GB2474316A - Fluid dispenser with spout blocking arrangement - Google Patents

Fluid dispenser with spout blocking arrangement Download PDF

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Publication number
GB2474316A
GB2474316A GB1004865A GB201004865A GB2474316A GB 2474316 A GB2474316 A GB 2474316A GB 1004865 A GB1004865 A GB 1004865A GB 201004865 A GB201004865 A GB 201004865A GB 2474316 A GB2474316 A GB 2474316A
Authority
GB
United Kingdom
Prior art keywords
fluid
discharge tube
tube section
fluid discharge
disposed
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.)
Granted
Application number
GB1004865A
Other versions
GB2474316B (en
GB201004865D0 (en
Inventor
Kuo-Chung Fang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB201004865D0 publication Critical patent/GB201004865D0/en
Publication of GB2474316A publication Critical patent/GB2474316A/en
Application granted granted Critical
Publication of GB2474316B publication Critical patent/GB2474316B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B05B11/0005—Components or details
    • B05B11/0089—Dispensing tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0044—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston having a dispensing opening formed in the piston
    • 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 (take precedence)
    • 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
    • B05B11/02—Membranes or pistons acting on the contents inside the container, e.g. follower pistons
    • B05B11/028—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container
    • B05B11/029—Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container located on top of the remaining content
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

A fluid dispenser comprises a container, a piston 21 disposed in the container and having a peripheral seal contacting an inner surface 11 of the container and a tubular member 212, a press body 20 having a skirt adapted to press down on the piston, and an inner conduit connected to the press body, a fluid discharge tube 22 with a main tube section slidably located in the inner conduit and connecting to the tubular member and a lateral tube /spout section 223 extending in a radial direction w.r.t. the main section, wherein the lateral tube / spout 223 is blocked / covered when the dispenser is not actuated, and unblocked or uncovered when the dispenser is actuated (as shown). The blocking member may be a flange 31. Alternatively, the blocking member may be a valve within the spout, taking the form of a plug 53 cooperating with a perforated plate 51 (see figure 4).

Description

V
FLUID DISPENSER
This invention relates to a fluid dispenser, more particularly to a fluid dispenser including a blocking member for blocking and unbiocking an outlet opening of the fluid dispenser.
Taiwanese Utility Model Publication No. 390358 discloses a fluid dispenser having a structure with an outlet opening that is unblocked. Therefore, contaminants, such as ambient moisture, air, impurities, bacteria andthe like, are likelyto enter into the fluid dispenser to deteriorate the fluid received in the fluid dispenser by passing through the unblocked outlet opening, which results in poor fluid preservation. In addition, the remainder of the fluid left in the outlet opening tends to solidify so as to cause undesiredblockage of the outlet opening.
Therefore, an object of the present invention is to provide a fluid dispenser that can overcome the
aforesaid drawbacks associated with the prior art.
According to the present invention, a fluid dispenser comprises: a container having a fluid receiving space; andapiston disposed in the container above the fluid receiving space. The piston includes a peripheral seal portion contacting slidably and sealingly an inner surface of the container, and a tubular member surrounded by the peripheral seal portion and having a bottom open end in communication with the fluid receiving space. The fluid dispenser further includes: a press body having an outer skirt portion disposed above the peripheral seal portion of the piston so as to press downward the peripheral seal portion, and an inner conduit portion connected to the outer skirt portion and disposed above the tubular member; and a fluid discharge tube extending movably through the inner conduit portion, and including a main tube section that has a top end portion extending outwardly from a top end of the inner conduit portion, abottomendinsertedinto the tubularmember, and a lateral tube section extending outwardly from the top end portion of the main tube section in a radial direction with respect to an axis of the main tube section. The fluid dispenser additionally includes: a spring disposed within the inner conduit portion of the press body and around the fluid discharge tube to urge the fluid discharge tube to move upward; a blockingmemberblockingthelateral tubesectionwhen the fluid discharge tube is not pressed downward against the spring, and unbiocking the lateral tube section when the fluid discharge tube is pressed downward against the spring; and a top cap member disposed on top of the top end portion of the fluid dischargetubeandoperabletopressdownwardthefluid discharge tube.
Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments of this invention, with reference to the accompanying drawings, in which: Fig. 1 is a sectional view of the first preferred embodiment of a fluid dispenser according to this invention; Fig. 2 is a sectional view to illustrate the first preferred embodiment of the fluid dispenser in a pressed state; Fig. 3 is a sectional view to illustrate the first preferred embodiment of the fluid dispenser in a restored state after an applied force is removed; Fig. 4 is a sectional view of the second preferred embodiment of a fluid dispenser according to this invention in a restored state with a blocking member blocking an outlet opening; and Fig. 5isasectionalviewtoillustratethesecond preferred embodiment in a pressed state with the blocking member unbiocking the outlet opening.
Before the present invention is described in greater detail with reference to the accompanying preferred embodiments, it should be noted herein that like elements are denoted by the same reference
numerals throughout the disclosure.
Referring to Fig. 1, a fluid dispenser of the first preferred embodiment according to this invention is adapted for receiving a fluid, such as lotion or cream, therein. The fluid dispenser includes a containerihavingafluidreceiving space 10, apiston 21 disposed in the container 1 above the fluid receiving space 10, a press body 20, a fluid discharge tube 22, a spring 23, a blocking member 3, a top cap member 224, and a cap 4.
Thepiston2l includes aperipheral seal portion 211 contacting slidably and sealingly an inner surface 11 of the container 1, and a tubular member 212 surrounded by the peripheral seal portion 211. In addition, the piston 21 has a bottom open end 213 in communicationwith the fluid receiving space 10, four first seals 217 disposed between the peripheral seal portion 211 and the inner surface 11 of the container 1, and a second seal 218 disposed between the fluid discharge tube 22 and the tubular member 212. The tubular member 212 confines a lower hole section 2121 proximate to the fluid receiving space 10, an upper hole section 2122 disposed above and smaller than the lower hole section 2121, and a shoulder face 2123 between the lower and upper hole sections 2121, 2122.
The press body 20 has an outer skirt portion 201 disposed above the peripheral seal portion 211 so as to press downward the peripheral seal portion 211, and an inner conduit portion 215 connected to the outer skirt portion 201 and disposed above the tubular member 212.
The fluid discharge tube 22 extends movably through the inner conduit portion 215, and includes a main tube section 221 that has a top end portion 2211 extending outwardly from a top end 2151 of the inner conduit portion 215 and that has a diameter substantially equal to that of the upper hole section 2122, abottomend222thatisinsertedintothetubular member 212, and a lateral tube section 223 extending outwardly from the top end portion 2211 of the main tube section 221 in a radial direction with respect to an axis of the main tube section 221.
The main tube section 221 cooperates with the lateral tube section 223 to define an L-shaped fluid passage 227 in fluid communication with the fluid receiving space 10. Moreover, the bottom end 222 of the fluid discharge tube 22 has a butt end 2221 having an inverted right triangular cross section, for engaging the shoulder face 2123 when the fluid discharge tube 22 moves upward so as to prevent the fluid discharge tube 22 from separating from the piston 21.
The spring 23 is disposed within the inner conduit portion 215 and around the fluid discharge tube 22 to urge the fluid discharge tube 22 to move upward.
The inner conduit portion 215 extends beyond a top end of the outer skirt portion 201. The press body further has an enlarged top disc 32 that extends substantially radially and outwardly from the top end 2151 of the inner conduit portion 215 and that is disposedbelowandspacedapart fromthe topcapmember 224, and an end flange 31 extending upwardly from a periphery of the enlarged top disc 32. The lateral tube section 223 extends radially from the top end portion 2211 of the main tube section 221 to the end flange 31 and has an outlet opening 226 in proximity totheendflange3l. Inthis embodiment, the end flange 31 serves as the blocking member 3 to block the outlet opening 226 when the fluid discharge tube 22 is not pressed downward against the spring 23 and to unblock the outlet opening 226 when the fluid discharge tube 22 is pressed downward against the spring 23.
The top cap member 224 has a form of a disk, is disposed on top of the top end portion 2211 of the fluid discharge tube 22, and is operable to press downward the fluid discharge tube 22.
The press body 20 further has a radial aperture 321 formed in the enlarged top disc 32 and an axial aperture 216 formed in the inner conduit portion 215 and connected to the radial aperture 321. The radial and axial apertures 321, 216 permit the lateral tube section 223 to move therethrough when the fluid discharge tube 22 moves downward or upward.
Referring to Fig. 2, in use, a force is applied on the top cap member 224 so as to cause downward movement of the top cap member 224 and the fluid discharge tube 22 relative to the press body 20 and so as to compress the spring 23. Due to the downward movement, the top cap member 224 abuts against the enlarged top disc 32, and the lateral tube section 223 originally positioned in the radial aperture 321 of the enlarged top disc 32 is moved downwardly below the enlargedtopdisc 32, therebyunblockingtheoutlet opening 226 and simultaneously accumulating a restoring force in the spring 23. Subsequently, the force applied to the top cap member 224 is continuously increased such that the enlarged top disc 32 together with the fluid discharge tube 22 are moved downwardly and the inner conduit portion 215 abuts against the tubular member 212 of the piston 21. Thereafter, the piston 21 is pressed by the press body 20 so as to push and force the fluid to flow out the fluid dispenser through the fluid passage 227 and the outlet opening 226 of the fluid discharge tube 22.
Referring to Fig. 3, when the force applied on the top cap member 224 is removed, the restoring force of the spring 23 urges the fluid discharge tube 22 and the top cap member 224 to move upwardly such that the top cap member 224 is separated from the enlarged top disc 32 and the lateral conduit section 223 is moved back to the radial aperture 321 of the enlarged top disc 32, thereby once again blocking the outlet opening 226 by the end flange 31.
It is notedthat, unlikethe fluiddischarge tube 22, the press body 20 and the piston 21 are not moved upwardly as the fluid discharge tube 22 does after use. Therefore, the press body 20 will abut against the piston 21 and the distance between the piston 21 and the bottom of the fluid receiving space 10 will be decreased with the decrease of the remaining fluid after use.
Therefore, according to this invention, the fluid dispenser has a simple structure and the blocking member 3 blocks the outlet opening 226 when fluid dispensing is not intended, thereby preventing contaminants, suchasambientmoisture, air, impurity, or bacteria, from entering into the fluid receiving space 10 through the outlet opening 226. In addition, the fluid remaining in the outlet opening 226 does not easily solidify to cause undesired blockage of block the outlet opening 226.
Referring to Fig. 4, the second preferred embodiment of the present invention differs from the first embodiment in that the top cap member 224 cooperates with the fluid discharge tube 22 to define the L-shaped fluid passage 227', and the lateral conduit section 223' is provided in the top capmember 224.Theblockingmember3' includesaperforatedplate 51 disposed transversely within the lateral tube section223',aplug53disposedsealjnglyintheoutlet opening 226 of the lateral tube section 223' and movable outwardly of the outlet opening 226 when the fluid flows through the lateral tube section 223', and an elongated connection member 52 having two ends. One of the two ends of the elongated connection member 52 is in a shape of a pyramid and serves to abut against the perforated plate 51 when the plug 53 moves outwardly of the outlet opening 226. The other of the two ends of the elongated connection member 52 is connected to the plug 53.
When the top cap member 224 is not pressed, the plug 53 blocks the outlet opening 226. Referring to Fig. 5, when a force is applied on the top cap member 224, the fluid discharge tube 22 moves downwardly so as to push and force the fluid to flow out of the fluid dispenser through the fluid passage 227'. As the fluid passes through the perforated plate 51, the plug 53 is pushed by the fluid to move outwardly of the lateral conduit section 223', thereby unblocking the outlet opening 226. After releasing the force applied on the top cap member 224, the spring 23 urges the fluid discharge tube 22 to move upwardly and the plug 53 is drawn back to the lateral conduit section 223' due to the difference between internal and external pressures of the container, thereby once again blocking the outlet opening 226 so as to prevent contaminants, suchasambientmoisture, air, impurity, or bacteria, from entering into the fluid receiving space 10 through the outlet opening 226.

Claims (7)

  1. CLAIMS: 1. A fluid dispenser comprising: a container having a fluid receiving space; a piston disposed in said container above said fluid receiving space, said piston including a peripheral seal portion contacting slidably and sealingly an inner surface of said container, and a tubular member surrounded by said peripheral seal portion and having a bottom open end in communication with said fluid receiving space; a press body having an outer skirt portion disposed above said peripheral seal portion so as to press downward said peripheral seal portion, and an inner conduit portion connected to said outer skirt portion and disposed above said tubular member; a fluid discharge tube extendingmovably through said inner conduit portion, and including a main tube section that has a top end portion extending outwardly from a top end of said inner conduit portion, a bottom end inserted into said tubular member, and a lateral tube section extending outwardly from said top end portion of said main tube section in a radial direction with respect to an axis of said main tube section; a spring disposed within said inner conduit portion and around said fluid discharge tube to urge said fluid discharge tube to move upward; a blocking member blocking said lateral tube section when said fluid discharge tube is not pressed downward against said spring, said blocking member unblocking said lateral tube section when said fluid discharge tube is pressed downward against said spring; and a top cap member disposed on top of said top end portion of said fluid discharge tube and operable to press downward said fluid discharge tube.
  2. 2. The fluid dispenser of Claim 1, wherein said inner conduit portion extends beyond a top end of said outer skirt portion, said press body further having an enlarged top disc extending substantially radially and outwardly from said top end of said inner conduit portion, and an end flange extending upwardly from a periphery of said enlarged top disc, said lateral tube section extending radially from said top end portion of said main tube section to said end flange and having an outlet opening in proximity to said end flange, saidendflangeservingassaidblockingrnernber to block said outlet opening.
  3. 3. The fluid dispenser of Claim 2, wherein said press body further has a radial aperture formed in said enlargedtopdiscandanaxial aperture formed insaid inner conduit portion and connected to said radial aperture, said radial and axial apertures permitting said lateral tube section to move therethrough when said fluid discharge tube moves downward or upward.
  4. 4. The fluid dispenser of Claim 1, wherein said blocking S member includes a perforated plate disposed transverselywithin said lateral tube section, a plug disposed sealingly in an outlet opening of said lateral tube section and movable outwardly of said outlet opening when the f luid flows through said lateral tube section, and an elongated connection member having one end connected to said plug and extending movably through said perforated plate.
  5. 5. The fluid dispenser of Claim 1, wherein said tubular memberconfinesalowerhole sectionproximate to said fluid receiving space, an upper hole section disposed above and smaller than said lower hole section, and a shoulder face between said lower and upper hole sections, saidbottomendofsaidfluiddischargetube having a butt end for engaging said shoulder face when said fluid discharge tube moves upward.
  6. 6. The fluid dispenser of Claim 5, wherein said piston further has a first seal disposed between said peripheralsealportionandsaidinnersurfaceofsaid container, and a second seal disposed between said fluid discharge tube and said tubular member.
  7. 7. The fluid dispenser substantially as herein being described with reference to and as illustrated in the accompanying drawings.
GB1004865A 2009-10-09 2010-03-23 Fluid dispenser Expired - Fee Related GB2474316B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW098134345A TW201113203A (en) 2009-10-09 2009-10-09 Container bottle

Publications (3)

Publication Number Publication Date
GB201004865D0 GB201004865D0 (en) 2010-05-05
GB2474316A true GB2474316A (en) 2011-04-13
GB2474316B GB2474316B (en) 2011-10-12

Family

ID=42228202

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1004865A Expired - Fee Related GB2474316B (en) 2009-10-09 2010-03-23 Fluid dispenser

Country Status (4)

Country Link
KR (1) KR20110039173A (en)
FR (1) FR2951142A1 (en)
GB (1) GB2474316B (en)
TW (1) TW201113203A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUP1300310A2 (en) * 2013-05-14 2014-11-28 Laszlo Schlotthauer Disposable soda siphon
CN109625637B (en) * 2019-02-01 2024-04-12 天舟医疗(苏州)有限公司 Feeding device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050612A (en) * 1976-05-25 1977-09-27 Jules Silver Dispensing container
US4949876A (en) * 1988-02-19 1990-08-21 Cebal Distributor for a pasty material comprising an axial pushbutton member with lateral distribution and an element for masking its outlet orifice
WO1997005043A1 (en) * 1995-07-28 1997-02-13 Lehmkuhl Robert A Reusable dispensing system for toothpaste
FR2821831A1 (en) * 2001-03-06 2002-09-13 Airlessystems Cosmetic fluid sample dispenser comprises cosmetic jar with collar engaging inner surface, piston slides in collar and pushbutton on piston has outlet channel passing through piston with valve allowing communication with useful volume
JP2006124007A (en) * 2004-10-29 2006-05-18 Yoshino Kogyosho Co Ltd Spouting container for viscous substance
EP1849528A1 (en) * 2006-04-28 2007-10-31 Masatoshi Masuda Fluid storage container with piston provided inside

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2656854B2 (en) * 1989-02-24 1994-11-25 Raoul Laffy CONTAINER OR ASEPTIC CONTAINER FOR A NON-PASTY PRODUCT.
FR2740118B1 (en) * 1995-10-23 1998-02-20 Sofab DISPENSER FOR LIQUID OR PASTY PRODUCTS
DE102004036004B4 (en) * 2004-07-23 2013-08-08 Wella GmbH Container with a spray button and an elastic nozzle closure element
KR100758216B1 (en) * 2005-10-11 2007-09-12 변영광 Cosmetics case
KR100766816B1 (en) * 2006-01-18 2007-10-17 주식회사 다린 A airless type cosmetics case in which a contents fixed quantity discharge and contents leakage prevention and deteriorate prevention is possible

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050612A (en) * 1976-05-25 1977-09-27 Jules Silver Dispensing container
US4949876A (en) * 1988-02-19 1990-08-21 Cebal Distributor for a pasty material comprising an axial pushbutton member with lateral distribution and an element for masking its outlet orifice
WO1997005043A1 (en) * 1995-07-28 1997-02-13 Lehmkuhl Robert A Reusable dispensing system for toothpaste
FR2821831A1 (en) * 2001-03-06 2002-09-13 Airlessystems Cosmetic fluid sample dispenser comprises cosmetic jar with collar engaging inner surface, piston slides in collar and pushbutton on piston has outlet channel passing through piston with valve allowing communication with useful volume
JP2006124007A (en) * 2004-10-29 2006-05-18 Yoshino Kogyosho Co Ltd Spouting container for viscous substance
EP1849528A1 (en) * 2006-04-28 2007-10-31 Masatoshi Masuda Fluid storage container with piston provided inside

Also Published As

Publication number Publication date
TWI372711B (en) 2012-09-21
GB2474316B (en) 2011-10-12
TW201113203A (en) 2011-04-16
GB201004865D0 (en) 2010-05-05
FR2951142A1 (en) 2011-04-15
KR20110039173A (en) 2011-04-15

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Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20220323