US20170056906A1 - Liquid Dispenser with Replacement Insert - Google Patents

Liquid Dispenser with Replacement Insert Download PDF

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Publication number
US20170056906A1
US20170056906A1 US14/838,589 US201514838589A US2017056906A1 US 20170056906 A1 US20170056906 A1 US 20170056906A1 US 201514838589 A US201514838589 A US 201514838589A US 2017056906 A1 US2017056906 A1 US 2017056906A1
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United States
Prior art keywords
shell
fitment
opening
pump
neck
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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
US14/838,589
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US9573151B1 (en
Inventor
Paul Edward Miller
Rachel Caroline Randall
Jamie Lynn Ackerman
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.)
Sonoco Development Inc
Original Assignee
Sonoco Development Inc
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.)
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Priority to US14/838,589 priority Critical patent/US9573151B1/en
Assigned to SONOCO DEVELOPMENT, INC reassignment SONOCO DEVELOPMENT, INC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ACKERMAN, JAMIE LYNN, MILLER, PAUL EDWARD, RANDALL, RACHEL CAROLINE
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Publication of US9573151B1 publication Critical patent/US9573151B1/en
Publication of US20170056906A1 publication Critical patent/US20170056906A1/en
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Classifications

    • B05B11/3047—
    • 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
    • B05B11/0037—Containers
    • B05B11/0054—Cartridges, i.e. containers specially designed for easy attachment to or easy removal from the rest of the sprayer
    • 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
    • B05B11/026—Membranes separating the content remaining in the container from the atmospheric air to compensate underpressure inside 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
    • 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
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
    • B05B11/1047—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container the pump being preassembled as an independent unit before being mounted on the container
    • B05B11/3001—
    • 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
    • B05B11/0037—Containers
    • B05B11/0038—Inner container disposed in an outer shell or outer casing

Definitions

  • This disclosure relates to dispenser for liquids and other flowable substances. More particularly, this disclosure relates to a dispenser having a reusable outer shell and pump and a replaceable or refillable liquid reservoir.
  • Refillable-type dispensers such as those used to pump hand soap, generally are refilled from a larger container to fill the smaller refillable dispenser. Although refilling is more economical for consumers, it can be messy and difficult.
  • the present disclosure is designed to solve the problems described above.
  • the present disclosure relates to a liquid dispenser having a replaceable liquid reservoir.
  • the dispenser may comprise a reusable body or shell, a reusable pump mechanism and a replaceable insert including the liquid reservoir and an integral fitment.
  • the reusable shell may comprise a bottom defining an opening for receiving a disposable insert, a sidewall extending upwardly from the bottom and a top wall terminating in a neck.
  • the shell defines an interior space, and the neck defines an opening that may have a non-cylindrical inner bore.
  • the reusable pump may comprise a pump head defining a dispensing opening and mounted to a spring loaded plunger.
  • the plunger is configured to move in reciprocating fashion within an outer tube.
  • the outer tube is connected in stationary relationship to an intake tube.
  • a threaded cap is affixed to the outer tube and has internals threads for threadably mounting the pump to a disposable insert.
  • the intake tube extends into the interior space of the shell and terminate in an intake opening.
  • the disposable insert may comprise a product reservoir for holding liquid product.
  • the reservoir defines a top opening for receiving a rigid fitment.
  • the fitment comprises a substantially cylindrical, threaded portion having external threads for mating with the pump cap.
  • the fitment preferably includes an anti-rotation member affixed to a lower end of the threaded portion.
  • the anti-rotation member nests within the neck of the shell and has an outer surface having a non-circular cross sectional shape that matches the non-circular cross-sectional inner bore of the neck.
  • FIG. 1 is a top perspective view of a dispenser according to the disclosure.
  • FIG. 2 is a top plan view of the dispenser of FIG. 1 .
  • FIG. 3 is a side view of the dispenser of FIG. 1 .
  • FIG. 4 is a cross-sectional view of the dispenser of FIG. 2 taken along line 4 - 4 .
  • FIG. 5 is a partial side cutaway view of the dispenser of FIG. 1 .
  • FIG. 1 is a perspective view of the dispenser 10
  • FIG. 2 is a top view of the dispenser 10
  • FIG. 3 is a side view of the dispenser 10 .
  • the dispenser 10 comprises a reusable shell 12 , a reusable pump 14 and a disposable or refillable insert 16 .
  • the insert 16 comprises a product reservoir 44 and a fitment 46 extending from the top of the product reservoir 44 .
  • the insert 16 fits inside the shell 10 with the fitment 46 extending through a top opening 28 in the shell 12 , and may be affixed to the pump 14 by a threaded connection with the pump cap 40 .
  • the pump cap 40 is raised, that is, not connected to the fitment 46 , in order to better show the insert 16 and, in particular, the fitment 46 which forms part of the insert 16 .
  • the reusable shell 12 preferably is a rigid structure and may be injection molded from any suitable material, such as polypropylene.
  • the shell 12 functions as the permanent exterior structure.
  • the shell 12 may comprise a base or bottom 18 defining an opening 20 for receiving the insert 16 , a substantially cylindrical sidewall 22 extending upwardly from the bottom 18 and defining an interior space 24 , and a top wall 26 that terminates in a neck 27 that defines a top opening 28 .
  • the top wall 26 may be shaped like a truncated cone as shown in the figures or may be any suitably aesthetically pleasing shape.
  • the neck 27 may define an inner bore that preferably is non-cylindrical to prevent the insert 16 from rotating as explained below.
  • FIG. 4 is a side cutaway view of the dispenser 10 .
  • the pump 14 may be reused with the shell 12 and may be of conventional design.
  • the pump 14 may comprise a pump head 30 , a spring loaded plunger 34 , an outer tube 35 , an intake tube 36 and a threaded cap 40 .
  • the pump head 30 may define a dispensing opening 32 and is mounted on the spring loaded plunger 34 .
  • the plunger 34 moves in reciprocating fashion within the outer tube 35 between an up position and a down position and is biased in the up position by a spring 37 .
  • the outer tube 35 is connected in stationary relationship to the intake tube 36 .
  • the intake tube 36 extends into the interior space 24 of the shell 12 and terminates in an intake opening 38 .
  • the cap 40 may be affixed to the outer tube 35 and may have internals threads 42 for threadably mounting the pump 14 to the insert 16 as explained below.
  • the disposable insert 16 may comprise a product reservoir 44 for holding liquid product 50 and a fitment 46 .
  • the product reservoir 44 may be either a thin blown molded component or a bag-like pouch made of flexible material and has a top opening 45 for receiving the fitment 46 .
  • the thin material for the product reservoir 44 allows for improved product evacuation.
  • the fitment 46 may be permanently affixed to the product reservoir 44 and may comprise a substantially cylindrical, threaded portion 48 having external threads 52 for threadably mating with the pump cap 40 .
  • FIG. 5 is a partial side cutaway view of the dispenser 10 .
  • the fitment 46 may include an anti-rotation member 54 affixed to the lower end of the threaded portion 48 .
  • the anti-rotation member 54 nests within the shell neck 27 and preferably has an outer surface having a non-circular cross sectional shape that matches the non-circular cross-sectional shape of the inside of the shell neck 27 to prevent the fitment 46 from rotating with respect to the shell 12 .
  • the fitment 46 may include a snap ring 56 that forms a snap fit with the shell neck 27 when the fitment 14 is inserted upwardly into the shell 12 and through the shell neck 27 to provide a secure connection between the shell 12 , the pump 14 and the insert 16 .
  • the consumer first removes the old insert 16 . This may be done by unscrewing the pump cap 40 from the fitment 46 , then pulling the insert 16 , including the fitment 46 and the now empty product reservoir 44 , through the opening in the bottom 18 of the shell 12 . A new insert 16 can then be inserted through the opening in the bottom 18 of the shell 12 until the fitment 46 extends through the top opening 28 in the shell 12 . The pump cap 40 can then be screwed onto the new fitment 46 .
  • the fitment 46 is prevented from rotating by the anti-rotation member 54 . More specifically, the fitment 46 is prevented from rotating by the cooperation of the non-cylindrical anti-rotation member 54 and the non-cylindrical shell neck 27 .
  • the refillable dispenser 10 may find applicability in, among other markets, the personal care and household product markets and the restaurant market.
  • the dispenser 10 may be used to dispense such products as light duty liquids, beauty products, laundry products, lawn and garden care products, and bulk food service products.

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)

Abstract

A liquid dispenser having a replaceable liquid reservoir is provided. The dispenser may comprise a reusable body or shell, a reusable pump mechanism and a replaceable insert. The insert includes a liquid reservoir and an integral fitment.

Description

    BACKGROUND OF THE INVENTION
  • Field of the Invention
  • This disclosure relates to dispenser for liquids and other flowable substances. More particularly, this disclosure relates to a dispenser having a reusable outer shell and pump and a replaceable or refillable liquid reservoir.
  • Description of the Related Art
  • Traditional dispensers for liquid personal care products are typically one-time use, disposable dispensers. Once the contents are used the dispensers is discarded. Another disadvantage of disposable dispensers, especially in the personal care field, is that it can be difficult to obtain complete product evacuation from the dispenser.
  • Refillable-type dispensers, such as those used to pump hand soap, generally are refilled from a larger container to fill the smaller refillable dispenser. Although refilling is more economical for consumers, it can be messy and difficult.
  • The present disclosure is designed to solve the problems described above.
    • BRIEF SUMMARY OF THE INVENTION
  • The present disclosure relates to a liquid dispenser having a replaceable liquid reservoir. The dispenser may comprise a reusable body or shell, a reusable pump mechanism and a replaceable insert including the liquid reservoir and an integral fitment.
  • The reusable shell may comprise a bottom defining an opening for receiving a disposable insert, a sidewall extending upwardly from the bottom and a top wall terminating in a neck. The shell defines an interior space, and the neck defines an opening that may have a non-cylindrical inner bore.
  • The reusable pump may comprise a pump head defining a dispensing opening and mounted to a spring loaded plunger. The plunger is configured to move in reciprocating fashion within an outer tube. The outer tube is connected in stationary relationship to an intake tube. A threaded cap is affixed to the outer tube and has internals threads for threadably mounting the pump to a disposable insert. The intake tube extends into the interior space of the shell and terminate in an intake opening.
  • The disposable insert may comprise a product reservoir for holding liquid product. The reservoir defines a top opening for receiving a rigid fitment. The fitment comprises a substantially cylindrical, threaded portion having external threads for mating with the pump cap.
  • The fitment preferably includes an anti-rotation member affixed to a lower end of the threaded portion. The anti-rotation member nests within the neck of the shell and has an outer surface having a non-circular cross sectional shape that matches the non-circular cross-sectional inner bore of the neck.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a top perspective view of a dispenser according to the disclosure.
  • FIG. 2 is a top plan view of the dispenser of FIG. 1.
  • FIG. 3 is a side view of the dispenser of FIG. 1.
  • FIG. 4 is a cross-sectional view of the dispenser of FIG. 2 taken along line 4-4.
  • FIG. 5 is a partial side cutaway view of the dispenser of FIG. 1.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • While the invention described herein may be embodied in many forms, there is shown in the drawings and will herein be described in detail one or more embodiments with the understanding that this disclosure is to be considered an exemplification of the principles of the invention and is not intended to limit the disclosure to the illustrated embodiments.
  • Turning to the drawings, there is shown in the figures one embodiment of a refillable dispenser 10 according to the disclosure. FIG. 1 is a perspective view of the dispenser 10, FIG. 2 is a top view of the dispenser 10, and FIG. 3 is a side view of the dispenser 10.
  • The dispenser 10 comprises a reusable shell 12, a reusable pump 14 and a disposable or refillable insert 16. As explained in more detail below, the insert 16 comprises a product reservoir 44 and a fitment 46 extending from the top of the product reservoir 44. The insert 16 fits inside the shell 10 with the fitment 46 extending through a top opening 28 in the shell 12, and may be affixed to the pump 14 by a threaded connection with the pump cap 40. In the figures the pump cap 40 is raised, that is, not connected to the fitment 46, in order to better show the insert 16 and, in particular, the fitment 46 which forms part of the insert 16.
  • The reusable shell 12 preferably is a rigid structure and may be injection molded from any suitable material, such as polypropylene. The shell 12 functions as the permanent exterior structure. The shell 12 may comprise a base or bottom 18 defining an opening 20 for receiving the insert 16, a substantially cylindrical sidewall 22 extending upwardly from the bottom 18 and defining an interior space 24, and a top wall 26 that terminates in a neck 27 that defines a top opening 28. The top wall 26 may be shaped like a truncated cone as shown in the figures or may be any suitably aesthetically pleasing shape. The neck 27 may define an inner bore that preferably is non-cylindrical to prevent the insert 16 from rotating as explained below.
  • FIG. 4 is a side cutaway view of the dispenser 10. The pump 14 may be reused with the shell 12 and may be of conventional design. For example and without limitation, the pump 14 may comprise a pump head 30, a spring loaded plunger 34, an outer tube 35, an intake tube 36 and a threaded cap 40. The pump head 30 may define a dispensing opening 32 and is mounted on the spring loaded plunger 34. The plunger 34 moves in reciprocating fashion within the outer tube 35 between an up position and a down position and is biased in the up position by a spring 37. The outer tube 35 is connected in stationary relationship to the intake tube 36. In the assembled dispenser 10, the intake tube 36 extends into the interior space 24 of the shell 12 and terminates in an intake opening 38. The cap 40 may be affixed to the outer tube 35 and may have internals threads 42 for threadably mounting the pump 14 to the insert 16 as explained below.
  • The disposable insert 16 may comprise a product reservoir 44 for holding liquid product 50 and a fitment 46. The product reservoir 44 may be either a thin blown molded component or a bag-like pouch made of flexible material and has a top opening 45 for receiving the fitment 46. The thin material for the product reservoir 44 allows for improved product evacuation. The fitment 46 may be permanently affixed to the product reservoir 44 and may comprise a substantially cylindrical, threaded portion 48 having external threads 52 for threadably mating with the pump cap 40.
  • FIG. 5 is a partial side cutaway view of the dispenser 10. The fitment 46 may include an anti-rotation member 54 affixed to the lower end of the threaded portion 48. The anti-rotation member 54 nests within the shell neck 27 and preferably has an outer surface having a non-circular cross sectional shape that matches the non-circular cross-sectional shape of the inside of the shell neck 27 to prevent the fitment 46 from rotating with respect to the shell 12.
  • The fitment 46 may include a snap ring 56 that forms a snap fit with the shell neck 27 when the fitment 14 is inserted upwardly into the shell 12 and through the shell neck 27 to provide a secure connection between the shell 12, the pump 14 and the insert 16.
    • Refilling the Dispenser
  • To refill the dispenser 10, the consumer first removes the old insert 16. This may be done by unscrewing the pump cap 40 from the fitment 46, then pulling the insert 16, including the fitment 46 and the now empty product reservoir 44, through the opening in the bottom 18 of the shell 12. A new insert 16 can then be inserted through the opening in the bottom 18 of the shell 12 until the fitment 46 extends through the top opening 28 in the shell 12. The pump cap 40 can then be screwed onto the new fitment 46.
  • During both removal of the old insert 16 and installation of the new insert 16 the fitment 46 is prevented from rotating by the anti-rotation member 54. More specifically, the fitment 46 is prevented from rotating by the cooperation of the non-cylindrical anti-rotation member 54 and the non-cylindrical shell neck 27.
    • INDUSTRIAL APPLICABILITY
  • The refillable dispenser 10 may find applicability in, among other markets, the personal care and household product markets and the restaurant market. The dispenser 10 may be used to dispense such products as light duty liquids, beauty products, laundry products, lawn and garden care products, and bulk food service products.
  • It is understood that the embodiments of the invention described above are only particular examples which serve to illustrate the principles of the invention. Modifications and alternative embodiments of the invention are contemplated which do not depart from the scope of the invention as defined by the foregoing teachings and appended claims. It is intended that the claims cover all such modifications and alternative embodiments that fall within their scope.

Claims (2)

1. A dispensing container comprising:
a reusable shell comprising a bottom defining an opening for receiving a disposable insert, a sidewall extending upwardly from the bottom and a top wall terminating in a neck, the shell defining an interior space, the neck defining an opening and having a non-cylindrical inner bore; a reusable pump comprising a pump head defining a dispensing opening and mounted to a spring loaded plunger, the plunger configured to move in reciprocating fashion within an outer tube, the outer tube connected in stationary relationship to an intake tube, and a threaded cap affixed to the outer tube and having internals threads for threadably mounting the pump to a disposable insert, the intake tube extending into the interior space of the shell and terminating in an intake opening ; and
a disposable insert comprising a product reservoir for holding liquid product and having a top opening for receiving a fitment, the fitment comprising a substantially cylindrical, threaded portion having external threads for mating with the pump cap.
2. The container of claim 1 wherein:
the fitment includes an anti-rotation member affixed to a lower end of the threaded portion, wherein the anti-rotation member nests within the neck and has an outer surface having a non-circular cross sectional shape that matches the non-circular cross-sectional inner bore of the neck.
US14/838,589 2015-08-28 2015-08-28 Liquid dispenser with replacement insert Active 2035-09-30 US9573151B1 (en)

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Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

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US20170056906A1 true US20170056906A1 (en) 2017-03-02

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
GB2586015A (en) * 2019-07-25 2021-02-03 Beldi London Ltd A Fluid Dispenser
FR3118955A1 (en) * 2021-01-18 2022-07-22 Gb Developpement "Fluid Dispenser"
WO2022170270A1 (en) * 2021-02-08 2022-08-11 W.C. Bradley Co. Multi-purpose liquid dispenser

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IT202200005831A1 (en) * 2022-03-24 2023-09-24 Baralan Int S P A PACKAGING DEVICE, ESPECIALLY FOR A COSMETIC PRODUCT, EQUIPPED WITH A REMOVABLE BOTTLE

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GB2586015A (en) * 2019-07-25 2021-02-03 Beldi London Ltd A Fluid Dispenser
FR3118955A1 (en) * 2021-01-18 2022-07-22 Gb Developpement "Fluid Dispenser"
WO2022170270A1 (en) * 2021-02-08 2022-08-11 W.C. Bradley Co. Multi-purpose liquid dispenser

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