through channel leading to the throat portion. A nozzle, comprising : a liquid inlet serving as an upstream portion of a flow; a detachable connecting portion provided via a header portion at a liquid inlet ; and a plurality of the nozzles arranged at a predetermined pitch . 助走流路と喉部の連結部をテーパー状の截頭円錐形としたことを特徴とする請求項1記載のノズル。 2. The nozzle according to claim 1, wherein a connecting portion between the approach passage and the throat is formed in a tapered frustoconical shape . 前記ヘッダー部及び接続部を介して押し絞り変形・スプリングバック自在の機能を有する容器に対し着脱自在の構成としたことを特徴とする請求項1または2記載のノズルを装着した容器。Container equipped with a nozzle according to claim 1, wherein it has a detachable structure relative to the container to have a function of freely pressing and squeezing deformation and spring back through the header portion及beauty connection part .
JP2001233637A 2001-08-01 2001-08-01 Nozzle and container equipped with the nozzle Expired - Fee Related JP3580501B2 (en)

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JP3580501B2 true JP3580501B2 (en) 2004-10-27

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006111319A (en) * 2004-10-15 2006-04-27 Toyo Seikan Kaisha Ltd Suck-back nozzle
KR101311996B1 (en) * 2012-08-27 2013-09-27 조우형 Air gun

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