EP0670186B1 - Liquid spraying vessel - Google Patents
Liquid spraying vessel Download PDFInfo
- Publication number
- EP0670186B1 EP0670186B1 EP95105752A EP95105752A EP0670186B1 EP 0670186 B1 EP0670186 B1 EP 0670186B1 EP 95105752 A EP95105752 A EP 95105752A EP 95105752 A EP95105752 A EP 95105752A EP 0670186 B1 EP0670186 B1 EP 0670186B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cylinder
- head
- stem
- actuator
- finger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 title claims description 25
- 238000005507 spraying Methods 0.000 title description 3
- 238000007599 discharging Methods 0.000 claims description 6
- 230000000881 depressing effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 6
- 239000003570 air Substances 0.000 description 4
- 238000005187 foaming Methods 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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
- 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
- B05B11/1052—Actuation means
Definitions
- the present invention relates to a manual type liquid discharge container such as a spraying container, a foaming container or a container for discharging liquid as it is, and a container capable of selecting one of spray, foam and liquid by switching a liquid passage formed in a head.
- a foaming container or a container for discharging a liquid as it is there is commercially sold a liquid discharge container which comprises: a container body; a cylinder depending into the container body from a cap-shaped member fitted on the outer face of the mouth/neck portion of the container body; and an actuator having a stem erected through the top wall of the cap-shaped member on a cylindrical piston, which is fitted in the cylinder, and a head fitted on the upper end of the stem and having a nozzle opened forward.
- the actuator is moved up and down with respect to the cylinder for sucking a liquid in the container body into the cylinder and discharging the liquid in the cylinder out of the nozzle through the stem.
- a container which is enabled to select one of those spray, foam and liquid by switching a liquid passage formed in the head.
- these containers have different nozzle structures but are substantially similar except the structure of the head having the nozzle.
- the actuator composed of the cylindrical piston, the stem and the head is biased upward by the spring so that it is raised back by the spring after it has been depressed.
- the depression of the actuator is accomplished against the biasing force of the spring so that it requires a considerable force.
- the present invention contemplates to provide a liquid discharge container which overcomes these problems.
- DE-U-6753424 discloses a liquid discharge container comprising: a container body; a cylinder depending into said container body from a cap-shaped member fitted on the outer face of the mouth/neck portion of said container body; an actuator having a stem erected through the top wall of said cap-shaped member from a cylindrical piston, which is fitted in said cylinder, and a head fitted on the upper end of said stem and having a nozzle opened forward and a ring-shaped finger knob, said actuator being moved up and down with respect to said cylinder for sucking a liquid in said container body into said cylinder and discharging the liquid in said cylinder out of said nozzle through said stem.
- a liquid discharge container having the features as set forth in the preamble of the claim, is characterized by the features as follows from the characterizing clause of the claim.
- the problem of making pulling up easier is solved by the cooperation of the auxiliary walls with the absence of spring.
- auxiliary walls acting as a finger grip and guiding the head are so erected from the righthand and lefthand two side portions of the top wall of the cap-shaped member along a righthand and lefthand two side faces of the head as to allow the vertical movements of said head.
- auxiliary walls 6 and 6 of Figure 8 which are erected along the righthand and lefthand side portions of the top wall of the cap-shaped member, partly provide a finger grip, when the container is held at its upper portion by the hand, and partly guide the head 18 when the head is moved down, to prevent the head from moving to the right and left.
- the actuations of moving the actuator up and down by the finger are facilitated while at the same time the stroke of the actuator can be increased.
- Reference numeral 1 designates a container body having an erected mouth/neck portion 2. On the outer face of the mouth/neck portion, there is screwed the lower half of a circumferential wall 5 which depends from the outer circumference of the top wall of the cap-shaped member 3. Said member is formed with a hole 8 at the central portion of the top wall 4. The upper half of the circumferential wall is radially reduced to have a smaller internal diameter than the external diameter of the mouth/neck portion, and the reduced portion has its lower end face mounted through a packing 9 on the upper end face of the mouth/neck portion.
- a short cylinder 12 which is erected from the outer circumference of an external flange 11 formed in the upper portion of a cylinder 10.
- This cylinder 10 has a larger diameter portion 10a at its upper portion and a smaller diameter portion 10b at its lower portion and is equipped in the inner face of its lower end with a suction valve 13 of a ball valve.
- a pipe 14 depends to the bottom portion of the container body from the lower end of the cylinder 10.
- An air vent hole 15 is formed in the aforementioned larger-diameter portion 10a.
- a stem 17 which is equipped with a cylindrical piston 16 at its lower end.
- a head 18 On the upper end of said stem, there is fitted a head 18 which has a nozzle 19 opened forward.
- the cylindrical piston 16 and the stem 17 may be made of different members, as shown.
- the cylindrical piston has its smaller-diameter cylindrical portion 16b erected from the upper end of its cylinder portion 16a through an inward flanged portion and fitted in the lower portion of the stem 17.
- These cylindrical piston 16, stem 17 and head 18 constitute altogether an actuator 20, which is equipped with a discharge valve.
- This discharge valve is formed in the shown embodiment by fitting a valve member 21, which has longitudinal grooves in its outer face, vertically moveable in the stem 17 so that it is defined by the lower end face of said valve member and the upper end of the bore of the aforementioned smaller-diameter cylinder portion.
- the valve member 21 is biased downward by a spring 22 which is fitted in the stem. This spring has its upper end engaging with the lower face of the inward flange fonned at the upper end of the stem.
- a sliding cylinder 25 which has its lower portion fonned on its outer circumference with a ring-shaped sealing member 26 fitted in the cylinder larger-diameter portion 10a and which has its lower end engaging with the upper end face of the cylinder portion of tlie cylindrical piston 16.
- said sliding cylinder is moved down together with the stem 17 by depressing the head 18, until it is stopped when said sealing member has its lower end contacting with the upper end of the cylinder smaller-diameter portion 10b so that the sealing member 26 shuts out the air vent hole 16.
- the stem 17 is further moved down with respect to the sliding cylinder 25.
- the cylindrical piston has its cylinder portion 16a contacting with the lower end of the sliding cylinder 25 to push up said slider cylinder. If the container has its inside evacuated as the liquid decreases, the sealing member 26 is moved upward of the air vent hole 15.
- the ambient air is introduced into the container body through the clearance between the inner edge of the hole 8 and the outer face of the sliding cylinder 25, through the clearance which is established between the sealing member 26 and the inner face of the larger-diameter portion of the cylinder by deforming said sealing member elastically, and through the air vent hole 15.
- the nozzle opened in the front face of the head is used for atomizations.
- a foaming container or a liquid discharge container either, as is well known in the art, by changing the nozzle structure into a foaming one or by making a head for discharging a liquid as it is.
- a ring-shaped finger knob 30 which has its ring hole directed forward or backward. Said finger knob is sized to admit the finger tip into the ring-shaped portion. Said finger knob 30 has its finger hole 31 opened forward or backward.
- auxiliary walls 6 and 6 for acting as the finger grip and guiding the head are erected from the righthand and lefthand two portions of the top wall 4 of the cap-shaped member 3 of Fig. 1, and a rear wall 7 for connecting the rear portions of the lower halves of those auxiliary walls is erected from the rear portion of the top wall.
- the head 18 is formed generally into such a square shape that it can be moved up and down while having its righthand and lefthand side faces contacting with the inner faces of the auxiliary walls 6 and 6.
- auxiliary walls 6 and 6 can be added to a variety of cap-shaped members 3, more specifically described in EP 05 13 350 A1.
- the auxiliary walls acting as the finger grip and guiding the head are so erected from the righthand and lefthand two side portions of the top wall of the cap-shaped member along the righthand and lefthand two side faces of the head as to allow the vertical movements of the head.
- the actuator can be operated by gripping the upper portion of the container body and the lower portions of the auxiliary walls when the container is held for operating the actuator.
- the grip position of the hand can be made higher than that of the case of no auxiliary wall, to raise the finger tip engaging with the finger knob thereby to increase the stroke of the actuator.
- the head can be prevented from shaking by the guidance of the auxiliary walls, while it is being moved up and down, so that the operation of the actuator be facilitated.
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Closures For Containers (AREA)
Description
- The present invention relates to a manual type liquid discharge container such as a spraying container, a foaming container or a container for discharging liquid as it is, and a container capable of selecting one of spray, foam and liquid by switching a liquid passage formed in a head.
- As the manual type spraying container, a foaming container or a container for discharging a liquid as it is, there is commercially sold a liquid discharge container which comprises: a container body; a cylinder depending into the container body from a cap-shaped member fitted on the outer face of the mouth/neck portion of the container body; and an actuator having a stem erected through the top wall of the cap-shaped member on a cylindrical piston, which is fitted in the cylinder, and a head fitted on the upper end of the stem and having a nozzle opened forward. The actuator is moved up and down with respect to the cylinder for sucking a liquid in the container body into the cylinder and discharging the liquid in the cylinder out of the nozzle through the stem. Also sold is a container which is enabled to select one of those spray, foam and liquid by switching a liquid passage formed in the head.
- Incidentally, these containers have different nozzle structures but are substantially similar except the structure of the head having the nozzle.
- In the aforementioned liquid discharge containers of the prior art, the actuator composed of the cylindrical piston, the stem and the head is biased upward by the spring so that it is raised back by the spring after it has been depressed. As a result, the depression of the actuator is accomplished against the biasing force of the spring so that it requires a considerable force.
- Due to the force acting on the stem when depressing the head downward, there is a risk of bending and/or even breaking the stem during such action. For the same reason the length of the stem is limited thereby also limiting the amount of liquid being discharged when the actuator is depressed.
- The present invention contemplates to provide a liquid discharge container which overcomes these problems.
- DE-U-6753424 discloses a liquid discharge container comprising: a container body; a cylinder depending into said container body from a cap-shaped member fitted on the outer face of the mouth/neck portion of said container body; an actuator having a stem erected through the top wall of said cap-shaped member from a cylindrical piston, which is fitted in said cylinder, and a head fitted on the upper end of said stem and having a nozzle opened forward and a ring-shaped finger knob, said actuator being moved up and down with respect to said cylinder for sucking a liquid in said container body into said cylinder and discharging the liquid in said cylinder out of said nozzle through said stem.
- In accordance with the present invention, a liquid discharge container having the features as set forth in the preamble of the claim, is characterized by the features as follows from the characterizing clause of the claim.
- According to the present invention, the problem of making pulling up easier is solved by the cooperation of the auxiliary walls with the absence of spring.
- In accordance with the invention auxiliary walls acting as a finger grip and guiding the head are so erected from the righthand and lefthand two side portions of the top wall of the cap-shaped member along a righthand and lefthand two side faces of the head as to allow the vertical movements of said head.
- The
auxiliary walls head 18 when the head is moved down, to prevent the head from moving to the right and left. Thus, the actuations of moving the actuator up and down by the finger are facilitated while at the same time the stroke of the actuator can be increased. -
- Fig. 1
- is a longitudinal section showing a container;
- Fig. 2
- is a front elevation showing the container of Fig. 1; and
- Fig. 3
- is a top plan view showing the container of Fig. 1;
- Fig. 4
- is an enlarged section showing an essential portion of Fig. 1 with an actuator being in a lower position.
- The embodiment shown in Fig. 1 to 4 will be described in the following.
Reference numeral 1 designates a container body having an erected mouth/neck portion 2. On the outer face of the mouth/neck portion, there is screwed the lower half of acircumferential wall 5 which depends from the outer circumference of the top wall of the cap-shaped member 3. Said member is formed with ahole 8 at the central portion of thetop wall 4. The upper half of the circumferential wall is radially reduced to have a smaller internal diameter than the external diameter of the mouth/neck portion, and the reduced portion has its lower end face mounted through apacking 9 on the upper end face of the mouth/neck portion. In the upper half of the aforementionedcircumferential wall 5, there is fitted ashort cylinder 12 which is erected from the outer circumference of anexternal flange 11 formed in the upper portion of acylinder 10. Thiscylinder 10 has a larger diameter portion 10a at its upper portion and asmaller diameter portion 10b at its lower portion and is equipped in the inner face of its lower end with asuction valve 13 of a ball valve. Apipe 14 depends to the bottom portion of the container body from the lower end of thecylinder 10. Anair vent hole 15 is formed in the aforementioned larger-diameter portion 10a. - From the inside of the
aforementioned cylinder 10, there is erected through the aforementioned hole 8 astem 17 which is equipped with acylindrical piston 16 at its lower end. On the upper end of said stem, there is fitted ahead 18 which has anozzle 19 opened forward. Thecylindrical piston 16 and thestem 17 may be made of different members, as shown. In the shown embodiment, the cylindrical piston has its smaller-diametercylindrical portion 16b erected from the upper end of itscylinder portion 16a through an inward flanged portion and fitted in the lower portion of thestem 17. Thesecylindrical piston 16,stem 17 andhead 18 constitute altogether anactuator 20, which is equipped with a discharge valve. This discharge valve is formed in the shown embodiment by fitting avalve member 21, which has longitudinal grooves in its outer face, vertically moveable in thestem 17 so that it is defined by the lower end face of said valve member and the upper end of the bore of the aforementioned smaller-diameter cylinder portion. Thevalve member 21 is biased downward by aspring 22 which is fitted in the stem. This spring has its upper end engaging with the lower face of the inward flange fonned at the upper end of the stem. On the outer face of the lower portion of thestem 17, there may be fitted a slidingcylinder 25, which has its lower portion fonned on its outer circumference with a ring-shaped sealing member 26 fitted in the cylinder larger-diameter portion 10a and which has its lower end engaging with the upper end face of the cylinder portion of tliecylindrical piston 16. - As shown in Fig. 4, said sliding cylinder is moved down together with the
stem 17 by depressing thehead 18, until it is stopped when said sealing member has its lower end contacting with the upper end of the cylinder smaller-diameter portion 10b so that the sealingmember 26 shuts out theair vent hole 16. However, thestem 17 is further moved down with respect to the slidingcylinder 25. When the stem is to be moved up, on the other hand, the cylindrical piston has itscylinder portion 16a contacting with the lower end of the slidingcylinder 25 to push up said slider cylinder. If the container has its inside evacuated as the liquid decreases, the sealingmember 26 is moved upward of theair vent hole 15. After this, the ambient air is introduced into the container body through the clearance between the inner edge of thehole 8 and the outer face of the slidingcylinder 25, through the clearance which is established between the sealingmember 26 and the inner face of the larger-diameter portion of the cylinder by deforming said sealing member elastically, and through theair vent hole 15. In the shown embodiment, the nozzle opened in the front face of the head is used for atomizations. Despite of this fact, however, there can be provided a foaming container or a liquid discharge container either, as is well known in the art, by changing the nozzle structure into a foaming one or by making a head for discharging a liquid as it is. To the upper face of thehead 18, there is attached a ring-shaped finger knob 30 which has its ring hole directed forward or backward. Said finger knob is sized to admit the finger tip into the ring-shaped portion. Saidfinger knob 30 has itsfinger hole 31 opened forward or backward. - As shown in Fig. 1 to 3,
auxiliary walls top wall 4 of the cap-shaped member 3 of Fig. 1, and arear wall 7 for connecting the rear portions of the lower halves of those auxiliary walls is erected from the rear portion of the top wall. In this embodiment, thehead 18 is formed generally into such a square shape that it can be moved up and down while having its righthand and lefthand side faces contacting with the inner faces of theauxiliary walls - These
auxiliary walls shaped members 3, more specifically described in EP 05 13 350 A1. - As defined in
claim 1, the auxiliary walls acting as the finger grip and guiding the head are so erected from the righthand and lefthand two side portions of the top wall of the cap-shaped member along the righthand and lefthand two side faces of the head as to allow the vertical movements of the head. As a result, the actuator can be operated by gripping the upper portion of the container body and the lower portions of the auxiliary walls when the container is held for operating the actuator. Thus, the grip position of the hand can be made higher than that of the case of no auxiliary wall, to raise the finger tip engaging with the finger knob thereby to increase the stroke of the actuator. Moreover, the head can be prevented from shaking by the guidance of the auxiliary walls, while it is being moved up and down, so that the operation of the actuator be facilitated.
Claims (1)
- A liquid discharge container comprising: a container body (1); a cylinder (10) depending into said container body from a cap-shaped member (3) fitted on the outer face of the mouth/neck portion of said container body; an actuator (20) having a stem (17) erected through the top wall (4) of said cap-shaped member from a cylindrical piston, which is fitted in said cylinder, and a head (18) fitted on the upper end of said stem and having a nozzle (19) opened forward and a ring-shaped finger knob (30), said actuator being moved up and down with respect to said cylinder for sucking a liquid in said container body into said cylinder and discharging the liquid in said cylinder out of said nozzle (19) through said stem;
characterized in that
said actuator (20) is adapted to be operated by depressing down and pulling up the head (18) through a finger of an user engaged with a ring hole of the finger knob (30) without any spring for pushing up the actuator and in that it comprises a pair of auxiliary walls (6, 6) for guiding and protecting said head (18), which are erecting from the top wall of said cap-shaped member (3) along respective sides of said head (18), and said pair of auxiliary walls (6, 6) being arranged such that the liquid can be discharged from the nozzle (19) through a gap between said pair of auxiliary walls (6, 6), and in that the auxiliary walls (6, 6) also function as a pair of finger grips which are gripped by fingers other than the finger engaged with the finger knob during the depressing down and pulling up.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95105752A EP0670186B1 (en) | 1990-12-04 | 1990-12-04 | Liquid spraying vessel |
DE1990633474 DE69033474T2 (en) | 1990-12-04 | 1990-12-04 | Liquid spray container |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95105752A EP0670186B1 (en) | 1990-12-04 | 1990-12-04 | Liquid spraying vessel |
EP90917693A EP0513350B1 (en) | 1990-12-04 | 1990-12-04 | Liquid spraying vessel |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90917693.5 Division | 1990-12-04 | ||
EP90917693A Division EP0513350B1 (en) | 1990-12-04 | 1990-12-04 | Liquid spraying vessel |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0670186A2 EP0670186A2 (en) | 1995-09-06 |
EP0670186A3 EP0670186A3 (en) | 1995-09-20 |
EP0670186B1 true EP0670186B1 (en) | 2000-03-01 |
Family
ID=8206275
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95105752A Expired - Lifetime EP0670186B1 (en) | 1990-12-04 | 1990-12-04 | Liquid spraying vessel |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP0670186B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7637394B2 (en) | 2004-08-16 | 2009-12-29 | Mcneil-Ppc, Inc | Liquid dispensing device |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6753424U (en) * | 1968-07-24 | 1969-04-24 | Henkel & Cie Gmbh | SPRAY BOTTLE |
JPS642758U (en) * | 1987-06-26 | 1989-01-10 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4061250A (en) * | 1975-05-31 | 1977-12-06 | Tetsuya Tada | Depress button type sprayer |
US4132359A (en) * | 1976-04-09 | 1979-01-02 | Yoshino Kogyosho Co., Ltd. | Manually operative atomizer |
US4071173A (en) * | 1976-11-22 | 1978-01-31 | Vca Corporation | Cover enclosing flat sided button for actuation prevention |
JPS53144014A (en) * | 1977-05-20 | 1978-12-15 | Masaya Koyama | Automatic sprayer |
DE8414326U1 (en) * | 1984-05-10 | 1984-06-28 | Coster Tecnologie Speciali Spa | Dispenser capsule for aerosol containers |
GB8620072D0 (en) * | 1986-08-18 | 1986-10-01 | English Glass Co Ltd | Dispenser |
-
1990
- 1990-12-04 EP EP95105752A patent/EP0670186B1/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6753424U (en) * | 1968-07-24 | 1969-04-24 | Henkel & Cie Gmbh | SPRAY BOTTLE |
JPS642758U (en) * | 1987-06-26 | 1989-01-10 |
Also Published As
Publication number | Publication date |
---|---|
EP0670186A2 (en) | 1995-09-06 |
EP0670186A3 (en) | 1995-09-20 |
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