CA2486645A1 - Bladder water gun, improved bladder and nozzle - Google Patents

Bladder water gun, improved bladder and nozzle Download PDF

Info

Publication number
CA2486645A1
CA2486645A1 CA002486645A CA2486645A CA2486645A1 CA 2486645 A1 CA2486645 A1 CA 2486645A1 CA 002486645 A CA002486645 A CA 002486645A CA 2486645 A CA2486645 A CA 2486645A CA 2486645 A1 CA2486645 A1 CA 2486645A1
Authority
CA
Canada
Prior art keywords
bladder
nozzle
ejection
water
trigger
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
CA002486645A
Other languages
French (fr)
Other versions
CA2486645C (en
Inventor
Bruce M. D'andrade
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.)
Larami Ltd
Original Assignee
Larami Limited
Bruce M. D'andrade
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
Priority claimed from US08/672,941 external-priority patent/US5799827A/en
Priority claimed from US08/672,942 external-priority patent/US5758800A/en
Priority claimed from US08/672,933 external-priority patent/US5779099A/en
Application filed by Larami Limited, Bruce M. D'andrade filed Critical Larami Limited
Publication of CA2486645A1 publication Critical patent/CA2486645A1/en
Application granted granted Critical
Publication of CA2486645C publication Critical patent/CA2486645C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/02—Influencing flow of fluids in pipes or conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3402—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to avoid or to reduce turbulencies, e.g. comprising fluid flow straightening means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
    • F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
    • F15B1/16—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means in the form of a tube
    • F15B1/165—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means in the form of a tube in the form of a bladder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0003—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid
    • F41B9/0006—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised prior to ejection
    • F41B9/0009—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised prior to ejection the pressurised liquid being contained in an expandable chamber, e.g. a bladder or a chamber with a spring-loaded slidable wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41B—WEAPONS FOR PROJECTING MISSILES WITHOUT USE OF EXPLOSIVE OR COMBUSTIBLE PROPELLANT CHARGE; WEAPONS NOT OTHERWISE PROVIDED FOR
    • F41B9/00—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure
    • F41B9/0003—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid
    • F41B9/0006—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised prior to ejection
    • F41B9/0009—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised prior to ejection the pressurised liquid being contained in an expandable chamber, e.g. a bladder or a chamber with a spring-loaded slidable wall
    • F41B9/0012—Liquid ejecting guns, e.g. water pistols, devices ejecting electrically charged liquid jets, devices ejecting liquid jets by explosive pressure characterised by the pressurisation of the liquid the liquid being pressurised prior to ejection the pressurised liquid being contained in an expandable chamber, e.g. a bladder or a chamber with a spring-loaded slidable wall the gun having an unpressurised liquid reservoir
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/20—Accumulator cushioning means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3152—Accumulator separating means having flexible separating means the flexible separating means being bladders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/30—Accumulator separating means
    • F15B2201/315—Accumulator separating means having flexible separating means
    • F15B2201/3158—Guides for the flexible separating means, e.g. for a collapsed bladder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2201/00—Accumulators
    • F15B2201/40—Constructional details of accumulators not otherwise provided for
    • F15B2201/41—Liquid ports
    • F15B2201/411—Liquid ports having valve means

Abstract

An expandable bladder toy water gun is provided. It includes a main housing having a barrel, a water ejection nozzle, a handle, a trigger, a water storage tank, a hand pump as well as an inflatable bladder connected to the main housing. The pump is connected to both the tank and the bladder. There is a bladder release valve with an upstream side connected to the bladder and a downstream side connected to the nozzle for water ejection when the trigger is pulled. The elasticity of the bladder is used as the motive force for liquid ejection. The bladder is a tubular member which has a section of weakened elastic strength relative to the remainder of the member. In one embodiment, the bladder has a variable diameter, larger at its front end and smaller at its back end. In another embodiment, the bladder has a constant diameter with a wall thickness gradient. The nozzle includes a turbulence member for enhanced laminar flow ejection which control member has a plurality of linear stream guidance walls.
CA002486645A 1996-06-28 1997-06-27 Bladder water gun, improved bladder and nozzle Expired - Fee Related CA2486645C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US08/672,941 US5799827A (en) 1996-06-28 1996-06-28 Bladder water gun
US08/672,941 1996-06-28
US08/672,942 US5758800A (en) 1996-06-28 1996-06-28 Bladder for water gun
US08/672,933 US5779099A (en) 1996-06-28 1996-06-28 Nozzle with turbulence control member for water gun laminar flow ejection
CA002268924A CA2268924C (en) 1996-06-28 1997-06-27 Bladder water gun, improved bladder and nozzle

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002268924A Division CA2268924C (en) 1996-06-28 1997-06-27 Bladder water gun, improved bladder and nozzle

Publications (2)

Publication Number Publication Date
CA2486645A1 true CA2486645A1 (en) 1998-01-08
CA2486645C CA2486645C (en) 2006-05-30

Family

ID=27418262

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002486645A Expired - Fee Related CA2486645C (en) 1996-06-28 1997-06-27 Bladder water gun, improved bladder and nozzle
CA002268924A Expired - Fee Related CA2268924C (en) 1996-06-28 1997-06-27 Bladder water gun, improved bladder and nozzle

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002268924A Expired - Fee Related CA2268924C (en) 1996-06-28 1997-06-27 Bladder water gun, improved bladder and nozzle

Country Status (8)

Country Link
EP (1) EP0914183B1 (en)
AT (1) ATE302052T1 (en)
AU (1) AU726843B2 (en)
CA (2) CA2486645C (en)
DE (1) DE69734001T2 (en)
ES (1) ES2247634T3 (en)
NZ (2) NZ333049A (en)
WO (1) WO1998000214A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7451900B2 (en) 2004-06-30 2008-11-18 S.C. Johnson & Son, Inc. Delivery system
DE102007024247B3 (en) 2007-05-15 2008-11-06 Lechler Gmbh High pressure nozzle and method of making a high pressure nozzle
WO2018215646A1 (en) 2017-05-26 2018-11-29 Sebastian Walter Water gun
CN109357568A (en) * 2018-10-09 2019-02-19 张萍 A kind of water gun being connected with three mouthfuls of water tanks
CN110000025A (en) * 2019-01-28 2019-07-12 苏州市中医医院 A kind of hydraulic giant device
CN114459282B (en) * 2022-02-14 2024-02-20 东莞市山普斯科技有限公司 Automatic water gun

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GB496231A (en) * 1937-05-27 1938-11-28 Ferranti Ltd Improvements in or relating to conduits, spouts or the like
US2237678A (en) 1939-01-04 1941-04-08 Marx & Co Louis Repeating cork-shooting toy
US2627439A (en) * 1949-11-25 1953-02-03 K C Fire Nozzle & Equipment Co Hose nozzle
US2820675A (en) * 1956-02-06 1958-01-21 Carl S Zilk Nozzle construction
NL282090A (en) * 1959-06-20
US3190229A (en) * 1961-06-09 1965-06-22 Turowski Erwin Method and apparatus for conveying liquids
US3486539A (en) 1965-09-28 1969-12-30 Jacuzzi Bros Inc Liquid dispensing and metering assembly
US3406633A (en) * 1966-11-07 1968-10-22 Ibm Collapsible chamber pump
US3630444A (en) * 1970-03-31 1971-12-28 American Standard Inc Trajectory flow control apparatus
US4140117A (en) * 1975-05-12 1979-02-20 Alza Corporation Cartridge for liquid infusion apparatus
US4135559A (en) * 1976-03-17 1979-01-23 Barnby Donald W Water squirt toy and fill valve combination
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US4730786A (en) * 1984-08-15 1988-03-15 Nelson Walter R Low noise, flow limiting, laminar stream spout
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AU7588587A (en) * 1986-07-16 1988-02-10 Richard Friedrich Container with at least one chamber formed by a tubular body, tubular body, process and device for producing the same
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FR2625729B1 (en) * 1988-01-08 1990-08-17 Step Soc Tech Pulverisation DEVICE FOR DISPENSING PASTA PRODUCT
US4867208A (en) * 1988-02-04 1989-09-19 Fitzgerald Robert M Apparatus for storing and dispensing fluid under pressure
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Also Published As

Publication number Publication date
DE69734001T2 (en) 2006-04-13
DE69734001D1 (en) 2005-09-22
NZ505248A (en) 2001-12-21
NZ333049A (en) 2000-11-24
CA2268924C (en) 2006-10-17
CA2486645C (en) 2006-05-30
ES2247634T3 (en) 2006-03-01
EP0914183A4 (en) 2000-11-02
AU726843B2 (en) 2000-11-23
AU3591797A (en) 1998-01-21
ATE302052T1 (en) 2005-09-15
WO1998000214A1 (en) 1998-01-08
EP0914183B1 (en) 2005-08-17
CA2268924A1 (en) 1998-01-08
EP0914183A1 (en) 1999-05-12

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed