US20080029551A1 - Spray cap with integral spring - Google Patents

Spray cap with integral spring Download PDF

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Publication number
US20080029551A1
US20080029551A1 US11/832,887 US83288707A US2008029551A1 US 20080029551 A1 US20080029551 A1 US 20080029551A1 US 83288707 A US83288707 A US 83288707A US 2008029551 A1 US2008029551 A1 US 2008029551A1
Authority
US
United States
Prior art keywords
cap
nozzle
container
spring
conduit
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.)
Abandoned
Application number
US11/832,887
Inventor
Carl Lombardi
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.)
LOMBARDI MANUFACTURING AND DESIGN
Original Assignee
Lombardi Design and Manufacturing
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 Lombardi Design and Manufacturing filed Critical Lombardi Design and Manufacturing
Priority to US11/832,887 priority Critical patent/US20080029551A1/en
Assigned to LOMBARDI MANUFACTURING AND DESIGN reassignment LOMBARDI MANUFACTURING AND DESIGN ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LOMBARDI, CARL
Publication of US20080029551A1 publication Critical patent/US20080029551A1/en
Abandoned legal-status Critical Current

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    • 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
    • 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
    • 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
    • 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
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container

Definitions

  • This invention relates to finger-operated spray pump caps and the manufacture of the same, and to a molding method useful for making such caps.
  • Finger-operated spray pumps are widely used.
  • the contents being sprayed can be pressurized or non-pressurized.
  • Pressurized containers typically have a release valve that is depressed into the container to release the contents
  • non-pressurized containers typically have a self-priming pump mechanism.
  • there is an assembly on top of the container having a finger-actuated mechanism for releasing the contents of the pressurized container or pumping the contents of a non-pressurized container.
  • the assembly often includes a nozzle to direct the effluent contents, and the nozzle is chosen often to achieve a desired atomized droplet size.
  • Such devices find use in pumping or spraying everything from water, perfumes, and other liquids, to medicaments and other solutions, emulsions, and suspensions, to cooking oils and other non-aqueous liquid media, to paint, hairspray, and other viscous or pasty materials.
  • a container is provided pre-filled to an operation wherein the top assembly is attached.
  • the top assembly is often a standard part supplied to the assembler that must be attached to a container designated by the customer. Because the top assembly is standard, it is typical practice to provide the cap, which the user presses to release or pump the container contents, and the nozzle assembly, as separate parts with a spring between the two, the combination of cap and nozzle assembly being disposed within a housing. The spring allows the nozzle assembly to sit at slightly different heights from a release valve or pump assembly attached to the container, depending on the particular container. Because the container is designated by the customer, a standard top assembly may not always locate the spray nozzle optimally. The spring between the nozzle assembly and the cap corrects for minor differences between the cap and the nozzle assembly when mounted on the container.
  • an object of this invention is to provide a spring integral with the cap, thereby avoiding the separate assembly of a spring between the cap and the nozzle assembly, and so reducing the number of parts and the assembly time.
  • Another object of this invention is to provide a mold and method of molding providing for a spring to be integrally molded into the cap.
  • this invention provides a pump spray cap having a spring molded unitary with the cap.
  • This invention also provides a pump spray device including a container have a dispensable liquid, a nozzle assembly, and a pump spray cap having a spring molded therewith.
  • This invention also provides a molding and a method of molding an article having a surface from which a cantilever is molded integral with a surface of the article.
  • FIG. 1 is a perspective view of the top assembly.
  • FIG. 2 is a cross section taken along line 2 - 2 .
  • FIG. 1 depicts a perspective view of the top assembly including an outer housing 101 having an open top through which is accessed the cap 103 .
  • a nozzle 105 projects though an opening 107 of the inner housing and through an opening 109 of the outer housing.
  • the top flange 111 of the outer housing includes a concavity 113 allowing easy user access to a depression 115 in the top surface of the cap.
  • the outer housing (shown in phantom) contains an inner housing 201 having an outer wall 203 defining a bottom chamber 205 for accepting the top of a container with a dispensable liquid (not shown).
  • the container top typically has a stem duct that is functionally connected to a self-priming pump for a non-pressurized container or a release valve for a pressurized container.
  • Inwardly projecting from the outer wall is a inner wall 207 having a geometry to match the top of the container, which is typically round (e.g., cylindrical).
  • the inner wall acts as a support for the cap.
  • the cap is sized appropriately to size on the inner wall in close tolerance with the outer wall so as maintain the functional orientation shown.
  • a nozzle housing 209 Disposed within the cap is a nozzle housing 209 including a nozzle (not shown in FIG. 2 ) that protrudes through an orifice 211 in the nozzle housing and through the aforementioned openings in the inner and outer housings.
  • the nozzle housing includes a column 213 with a column opening 215 for accepting and retaining the conduit or stem of the container effective to provide fluid communication between the stem and the nozzle.
  • the tolerance between the stem and the column opening provides a friction fit.
  • the cap thus overlies the nozzle housing, allowing a user to press on the cap, and thereby also the nozzle housing, thereby opening the release valve for a pressurized container or a pump cycle to expel the liquid for a non-pressurized container.
  • two leaf springs 217 a and 217 b allowing the nozzle housing to “float” axially within the cap (“axial” being in the direction towards and away from the container along the stem); because there is no fixed connection between the cap and the nozzle housing, the nozzle housing can also move transversely if needed to accommodate the placement of the stem of the container.
  • the leaf spring can be molded into the top of the nozzle housing. Molding the leaf springs into both the cap and the nozzle housing is possible, but will be likely to cause interference during assembly.
  • the inner housing, cap, and nozzle housing are preferably made of plastic (polymer or resin), and may be the same or different types of plastic.
  • the outer housing is preferably also made of plastic, but can be made of metal, wood, ceramic, or any decorative material.
  • the inner and outer housings can be provided with means to connect to each other, such as a coupling, friction fit, force fit, or adhesive, and either separately or as a connected unitary structure are connected to the container or to the packaging (housing) for the container. It is preferred that the top be assembled as a unit which can then be attached to the container directly. Thus, it is possible to ship from one assembler complete top units that the can taken by another assembly company and placed onto the containers.

Abstract

A top for a manual spray pump is provided with a cap or nozzle assembly having a spring molded integrally with the cap or nozzle assembly, thereby eliminating the separate manufacturing step of inserting a spring.

Description

    RELATED APPLICATIONS
  • This application claims priority from U.S. provisional application 60/835,605, filed Aug. 4, 2006, the disclosure of which is incorporated herein by reference.
    • BACKGROUND OF THE INVENTION
  • This invention relates to finger-operated spray pump caps and the manufacture of the same, and to a molding method useful for making such caps.
  • Finger-operated spray pumps are widely used. The contents being sprayed can be pressurized or non-pressurized. Pressurized containers typically have a release valve that is depressed into the container to release the contents, and non-pressurized containers typically have a self-priming pump mechanism. In both cases, there is an assembly on top of the container having a finger-actuated mechanism for releasing the contents of the pressurized container or pumping the contents of a non-pressurized container. The assembly often includes a nozzle to direct the effluent contents, and the nozzle is chosen often to achieve a desired atomized droplet size. Such devices find use in pumping or spraying everything from water, perfumes, and other liquids, to medicaments and other solutions, emulsions, and suspensions, to cooking oils and other non-aqueous liquid media, to paint, hairspray, and other viscous or pasty materials.
  • Especially in the area of cosmetics and perfumery packaging, a container is provided pre-filled to an operation wherein the top assembly is attached. The top assembly is often a standard part supplied to the assembler that must be attached to a container designated by the customer. Because the top assembly is standard, it is typical practice to provide the cap, which the user presses to release or pump the container contents, and the nozzle assembly, as separate parts with a spring between the two, the combination of cap and nozzle assembly being disposed within a housing. The spring allows the nozzle assembly to sit at slightly different heights from a release valve or pump assembly attached to the container, depending on the particular container. Because the container is designated by the customer, a standard top assembly may not always locate the spray nozzle optimally. The spring between the nozzle assembly and the cap corrects for minor differences between the cap and the nozzle assembly when mounted on the container.
  • One disadvantage to this arrangement is that a separate spring part must be inserted between the nozzle assembly and the cap. A separate spring part is needed, and the spring must be manually inserted into the cap bottom, and then the nozzle assembly fit into the cap while retaining the spring. Still further, the nozzle assembly must be secured to keep this sub-assembly integral. Accordingly, there are manual labor steps with small parts, and the sub-assembly must be engineered to be integral once assembled, so if the spring is positioned incorrectly, the sub-assembly is defective.
    • SUMMARY OF THE INVENTION
  • In light of the foregoing, an object of this invention is to provide a spring integral with the cap, thereby avoiding the separate assembly of a spring between the cap and the nozzle assembly, and so reducing the number of parts and the assembly time.
  • Another object of this invention is to provide a mold and method of molding providing for a spring to be integrally molded into the cap.
  • In summary, this invention provides a pump spray cap having a spring molded unitary with the cap. This invention also provides a pump spray device including a container have a dispensable liquid, a nozzle assembly, and a pump spray cap having a spring molded therewith.
  • This invention also provides a molding and a method of molding an article having a surface from which a cantilever is molded integral with a surface of the article.
    • BRIEF DESCRIPTION OF THE FIGURES
  • FIG. 1 is a perspective view of the top assembly.
  • FIG. 2 is a cross section taken along line 2-2.
    •  DETAILED DESCRIPTION OF SPECIFIC EMBODIMENTS
  • FIG. 1 depicts a perspective view of the top assembly including an outer housing 101 having an open top through which is accessed the cap 103. A nozzle 105 projects though an opening 107 of the inner housing and through an opening 109 of the outer housing. The top flange 111 of the outer housing includes a concavity 113 allowing easy user access to a depression 115 in the top surface of the cap.
  • As seen in FIG. 2, the outer housing (shown in phantom) contains an inner housing 201 having an outer wall 203 defining a bottom chamber 205 for accepting the top of a container with a dispensable liquid (not shown). The container top typically has a stem duct that is functionally connected to a self-priming pump for a non-pressurized container or a release valve for a pressurized container. Inwardly projecting from the outer wall is a inner wall 207 having a geometry to match the top of the container, which is typically round (e.g., cylindrical). The inner wall acts as a support for the cap. The cap is sized appropriately to size on the inner wall in close tolerance with the outer wall so as maintain the functional orientation shown.
  • Disposed within the cap is a nozzle housing 209 including a nozzle (not shown in FIG. 2) that protrudes through an orifice 211 in the nozzle housing and through the aforementioned openings in the inner and outer housings. The nozzle housing includes a column 213 with a column opening 215 for accepting and retaining the conduit or stem of the container effective to provide fluid communication between the stem and the nozzle. Typically the tolerance between the stem and the column opening provides a friction fit. The cap thus overlies the nozzle housing, allowing a user to press on the cap, and thereby also the nozzle housing, thereby opening the release valve for a pressurized container or a pump cycle to expel the liquid for a non-pressurized container.
  • Molded into the cap are two leaf springs 217 a and 217 b allowing the nozzle housing to “float” axially within the cap (“axial” being in the direction towards and away from the container along the stem); because there is no fixed connection between the cap and the nozzle housing, the nozzle housing can also move transversely if needed to accommodate the placement of the stem of the container. Alternatively, the leaf spring can be molded into the top of the nozzle housing. Molding the leaf springs into both the cap and the nozzle housing is possible, but will be likely to cause interference during assembly.
  • The inner housing, cap, and nozzle housing are preferably made of plastic (polymer or resin), and may be the same or different types of plastic. The outer housing is preferably also made of plastic, but can be made of metal, wood, ceramic, or any decorative material.
  • The inner and outer housings can be provided with means to connect to each other, such as a coupling, friction fit, force fit, or adhesive, and either separately or as a connected unitary structure are connected to the container or to the packaging (housing) for the container. It is preferred that the top be assembled as a unit which can then be attached to the container directly. Thus, it is possible to ship from one assembler complete top units that the can taken by another assembly company and placed onto the containers.

Claims (4)

1. A top assembly for a container having a pumpable or sprayable liquid released through a conduit by pressure or a pump actuated by pressing on said conduit, comprising: a nozzle housing containing a nozzle and means for engaging the conduit effective to provide fluid communication between the conduit and the nozzle; and a cap accessible to a user of the container and overlying the nozzle housing, the cap being injection molded and molded integrally therewith at least one spring engaging the nozzle housing biasing the nozzle housing away from the cap.
2. The top assembly of claim 1, wherein the spring is a leaf spring and the cap is molded with two leaf springs.
3. A top assembly for a container having a pumpable or sprayable liquid released through a conduit by pressure or a pump actuated by pressing on said conduit, comprising: a nozzle housing containing a nozzle and means for engaging the conduit effective to provide fluid communication between the conduit and the nozzle; and a cap accessible to a user of the container and overlying the nozzle housing, the nozzle housing being injection molded and molded integrally therewith at least one spring engaging the cap and biasing the nozzle housing away from the cap.
4. The top assembly of claim 3, wherein the spring is a leaf spring and the nozzle assembly is molded with two leaf springs.
US11/832,887 2006-08-04 2007-08-02 Spray cap with integral spring Abandoned US20080029551A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/832,887 US20080029551A1 (en) 2006-08-04 2007-08-02 Spray cap with integral spring

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US83560506P 2006-08-04 2006-08-04
US11/832,887 US20080029551A1 (en) 2006-08-04 2007-08-02 Spray cap with integral spring

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100090027A1 (en) * 2007-03-27 2010-04-15 Knopow Jeremy F Refillable devices for dispensing fluids
US8251255B1 (en) 2004-07-02 2012-08-28 Homax Products, Inc. Aerosol spray texture apparatus for a particulate containing material
US8336742B2 (en) 2004-10-08 2012-12-25 Homax Products, Inc. Aerosol systems and methods for dispensing texture material
US8777065B2 (en) 2007-03-27 2014-07-15 S.C. Johnson & Son, Inc. Container with dip tube holder
CN103976550A (en) * 2014-04-11 2014-08-13 宁波市镇海碧水环保化学有限公司 Spray perfume bottle
CN104068603A (en) * 2014-03-27 2014-10-01 宁波市镇海碧水环保化学有限公司 Safe perfume bottle
US9156042B2 (en) 2011-07-29 2015-10-13 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9156602B1 (en) 2012-05-17 2015-10-13 Homax Products, Inc. Actuators for dispensers for texture material
US9248457B2 (en) 2011-07-29 2016-02-02 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9435120B2 (en) 2013-03-13 2016-09-06 Homax Products, Inc. Acoustic ceiling popcorn texture materials, systems, and methods
USD787326S1 (en) 2014-12-09 2017-05-23 Ppg Architectural Finishes, Inc. Cap with actuator
US9776785B2 (en) 2013-08-19 2017-10-03 Ppg Architectural Finishes, Inc. Ceiling texture materials, systems, and methods
US9815612B1 (en) 2016-06-09 2017-11-14 Avanti USA Ltd. Flip-top bushing for aerosol canister with molded actuator spring
USD892628S1 (en) 2019-01-11 2020-08-11 Albert P. Caruso Aerosol canister case with indication ring
FR3118006A1 (en) 2020-12-18 2022-06-24 Qualipac Dispensing device for fluid product and container for fluid product

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5785208A (en) * 1996-04-10 1998-07-28 Calmar Inc. Precompression pump sprayer having suck-back feature
US6223954B1 (en) * 2000-08-10 2001-05-01 Robert N. Carow Pump actuator with plastic spring

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5785208A (en) * 1996-04-10 1998-07-28 Calmar Inc. Precompression pump sprayer having suck-back feature
US6223954B1 (en) * 2000-08-10 2001-05-01 Robert N. Carow Pump actuator with plastic spring

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8251255B1 (en) 2004-07-02 2012-08-28 Homax Products, Inc. Aerosol spray texture apparatus for a particulate containing material
US8336742B2 (en) 2004-10-08 2012-12-25 Homax Products, Inc. Aerosol systems and methods for dispensing texture material
US8777065B2 (en) 2007-03-27 2014-07-15 S.C. Johnson & Son, Inc. Container with dip tube holder
US20100090027A1 (en) * 2007-03-27 2010-04-15 Knopow Jeremy F Refillable devices for dispensing fluids
US8857738B2 (en) 2007-03-27 2014-10-14 S.C. Johnson & Son, Inc. Refillable devices for dispensing fluids
US9248457B2 (en) 2011-07-29 2016-02-02 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9156042B2 (en) 2011-07-29 2015-10-13 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9156602B1 (en) 2012-05-17 2015-10-13 Homax Products, Inc. Actuators for dispensers for texture material
US9435120B2 (en) 2013-03-13 2016-09-06 Homax Products, Inc. Acoustic ceiling popcorn texture materials, systems, and methods
US9776785B2 (en) 2013-08-19 2017-10-03 Ppg Architectural Finishes, Inc. Ceiling texture materials, systems, and methods
CN104068603A (en) * 2014-03-27 2014-10-01 宁波市镇海碧水环保化学有限公司 Safe perfume bottle
CN103976550A (en) * 2014-04-11 2014-08-13 宁波市镇海碧水环保化学有限公司 Spray perfume bottle
USD787326S1 (en) 2014-12-09 2017-05-23 Ppg Architectural Finishes, Inc. Cap with actuator
US9815612B1 (en) 2016-06-09 2017-11-14 Avanti USA Ltd. Flip-top bushing for aerosol canister with molded actuator spring
USD892628S1 (en) 2019-01-11 2020-08-11 Albert P. Caruso Aerosol canister case with indication ring
FR3118006A1 (en) 2020-12-18 2022-06-24 Qualipac Dispensing device for fluid product and container for fluid product

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AS Assignment

Owner name: LOMBARDI MANUFACTURING AND DESIGN, NEW YORK

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LOMBARDI, CARL;REEL/FRAME:019638/0888

Effective date: 20070711

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION