WO2013118816A1 - ポンプ式吐出容器 - Google Patents
ポンプ式吐出容器 Download PDFInfo
- Publication number
- WO2013118816A1 WO2013118816A1 PCT/JP2013/052851 JP2013052851W WO2013118816A1 WO 2013118816 A1 WO2013118816 A1 WO 2013118816A1 JP 2013052851 W JP2013052851 W JP 2013052851W WO 2013118816 A1 WO2013118816 A1 WO 2013118816A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid
- nozzle head
- pump
- check valve
- container
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
- B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
- B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
- B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1042—Components or details
- B05B11/1073—Springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1087—Combination of liquid and air pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/0005—Components or details
- B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
- B05B11/0064—Lift valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1009—Piston pumps actuated by a lever
- B05B11/1012—Piston pumps actuated by a lever the pump chamber being arranged substantially coaxially to the neck of the container
- B05B11/1014—Piston pumps actuated by a lever the pump chamber being arranged substantially coaxially to the neck of the container the pump chamber being arranged substantially coaxially to the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
- B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
- B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
- B05B11/1001—Piston pumps
- B05B11/1016—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element
- B05B11/1019—Piston pumps the outlet valve having a valve seat located downstream a movable valve element controlled by a pressure actuated controlling element the inlet valve moving concurrently with the controlling element during whole pressure and aspiration strokes, e.g. a cage for an inlet valve ball being part of the controlling element
Definitions
- the present invention relates to an improvement in usability in a pump-type discharge container, particularly a pump-type discharge container in which leakage of liquid due to slight vertical movement of a nozzle during transportation is prevented.
- a pump-type discharge container that discharges liquid contained in a container body from a discharge port at the tip of the nozzle head by moving a nozzle head mounted above the container body up and down.
- a liquid chamber (a gap between the cylinder and the piston) is usually provided inside the discharge pump body, and a primary check is provided at the upstream end (container body side) end of the liquid chamber.
- a secondary check valve is provided at the end of the valve on the downstream side (discharge port side).
- the primary check valve constituted by a ball valve or the like is opened by gravity, so that the liquid in the container body enters the liquid chamber. It will be. Furthermore, if the nozzle head moves up and down in response to vibration during transportation and the secondary check valve at the outlet of the liquid chamber opens slightly, the liquid that has entered the liquid chamber leaks from the discharge port, and the inside of the carton case There was a problem of getting the container dirty. Alternatively, when trying to carry the pump-type discharge container in use with the nozzle head in the upper limit position, if the nozzle head moves up and down even slightly, the liquid will unintentionally leak out, which is difficult to handle. There was also a problem.
- a pump-type discharge container has been proposed in which a portion that receives the lower end of a spring that urges a piston upward is movable up and down within a predetermined range with respect to a cylinder (see Patent Document 1). That is, the secondary check valve that opens and closes the liquid chamber outlet of the pump-type discharge container is usually configured to open by contraction of a spring, but the pump-type discharge container described in Patent Document 1 has an upper limit on the nozzle head. In the position, the portion that receives the lower end of the spring is configured to be able to move slightly downward.
- the nozzle head once functions as a pump at the time of use, for example, by holding the nozzle head by hand or by inserting the stopper again.
- the nozzle head is further lifted from the dead point position, if the nozzle head is pushed down to discharge the liquid again, a large force is required at the time of the first pressing down, so that it may be difficult to discharge the liquid.
- it is difficult to adjust the liquid discharge amount by the pressing width because the resistance rapidly decreases when the nozzle head is pressed down even slightly. .
- the present invention has been made in view of the above-described problems of the prior art. That is, the problem to be solved is a pump having a specific structure in which liquid leakage due to slight vertical movement of the nozzle head is prevented. In the type discharge container, it is to improve the ease of discharging the liquid when the nozzle head is first pushed down from the upper limit position.
- the liquid chamber is filled with liquid.
- the primary check valve opens the communication between the liquid chamber and the container body, so that the liquid is discharged from the upper limit position of the nozzle head.
- the communication between the liquid chamber and the container body is open, so that the resistance applied when the nozzle is pushed down is significantly reduced, and the liquid can be easily discharged with a small force.
- the present invention has been completed.
- the pump-type discharge container includes a container main body and a discharge pump body attached to the mouth of the container main body, and moves the nozzle head portion provided above the discharge pump body up and down.
- a pump-type discharge container that discharges the liquid contained in the container body from a discharge port provided in the nozzle head portion, the discharge pump body being in a cylindrical shape that can communicate with the inside of the container body
- the outer end surface of the lower end is in sliding contact with the inner wall surface of the liquid cylinder portion, and a space surrounded by the liquid cylinder portion is configured as a liquid chamber.
- Piston for liquid that can communicate with A rod-shaped member provided in a space surrounded by the liquid cylinder part and the liquid piston part, the upper end of which penetrates the upper open end of the liquid piston part, and In the upper end that penetrates, there is provided a diameter-expanded portion that is expanded to an outer diameter larger than the diameter of the opening end of the liquid piston portion, and the diameter-expanded portion and the opening end of the liquid piston portion are in contact with each other.
- the opening end is closed by closing the opening end, or the opening end is opened so that the enlarged diameter portion and the opening end do not come into contact with each other, thereby enabling communication between the liquid piston portion and the nozzle head portion to be opened and closed.
- a rod-shaped valve body constituting a secondary check valve, and a cylindrical member that engages with the lower end of the rod-shaped valve body from the outside, provided to project outward at the lower end of the cylindrical member
- the lower surface of the enlarged diameter part is inward of the periphery of the bottom of the liquid cylinder part.
- a cylindrical locking portion that can come into contact with the upper surface of the pedestal portion provided to protrude, and is interposed between the lower end of the liquid piston portion and the upper surface of the enlarged diameter portion of the cylindrical locking portion,
- a spring part that urges the liquid piston part and the cylindrical locking part in a direction to widen the gap, and the liquid piston part can communicate with the inside of the liquid piston part via the upper opening end.
- a cylindrical nozzle head portion provided, and further moving the nozzle head portion upward from a top dead center position where the spring portion starts to contract due to the downward movement of the nozzle head portion.
- the liquid piston portion, the spring portion, and the cylindrical locking portion all move upward, and the lower surface of the enlarged diameter portion of the cylindrical locking portion is the liquid
- the diameter-enlarged part by leaving the top surface of the bottom peripheral pedestal part
- a pump-type discharge container in which a predetermined interval is provided between the lower surface of the minute portion and the upper surface of the bottom peripheral pedestal portion, and the cylindrical locking portion can be moved up and down within a predetermined range with respect to the liquid cylinder portion.
- the primary check valve communicates between the liquid cylinder portion and the container body in a state where the liquid chamber is filled with a desired liquid and the nozzle head portion is fully pulled upward. Is open.
- the primary check valve includes a ball having an apparent specific gravity of less than 1.00, and a valve seat portion having a smaller diameter than the diameter of the ball provided in the liquid cylinder portion. It is preferable that it is comprised by these.
- a ball used for the primary check valve is a ball made of a resin having a specific gravity of less than 1.00.
- the ball used for the primary check valve is made of a resin selected from polyethylene, polypropylene, and ethylene-vinyl acetate copolymer.
- a ball locking portion that prevents the ball from rising is provided.
- the primary check valve is a membrane valve body provided at an enlarged diameter portion at a lower end of the cylindrical locking body, and a bottom peripheral base of the liquid cylinder portion It is suitable that it is comprised by the part.
- the primary check valve includes a ball and a valve seat portion having a diameter smaller than the diameter of the ball provided at a diameter-expanded portion at a lower end of the cylindrical locking body. It is suitable that it is comprised by.
- the liquid chamber is filled with the liquid and the nozzle head is directed upward.
- the primary check valve opens the communication between the liquid chamber and the container body, so that the nozzle head can be discharged from the upper limit position of the nozzle head. Since the communication between the liquid chamber and the inside of the container body is opened when the depression is attempted, the resistance applied during the depression is significantly reduced, and the liquid can be easily discharged with a small force.
- the pump-type discharge container of the embodiment shown below is a foam discharge container, and is a container that mixes foamable liquid contained in the container with air and discharges it in the form of foam.
- the liquid discharge container is not limited to only a foam discharge container, and may be any liquid discharge container that discharges the liquid in the container body.
- the pump-type discharge container includes a container main body that stores liquid, a discharge pump body that is detachably attached to an upper end of the container main body, and a container main body that communicates with the discharge pump body. And a tube extending to the inside of the.
- FIG. 1 shows a cross-sectional view (a front cross-sectional view in a state in which a nozzle head at the time of shipment is at an upper limit position) of a discharge pump body 10 according to the first embodiment of the present invention.
- a female screw is formed on the inner peripheral surface of the skirt-like base cap portion 20 provided below the discharge pump body 10 according to the present embodiment.
- a mouth (not shown) of the container main body that contains the foamable liquid is provided with a male screw on its outer peripheral surface, and the discharge pump body 10 is engaged with the female screw of the base cap 20. It is detachably attached to the container body.
- the discharge pump body 10 includes a base cap portion 20, a nozzle head 22 serving as an operation portion and a discharge portion, a double cylinder 24 that constitutes a liquid cylinder 24A and an air cylinder 24B,
- the liquid piston 26 and the air piston 28 are the main components.
- These component parts are usually formed from a synthetic resin material.
- a synthetic resin material for example, polypropylene (PP), high density polyethylene (HDPE), medium density polyethylene (MDPE), low density polyethylene (LDPE), etc.
- Polyester resins such as polyolefin resins and polyethylene terephthalate (PET) can be used alone or in appropriate mixtures.
- the double cylinder 24 is integrally molded by injection molding or the like using synthetic resin as one part. That is, a large-diameter air cylinder 24B and a small-diameter liquid cylinder 24A that are concentrically arranged are integrally formed, and the container body is formed at the upper opening edge of the air cylinder 24B. An annular flange portion 24a placed on the upper end of the mouth portion is formed.
- the air cylinder 24B of the double cylinder 24 has a short large-diameter portion having an outer diameter that is the same as or slightly smaller than the inner diameter of the container body mouth portion, and a uniform inner diameter slightly smaller than that, following the flange portion 24a. It is a cylindrical part which consists of a cylinder wall. From the lower end of the cylinder wall of the cylinder 24B for air, it inverts further upward and the connection part 24b is extended inward in radial direction.
- the liquid cylinder 24A of the double cylinder 24 has an upper end connected to the radially inner end of the connecting portion 24b and extending downward from the connecting portion 24b, and a cylindrical shape described later at the lower end of a cylindrical cylinder wall 24c.
- An annular pedestal 24d serving as a receiving portion at the lower end of the locking body 32 is formed, and a funnel-shaped ball valve seat 24e serving as a valve seat for the ball valve 30 is formed below the annular pedestal 24d.
- a cylindrical lower cylindrical portion 24f for press-fitting the tube body 12 for guiding the foamable liquid from the main body into the liquid cylinder 24A is formed. Further, the tube body 12 press-fitted into the lower cylindrical portion 24f extends to the vicinity of the bottom portion in the container main body.
- the air piston 28 and the liquid piston 26 are formed by injection molding using a synthetic resin as separate parts and then concentrically connected as one piston body.
- the sliding seal portion 28a of the air piston 28 is installed so as to slide along the inner surface of the cylinder wall of the air cylinder 24B, and the sliding seal portion 26c of the liquid piston 26 is provided. Is installed so as to slide along the inner surface of the cylinder wall 24c of the liquid cylinder 24A.
- a nozzle head 22 is connected to the upper end of the air piston 28.
- the air piston 28 is formed by integrally forming an upper small-diameter portion 28b of an axial center portion and a lower large-diameter portion 28c arranged concentrically with the upper small-diameter portion 28b via an intermediate connecting portion 28d. is there.
- An intermediate connecting portion 28d is formed radially inward from the upper end of the lower large diameter portion 28c, and the upper small diameter portion 28b rises upward from the inner peripheral edge of the intermediate connecting portion 28d.
- a reduced diameter portion 28e having a slightly reduced inner diameter is provided at the upper end portion of the upper small diameter portion 28b, and vertical ribs 28f are provided radially on the inner surface of the reduced diameter portion 28e.
- the vertical ribs 28f are configured as inclined surfaces whose lower surfaces are inclined downward and outward. At the lower end of the lower large-diameter portion 28c, sufficient airtightness can be secured between the lower large-diameter portion 28c and the inner surface of the cylinder wall of the air cylinder 24B, and it can slide up and down with respect to the inner surface of the air cylinder 24B.
- the sliding seal portion 28a is integrally formed.
- the liquid piston 26 has a substantially cylindrical shape as a whole, and a funnel-shaped liquid chamber valve seat portion 26a whose inner diameter increases toward the upper side is formed on the inner surface of the upper end portion of the hollow portion of the axial center. Is formed. At the lower end of the liquid piston 26, there is formed a sliding seal portion 26c that moves up and down the inner surface of the cylinder wall 24c of the liquid cylinder 24A in a liquid-tight state. An annular plane portion is formed so as to be a receiving portion on the upper end side of the coil spring.
- the piston 28 for air and the piston 26 for liquid are integrally connected as one piston body, when the upper end part of the piston 26 for liquid is press-fitted inside the lower part of the upper small diameter part 28b of the piston 28 for air. .
- the piston bodies 26 and 28 integrated in this way insert the air piston 28 into the air cylinder 24B and the liquid piston 26 into the liquid cylinder 24A with respect to the double cylinder 24. Therefore, it is assembled so that it can move up and down as a whole.
- a coil spring (shown by a dotted line in FIG. 1) is interposed between the vicinity of the lower end of the liquid piston 26 and an annular receiving portion 32a formed at the lower end of a cylindrical locking body 32 described later. Has been. For this reason, the liquid piston 26 is always urged in the direction of widening the gap with the cylindrical locking body 32 by the spring force of the coil spring.
- a liquid chamber A is formed as an inner space between the liquid cylinder 24A and the liquid piston 26, and the space surrounded by the air cylinder 24B, the air piston 28, and the liquid piston 26.
- an air chamber B is formed.
- a mixing chamber C is formed as a space surrounded by the upper end portion of the liquid piston 26 and the upper portion of the air piston 28, a locking portion 38a at the tip of a rod-shaped valve body 38 to be described later, and the porous body holder 36.
- An air passage D for sending air from the air chamber B to the mixing chamber C is formed as a space surrounded by the upper outer surface of the liquid piston 26 and the lower inner surface of the upper small-diameter portion 28b of the air piston 28. ing.
- the lower inner surface of the upper small-diameter portion 28 b of the air piston 28 is an insertion portion of the liquid piston 26. Further, a plurality of longitudinal grooves are provided in the circumferential direction at locations corresponding to the fitting portions on the upper outer surface of the liquid piston 26, whereby the upper outer surface of the liquid piston 26 and the air piston 28 are provided. An air passage D is formed between the inner surface and the inner surface.
- a longitudinal rib for forming the longitudinal groove is provided at a position corresponding to the fitting portion of the upper outer surface of the liquid piston 26, and the longitudinal rib is connected to the upper small diameter portion 28 b of the air piston 28.
- the outer diameter of the imaginary circle connecting the outer surfaces thereof is made substantially equal to the inner diameter of the upper small diameter portion 28b of the air piston 28.
- the longitudinal grooves or longitudinal ribs for forming the air passage D may be provided not on the portion corresponding to the fitting portion of the upper surface of the liquid piston 26 but on the inner surface of the air piston 28.
- the nozzle head 22 connected to the air piston 28 has a side wall portion formed in a double wall of an inner cylinder portion 22a and an outer cylinder portion 22b, and is bent in an upward direction through the inner cylinder portion 22a.
- a bubble passage E is formed as a through hole.
- a discharge port 22c for discharging bubbles to the outside is provided at the downstream end of the bubble passage E.
- porous body holder 36 Prior to the connection with the air piston 28, a porous body holder 36 in which sheet-like porous bodies 36 a and 36 b are stretched at both ends is inserted into the bubble passage E in the nozzle head 22 on the downstream side of the mixing chamber C. It is worn.
- the porous body holder 36 may be, for example, a structure in which a mesh body knitted with synthetic resin is used as sheet-like porous bodies 36a and 36b and welded to both ends of a cylindrical synthetic resin spacer 36c. Further, the mesh of the porous body 36b on the downstream side (side close to the bubble discharge port 22c) is formed to be finer than the mesh of the porous body 36a on the upstream side (side near the mixing chamber C). It is desirable from the viewpoint of foam quality.
- the base cap part 20 for holding and fixing the discharge pump body 10 with the mouth part of the container body includes a top wall part 20a having an open center part, and a skirt part 20b hanging from the outer peripheral edge part of the top wall part 20a. And an upright wall 20c standing upright from the opening edge of the top wall portion 20a.
- the bottom surface of the top wall portion 20a has an annular cylindrical portion that contacts the inner surface of the flange portion 24a of the air cylinder 24B, and a smaller diameter than that. Are respectively formed in a hanging manner.
- the inner peripheral surface of the skirt portion 20b of the base cap portion 20 is a female screw portion, and the base cap 20 is screwed into a male screw portion formed on the outer peripheral surface of the mouth portion of the container body. Attached to the mouth of the body.
- the ball valve 30 is placed on the substantially funnel-shaped ball valve seat portion 24e near the lower end of the liquid cylinder 24A.
- a primary check valve is constituted by the valve 30.
- the ball valve 30 is made of polypropylene resin having a specific gravity of 0.90 to 0.91.
- the ball valve 30 is in contact with the valve seat portion 24c by gravity as shown in FIG. Communication between A and the tube 12 is blocked.
- the specific gravity of a general liquid preparation is 1.00 or more, when the liquid preparation is filled in the liquid chamber A by the vertical movement of the nozzle head, the ball valve 30 having a specific gravity smaller than that of the liquid preparation. Is urged upward by buoyancy, so that it does not contact the valve seat portion 24c, and the communication between the liquid cylinder 24A and the tube body 12 is released.
- the ball valve is used as the primary check valve.
- the specific gravity of a general liquid preparation is 1.00 or more. Therefore, if the ball has an apparent specific gravity of less than 1.00, the same action as in this embodiment is exhibited.
- the apparent specific gravity is a value obtained by dividing the mass of a certain object by the volume of the object and dividing by the density of water which is a standard substance.
- the apparent specific gravity of the ball is made less than 1.00 by a method such as making the ball hollow. If so, the same effect as in the present embodiment can be obtained because it increases by buoyancy in a general liquid preparation.
- a solid ball made of a resin having a specific gravity of less than 1.00 examples include polyethylene (specific gravity 0.91 to 0.97), ethylene-vinyl acetate copolymer (specific gravity 0.92 to 0.95), and the like.
- the shape of the valve is not limited to the ball valve, and various known check valves such as a conical shape, a rod shape, and a membrane shape can be used, but at least the liquid chamber A is filled with liquid. In the state where the nozzle head 22 is pulled up to the maximum, the primary check valve needs to be opened.
- the liquid chamber A can be filled with liquid and the nozzle head 22 can be used without using a material with a small specific gravity as in the first embodiment.
- a configuration in which the primary check valve is opened in a state where it is pulled up to the maximum in the upward direction can also be adopted. 4 and 5, as an example of using a valve structure different from that of the first embodiment as the primary check valve, a cross section of the discharge pump bodies 110 and 210 according to the second and third embodiments of the present invention. The figure is shown. In the second and third embodiments, the other configurations except for the primary check valve are the same as those in the first embodiment, and thus the description thereof is omitted.
- a membrane-like valve body 132e is provided at the enlarged diameter portion at the lower end of the cylindrical locking body 132, and the lower surface of the membrane-like valve body 132e is the enlarged diameter portion.
- the lower surface of this is constituted.
- the membranous valve element 132e and the upper surface of the pedestal portion 124d below the liquid cylinder 124A constitute a primary check valve.
- the nozzle head 122 is pulled up to the maximum as shown in FIG.
- the membranous valve body 132e is not in contact with the liquid cylinder lower pedestal 124d, and the primary check valve is always open.
- the cylindrical locking body 132 is lowered at the same time, and the membrane valve body 132e at the lowermost portion of the cylindrical locking body moves to the upper surface of the liquid cylinder lower pedestal portion 124d. To cover the opening, and the communication between the liquid chamber A and the tube body 112 is blocked.
- the primary check valve is always in a state where the nozzle head 22 is pulled up to the maximum. It is open.
- a substantially funnel-shaped ball valve seat portion 232e is provided at the enlarged diameter portion of the lower end of the cylindrical locking body 232, and the lower surface of the ball valve seat portion 232e is It constitutes the lower surface of the enlarged diameter portion.
- a stainless steel ball valve 230 is placed on the ball valve seat 232e. The base 224d below the liquid cylinder 224A, the valve seat portion 232e, and the stainless steel ball valve 230 are used to perform the primary operation.
- a check valve is configured.
- the ball valve seat portion 232e is interlocked with the cylindrical locking body 232, and when the nozzle head 222 is pulled up to the maximum as shown in FIG.
- the lower end of the ball valve seat portion 232e is not in contact with the upper surface of the liquid cylinder base portion 224d, and the primary check valve is always open regardless of the position of the stainless steel ball valve 230.
- the cylindrical locking body 132 is lowered at the same time, and the lower end of the ball valve seat portion 232e comes into contact with the upper surface of the liquid cylinder lower pedestal portion 224d.
- the first weight can be obtained without using a material having a specific gravity lighter than that of a general liquid preparation. An effect equivalent to that of the embodiment can be obtained.
- An elastic valve element 34 made of a soft synthetic resin is provided between the outer peripheral lower surface of the intermediate coupling portion 28d of the air piston 28 and the upper surface of the annular protrusion 26b formed on the outer peripheral surface of the liquid piston 26.
- the elastic valve body 34 includes an intake hole 28g formed in the intermediate connection portion 28d of the air piston 28 and an inlet side (air chamber) of the air passage D formed in the press-fit connection portion of the air piston 28 and the liquid piston 30. B side) communicates with the intake hole 28g only when the air chamber B has a negative pressure (first intake valve), and communicates the air chamber B and the air passage D only when the air chamber B is pressurized (first). Two intake valves).
- the elastic valve body 34 has a thin and annular outer valve portion 34b extending outward from the vicinity of the lower end portion of the cylindrical base portion 34a with respect to the cylindrical cylindrical base portion 34a, and the cylindrical base portion 34a.
- a thin-walled and annular inner valve portion 34c extending inwardly from the vicinity of the lower end portion is integrally formed.
- the elastic valve body 34 is in a state in which the cylindrical base 34a is fixed by the intermediate coupling portion 28d of the air piston 28, and the outer edge portion on the upper surface side of the outer valve portion 34b is more radial than the intake hole 28g.
- the outer side is in contact with the lower surface (air chamber B side) of the intermediate coupling portion 28d, and the lower surface side inner edge portion of the inner valve portion 34c is in contact with the upper surface of the annular protrusion 26b formed on the liquid piston 26. It is installed in the upper part of the air chamber B.
- the inward valve portion 34c of the elastic valve body 34 has a sufficient interval to be displaced upward with respect to the lower surface of the upper intermediate coupling portion 28d.
- the intake hole 28g In the first intake valve that opens and closes the intake hole 28g, when the air chamber B is at a normal pressure or a pressurized state, the outer edge portion of the outer valve portion 34b contacts the lower surface of the intermediate coupling portion 28d, and the air chamber
- the intake hole 28g which is a communication path between B and the outside air, is closed.
- the outer valve portion 34b of the elastic valve body 34 is displaced downward (elastically deformed) and is separated from the lower surface of the intermediate connecting portion 28d.
- the intake hole 28g is opened.
- the inner edge portion of the inner valve portion 34c is an annular shape of the liquid piston 26.
- the inlet portion from the air chamber B to the air passage D is closed in contact with the protrusion 26b.
- the inner valve portion 34c of the elastic valve body 34 is displaced upward (elastically deformed) and separated from the annular protrusion 26b, thereby The entrance of the passage D is opened.
- the elastic valve body 34 closes the inlet portion from the air chamber B to the air passage D when the air chamber B is in a reduced pressure or normal pressure state
- the nozzle head 22 rises together with the air piston 28. In doing so, the inlet portion from the air chamber B to the air passage D is closed. Further, since the volume of the air passage D does not change even when the nozzle head 22 is raised, the air passage D is maintained in a normal pressure state when the nozzle head is raised.
- the nozzle head 22 fixed from above with respect to the liquid piston 26 and the air piston 28 has a gap through which the outer cylindrical portion 22b can pass, and the tip of the upright wall 20c of the base cap portion 20. It is guided by the department.
- a head space in the container main body (a space above the liquid level of the foamable liquid) through a gap between the inner peripheral edge of the upright wall 20c of the base cap 20 and the outer peripheral surface of the inner cylindrical portion 22a of the nozzle head 22.
- An air hole 24g is formed in the upper part of the cylinder wall of the air cylinder 24B in order to introduce external air to the outside.
- the sliding seal portion 28a of the air piston 28 has a U-shape with a shallow cross section so as to cover and close the air hole 24g from the inside with the air piston 28 in the upper limit position. Is formed. Then, when the air piston 28 moves downward, the air hole 24g is released from the sliding seal portion 28a, and the outside air communicates with the inside of the container body.
- a rod-shaped valve body 38 made of synthetic resin is provided in a space formed by the liquid piston 26 and the liquid cylinder 24A. Further, in the lower space in the liquid cylinder 24A, a cylindrical locking body 32 made of a synthetic resin that restricts ascent of the rod-shaped valve body 38 is provided.
- tip of the rod-shaped valve body 38 and the funnel-shaped liquid chamber valve seat part 26a provided in the upper end part of the liquid piston 26 contact
- the nozzle head 22 is closed and the liquid chamber valve seat portion 26a is lowered, the locking portion 38a of the rod-shaped valve body 38 and the liquid chamber valve seat portion 26a are separated, and the upper end outlet of the liquid piston 26 is opened. Opened.
- the outer peripheral surface in the vicinity of the upper end of the rod-shaped valve body 38 has a larger diameter and substantially the same.
- the mortar-shaped locking portion 38 a is formed so that at least its maximum outer diameter portion is larger in diameter than the minimum inner diameter portion of the liquid passage valve seat portion 26 a of the liquid piston 26.
- the locking portion 38a and the liquid passage valve seat portion 26a of the liquid piston 26 constitute a secondary check valve.
- a large-diameter portion 38b that forms a step with respect to the upper portion is formed at the small-diameter lower end portion of the rod-shaped valve body 38 with the lower end tapered.
- the large-diameter portion 38b is held so as to be movable up and down only within a predetermined range by being engaged from the outside by an inward annular protrusion 32d provided at the upper end of the cylindrical locking body 32. Accordingly, the rod-shaped valve body 38 is held so as to be movable up and down only within a predetermined range with respect to the liquid cylinder 24A, and the upper limit position of the liquid piston 26 is regulated by the rod-shaped valve body 38. Yes.
- the lower end portion of the small diameter of the rod-shaped valve body 38 is preferably configured to generate a frictional resistance to the extent that the movement is not hindered when moving up and down while being held by the cylindrical locking body 32. .
- the locking portion 38a is brought into contact with the liquid chamber valve seat portion 26a by frictional resistance. Since it is pressed, there is no problem that the locking portion 38a that comes into contact with the valve seat portion 26a is lifted, and the sealing can be suitably performed.
- the cylindrical locking body 32 is provided so as to be in contact with the upper surface of the pedestal portion 24d below the liquid cylinder 24A, and an annular receiving portion 32a is formed at the lower end portion thereof so as to project outward.
- an upper cylindrical portion 32b is formed above the annular receiving portion 32a.
- the cylindrical portion 32b is formed with a plurality of radial opening grooves or split grooves serving as liquid passages, and a non-perforated cylindrical portion 32c is formed thereabove. ing.
- An inward annular protrusion 32d is subsequently formed at the upper end of the non-hole cylindrical portion 32c.
- the annular receiving portion 32a at the lower end is a receiving portion on the lower end side of the coil spring.
- the large-diameter portion 38b at the lower end of the rod-shaped valve body 38 is locked by an inward annular protrusion 32d formed at the upper end of the cylindrical locking body 32, and the rod-shaped valve body 38 is prevented from rising, thereby preventing the rod-shaped valve body 38 from moving upward.
- the upper limit position of the liquid piston 26 biased upward by the coil spring is regulated in cooperation with the contact of the locking portion 38a with the liquid passage valve seat portion 26a of the liquid piston 26.
- the annular receiving portion 32 provided at the lower end of the cylindrical locking body 32 functions as a ball valve locking portion whose inner portion prevents the ball valve 30 from rising in the primary check valve. The ascent distance by the buoyancy of the ball valve 30 is regulated.
- the cylindrical locking body 32 is configured to be movable up and down within a predetermined range with respect to the liquid cylinder 24A. That is, the lower surface of the annular receiving portion 32a of the cylindrical locking body is provided in a state where it can contact the upper surface of the pedestal portion 24d below the liquid cylinder 24A, but is fixed to the upper surface of the pedestal portion 24d. However, the entire cylindrical locking body 32 can be moved up and down by a predetermined range with respect to the liquid cylinder 24A.
- the nozzle head 22 is moved to a top dead center position as a pump (contraction of the coil spring begins to occur).
- the liquid piston 26, the coil spring, and the cylindrical locking body 32 move upward in conjunction with the nozzle head 22, and the cylindrical locking body 32
- the lower surface of the annular receiving portion 32a is separated from the upper surface of the pedestal portion 24d below the liquid cylinder 24A, and a predetermined interval is provided between the lower surface of the annular receiving portion 32a and the upper surface of the pedestal portion 24d.
- the nozzle head 22 In the secondary check valve, the nozzle head 22 is pushed down, the coil spring contracts, and the liquid piston 26 descends, so that the locking portion 38a of the rod-shaped valve body 38 becomes the liquid chamber valve seat portion 26a. The upper end outlet of the liquid piston 26 is opened.
- the nozzle head 22 is pulled upward further from the top dead center position as a pump, the lower surface of the annular receiving portion 32a of the cylindrical locking body 32 is below the liquid cylinder 24A.
- a ball valve having a higher specific gravity than a general liquid preparation such as a stainless steel ball valve is usually used as a primary check valve.
- a stainless steel ball valve is used as a primary check valve of a pump-type discharge container having the above-described configuration
- the nozzle head 22 is pumped while the liquid preparation is filled in the liquid chamber A.
- the stainless steel ball valve descends due to gravity, so that the primary check valve is closed. From this state, even if the nozzle head 22 is pushed down to discharge the liquid preparation again, both the primary check valve and the secondary check valve are closed.
- the liquid preparation filled inside is forcibly compressed and the nozzle head 22 must be forced down until the opening of the secondary check valve begins.
- a ball valve having a specific gravity larger than that of a general liquid formulation, such as a stainless steel ball valve is used, once the nozzle head 22 is pulled up, a large force may be required at the time of the first depression.
- the pump-type discharge container according to the first embodiment of the present invention uses the ball valve 30 made of polypropylene resin having a specific gravity of 0.90 to 0.91.
- the ball valve 30 having a specific gravity smaller than that of a general liquid preparation is always urged upward by buoyancy, does not come into contact with the valve seat portion 24c, and is a primary check.
- the valve is open. For this reason, the primary check valve is opened when the nozzle head 22 is pulled up beyond the biasing force of the coil spring while the liquid preparation is filled in the liquid chamber A.
- the primary check valve is in an open state, so that the liquid preparation filled in the liquid chamber A is the first.
- the resistance when the nozzle head 22 is first pushed down becomes very small.
- FIG. 2 shows an operational state explanatory diagram when the nozzle head of the pump type discharge container (using the polypropylene resin ball valve 30) according to the first embodiment of the present invention is moved.
- FIG. 3 shows an operation state explanatory diagram of a conventional (comparative) pump-type discharge container (using a stainless steel ball valve 31).
- the liquid is filled in the container body from the completion of the assembly until just before the consumer starts using, for example, as shown in FIG.
- the liquid piston 26 is raised to the position of the top dead center as a pump by the biasing force of the coil spring, and the nozzle head 22 is pulled upward from the top dead center position.
- a stopper 40 is interposed between the nozzle head 22 and the base cap 22, and the position of the nozzle head 22 is fixed at the upper limit position.
- the liquid piston 26, the coil spring, and the cylindrical locking body 32 are moved upward in conjunction with the nozzle head 22, the lower surface of the annular receiving portion 32 a of the cylindrical locking body 32.
- the primary check valve is such that the polypropylene resin ball valve 30 is in contact with the ball valve seat portion 24e by gravity and the lower end inlet of the liquid chamber A is closed. Yes.
- the secondary check valve since the liquid piston 26 is raised to the upper limit position by the biasing force of the coil spring, the rod-shaped valve body 38 closes the upper end outlet of the liquid piston 26. For this reason, in the pump type foam discharge container at the time of shipment, both the primary check valve and the secondary check valve are closed.
- the specific gravity of the ball valve 31 is a general liquid. Since it is larger than the specific gravity of the preparation, the ball valve 31 is lowered by gravity, and the primary check valve is closed. From this state, when the nozzle head 22 is pushed down in order to discharge the liquid preparation again, both the primary check valve and the secondary check valve are closed. It is necessary to forcefully push down the nozzle head 22 by a predetermined distance between the lower surface of the annular receiving portion 32a of the stationary body 32 and the upper surface of the pedestal portion 24d below the liquid cylinder 24A.
- the pump-type discharge container of the present embodiment uses a ball valve 30 made of polypropylene resin having a specific gravity of 0.90 to 0.91, as shown in FIG.
- the ball valve 30 having a specific gravity smaller than that of a general liquid preparation is always urged upward by buoyancy, so the primary check valve is opened. . Therefore, even if the nozzle head 22 is pulled up and then the nozzle head 22 is pushed down to discharge the liquid formulation again, the liquid formulation filled in the liquid chamber A remains in the primary check valve. Partly flows back into the container body, and the resistance when the nozzle head 22 is pushed down becomes very small.
- the ball valve 30 is pushed down by the flow of the liquid formulation flowing backward, and when the liquid pressure by the liquid formulation in the liquid chamber A exceeds the buoyancy of the ball valve 30, FIG. ), The ball valve 30 is pressed against the lower valve seat portion 24c, and the primary check valve is closed.
- the primary check valve is closed by the fluid pressure in the fluid chamber A, and the lower surface of the annular receiving portion 32a comes into contact with the upper surface of the pedestal portion 24d to cause contraction of the coil spring.
- the liquid in the liquid chamber A passes through the secondary check valve, is pumped into the nozzle head 22, and is discharged from the discharge port 22c.
- the liquid can be discharged with a light force at the time of the initial depression, and the depression width of the nozzle head 22 is changed. This makes it easy to adjust the liquid discharge amount.
- FIG. 6 is an operation state diagram of a pump-type discharge container (using a membrane valve body 130 interlocked with a cylindrical locking body) according to the second embodiment of the present invention, and FIG. The operation state explanatory view of the pump discharge container concerning the embodiment (using ball valve seat 232 interlocked with the cylindrical latching body) is shown, respectively.
- the nozzle head 122 is interlocked with the nozzle head 122 in a state where the nozzle head 122 is pulled up to the maximum immediately before the consumer starts use. Since the liquid piston 126, the coil spring, and the cylindrical locking body 132 are moved upward, the membrane valve body 132e provided at the lower end of the cylindrical locking body 132 is a liquid cylinder. It is separated from the upper surface of the lower pedestal portion 124d of 124A, a predetermined interval is provided between them, and the primary check valve is opened. On the other hand, the liquid piston 126 is raised to the upper limit position by the urging force of the coil spring, and the rod-shaped valve body 138 closes the upper end outlet of the liquid piston 126, so the secondary check valve is closed. Yes.
- the membranous valve element 132e becomes the upper surface of the liquid cylinder lower pedestal portion 124d.
- the primary check valve is opened. For this reason, even if the nozzle head 122 is pulled up to the upper limit position and then the nozzle head 122 is pushed down to discharge the liquid preparation again, as shown in FIG. Since the valve is opened, the liquid preparation filled in the liquid chamber A partially flows back into the container body, and the resistance when the nozzle head 122 is pushed down becomes very small.
- the membrane valve body 132e comes into contact with the upper surface of the liquid cylinder lower pedestal portion 124d, and the inside of the liquid chamber A and the pipe body 112 are contacted. Since the first check valve is closed, the liquid in the liquid chamber A passes through the opened second check valve and is discharged from the discharge port 122c of the nozzle head 122. .
- the nozzle head 222 is shown in FIG. In a state where it is pushed down below the upper limit position of 6 (a), the cylindrical locking body 232 is also lowered in conjunction with this, so that as shown in FIG.
- the ball valve seat portion 232e at the lower end contacts the upper surface of the lower pedestal portion 224d of the liquid cylinder 224A to close the communication between the liquid chamber A and the tube body 212, and the primary check valve is closed. Is done.
- the pump-type discharge container of the above-described embodiment is a foam discharge container, and is a container that mixes foamable liquid contained in the container with air and discharges it in the form of foam.
- the liquid discharge container is not limited to a container and may be any liquid discharge container that discharges the liquid in the container body.
- the other pump mechanisms are not limited to the mechanism shown in the above embodiment, and can be implemented by other conventionally known pump mechanisms, and other components are used for specific purposes. It is possible to change the design appropriately according to the above.
Landscapes
- Closures For Containers (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
前記第一次逆止弁が、前記液室内に所望の液体が満たされ、且つ前記ノズルヘッド部が上方向に最大限引き上げられた状態において、前記液用シリンダ部と前記容器本体内との連通を開放していることを特徴とするものである。
また、前記ポンプ式吐出容器において、前記第一次逆止弁に用いられるボールが、比重1.00未満の樹脂からなるボールであることが好適である。
また、前記ポンプ式吐出容器において、前記第一次逆止弁に用いられるボールが、ポリエチレン、ポリプロピレン、エチレン-酢酸ビニル共重合体から選ばれる樹脂からなることが好適である。
また、前記ポンプ式吐出容器において、前記ボールの上昇を妨げるボール係止部が設けられていることが好適である。
12 管体
20 ベースキャップ部
22 ノズルヘッド
24 二重シリンダ(24A:液用シリンダ,24B:空気用シリンダ)
26 液用ピストン
28 空気用ピストン
30 ボール弁
32 筒状係止体
34 弾性弁体
36 多孔体ホルダ
38 棒状弁体
本実施形態にかかるポンプ式吐出容器は、液体が収容される容器本体と、該容器本体の上端の口部に着脱自在に装着される吐出ポンプ体と、該吐出ポンプ体と連通して容器本体の内部へと延びた管体とを備えている。
図1に、本発明の第一実施形態にかかる吐出ポンプ体10の断面図(出荷時のノズルヘッドが上限位置にある状態の正面断面図)を示す。
二重シリンダ24は、一つの部品として合成樹脂を用いて射出成形法等によって一体成形されたものである。すなわち、同心的に配置された大径の空気用シリンダ24Bと小径の液用シリンダ24Aとが一体的に成形されたものであり、また、空気用シリンダ24Bの上端開口縁部には、容器本体の口部上端に載置される円環状のフランジ部24aが形成されている。
本発明の第一実施形態の吐出ポンプ体10においては、液用シリンダ24Aの下端付近の略漏斗状のボール弁座部24e上にボール弁30が載置されており、弁座部24eとボール弁30とによって第一次逆止弁が構成されている。
図4,5に、第一次逆止弁として、前記第一実施形態とは異なる弁構造を使用した例として、本発明の第二,第三実施形態にかかる吐出ポンプ体110,210の断面図を示す。なお、第二,第三実施形態において、第一次逆止弁を除いた他の構成は、第一次実施形態と同一であるため、説明を省略する。
したがって、前記第二,第三実施形態のように、筒状係止体と連動した弁構造とすることによって、一般的な液体製剤の比重よりも軽い比重の素材を用いずとも、前記第一実施形態と同等の効果を奏することができる。
空気用ピストン28の中間連結部28dの外周側下面と、液用ピストン26の外周面に形成された環状突部26b上面との間には、軟質合成樹脂製の弾性弁体34が設けられている。弾性弁体34は、空気用ピストン28の中間連結部28dに開設された吸気孔28gと、空気用ピストン28及び液用ピストン30の圧入連結部分に形成された空気通路Dの入口側(空気室B側)とに対し、空気室Bの負圧時にのみ吸気孔28gを連通し(第一吸気弁)、且つ空気室Bの加圧時にのみ空気室Bと空気通路Dとを連通する(第二吸気弁)。
本実施形態の吐出ポンプ体10においては、液用ピストン26と液用シリンダ24Aとによって形成される空間内には、合成樹脂製の棒状弁体38が設けられている。また、液用シリンダ24A内の下方空間には、棒状弁体38の上昇を制限する合成樹脂製の筒状係止体32が設けられている。そして、棒状弁体38の先端に設けられた係止部38aと、液用ピストン26上端部に設けられた漏斗状の液室弁座部26aが当接することによって液用ピストン26の上端出口は閉塞され、ノズルヘッド22が下降すると、液室弁座部26aが下降することで、棒状弁体38の係止部38aと液室弁座部26aが離れて、液用ピストン26の上端出口が開放される。
つづいて、本実施形態にかかる吐出ポンプ体の作動状態について、以下に説明する。
図2に、本発明の第一実施形態にかかるポンプ式吐出容器(ポリプロピレン樹脂製ボール弁30を使用)のノズルヘッド移動時の作動状態説明図を示す。また、比較のため、図3に、従来品(比較品)のポンプ式吐出容器(ステンレス製ボール弁31を使用)の作動状態説明図を示す。
Claims (7)
- 容器本体と、該容器本体の口部に装着される吐出ポンプ体とを備え、該吐出ポンプ体の上方に設けられたノズルヘッド部を上下動させることで、該容器本体内に収容された液体を該ノズルヘッド部に設けられた吐出口から吐出するポンプ式吐出容器であって、
前記吐出ポンプ体は、
前記容器本体内と連通可能な筒状の液用シリンダ部と、
前記液用シリンダ部と前記容器本体内との連通を開閉可能とする第一次逆止弁と、
前記ノズルヘッド部と連動して上下動可能な筒状の部材であって、その下方末端の外側面が前記液用シリンダ部の内壁面と摺接し、前記液用シリンダ部とにより囲まれた空間を液室として構成し、その上方の開口端を通じて前記ノズルヘッド部内と連通可能な液用ピストン部と、
前記液用シリンダ部と前記液用ピストン部とにより囲まれた空間内に設けられた棒状の部材であって、上方末端が前記液用ピストン部の上方開口端を貫通しており、且つその貫通した上方末端において、該液用ピストン部の開口端の径よりも大きな外径に拡径された拡径部分が設けられ、該拡径部分と該液用ピストン部の開口端とが当接して該開口端を閉塞し、あるいは該拡径部分と該開口端とが当接しないことで該開口端を開放することによって前記液用ピストン部内と前記ノズルヘッド部内との連通を開閉可能とする第二次逆止弁を構成する棒状弁体と、
前記棒状弁体の下方末端に外側から係合する筒状の部材であって、該筒状部材の下方末端に外側に張り出して設けられた拡径部分の下面が前記液用シリンダ部の底部周縁に内側に張り出して設けられた台座部分の上面と当接可能な筒状係止部と、
前記液用ピストン部の下方末端と前記筒状係止部の拡径部分の上面との間に介在し、該液用ピストン部と該筒状係止部との間隙を拡げる方向へと付勢するスプリング部と、
前記液用ピストン部内と前記上方開口端を介して連通可能であり、末端に吐出口が設けられた筒状のノズルヘッド部と
を備え、
前記ノズルヘッド部の下方向への移動によって前記スプリング部の収縮が生じ始める上死点の位置からさらに該ノズルヘッド部を上方向へと移動させた際、該ノズルヘッド部と連動して前記液用ピストン部、前記スプリング部及び前記筒状係止部がともに上方向へ移動し、前記筒状係止部の拡径部分の下面が前記液用シリンダ部の底部周縁台座部分の上面を離れることで該拡径部分の下面と該底部周縁台座部分の上面との間に所定の間隔が設けられ、前記筒状係止部を前記液用シリンダ部に対して所定範囲で上下動可能としたポンプ式吐出容器において、
前記第一次逆止弁が、前記液室内に所望の液体が満たされ、且つ前記ノズルヘッド部が下方向へと移動していない状態において、前記液用シリンダ部と前記容器本体内との連通を開放している
ことを特徴とするポンプ式吐出容器。 - 請求項1に記載のポンプ式吐出容器において、前記第一次逆止弁が、見かけの比重が1.00未満のボールと、前記液用シリンダ部に設けられた該ボールの直径よりも小径の弁座部分とにより構成されていることを特徴とするポンプ式吐出容器。
- 請求項2に記載のポンプ式吐出容器において、前記第一次逆止弁に用いられるボールが、比重1.00未満の樹脂からなるボールであることを特徴とするポンプ式吐出容器。
- 請求項3に記載のポンプ式吐出容器において、前記第一次逆止弁に用いられるボールが、ポリエチレン、ポリプロピレン、エチレン-酢酸ビニル共重合体から選ばれる樹脂からなることを特徴とするポンプ式吐出容器。
- 請求項2から4のいずれかに記載のポンプ式吐出容器において、前記ボールの上昇を妨げるボール係止部が設けられていることを特徴とするポンプ式吐出容器。
- 請求項1に記載のポンプ式吐出容器において、前記第一次逆止弁が、前記筒状係止体の下方末端の拡径部分に設けられた膜状弁体と、前記液用シリンダ部の底部周縁台座部分とにより構成されていることを特徴とするポンプ式吐出容器。
- 請求項1に記載のポンプ式吐出容器において、前記第一次逆止弁が、ボールと、前記筒状係止体の下方末端の拡径部分に設けられた該ボールの直径よりも小径の弁座部分とにより構成されていることを特徴とするポンプ式吐出容器。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2013218641A AU2013218641A1 (en) | 2012-02-09 | 2013-02-07 | Pump-type discharge container |
JP2013557564A JP6144209B2 (ja) | 2012-02-09 | 2013-02-07 | ポンプ式吐出容器 |
US14/376,926 US9308541B2 (en) | 2012-02-09 | 2013-02-07 | Pump-dispensing container |
CN201380008720.6A CN104105645B (zh) | 2012-02-09 | 2013-02-07 | 泵式喷出容器 |
EP13746052.3A EP2813444B1 (en) | 2012-02-09 | 2013-02-07 | Pump-type discharge container |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-025857 | 2012-02-09 | ||
JP2012025857 | 2012-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013118816A1 true WO2013118816A1 (ja) | 2013-08-15 |
Family
ID=48947573
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/052851 WO2013118816A1 (ja) | 2012-02-09 | 2013-02-07 | ポンプ式吐出容器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9308541B2 (ja) |
EP (1) | EP2813444B1 (ja) |
JP (1) | JP6144209B2 (ja) |
CN (1) | CN104105645B (ja) |
AU (1) | AU2013218641A1 (ja) |
WO (1) | WO2013118816A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6023861B1 (ja) * | 2015-08-31 | 2016-11-09 | 株式会社ハタ | レフィル容器及びポンプ容器 |
CN112424080A (zh) * | 2018-07-18 | 2021-02-26 | 花王株式会社 | 泡沫喷出器 |
KR102668396B1 (ko) * | 2023-08-16 | 2024-05-22 | 박대한 | 유체 펌프디스펜서 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102128801B1 (ko) * | 2013-01-31 | 2020-07-01 | 가부시키가이샤 요시노 고교쇼 | 거품 토출기 |
GB201603949D0 (en) * | 2016-03-08 | 2016-04-20 | Rieke Packaging Systems Ltd | Foam dispensers |
BR112019000996A2 (pt) * | 2016-07-18 | 2019-05-14 | Rpc Bramlage Gmbh | dispenser para massas líquidas até pastosas |
CN106214036A (zh) * | 2016-08-11 | 2016-12-14 | 江门市爱威特电器有限公司 | 一种新型皂液泵 |
US10583450B2 (en) * | 2018-04-24 | 2020-03-10 | Gerhard Brugger | Dosing dispenser |
CN109305467A (zh) * | 2018-09-11 | 2019-02-05 | 珠海市华迅塑料泵业有限公司 | 一种防回流泡沫泵结构 |
JP7289758B2 (ja) * | 2019-08-29 | 2023-06-12 | 大和製罐株式会社 | ポンプ式吐出装置 |
KR20220062491A (ko) * | 2019-09-13 | 2022-05-17 | 가부시키가이샤 미타니 밸브 | 내용물 분출 유닛 및 분출 용기 |
KR102415118B1 (ko) * | 2020-07-27 | 2022-06-29 | 강성일 | 펌프 용기 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002011390A (ja) * | 2000-04-21 | 2002-01-15 | Sanyo Harutsu Kk | 容器内液体吐出用ポンプ |
JP2003321048A (ja) * | 2002-04-30 | 2003-11-11 | Yoshino Kogyosho Co Ltd | 縦形ポンプ式液体噴出容器 |
JP2004217283A (ja) | 2003-01-17 | 2004-08-05 | Daiwa Can Co Ltd | 吐出ポンプ |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4887744A (en) * | 1988-06-08 | 1989-12-19 | Williams Forrest D | Dispenser for a carbonated beverage bottle |
US5025956A (en) * | 1988-10-11 | 1991-06-25 | Linsenbigler James G | Safety top sprayer |
NL1031092C2 (nl) * | 2006-02-07 | 2007-08-08 | Airspray Nv | Zelfreinigende schuimafgifteinrichting. |
US20090008412A1 (en) | 2007-04-10 | 2009-01-08 | Choi Hee Jin | Foam pump dispenser having leakage prevention function against reverse flow |
CN201388957Y (zh) * | 2009-03-23 | 2010-01-27 | 刘宜松 | 给皂泵结构的改良 |
JP5873247B2 (ja) * | 2011-03-22 | 2016-03-01 | 大和製罐株式会社 | ポンプ式泡吐出容器 |
CN102285484A (zh) * | 2011-07-01 | 2011-12-21 | 上海德昕日化有限公司 | 泡沫泵 |
-
2013
- 2013-02-07 CN CN201380008720.6A patent/CN104105645B/zh active Active
- 2013-02-07 EP EP13746052.3A patent/EP2813444B1/en active Active
- 2013-02-07 US US14/376,926 patent/US9308541B2/en active Active
- 2013-02-07 AU AU2013218641A patent/AU2013218641A1/en not_active Abandoned
- 2013-02-07 JP JP2013557564A patent/JP6144209B2/ja active Active
- 2013-02-07 WO PCT/JP2013/052851 patent/WO2013118816A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002011390A (ja) * | 2000-04-21 | 2002-01-15 | Sanyo Harutsu Kk | 容器内液体吐出用ポンプ |
JP2003321048A (ja) * | 2002-04-30 | 2003-11-11 | Yoshino Kogyosho Co Ltd | 縦形ポンプ式液体噴出容器 |
JP2004217283A (ja) | 2003-01-17 | 2004-08-05 | Daiwa Can Co Ltd | 吐出ポンプ |
Non-Patent Citations (1)
Title |
---|
See also references of EP2813444A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6023861B1 (ja) * | 2015-08-31 | 2016-11-09 | 株式会社ハタ | レフィル容器及びポンプ容器 |
CN112424080A (zh) * | 2018-07-18 | 2021-02-26 | 花王株式会社 | 泡沫喷出器 |
US11351560B2 (en) * | 2018-07-18 | 2022-06-07 | Kao Corporation | Foam discharger |
KR102668396B1 (ko) * | 2023-08-16 | 2024-05-22 | 박대한 | 유체 펌프디스펜서 |
Also Published As
Publication number | Publication date |
---|---|
EP2813444A4 (en) | 2015-11-04 |
JPWO2013118816A1 (ja) | 2015-05-11 |
EP2813444B1 (en) | 2019-04-10 |
EP2813444A1 (en) | 2014-12-17 |
AU2013218641A1 (en) | 2014-08-28 |
US20150001254A1 (en) | 2015-01-01 |
CN104105645A (zh) | 2014-10-15 |
JP6144209B2 (ja) | 2017-06-07 |
US9308541B2 (en) | 2016-04-12 |
CN104105645B (zh) | 2016-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6144209B2 (ja) | ポンプ式吐出容器 | |
JP5873247B2 (ja) | ポンプ式泡吐出容器 | |
JP5603753B2 (ja) | ポンプ式泡吐出容器 | |
JP6226763B2 (ja) | ポンプ式吐出容器 | |
NL2009084C2 (en) | Foam dispensing assembly. | |
WO1996015952A1 (fr) | Recipient equipe d'une pompe d'injection de bulles | |
JP6745186B2 (ja) | 吐出器用アタッチメント及び吐出器 | |
JP2016510290A (ja) | 計量バルブ | |
JP4716462B2 (ja) | ポンプ式泡出し容器 | |
JP7493201B2 (ja) | ポンプディスペンサー | |
JP6240498B2 (ja) | フォーマディスペンサ | |
JP2007320594A (ja) | 吐出容器 | |
JP5603734B2 (ja) | ポンプ式吐出容器 | |
JP5222576B2 (ja) | 吐出器およびピストン部材 | |
JP5283159B2 (ja) | ポンプの押下ヘッド | |
JP2014196116A (ja) | ポンプ式吐出容器 | |
JP7438081B2 (ja) | 吐出器 | |
JP6240522B2 (ja) | フォーマディスペンサ | |
JP2013028372A (ja) | スプレー容器 | |
JP5574370B2 (ja) | 正倒立噴出可能な液体噴出器 | |
JP5663417B2 (ja) | スプレー容器 | |
JP2014196115A (ja) | ポンプ式吐出容器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13746052 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2013557564 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14376926 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2013746052 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2013218641 Country of ref document: AU Date of ref document: 20130207 Kind code of ref document: A |