Classifications

• • 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
• • 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
  • B05B11/0008—Sealing or attachment arrangements between sprayer and 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
  • B05B11/0005—Components or details
  • B05B11/0059—Components or details allowing operation in any orientation, e.g. for discharge in inverted position
• • 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
  • B05B11/0067—Lift valves having a valve seat located downstream the valve element
• • 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
  • B05B11/1066—Pump inlet valves
  • B05B11/1067—Pump inlet valves actuated by pressure

Definitions

• a configuration including an upright-attitude inlet having a content liquid inlet of a cylinder part into which a content liquid in a container main body can be introduced during the upright attitude of the discharge device, an inverted-attitude inlet having a content liquid inlet into which a content liquid in the container main body can be introduced during the inverted attitude of the discharge device, a relay port able to communicate with the content liquid inlet, the upright-attitude inlet, and the inverted-attitude inlet, a first switching valve abutting an upright-attitude valve seat and configured to cut off communication between the inverted-attitude inlet and the relay port during the upright attitude of the discharge device, and a second switching valve abutting an inverted-attitude valve seat and configured to cut off communication between the upright-attitude inlet and the relay port during the inverted attitude of the discharge device.
• the inside of the container main body and the content liquid inlet of the cylinder part are communicating with respect to each other through the upright-attitude inlet and the relay port during the upright attitude of the discharge device, and the inside of the container main body and the content liquid inlet are communicating with respect to each other through the inverted-attitude inlet and the relay port during the inverted attitude of the discharge device.
• Patent Document 1 Japanese Unexamined Patent Application, First Publication No. 2017-47355
• the second switching valve In the unit for upright and inverted attitudes, when the content liquid in the container main body is introduced into the content liquid inlet of the cylinder part during the upright attitude of the discharge device, the second switching valve approaches the inverted-attitude valve seat on the liquid flow of the content liquid, and decompression in the cylinder part is exerted on the second switching valve through the relay port. Accordingly, the second switching valve may be pressed against the inverted-attitude valve seat.
• the first switching valve approaches the upright-attitude valve seat on the liquid flow of the content liquid, and the decompression in the cylinder part is exerted on the first switching valve through the relay port. Accordingly, the first switching valve may be pressed against the upright-attitude valve seat.
• a first aspect of the present invention is a unit for upright and inverted attitudes attached to a cylinder part of a discharge device, the unit for upright and inverted attitudes including: an upright-attitude inlet into which a content liquid in a container main body is able to be introduced into a content liquid inlet of the cylinder part during an upright attitude of the discharge device; an inverted-attitude inlet into which the content liquid in the container main body is able to be introduced into the content liquid inlet during an inverted attitude of the discharge device; a relay port that is able to communicate with the content liquid inlet, the upright-attitude inlet, and the inverted-attitude inlet; a first switching valve abutting an upright-attitude valve seat and configured to cut off communication between the inverted-attitude inlet and the relay port during the upright attitude of the discharge device; a second switching valve abutting an inverted-attitude valve seat and configured to cut off communication between the upright-attitude inlet and the relay port during the inverted attitude of the discharge device; and at least one
• the unit for upright and inverted attitudes includes at least one of the first prevention part and the second prevention part, the first prevention part being configured to prevent the second switching valve from entering the first path through which the content liquid is directed toward the relay port from the upright-attitude inlet during the upright attitude of the discharge device, and the second prevention part being configured to prevent the first switching valve from entering the second path through which the content liquid is directed toward the relay port from the inverted-attitude inlet during the inverted attitude of the discharge device.
• the preventing the content liquid flowing through the first path from coming into contact with the second switching valve, the second switching valve from riding the liquid flow of the content liquid and approaching the inverted-attitude valve seat, during the upright attitude of the discharge device, and the preventing the content liquid flowing through the second path from coming into contact with the first switching valve, the first switching valve from riding the liquid flow of the content liquid and approaching the upright-attitude valve seat, during the inverted attitude of the discharge device.
• the preventing the second switching valve when the content liquid is introduced into the content liquid inlet of the cylinder part, it is possible to do at least one of the preventing the second switching valve from being pressed against the inverted-attitude valve seat due to decompression in the cylinder part exerted through the relay port during the upright attitude of the discharge device and the preventing the first switching valve from being pressed against the upright-attitude valve seat due to decompression in the cylinder part exerted through the relay port during the inverted attitude of the discharge device, and it is possible to smoothly introduce the content liquid in the container main body into the cylinder part.
• the unit for upright and inverted attitudes of the first aspect further includes an outer tube member fitted onto the cylinder part and having a lower end opening that becomes the upright-attitude inlet, wherein a topped tubular covering portion protruding upward and configured to cover the upright-attitude inlet from above is formed on an opening circumferential edge portion of the upright-attitude inlet in an inner surface of the outer tube member, a side opening that opens in a radial direction and configured to communicate with the upright-attitude inlet and an inside of the outer tube member is formed in a circumferential wall of the covering portion, and the first prevention part configured to prevent the second switching valve from entering the first path during the upright attitude of the discharge device protrudes upward from a top wall of the covering portion.
• the side opening configured to communicate with the upright-attitude inlet and the inside of the outer tube member is formed in the circumferential wall of the covering portion, and the first prevention part protrudes upward from the top wall of the covering portion.
• the second switching valve is located in a space surrounded by the first prevention part, the upper surface of the top wall of the covering portion and the inner circumferential surface of the outer tube member during the upright attitude of the discharge device. Accordingly, it is possible to reliably prevent the second switching valve from entering the first path.
• the guide portion configured to guide the second switching valve attempting to enter the inlet portion of the first path toward the back surface of the first prevention part during the upright attitude of the discharge device is provided inside the outer tube member. Accordingly, it is possible to reliably prevent the second switching valve from entering the first path.
• the unit for upright and inverted attitudes further includes at least one escape recess of a first escape recess and a second escape recess, the first escape recess being configured to allow the second switching valve to enter therein and separate the second switching valve from the first path on a side opposite to the inverted-attitude valve seat and in a direction crossing an opening direction of the upright-attitude inlet during the upright attitude of the discharge device, and the second escape recess being configured to allow the first switching valve to enter therein and separate the first switching valve from the second path on a side opposite to the upright-attitude valve seat and in a direction crossing an opening direction of the inverted-attitude inlet during the inverted attitude of the discharge device.
• the preventing the content liquid flowing through the first path from coming into contact with the second switching valve, the second switching valve from riding the liquid flow of the content liquid and approaching the inverted-attitude valve seat, during the upright attitude of the discharge device, and the preventing the content liquid flowing through the second path from coming into contact with the first switching valve, the first switching valve from riding the liquid flow of the content liquid and approaching the upright-attitude valve seat, during the inverted attitude of the discharge device.
• the preventing the second switching valve when the content liquid is introduced into the content liquid inlet, it is possible to do at least one of the preventing the second switching valve from being pressed against the inverted-attitude valve seat due to decompression in the cylinder part exerted through the relay port during the upright attitude of the discharge device, and the preventing the first switching valve from being pressed against the upright-attitude valve seat due to decompression in the cylinder part exerted through the relay port during the inverted attitude of the discharge device, and it is possible to smoothly introduce the content liquid in the container main body into the cylinder part.
• the switching valve enters the inside of the at least one prevention part and is accommodated therein. Accordingly, when the content liquid in the container main body is introduced into the content liquid inlet of the cylinder part, it is possible to reliably do at least one of the preventing the content liquid flowing through the first path from coming into contact with the second switching valve, the second switching valve from riding the liquid flow of the content liquid and approaching the inverted-attitude valve seat, during the upright attitude of the discharge device, and the preventing the content liquid flowing through the second path from coming into contact with the first switching valve, the first switching valve from riding the liquid flow of the content liquid and approaching the upright-attitude valve seat, during the inverted attitude of the discharge device.
• a unit 1 for upright and inverted attitudes constitutes a part of a discharge device 10 including a pump 11, a discharge head 12, a pressing member 13, and a mounting cap 14.
• the pump 11 includes a cylinder part 21, a piston part 22, a first biasing member 23, and a lower valve body 24.
• a content liquid in a container main body W is introduced into the cylinder part 21 through a content liquid inlet 21f by a decrease in an internal pressure due to an increase in an internal volume of the cylinder part 21, and the content liquid in the cylinder part 21 is sent to the discharge head 12 by an increase in an internal pressure due to a decrease in an internal volume of the cylinder part 21.
• Each of the cylinder part 21, the piston part 22, and the first biasing member 23 is formed in a tubular shape and is arranged coaxially with a common shaft.
• the common shaft is referred to as an axis O
• a side of the discharge head 12 in an axis O direction is referred to as an upper side
• a side of the unit 1 for upright and inverted attitudes in the axis O direction is referred to as a lower side
• a direction along the axis O is referred to as an upward/downward direction.
• a direction crossing the axis O when seen in the upward/downward direction is referred to as a radial direction
• a direction around the axis O when seen in the upward/downward direction is referred to as a circumferential direction.
• the cylinder part 21 is inserted into a mouth portion W1 of the container main body W in which a content liquid is accommodated.
• a flange portion 21a protruding outward in the radial direction is formed on the cylinder part 21.
• the flange portion 21a is placed on an upper end opening edge of the mouth portion W1 via a packing.
• a first connecting tube portion 21b protruding upward is formed on the flange portion 21a.
• the first connecting tube portion 21b is disposed coaxially with the axis O.
• the first biasing member 23 is a coil spring extending in the upward/downward direction.
• the lower valve body 24 is, for example, a ball valve, and is provided in a lower tip portion of the cylinder part 21.
• a valve seat portion 21e protruding inward in the radial direction and having a diameter reduced downward is formed on an inner circumferential surface of the lower tip portion of the cylinder part 21.
• a lower end opening of the valve seat portion 21e is the content liquid inlet 21f through which the content liquid in the container main body W is introduced into the cylinder part 21.
• the lower valve body 24 is mounted upwardly and separably on the upper surface of the valve seat portion 21e.
• the lower valve body 24 is a check valve configured to cut off communication between the inside of the container main body W and the inside of the cylinder part 21 during pressurization in the cylinder part 21 and allow communication between the inside of the container main body W and the inside of the cylinder part 21 during decompression in the cylinder part 21.
• the mounting cap 14 is mounted on the mouth portion W1.
• the mounting cap 14 is formed in a topped tubular shape having an annular top wall, and the first connecting tube portion 21b is inserted into the top wall.
• the flange portion 21a is sandwiched and fixed between the lower surface of the top wall and the upper end opening edge of the mouth portion W1 in the upward/downward direction.
• the support portion 25 includes a topped tubular second connecting tube portion 25a fitted onto the first connecting tube portion 21b, and a protrusion portion 25b protruding upward from the second connecting tube portion 25a.
• a top wall of the second connecting tube portion 25a is formed in an annular shape, the tube portion 22b of the piston part 22 is inserted thereinside.
• An upper end portion of the tube portion 22b protrudes upward from the second connecting tube portion 25a.
• the protrusion portion 25b is separated from the axis O in the radial direction.
• a side where the protrusion portion 25b is separated from the axis O is referred to as a rear side, and a side opposite thereto is referred to as a front side.
• a rear portion of the lever portion 26 extends forward from the upper end portion of the protrusion portion 25b and straddles the axis O in the forward/rearward direction.
• a front portion of the lever portion 26 extends downward from a front tip portion of the rear portion of the lever portion 26.
• the lever portion 26 is provided rotatably around the upper end portion of the protrusion portion 25b in the upward/downward direction.
• the lever portion 26 has an engagement portion 26a engaged with the discharge head 12. As the lever portion 26 rotates downward around the upper end portion of the protrusion portion 25b, the engagement portion 26a presses down on the discharge head 12.
• the discharge head 12 includes a main body portion 27, an accumulator valve 28, and a second biasing member 29.
• the main body portion 27 includes a horizontal tube 12a extending in the radial direction, and a vertical tube 12b extending downward from the horizontal tube 12a.
• the horizontal tube 12a extends in the forward/rearward direction and passes through the front portion of the lever portion 26 in the forward/rearward direction.
• a discharge hole 12c that opens forward is formed in a front tip portion of the horizontal tube 12a.
• the vertical tube 12b extends downward from a rear portion of the horizontal tube 12a.
• the vertical tube 12b is fitted onto the tube portion 22b of the piston part 22.
• the accumulator valve 28 is provided in the horizontal tube 12a, and cuts off communication between the inside of the vertical tube 12b and the discharge hole 12c.
• the accumulator valve 28 is provided within the rear portion of the horizontal tube 12a so as to be movable back and forth, and is biased forward by the second biasing member 29.
• the accumulator valve 28 moves backward against the biasing force of the second biasing member 29. Accordingly, communication is established between the inside of the vertical tube 12b and the discharge hole 12c, and the content liquid is discharged from the discharge hole 12c.
• the channel forming member 65 has an inverted-attitude inlet 65a through which the content liquid in the container main body W can be introduced into the content liquid inlet 21f of the cylinder part 21 during an inverted attitude of the discharge device 10.
• the channel forming member 65 is formed in a bottomed tubular shape and fitted onto a lower tip portion of the cylinder part 21.
• a seal tube portion 65c protruding downward is formed on an outer circumferential edge portion of a bottom wall portion of the channel forming member 65.
• the first outer tube portion 71 surrounds the outer circumferential surface of the channel forming member 65 with a gap in the radial direction.
• An annular gap extending in the circumferential direction is provided between the outer circumferential surface of the channel forming member 65 and the inner circumferential surface of the first outer tube portion 71.
• the inverted-attitude inlet 65a opens in the gap.
• An upper end opening of the first outer tube portion 71 is the intake hole 63c.
• the seal tube portion 65c of the channel forming member 65 is closely fitted into the lower tip portion of the first outer tube portion 71.
• first outer tube portion 71 may have only a lower tip portion fitted onto the seal tube portion 65c, and no portion located above the lower tip portion and no intake hole 63c, with the inverted-attitude inlet 65a opening into the container main body W.
• a relay port 64c of the inner tube member 64 which will be described below, opens in the second outer tube portion 72.
• a lower tip portion of the inner tube member 64 is closely fitted into the upper end portion of the third outer tube portion 73.
• a lower end opening of the third outer tube portion 73 is the upright-attitude inlet 63a that opens in the upward/downward direction.
• the second switching valve 62 is movably accommodated in the third outer tube portion 73.
• the second switching valve 62 is, for example, a ball valve.
• An upper end portion of a suction tube 67 is fitted into the fourth outer tube portion 74.
• a lower tip portion of the suction tube 67 is located at the bottom portion of the container main body W.
• the upright-attitude inlet 63a is in communication with the inside of the container main body W through the suction tube 67.
• a configuration may be adopted in which the fourth outer tube portion 74 is not provided and the upper end portion of the suction tube 67 is connected to, for example, the third outer tube portion 73.
• the inner tube member 64 is formed in a gourd shape (a shape like a gourd) with the intermediate portion in the upward/downward direction being constricted inward in the radial direction.
• An upper end portion of the inner tube member 64 is connected to a bottom wall portion of the channel forming member 65.
• the inner tube member 64 is constituted by, from top to bottom, a first inner tube portion 76, a second inner tube portion 77, and a third inner tube portion 78, lined up in this order.
• the first switching valve 61 enters a second path L2, which will be described below, during the upright attitude of the discharge device 10, and abuts against the upright-attitude valve seat 64d, cutting off communication between the inverted-attitude inlet 65a and the relay port 64c.
• the first switching valve 61 is disposed above the upright-attitude valve seat 64d.
• the first switching valve 61 is, for example, a ball valve, and is abutting the upright-attitude valve seat 64d to be separable upward.
• a lower end opening of the third inner tube portion 78 is the lower end opening 64a of the inner tube member 64.
• a lower tip portion of the third inner tube portion 78 is fitted into an upper end portion of the third outer tube portion 73 of the outer tube member 63.
• An inverted-attitude valve seat 64e extending downward is formed on an inner circumferential surface of the upper portion of the third inner tube portion 78. The inverted-attitude valve seat 64e extends inward in the radial direction as it goes upward.
• the second switching valve 62 is disposed below the inverted-attitude valve seat 64e.
• the second switching valve 62 is disposed to be able to abut the inverted-attitude valve seat 64e from below.
• the second switching valve 62 enters a first path L1, which will be described below, during the inverted attitude of the discharge device 10, and abuts the inverted-attitude valve seat 64e, and cutting off communication between the upright-attitude inlet 63a and the relay port 64c.
• An anti-sticking portion 64f configured to prevent sticking of the second switching valve 62 is formed on the inverted-attitude valve seat 64e.
• the anti-sticking portion 64f can be, for example, a groove or rib provided radially on the inverted-attitude valve seat 64e, but may be changed as appropriate to any irregularity that can prevent sticking of the second switching valve 62.
• the anti-sticking portion 64f does not need to be formed on the inverted-attitude valve seat 64e.
• the inner tube member 64 may be formed in a vertically symmetrical shape, and when the discharge device 10 is in the inverted attitude, the sealability between the second switching valve 62 and the inverted-attitude valve seat 64e is improved, and communication between the upright-attitude inlet 63a and the relay port 64c can be reliably cut off.
• a plug (topped tubular portion) 65b and a common channel 68 are formed in a bottom wall portion of the channel forming member 65.
• An interval between a part of the inner circumferential surface of the third outer tube portion 73 facing the side opening 51a and the front surface of the prevention part 75 (first prevention part) in the radial direction and the side opening 51a and the front surface of the prevention part 75 is greater than the outer diameter of the second switching valve 62.
• the guide portion 52 is provided on each side of the inner circumferential surface of the third outer tube portion 73, sandwiching in the circumferential direction the central portion in the circumferential direction of the side opening 51a and the prevention part 75 and the portions that face each other in the radial direction.
• the accumulator valve body 123 is disposed between the stem tube 82a and the accumulator piston 122.
• the accumulator valve body 123 includes a column 123a and a seating portion 123b.
• the column 123a is formed in a columnar shape disposed coaxially with the axis O. An upper end portion of the column 123a is fitted and fixed into the stem tube 82a.
• the accumulator valve body 123 is vertically movable together with the stem 82.
• a communication groove 82d is formed in a portion of the inner circumferential surface of the stem tube 82a into which the column 123a is fitted.
• the plurality of communication grooves 82d extending in the upward/downward direction are formed at intervals in the circumferential direction.
• the inside of the stem tube 82a communicates in the upward/downward direction through the communication groove 82d.
• a gap in the radial direction is provided between the outer circumferential surface of the column 123a and the inner circumferential surface of the piston small diameter portion 122a.
• the seating portion 123b overhangs outward in the radial direction from an intermediate portion of the column 123a in the upward/downward direction.
• the seating portion 123b is configured to be separable from the lower edge of the piston small diameter portion 122a according to vertical movement relative to the accumulator piston 122. That is, the seating portion 123b seats on the lower edge of the piston small diameter portion 122a, blocking communication between the inside of the accumulator cylinder 121 and the inside of the stem tube 82a through the accumulator piston 122. Meanwhile, the seating portion 123b is separated downward from the lower edge of the piston small diameter portion 122a to bring the inside of the accumulator cylinder 121 and the inside of the stem tube 82a in communication with each other through the accumulator piston 122.
• the discharge head 112 does not have the accumulator valve 28 and the second biasing member 29, and is fitted onto the upper end portion of the stem tube 82a, which is located above the upper support tube 82b.
• the discharge hole 12c is in communication with the inside of the stem tube 82a.
• the content liquid in the cylinder part 21 flows into the stem tube 82a through the inside of the accumulator cylinder 121, the gap between the accumulator piston 122 and the accumulator valve body 123, and the communication groove 82d. After that, the content liquid passes through the upper end opening of the stem tube 82a, and is discharged forward through the discharge hole 12c.
• the outer tube member 63 is constituted by, from top to bottom, the first outer tube portion 71, a fifth outer tube portion 163, and the fourth outer tube portion 74, lined up in this order.
• the relay port 64c of the inner tube member 64 is open in the fifth outer tube portion 163.
• a lower end opening of the fifth outer tube portion 163 becomes the upright-attitude inlet 63a that is open in the upward/downward direction.
• a third connecting tube portion 163a protruding upward is formed in an opening circumferential edge portion of the upright-attitude inlet 63a in the inner surface of the fifth outer tube portion 163.
• a plug 165b and a common channel 68 are formed in a bottom wall portion of the channel forming member 65.
• the plug 165b is located radially inward from the seal tube portion 65c.
• the plug 165b does not protrude upward from the bottom wall portion of the channel forming member 65, but protrudes downward.
• Each of the prevention part 175a (first prevention part) and the prevention part 175b (second prevention part) is formed in a tubular shape extending in the upward/downward direction and disposed coaxially with the axis O.
• the prevention part 175a and the prevention part 175b each extend continuously around the entire circumference. Further, the prevention part 175a and the prevention part 175b may each extend intermittently in the circumferential direction or may be C-shaped when seen in the upward/downward direction.
• the prevention part 175a (first prevention part) is provided at a position where the inside faces the inverted-attitude valve seat 64e in the upward/downward direction and the second switching valve 62 enters the inside and is accommodated therein during the upright attitude of the discharge device 110.
• the prevention part 175a is formed in a bottomed tubular shape.
• the upper surface of the bottom wall of the prevention part 175a supports the second switching valve 62 entering the prevention part 175a and accommodated therein during the upright attitude of the discharge device 110.
• An outer circumferential edge portion of the upper surface of the bottom wall of the prevention part 175a extends downward as it goes inward in the radial direction.
• At least one switching valve of the first switching valve 61 and the second switching valve 62 enters the inside of the prevention part 175b (second prevention part) or 175a (first prevention part) and is accommodated therein when the switching valve is separated from the valve seat 64d or 64e in the upward/downward direction.
• prevention parts 175b and 175a are provided at both of the above-mentioned positions, the two parts provided at each of the above-mentioned positions and having the prevention parts 175b and 175a can easily be made to be of the same shape and size.
• the covering portion 51 and the guide portion 52 may not be provided inside the outer tube member 63.
• the escape recess 69 (second escape recess and second prevention part) for the first switching valve 61 and the escape recess 90 (first escape recess) for the second switching valve 62 may not be provided.

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• Closures For Containers (AREA)
• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Jet Pumps And Other Pumps (AREA)

Applications Claiming Priority (3)

Publications (1)

Family

ID=91323946

Family Applications (1)

Country Status (3)

Citations (3)

Family Cites Families (5)

• 2023
  • 2023-11-30 CN CN202380081758.XA patent/CN120225288A/zh active Pending
  • 2023-11-30 WO PCT/JP2023/042842 patent/WO2024117208A1/ja not_active Ceased
  • 2023-11-30 EP EP23897854.8A patent/EP4628221A1/de active Pending

Patent Citations (3)

Non-Patent Citations (1)

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