WO2008001781A1 - hotte de pulvérisation et pulvérisateur - Google Patents

hotte de pulvérisation et pulvérisateur Download PDF

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Publication number
WO2008001781A1
WO2008001781A1 PCT/JP2007/062821 JP2007062821W WO2008001781A1 WO 2008001781 A1 WO2008001781 A1 WO 2008001781A1 JP 2007062821 W JP2007062821 W JP 2007062821W WO 2008001781 A1 WO2008001781 A1 WO 2008001781A1
Authority
WO
WIPO (PCT)
Prior art keywords
hood
sprayer
main body
liquid
hood main
Prior art date
Application number
PCT/JP2007/062821
Other languages
English (en)
Japanese (ja)
Inventor
Takeshi Muraki
Shingo Katayama
Original Assignee
Kobayashi Pharmaceutical 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 Kobayashi Pharmaceutical Co., Ltd. filed Critical Kobayashi Pharmaceutical Co., Ltd.
Publication of WO2008001781A1 publication Critical patent/WO2008001781A1/fr

Links

Classifications

    • 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
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • B65D83/30—Nozzles, nozzle fittings or accessories specially adapted therefor for guiding the flow of spray, e.g. funnels, hoods

Definitions

  • the present invention relates to a sprayer hood that is attached to a position facing a spray port of a sprayer to limit a sprayed region of the spray and a sprayer to which the hood is attached.
  • This type of sprayer hood is used in various fields in order to cause a sprayed product from the sprayer to reach an object in a concentrated manner.
  • it is used in applications such as spraying deodorants and fragrances on clothes, spraying glue in the form of a mist, spraying chemicals on horticultural plants, spraying moisturizing agents on target areas, and the like.
  • These sprayer hoods generally have a cylindrical shape, funnel shape or the like that delimits the sprayed area of the spray from the spray port, and a small end facing the spray port at the attachment end to the sprayer. A hole is provided and the other end is open (see, for example, Patent Document 1).
  • This sprayer hood is used in such a manner that it is attached to the sprayer by the attachment end, and the open end is applied to the object S or approached to perform the spraying operation.
  • the mist-like propellant is sprayed onto the object in a concentrated manner in the area surrounded by the hood that does not dissipate over a wide area.
  • Patent Documents 2 and 3 In order to cope with this, there has been proposed a structure for holding droplets adhering to the inner surface of the hood for a sprayer (for example, Patent Documents 2 and 3).
  • the sprayer hood described in Patent Document 2 has a liquid storage groove recessed along the inner side of the hood at the part located on the lower side of the hood (the lower side of the hood when the center line from the mounting end toward the open end is horizontal).
  • the liquid droplets flowing down are collected in the liquid accumulation groove to prevent the liquid droplets from falling out of the hood.
  • the sprayer hood disclosed in Patent Document 3 has a sponge or non-stick on the entire circumference of the open end (tip opening) of the hood.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2004-34006
  • Patent Document 2 JP 2005-239274 A
  • Patent Document 3 Japanese Unexamined Patent Publication No. 2005-270823
  • the sprayer hood described in Patent Document 2 has a liquid storage groove only on the lower side of the hood, and the liquid storage groove has an injection direction when the hood is attached.
  • the liquid storage groove When horizontal, it is provided so as to be recessed from the inner surface of the hood substantially vertically downward (that is, substantially perpendicular to the center line toward the open end of the hood mounting end). Therefore, when the open end of the hood is tilted downward, especially when the hood is tilted until the surface of the open end is horizontal or close to this, the liquid in the liquid pool groove spills out.
  • the hood for a sprayer of Patent Document 3 is provided with a liquid absorbing member at the open end of the hood, when spraying with the open end applied to an object, the hood can be used with the open end facing downward. If placed, the problem is that the absorbed liquid adheres to the object and the installation surface.
  • the present invention solves these problems of the prior art, reliably prevents droplets from dropping from the hood, and does not cause liquid adhesion even when the hood contacts an object or installation surface.
  • An object of the present invention is to provide a food hood and a sprayer equipped with the hood.
  • the present invention is a sprayer hood that is attached to a position facing a spray port of a sprayer and restricts a spray region of the spray, and includes a mounting portion for the sprayer and a spray port
  • a hood main body extending so as to define the scattering region with the facing position as a base end, and a liquid reservoir portion provided on a distal end side of the hood main body, the liquid reservoir portion from a distal end side portion of the hood main body Bends inward and has a folding wall that extends to the base end side of the hood main body with respect to the plane connecting the front end of the hood main body, and extends in the direction along the front edge of the hood main body.
  • the present invention provides a sprayer hood characterized in that an annular groove is formed (invention).
  • the present invention is characterized in that the sprayer hood according to the invention 1 is attached by the attachment portion in order to limit a sprayed region of the ejected matter from the injection port.
  • a nebulizer is provided (Invention 2).
  • the above-mentioned "spraying region of the projectile” includes a region (injection region) directly ejected from the ejection port and a region (diffusion region) in which the projectile is diffused by being affected by the object or air current. .
  • annular groove extending in the direction along the front edge of the hood body means that the annular groove extends in a direction along the front edge of the hood body as a whole, and the front edge is bent in a wave shape or the like.
  • annular annular groove along a line connecting the peaks of the bent shape and a center line, and an annular groove having a shape close thereto are also included.
  • a hood body extending so as to define a scattering region with a position facing the injection port as a base end includes a liquid reservoir at a tip side portion of the hood body,
  • the liquid reservoir is provided with a folding wall that bends inward from the distal end portion of the hood main body and extends toward the proximal end of the hood main body with respect to a plane connecting the distal end portions of the hood main body.
  • the folded wall forms an annular groove extending in the direction along the front edge of the hood body.
  • the liquid droplets flowing down along the inner surface of the hood are held in the liquid reservoir, and are prevented from falling out of the hood.
  • the open end of the hood is tilted downward while the liquid has accumulated in the liquid reservoir, especially when the hood is tilted until the open end surface is horizontal or close to this, Since the liquid is held on the folded wall, it is surely prevented from spilling from the annular groove.
  • the liquid is held by being blocked by the folded wall with respect to the outside, there is no problem of the liquid adhering to the target object or the installation surface as it is held by the liquid absorbing member.
  • the sprayer hood is attached by the mounting portion in order to limit the spray region of the sprayed material from the spraying port.
  • FIG. 1 is a longitudinal sectional view showing a state in which the sprayer hood according to one embodiment of the present invention is mounted on an aerosol sprayer
  • FIG. 2 is a longitudinal section showing a state in which the sprayer hood is removed.
  • This sprayer 100 has an operation button 102 attached to the upper part of a container body 101 containing a chemical solution. When the button 102 is depressed, the valve opens to make the chemical solution mist by the internal pressure of the container, and the spray port of the button. Injected from 102a. With respect to this embodiment, for the sake of explanation, the injection direction from the sprayer 100 will be referred to as the front.
  • a substantially hemispherical cover 104 and a mountain cup 105 at the center thereof are closed at the top of the bottomed cylindrical trunk 103, and the top of the trunk 103, the cover 104, and the force bar. 104 and the mountain cup 105 are joined together by fastening portions 103a and 104a. Further, a cap 106 that fits into the tightening portion 103 a and surrounds the button 102 is attached to the upper portion of the container body 101.
  • the cap 106 has a through-hole 106a through which the button 102 passes loosely in the center, and an opening 106b is formed at a position where the injection port 102a of the button 102 faces, and on the opposite side in the radial direction, a finger is received during operation.
  • a notch 106 c opened upward is formed.
  • a connecting portion 110 for connecting a sprayer hood described below is provided on the opening portion 106b side.
  • Fig. 3 shows a hood 1 for a sprayer
  • (a) is a horizontal cross-sectional view, corresponding to a cross section taken along line A-A in (b), and (b) in arrow B in (a). It is the side view seen from the direction.
  • the sprayer hood 1 includes a mounting portion 10 coupled to the coupling portion 110, a hood main body 20 extending so as to define a spraying region of a sprayed object with a position facing the ejection port 102a as a base end, And a liquid reservoir 30 provided at the front end side of the hood body.
  • the hood body 20 has a shape that expands in a funnel shape from the proximal end portion to the distal end side.
  • the attachment portion 10 includes a small tube portion 11 extending from the base end of the hood main body 20 and a base end portion on the side wall of the hood main body 20.
  • a pair of legs 12 extending in parallel with each other across the small tube portion 11
  • FIG. 4 shows the cap 106, where (a) is a front view, (b) is a longitudinal sectional view, (c) is a rear view, and (d) is a bottom view.
  • the coupling part 110 of the cap 106 corresponds to the attachment part 10 of the hood 1 and extends forward from a position surrounding the opening 106b, and receives the receiving cylinder 111 closely fitted to the small cylindrical part 11, and both sides of the receiving cylinder 111. And a recess 112 for receiving the leg 12 is formed.
  • the pair of leg portions 12 are provided with locking projections 12a projecting radially outward at their tips, and locking grooves 112a for receiving the locking projections 12a are formed on the side walls of the concave portions 112.
  • a protrusion 106d is provided at an interval to be locked when the cap 106 is fitted to the tightening portion 103a and to hold the fitting state of the cap 106.
  • the liquid reservoir 30 is formed by a ring 30a fitted to the front end edge of the hood main body 20 as shown in the vertical cross section in FIG. 5 (a) and FIG.
  • the hood body 20 has a receiving portion for the ring 30a at the tip of the funnel-shaped portion 21. That is, an outer cylindrical portion 22 parallel to the central axis extends from the funnel-shaped portion 21, and an outward flange 23 is provided at the end edge thereof.
  • an inner cylinder part 24 is formed in a body-like manner at a distance from the outer cylinder part 22 on the radially inner side of the outer cylinder part 22.
  • the ring 30a has a fitting portion corresponding to the receiving portion. That is, as shown in an enlarged view in FIG. 5 (b) and FIG. 6, the ring 30a includes an annular tip wall 33 along a plane parallel to the tip opening edge of the hood body 20, and an outer portion of the tip wall 33. It has a double structure including a fitting wall 31 that is short and extends in a cylindrical shape and a rear wall 32 that extends in the same direction as the inner partial force fitting wall 31 of the tip wall 33. The rear wall 32 is a distance from the fitting wall 31 so as to form a liquid reservoir space with the inner cylinder portion 24 in a state where the fitting wall 31 is inserted into the tip of the hood body 20. It extends.
  • the rear wall 32 is composed of a rising portion 32a from the tip wall 33 and an extension portion 32b which is located inward in the radial direction through the stepped portion and extends substantially parallel to the fitting wall 31. ing.
  • the fitting wall 31 is tightly inserted between the outer cylindrical portion 22 and the inner cylindrical portion 24 of the hood body 20, and the inner cylindrical portion 24 is tightly inserted between the fitting wall 31 and the rising portion 32a. It is the size to be inserted. Further, a minute protrusion 31a is provided on the outer surface so as to ensure the holding in the inserted state.
  • the front end wall 33 extends from the front end edge of the hood main body 20 by bending to the inside of the hood main body, and the rear wall 32 It extends to the base end side of the hood main body 20 so as to form an angle of 90 ° with respect to a plane P (FIG. 6) connecting the distal ends of the hood main body 21, and is positioned parallel to the central axis CL of the hood main body 20.
  • the front wall 33 and the rear wall 32 form a folded wall 35, and the folded wall constitutes the liquid reservoir 30. Since the folding wall 35 continuously extends in an annular shape along the hood main body edge, an annular groove 34 is formed between the inner wall portion 24 and the hood main body edge.
  • the sprayer hood 1 can be used as follows. With the cap 106 attached to the sprayer 100, the small cylinder part 11 and the leg part 12 of the hood body 20 are engaged with the receiving cylinder 111 and the recess 112 of the coupling part 110, and the hood 1 is attached to the cap 106. In this state, like the conventional sprayer with a hood, the object in the container body may be jetted by placing or approaching the object and pressing the button 102. If the spray lasts for a long period of time, or if the propellant is in the form of a high-density mist, the propellant may adhere to the inner surface of the hood and become droplets, which may be large.
  • the droplets that have moved along the inner surface of the hood accumulate in the liquid reservoir 30 and are prevented from dropping from the hood.
  • the liquid reservoir 30 forms an annular groove along the front edge of the hood body by the folding wall 35, the liquid drop prevention effect is effective over the entire circumference around the injection direction from the injection port 102a. can get.
  • the folding wall 35 of the liquid reservoir 30 bends inward of the hood main body, and the rear wall 32 forms an angle of 90 ° with respect to the plane connecting the tip of the hood main body 20. Even if the hood is inclined until the open end of the hood 1 is inclined downward, especially when the open end surface is horizontal or close to this, the liquid in the liquid reservoir 30 is extended to the base end side. There is no spillage.
  • the folding wall 35 (particularly the inner surface thereof) does not necessarily need to form an angle of 90 ° with respect to the plane P connecting the front ends of the hood body. As illustrated, it suffices that at least the distance dl between the plane P and the most proximal portion is folded back to be larger than the distance d2 between the plane P and the most distal portion.
  • the position where the folding wall is provided is not limited to the tip of the hood body, but is located closer to the tip than the droplet generation range. What is necessary is just to provide in a hood main body so that it may place.
  • the cross-sectional shape of the folded wall can be various forms such as a linearly extending shape, an arc shape by a curve, a combination of these, and a bowl shape.
  • the shape of the hood body is set so as not to prevent the injection of the injection and to prevent unnecessary diffusion. Therefore, most of the ejected matter is directed to the object, and the amount of droplets generated by the ejection is not so large, so that the droplets are prevented from falling at least in the folded state.
  • the liquid accumulated in the liquid reservoir 30 vaporizes with time and disappears when the propellant is volatile.
  • the propellant is non-volatile, the accumulated liquid is appropriately cleaned and removed.
  • the liquid reservoir has a fitting structure as in this embodiment and is detachable from the hood body, it is convenient because the liquid reservoir can be removed and cleaned.
  • the hood 1 can also be provided with a backflow prevention groove 26 near the base end, as shown by a one-dot chain line in FIG.
  • the backflow prevention groove 26 includes an annular mounting wall 26a that is fixed to the inner surface of the hood main body 20 by adhesion or the like, and an annular liquid receiving wall 26b that is bent from the mounting wall to the hood tip side.
  • the liquid in the section 30 or the liquid drop force on the front end side of the hood main body 20 is designed to receive the liquid when it flows to the hood base end side.
  • the liquid receiving wall 26b of the backflow prevention groove 26 protrudes inward from the hood main body 20 and extends to the front end side of the hood main body 20 (mounting wall 26a) with respect to the plane connecting the front end of the hood main body 20. desirable.
  • FIG. 8 shows a sprayer 100 equipped with the hood 1 according to the above embodiment
  • a deodorizing composition comprising ethanol (25% by weight), a surfactant-based deodorant (5% by weight) and a liquefied puffer gas (70% by weight) was used.
  • the sprayer 100 was held upright and sprayed horizontally through the hood 1 and sprayed on a paper towel placed at a predetermined distance L for a predetermined time. Immediately thereafter, the sprayer was tilted 90 ° so that the open side of the hood was horizontal. At this time, the presence or absence of a drop from the hood 1 was examined. The results are shown in Table 1.
  • the hood body can have various shapes such as a tubular shape in addition to the funnel shape shown in the above embodiment, and the cross-sectional shape perpendicular to the injection direction can be a circle, an ellipse, a square, etc. It can be.
  • the liquid reservoir and the hood main body can have various coupling structures such as screwing or adhesion.
  • it can be integrally formed during manufacture, and the folded wall can be folded when molded, or it can be folded over by bending force after it is formed on the extension of the hood body.
  • the hood and cap can be formed as a single piece.
  • the joint force between the hood and the cap corresponds to the attachment part of the hood to the sprayer.
  • the sprayer may be of various types such as an aerosol type, a type equipped with a hand pump unit, and a squeeze bottle type jetting with a gripping force.
  • FIG. 1 is a longitudinal sectional view showing a state in which a sprayer hood according to an embodiment of the present invention is attached to an aerosol sprayer.
  • FIG. 2 is a longitudinal sectional view showing the state shown in FIG. 1 with the sprayer hood removed from the sprayer.
  • FIG. 3 shows the hood shown in FIG. 1, where (a) is a longitudinal sectional view and (b) is a side view.
  • FIG. 4 The cap of the sprayer shown in Fig. 1 is shown, (a) is a front view, (b) is a longitudinal sectional view, (c
  • FIG. 5 shows a liquid reservoir of the hood shown in FIG. 1, (a) is a longitudinal sectional view, and (b) is an enlarged view of a part thereof.
  • FIG. 6 is an enlarged sectional view showing a fitting structure between the hood main body and the liquid reservoir in the hood shown in FIG.
  • FIG. 7 is an enlarged cross-sectional view showing a fitting structure of a different form from FIG.
  • FIG. 8 is an explanatory diagram of an example using the sprayer shown in FIG. 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne une hotte de pulvérisation dans laquelle on empêche de manière fiable la chute de gouttes de liquide depuis la hotte et, même si la hotte vient à être en contact avec un objet ou une surface de placement, le liquide ne va pas y adhérer, et un pulvérisateur possédant une telle hotte. La hotte présente une section d'installation (10) pour installation sur un pulvérisateur, un corps de hotte (20) s'étendant pour définir une plage de projection d'un objet éjecté avec une position faisant face à une ouverture d'éjection du pulvérisateur comme extrémité de base de l'extension, et une section contenant un liquide (30) disposée au niveau du côté d'extrémité avant du corps de hotte. La section contenant un liquide est recourbée vers l'intérieur du corps de hotte à partir d'une partie donnée au niveau du côté d'extrémité avant du corps de hotte (20), possède une paroi arrière repliée (35) s'étendant vers le côté d'extrémité de base du corps de hotte à partir d'un plan passant par l'extrémité avant du corps de hotte. La section contenant un liquide forme une rainure annulaire (34) s'étendant le long du bord de l'extrémité avant du corps de hotte.
PCT/JP2007/062821 2006-06-29 2007-06-26 hotte de pulvérisation et pulvérisateur WO2008001781A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006180315A JP4986514B2 (ja) 2006-06-29 2006-06-29 噴霧器用フード及び噴霧器
JP2006-180315 2006-06-29

Publications (1)

Publication Number Publication Date
WO2008001781A1 true WO2008001781A1 (fr) 2008-01-03

Family

ID=38845545

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/062821 WO2008001781A1 (fr) 2006-06-29 2007-06-26 hotte de pulvérisation et pulvérisateur

Country Status (2)

Country Link
JP (1) JP4986514B2 (fr)
WO (1) WO2008001781A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018191610A (ja) * 2017-05-19 2018-12-06 株式会社Ｑｕｅｅｎ Ｂｅｅ Ａｎｄ Ｄｒｏｎｅ 空中移動式薬剤噴霧装置
JP6976608B1 (ja) * 2020-06-02 2021-12-08 株式会社Ｙｏｏコーポレーション 吊り革の溶液塗装方法及び吊り革の溶液塗装器具

Citations (9)

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Publication number Priority date Publication date Assignee Title
JPS4744083B1 (fr) * 1968-12-02 1972-11-07
JPS539365U (fr) * 1976-07-09 1978-01-26
JPS57197063A (en) * 1981-05-29 1982-12-03 Sumitomo Rubber Ind Ltd Apparatus for coating floor surface
JPH07543U (ja) * 1993-06-10 1995-01-06 嚴一 佐藤 霧状体微量供給装置
JP2003181330A (ja) * 2001-12-13 2003-07-02 Fujimori Gijutsu Kenkyusho:Kk 液体微粒子発生用ノズル
JP2004201487A (ja) 2002-11-28 2004-07-15 Nsk Ltd モータ及びその駆動制御装置
JP2005020930A (ja) 2003-06-27 2005-01-20 Mitsubishi Electric Corp 永久磁石式回転電機
JP2006158198A (ja) 2002-11-28 2006-06-15 Nsk Ltd モータ駆動制御装置及び電動パワーステアリング装置
JP2006208141A (ja) 2005-01-27 2006-08-10 Nippon Kurin Gauge Kk 高温液体の液面検知装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1828463A (en) * 1929-12-06 1931-10-20 Morgan J Hammers Means for restricting atomized fluid discharge
JPS5070513U (fr) * 1973-10-31 1975-06-21
JPS62170167U (fr) * 1986-04-15 1987-10-28
US5360165A (en) * 1992-09-28 1994-11-01 Singhal Tara C Spray paint nozzle and nozzle shroud
JP2000254227A (ja) * 1999-03-10 2000-09-19 Suisei Kogyo Kk 洗浄装置

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4744083B1 (fr) * 1968-12-02 1972-11-07
JPS539365U (fr) * 1976-07-09 1978-01-26
JPS57197063A (en) * 1981-05-29 1982-12-03 Sumitomo Rubber Ind Ltd Apparatus for coating floor surface
JPH07543U (ja) * 1993-06-10 1995-01-06 嚴一 佐藤 霧状体微量供給装置
JP2003181330A (ja) * 2001-12-13 2003-07-02 Fujimori Gijutsu Kenkyusho:Kk 液体微粒子発生用ノズル
JP2004201487A (ja) 2002-11-28 2004-07-15 Nsk Ltd モータ及びその駆動制御装置
JP2006158198A (ja) 2002-11-28 2006-06-15 Nsk Ltd モータ駆動制御装置及び電動パワーステアリング装置
JP2005020930A (ja) 2003-06-27 2005-01-20 Mitsubishi Electric Corp 永久磁石式回転電機
JP2006208141A (ja) 2005-01-27 2006-08-10 Nippon Kurin Gauge Kk 高温液体の液面検知装置

Also Published As

Publication number Publication date
JP2008007167A (ja) 2008-01-17
JP4986514B2 (ja) 2012-07-25

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