IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0923930
(2010-10-14)
|
등록번호 |
US-8393500
(2013-03-12)
|
우선권정보 |
JP-2005-222250 (2005-07-29); JP-2006-151209 (2006-05-31); JP-2006-182302 (2006-06-30) |
발명자
/ 주소 |
- Mizushima, Hiroshi
- Iizuka, Shigeo
|
출원인 / 주소 |
- Yoshino Kogyosho Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
15 |
초록
▼
This discharge container is a discharge container provided with a container main body, a discharge pump and a fixing cap, in which the discharge pump is provided with a cylinder member made of a large-diameter cylinder and a small-diameter cylinder, a piston member mounted on the cylinder member and
This discharge container is a discharge container provided with a container main body, a discharge pump and a fixing cap, in which the discharge pump is provided with a cylinder member made of a large-diameter cylinder and a small-diameter cylinder, a piston member mounted on the cylinder member and a nozzle head. The piston member is provided with a piston, a poppet valve, a piston guide, an air piston, an air piston valve and a stem. The air piston is provided with an inner tube portion engaged with the outer circumference of the piston guide, an upper wall portion, and a sliding tube portion engaged with the large-diameter cylinder internally so as to slide freely. The stem is provided with a lower tube portion engaged with the upper part of the piston guide to form a gas-liquid mixing chamber including a ball valve internally at the upper part of the piston guide and also engaged with the upper inner tube of the inner tube portion so as to slide freely and a mesh ring mounted on the upper inner circumference of the air piston. The nozzle head is mounted on the outer circumference of the stem.
대표청구항
▼
1. A discharge container comprising a container main body, a discharge pump for discharging a contained liquid from a nozzle, and a fixing cap, wherein the discharge pump comprises a cylinder member made of a large-diameter cylinder and a small-diameter cylinder having an inlet pipe at a lower end,
1. A discharge container comprising a container main body, a discharge pump for discharging a contained liquid from a nozzle, and a fixing cap, wherein the discharge pump comprises a cylinder member made of a large-diameter cylinder and a small-diameter cylinder having an inlet pipe at a lower end, a piston member mounted on the cylinder member, and a nozzle head,the piston member comprises:a piston engaged with the small-diameter cylinder internally so as to slide freely;a poppet valve engaged with the piston;a piston guide engaged with an upper end of the piston;an air piston which is provided with an inner tube portion engaged with the outer circumference of the piston guide, an upper wall portion, an upper outer tube set upright at the upper wall portion and a sliding tube portion engaged with the large-diameter cylinder internally so as to slide freely, thereby forming an air chamber inside the large-diameter cylinder; anda stem which is provided with a lower tube portion engaged with an upper part of the piston guide to form a gas-liquid mixing chamber including a ball valve inside the upper part of the piston guide and engaged with the upper part of the inner tube portion so as to slide freely, an upper tube portion on which a sealing tube is installed consecutively, and a mesh ring mounted on the upper inner circumference; further whereinthe nozzle head is mounted on the outer circumference of the stem;a flange is installed on the outer circumference of the tube portion of the stem;the sealing tube is installed vertically from the flange;the upper outer tube having an air passage channel at an upper end of the outer circumference is set upright at the upper wall portion of the air piston;an air hole is drilled at an upper wall portion between the upper outer tube and the inner tube portion, andthe inner circumference face of a distal end of the sealing tube is slidingly in contact with the outer circumference face of a distal end of the upper outer tube according to the vertical movement of the stem, by which an air passage channel between the air chamber and the outside of a container is opened and closed. 2. The discharge container according to claim 1, wherein a vent hole is drilled in the circumference wall of the large-diameter cylinder, and the vent hole is opened and closed by the vertical movement of the sliding tube portion, thereby preventing the container main body from being made negative in pressure by the suction of a contained liquid thereinside. 3. The discharge container according to claim 1, further comprising a valve member installed at the lower-end opening portion inside the cylinder member so as to be separated from the lower-end opening portion;a first elastic member arranged between the piston and the valve member inside the cylinder member so as to urge the piston upward;a second elastic member for urging the nozzle head upwardly to the stem which is installed between the nozzle head and the stem. 4. The discharge container according to claim 3, wherein the nozzle is made gradually smaller in passage-channel cross-section along the continuous hole from the leading-end opening portion. 5. The discharge container according to claim 3, wherein the second elastic member is smaller in urging force than the first elastic member. 6. The discharge container according to claim 4, wherein the second elastic member is smaller in urging force than the first elastic member. 7. The discharge container according to claim 3, wherein the cylinder member is a cylinder for contained liquid and the piston is a piston for contained liquid,the discharge pump comprises a cylinder for air at which a piston for air is installed thereinside so as to slide freely;a gas-liquid mixing chamber at which a contained liquid sent out from the cylinder member for contained liquid is merged with air sent out from the cylinder for air;a contained liquid discharge valve is installed on a valve seat provided at a contained liquid entrance of the gas-liquid mixing chamber so as to be separated from the valve seat;the mesh ring is a bubble foaming member that is installed between the nozzle and the gas-liquid mixing chamber; andthe nozzle head is pushed down, by which a contained liquid inside the container main body is merged with air inside the gas-liquid mixing chamber and the contained liquid merged with air is bubbled in the course of passing through the bubble foaming member, thereby discharging the thus bubbled contained liquid from the nozzle. 8. The discharge container according to claim 4, wherein the cylinder member is a cylinder for contained liquid and the piston is a piston for contained liquid,the discharge pump comprises a cylinder for air at which a piston for air is installed thereinside so as to slide freely;a gas-liquid mixing chamber at which a contained liquid sent out from the cylinder member for contained liquid is merged with air sent out from the cylinder for air;a contained liquid discharge valve is installed on a valve seat provided at a contained liquid entrance of the gas-liquid mixing chamber so as to be separated from the valve seat;the mesh ring is a bubble foaming member that is installed between the nozzle and the gas-liquid mixing chamber; andthe nozzle head is pushed down, by which a contained liquid inside the container main body is merged with air inside the gas-liquid mixing chamber and the contained liquid merged with air is bubbled in the course of passing through the bubble foaming member, thereby discharging the thus bubbled contained liquid from the nozzle. 9. The discharge container according to claim 5 wherein the cylinder member is a cylinder for contained liquid and the piston is a piston for contained liquid,the discharge pump comprises a cylinder for air at which a piston for air is installed thereinside so as to slide freely;a gas-liquid mixing chamber at which a contained liquid sent out from the cylinder member for contained liquid is merged with air sent out from the cylinder for air;a contained liquid discharge valve is installed on a valve seat provided at a contained liquid entrance of the gas-liquid mixing chamber so as to be separated from the valve seat;the mesh ring is a bubble foaming member that is installed between the nozzle and the gas-liquid mixing chamber; andthe nozzle head is pushed down, by which a contained liquid inside the container main body is merged with air inside the gas-liquid mixing chamber and the contained liquid merged with air is bubbled in the course of passing through the bubble foaming member, thereby discharging the thus bubbled contained liquid from the nozzle. 10. The discharge container according to claim 6 wherein the cylinder member is a cylinder for contained liquid and the piston is a piston for contained liquid,the discharge pump comprises a cylinder for air at which a piston for air is installed thereinside so as to slide freely;a gas-liquid mixing chamber at which a contained liquid sent out from the cylinder member for contained liquid is merged with air sent out from the cylinder for air;a contained liquid discharge valve is installed on a valve seat provided at a contained liquid entrance of the gas-liquid mixing chamber so as to be separated from the valve seat;the mesh ring is a bubble foaming member that is installed between the nozzle and the gas-liquid mixing chamber; andthe nozzle head is pushed down, by which a contained liquid inside the container main body is merged with air inside the gas-liquid mixing chamber and the contained liquid merged with air is bubbled in the course of passing through the bubble foaming member, thereby discharging the thus bubbled contained liquid from the nozzle.
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