KR101214338B1 - Nozzle for fountain - Google Patents

Nozzle for fountain Download PDF

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Publication number
KR101214338B1
KR101214338B1 KR1020120081285A KR20120081285A KR101214338B1 KR 101214338 B1 KR101214338 B1 KR 101214338B1 KR 1020120081285 A KR1020120081285 A KR 1020120081285A KR 20120081285 A KR20120081285 A KR 20120081285A KR 101214338 B1 KR101214338 B1 KR 101214338B1
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KR
South Korea
Prior art keywords
nozzle
valve body
valve
valve member
fountain
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Application number
KR1020120081285A
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Korean (ko)
Inventor
민병찬
강진규
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한밭대학교 산학협력단
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Priority to KR1020120081285A priority Critical patent/KR101214338B1/en
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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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3013—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve
    • B05B1/302—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a lift valve with a ball-shaped valve member
    • 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
    • B05B1/22—Spouts
    • 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
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3006—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being actuated by the pressure of the fluid to be sprayed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
    • B05B17/08—Fountains

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  • Nozzles (AREA)
  • Special Spraying Apparatus (AREA)

Abstract

PURPOSE: A fountain nozzle is provided to simplify a structure of valve member which stops water when a pump is stopped. CONSTITUTION: A fountain nozzle comprises a nozzle body(10), a valve body(20) and a valve member(50). The nozzle body has discharge holes(11) which are connected in the vertical direction in the inner center. An exhaustion body includes water supply holes which are connected in the vertical direction in the inner center and combined in a screw type with the nozzle body. The valve member is located between the nozzle body and the valve body. The valve member comprises a valve body(51), a guide ring(52) and a plurality of connecting bars(53). The lower-surface of the valve body is in a hemi spherical shape.

Description

분수 노즐{Nozzle for fountain}Nozzle for fountain

본 발명은 분수 노즐에 관한 것으로, 더욱 상세하게는 펌프의 정지시 물을 차단해주는 밸브부재의 구조를 단순화하여 제조원가를 절감하고, 분수노즐의 제조시 작업성을 향상시키며, 분수노즐의 크기를 축소할 수 있도록 한 것이다.The present invention relates to a fountain nozzle, and more particularly, to simplify the structure of the valve member that blocks the water when the pump is stopped, to reduce the manufacturing cost, to improve the workability in the manufacturing of the fountain nozzle, and to reduce the size of the fountain nozzle It is to be done.

주지하다시피, 분수는 강한 수압으로 노즐을 통해 물을 위로 세차게 내뿜거나 뿌리도록 만든 인공설비로서, 각종 공원이나 행사장에 주로 설치되어 환상적인 광경을 연출함으로써 나들이 나온 시민들의 눈을 즐겁게 하는 것이다.As is well known, fountains are artificial facilities designed to flush or sprinkle water through nozzles with strong water pressure. They are installed in various parks and events and create fantastic sights to entertain the eyes of outgoing citizens.

또한, 최근에는 분수를 여러 개 설치하고 음악에 맞추어 각각의 분수가 음성신호에 따라 개별적으로 작동되게 하여 마치 춤을 추는 듯한 광경을 연출하는 음악분수가 등장하여 각광을 받고 있으며, 바닥에 다양한 패턴으로 분수를 설치하여 어린이 또는 연인들에게 뛰놀면서 분수를 통해 뿜어져 나오는 물줄기를 직접 맞을 수 있는 공간을 제공하는 등 다양한 시도가 이루어지고 있다.Also, recently, several fountains have been installed and each fountain is operated individually according to a voice signal, so that a fountain of music is produced, which is like dancing. Various attempts have been made, such as installing fountains to play with children or lovers while allowing them to directly hit the streams of water that flow through them.

이와 같은 분수를 구현하기 위해 물줄기를 분사하는 분수노즐은 도 1 및 도 2에 도시한 바와 같이, 중앙에 배출공(11)을 갖는 노즐몸체(10)에 밸브몸체(20)가 결합되어 이루어지는데, 밸브몸체(20)의 중간부까지 상하방향으로 급수공(21)이 형성되고, 밸브몸체(20)의 상면으로부터 안쪽의 급수공(21) 상단부까지 라운드진 가이드면(22)이 형성되어 여기에 볼(30)이 얹혀지며, 노즐몸체(10)의 내하부에는 십자형상의 분배판(40)이 끼워지고, 분배판(40)의 하면에도 볼(30)과 접촉하는 라운드진 가이드면(41)이 형성되어 물이 급수공(21)을 통해 급수되면 그 수압에 의해 볼(30)이 상방향으로 밀리다가 분배판(40) 하면의 라운드진 가이드면(41)에 의해 분배판(40) 하면 중앙에 위치되고, 물은 십자형상의 분배판(40) 사이사이를 통과하여 노즐몸체(10)의 배출공(11)을 통해 외부로 분사되는 것이며, 펌프 구동이 중단되면 수압이 떨어지면서 상부에 있던 볼(30)이 하강하여 밸브몸체(20)의 급수공(21)을 막아 더 이상 물이 외부로 배출되지 않게 되는 것이다.As shown in FIGS. 1 and 2, the fountain nozzle for spraying the water stream to realize the fountain is formed by coupling the valve body 20 to the nozzle body 10 having the discharge hole 11 at the center thereof. The water supply hole 21 is formed in the vertical direction up to the middle of the valve body 20, and the guide surface 22 rounded from the upper surface of the valve body 20 to the upper end of the internal water supply hole 21 is formed. The ball 30 is placed on the inner surface of the nozzle body 10, the cross-shaped distribution plate 40 is fitted, the rounded guide surface 41 in contact with the ball 30 also on the lower surface of the distribution plate 40 When water is supplied through the water supply hole 21, the ball 30 is pushed upward by the water pressure, and then the distribution plate 40 is formed by the rounded guide surface 41 on the lower surface of the distribution plate 40. It is located in the center of the lower surface, the water passes between the cross-shaped distribution plate 40 between the discharge hole 11 of the nozzle body 10 to the outside When the pump stops driving, the water pressure drops and the ball 30 in the upper portion is lowered to block the water supply hole 21 of the valve body 20 so that water is no longer discharged to the outside.

그러나, 상기한 바와 같은 일반적인 분수노즐은 물을 분사하거나 차단해주는 밸브부재가 볼로 되어 있고, 볼의 위치를 제한해주는 십자 형상의 분배판이 별도로 필요한 것이어서 부품이 필요이상 많아 각 부품에 소요되는 비용이 증가할 수밖에 없으며, 노즐몸체에 분배판이 끼워질 수 있는 홈이 필요한 것이므로 노즐몸체의 길이가 필요 이상 길어질 수밖에 없고, 또한 분배판을 노즐몸체에 조립할 때 분배판의 날카로운 하면에 손가락을 찔릴 수 있는 등 안전성이 떨어지는 문제가 있었다.However, the general fountain nozzle as described above has a valve member that sprays or blocks water, and a cross-shaped distribution plate that restricts the position of the ball is needed separately. In addition, the nozzle body requires a groove into which the distribution plate can be fitted, so the length of the nozzle body must be longer than necessary. There was a problem falling.

본 발명은 이러한 점을 감안하여 제안된 것으로, 펌프의 정지시 물을 차단해주는 밸브부재의 구조를 단순화하여 제조원가를 절감하고, 분수노즐의 제조시 작업성 및 안전성을 향상시키며, 분수노즐의 크기를 축소할 수 있도록 한 분수 노즐을 제공하고자 하는 것이다.The present invention has been proposed in view of such a point, and reduces the manufacturing cost by simplifying the structure of the valve member that blocks the water when the pump is stopped, improves the workability and safety when manufacturing the fountain nozzle, and improves the size of the fountain nozzle. We want to provide a fractional nozzle that can be shrunk.

상기 기술적 과제를 이루기 위한 본 발명에 따른 분수 노즐은,Fountain nozzle according to the present invention for achieving the above technical problem,

내부 중앙에 상하방향으로 통하는 배출공(11)을 갖는 노즐몸체(10)와, 내부 중앙에 상하방향으로 통하는 급수공(21)을 구비하며 상기 노즐몸체(10)와 나사식으로 결합되는 밸브몸체(20)와, 상기 노즐몸체(10)와 상기 밸브몸체(20)의 사이에 위치되어 물을 배출 또는 차단해주는 밸브부재(50)로 구성된 분수노즐로서,A valve body having a nozzle body (10) having a discharge hole (11) in the vertical direction in the inner center, and a water supply hole (21) in the vertical direction in the inner center and screwed to the nozzle body (10) And a fountain nozzle composed of a valve member 50 positioned between the nozzle body 10 and the valve body 20 to discharge or block water.

상기 밸브부재(50)는,하면이 반구형인 밸브체(51)와, 밸브체(51)의 상단부에 동심원상으로 위치되는 가이드링(52)과, 밸브체(51)와 가이드링(52)을 연결해주는 다수의 연결대(53)로 이루어지고,The valve member 50 includes a valve body 51 having a hemispherical bottom surface, a guide ring 52 located concentrically on an upper end of the valve body 51, a valve body 51, and a guide ring 52. Consists of a plurality of connecting rods 53 to connect,

상기 밸브부재(50)의 가이드링(52)이 승하강할 수 있도록 노즐몸체(10)의 내하부에는 가이드면(12)이 형성된 것을 특징으로 한다.A guide surface 12 is formed on the inner lower portion of the nozzle body 10 so that the guide ring 52 of the valve member 50 can move up and down.

또한, 상기 밸브몸체(20)에도 그 상면으로부터 안쪽의 급수공(21)까지 라운드진 가이드면(22)이 추가로 형성되는 것이 바람직하다.In addition, it is preferable that the valve body 20 is further formed with a guide surface 22 rounded from the upper surface to the inner water supply hole 21.

또한, 상기 가이드링(52)과 밸브체(51)는 각 부품을 별도로 구성하여 연결대(53)를 통해 용접과 같은 방법으로 고정되는 것도 바람직하다.In addition, the guide ring 52 and the valve body 51 may be fixed by a method such as welding through the connecting rod 53 by configuring each component separately.

또한, 상기 가이드링(52)과 밸브체(51)는 다이캐스팅에 의하여 한 번의 공정으로 단일 몸체로 형성된 것도 가능하다.In addition, the guide ring 52 and the valve body 51 may be formed as a single body in a single process by die casting.

본 발명은 노즐몸체와 밸브몸체의 사이에 위치되는 밸브부재가 하나의 부품으로 이루어지고, 또 밸브부재가 승하강할 수 있도록 노즐몸체에 가이드면이 형성되는 것이므로 밸브부재가 승하강하면서 물을 분사하거나 차단해줄 수 있어 분수 노즐로서의 기능은 충분히 수행할 수 있는 것이며, 밸브부재의 구조가 매우 단순해지게 되어 제조원가를 절감할 수 있음은 물론 분수 노즐의 제조시 작업성이 향상되며, 뾰족한 구조의 분배판이 필요없게 되므로 작업시 안전성을 도모할 수 있고, 노즐몸체에 분배판이 삽입되는 공간이 필요없게 되므로 분수 노즐 전체의 부피를 축소할 수 있는 이점도 있게 된다.According to the present invention, since the valve member positioned between the nozzle body and the valve body is formed of one part, and a guide surface is formed on the nozzle body so that the valve member can move up and down, the valve member moves up and down to spray water. It can cut off the function as a fountain nozzle, so that the function of the fountain member becomes very simple, and the manufacturing cost can be reduced, as well as the workability of the fountain nozzle is improved, and the pointed structure of the distribution plate Since it is not necessary, it is possible to improve safety during operation, and there is also an advantage that the volume of the entire fountain nozzle can be reduced since the space for inserting the distribution plate is not required in the nozzle body.

도 1은 종래 기술에 따른 분수 노즐의 분해사시도.
도 2는 종래 기술에 따른 분수 노즐의 단면도.
도 3은 본 발명에 따른 분수 노즐의 분해사시도.
도 4는 본 발명에 따른 분수 노즐의 단면도.
도 5는 본 발명에 따른 분수 노즐의 물 분사시 단면도.1 is an exploded perspective view of a fountain nozzle according to the prior art;
2 is a cross-sectional view of a fountain nozzle according to the prior art.
3 is an exploded perspective view of the fountain nozzle according to the present invention.
4 is a sectional view of a fountain nozzle according to the present invention;
5 is a cross-sectional view of the water jet of the nozzle according to the present invention.

이하 첨부된 도면들을 참조하여 본 발명의 바람직한 실시예를 보다 상세히 설명하기로 한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

도 3은 본 발명에 따른 분수 노즐의 분해사시도이고, 도 4는 본 발명에 따른 분수 노즐의 단면도이며, 도 5는 본 발명에 따른 분수 노즐의 물 분사시 단면도이다.3 is an exploded perspective view of the fountain nozzle according to the present invention, Figure 4 is a cross-sectional view of the fountain nozzle according to the present invention, Figure 5 is a cross-sectional view of the water jet of the fountain nozzle according to the present invention.

도시한 바와 같이, 본 발명에 따른 분수 노즐은 일반적인 분수노즐과 마찬가지로 내부 중앙에 상하방향으로 통하는 배출공(11)을 갖는 노즐몸체(10)와, 내부 중앙에 상하방향으로 통하는 급수공(21)을 갖는 밸브몸체(20)가 나사식으로 결합되어 이루어진다.As shown in the drawing, the fountain nozzle according to the present invention has a nozzle body 10 having a discharge hole 11 communicating in a vertical direction in an inner center, and a water supply hole 21 communicating in a vertical direction in an inner center, similar to a general fountain nozzle. The valve body 20 having a threaded coupling is made.

또한, 노즐몸체(10)와 밸브몸체(20)의 사이에는 물을 배출 또는 차단해주도록 밸브부재(50)가 위치되는데, 밸브부재(50)는 하면이 반구형인 밸브체(51)와, 밸브체(51)의 상단부에 동심원상으로 위치되는 가이드링(52)과, 밸브체(51)와 가이드링(52)을 연결해주는 다수의 연결대(53)로 이루어진다.In addition, the valve member 50 is positioned between the nozzle body 10 and the valve body 20 to discharge or block water, and the valve member 50 has a hemispherical valve body 51 having a lower surface and a valve. The upper end of the sieve 51 consists of a guide ring 52 located concentrically, and a plurality of connecting rods 53 for connecting the valve body 51 and the guide ring 52.

또한, 가이드링(52)이 승하강할 수 있도록 노즐몸체(10)의 내하부에는 가이드면(12)이 형성되고, 밸브몸체(20)에도 그 상면으로부터 안쪽의 급수공(21)까지 라운드진 가이드면(22)이 형성된다.In addition, the guide surface 12 is formed in the inner lower portion of the nozzle body 10 so that the guide ring 52 can move up and down, and the guide rounded from the upper surface of the valve body 20 to the water supply hole 21 inward. Face 22 is formed.

이때, 가이드링(52)과 밸브체(51)는 각 부품을 별도로 구성하여 연결대(53)를 통해 용접과 같은 방법으로 고정해줄 수도 있고, 다이캐스팅과 같은 방법을 통해 한 번의 공정으로 단일 몸체의 형태로 제조하는 것도 가능하다.At this time, the guide ring 52 and the valve body 51 may be configured separately by each component to be fixed in the same way as welding through the connecting rod 53, or in the form of a single body in a single process through a method such as die casting It is also possible to manufacture.

물론, 본 발명에 따른 노즐몸체(10), 밸브몸체(20), 밸브부재(50)는 물과 접촉하더라도 부식되지 않도록 스테인리스 스틸재로 구성됨은 자명하다.Of course, it is apparent that the nozzle body 10, the valve body 20, and the valve member 50 according to the present invention are made of stainless steel so as not to corrode even when contacted with water.

이와 같이 구성된 상태에서 급수공(21)을 통해 급수가 이루어지면 그 수압에 의해 밸브체(51)가 밀리게 되고, 밸브체(51)의 상단부에 고정되어 있는 가이드링(52)이 가이드면(12)을 따라 가이드면(12) 상단부까지 상승하다가 멈추게 되며, 물은 연결대(53) 중간 부위를 통과하여 노즐몸체(10)의 배출공(11)을 통해 외부로 분사될 수 있는 것이다.When water is supplied through the water supply hole 21 in the state configured as described above, the valve body 51 is pushed out by the water pressure, and the guide ring 52 fixed to the upper end of the valve body 51 is guided ( 12 and then stop to rise to the upper end of the guide surface 12, the water can be injected to the outside through the discharge hole 11 of the nozzle body 10 through the intermediate portion of the connecting rod (53).

급수가 멈추게 되면 밸브부재(50)는 자중에 의해 그 가이드링(52)이 가이드면(12)을 따라 하강하게 되고, 밸브체(51)의 반구형 하면이 밸브몸체(20)의 급수공(21)을 막아 물을 차단해주는 것이다.When the water supply stops, the valve member 50 descends along the guide surface 12 by its own weight, and the hemispherical lower surface of the valve body 51 is supplied with the water supply hole 21 of the valve body 20. ) To block water.

따라서, 본 발명에 따르면 밸브부재(50)를 단일 부품으로 구성하면서도 물의 배출 및 차단 동작을 원활하게 수행할 수 있으며, 밸브부재(50)를 단일 부품으로 구성함에 따라 그 제조원가를 절감할 수 있고, 부품이 최소화되어 제조시 작업성을 향상시킬 수 있는 것이다.Therefore, according to the present invention, it is possible to smoothly perform the operation of discharging and blocking the water while configuring the valve member 50 as a single component, and reducing the manufacturing cost by configuring the valve member 50 as a single component. Minimized parts can improve workability during manufacturing.

또한, 종래 분수 노즐과 같이 뾰족한 구조의 분배판이 필요없게 되므로 작업상 안전성을 향상시킬 수 있고, 노즐몸체(10)에 분배판이 끼워질 수 있는 홈을 형성하지 않아도 되므로 일반적인 분수노즐에 비해 상대적으로 노즐몸체(10)의 부피를 최소화할 수 있는 이점이 있는 것이다.In addition, since the distribution plate of the pointed structure like the conventional fountain nozzle is not required, it is possible to improve the safety in operation, and because the nozzle body 10 does not have to form a groove into which the distribution plate can be fitted, the nozzle is relatively compared to the general fountain nozzle. There is an advantage that can minimize the volume of the body (10).

10 : 노즐몸체 11 : 배출공
12,22 : 가이드면 20 : 밸브몸체
21 : 급수공 50 : 밸브부재
51 : 밸브체 52 : 가이드링
53 : 연결대10: nozzle body 11: the discharge hole
12,22: guide surface 20: valve body
21: water supply hole 50: valve member
51: valve body 52: guide ring
53: connecting rod

Claims (4)

삭제delete 삭제delete 내부 중앙에 상하방향으로 통하는 배출공(11)을 갖는 노즐몸체(10)와, 내부 중앙에 상하방향으로 통하는 급수공(21)을 구비하며 상기 노즐몸체(10)와 나사식으로 결합되는 밸브몸체(20)와, 상기 노즐몸체(10)와 상기 밸브몸체(20)의 사이에 위치되어 물을 배출 또는 차단해주는 밸브부재(50)로 구성된 분수노즐에 있어서,
상기 밸브부재(50)는,하면이 반구형인 밸브체(51)와, 밸브체(51)의 상단부에 동심원상으로 위치되는 가이드링(52)과, 밸브체(51)와 가이드링(52)을 연결해주는 다수의 연결대(53)로 이루어지고, 상기 밸브부재(50)의 가이드링(52)이 승하강할 수 있도록 노즐몸체(10)의 내하부에는 가이드면(12)이 형성되며, 상기 밸브몸체(20)에 그 상면으로부터 안쪽의 급수공(21)까지 라운드진 가이드면(22)이 형성되고,
상기 가이드링(52)과 밸브체(51)는 각 부품을 별도로 구성하여 연결대(53)를 통해 용접과 같은 방법으로 고정된 것을 특징으로 하는 분수 노즐.




A valve body having a nozzle body (10) having a discharge hole (11) in the vertical direction in the inner center, and a water supply hole (21) in the vertical direction in the inner center and screwed to the nozzle body (10) In the fountain nozzle consisting of a valve member 50, which is located between the nozzle body 10 and the valve body 20 to discharge or block water,
The valve member 50 includes a valve body 51 having a hemispherical bottom surface, a guide ring 52 located concentrically on an upper end of the valve body 51, a valve body 51, and a guide ring 52. Comprising a plurality of connecting rods 53 for connecting the guide ring 52 of the valve member 50, the guide surface 12 is formed on the inner lower portion of the nozzle body 10 to be raised and lowered, the valve In the body 20, a rounded guide surface 22 is formed from the upper surface to the inner water supply hole 21,
The guide ring (52) and the valve body (51) is a fractional nozzle characterized in that each component is separately configured and fixed in the same way as welding through the connecting rod (53).




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KR1020120081285A 2012-07-25 2012-07-25 Nozzle for fountain KR101214338B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200084493A (en) * 2019-01-02 2020-07-13 김인철 Lamp equipped with a fountain nozzle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306685A (en) 1978-09-26 1981-12-22 Imperial Chemical Industries Limited Containers utilized in electrostatic spraying
JP2007130570A (en) * 2005-11-10 2007-05-31 Yasumoto Itojima Ejection nozzle
US20080197217A1 (en) * 2007-02-20 2008-08-21 Hsu Chih-Lung Fog nozzle with abrasion resistance

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306685A (en) 1978-09-26 1981-12-22 Imperial Chemical Industries Limited Containers utilized in electrostatic spraying
JP2007130570A (en) * 2005-11-10 2007-05-31 Yasumoto Itojima Ejection nozzle
US20080197217A1 (en) * 2007-02-20 2008-08-21 Hsu Chih-Lung Fog nozzle with abrasion resistance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200084493A (en) * 2019-01-02 2020-07-13 김인철 Lamp equipped with a fountain nozzle
KR102180306B1 (en) * 2019-01-02 2020-11-19 김인철 Lamp equipped with a fountain nozzle

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