US3591089A - Portable spray means for dual liquids - Google Patents

Portable spray means for dual liquids Download PDF

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US3591089A
US3591089A US822547A US3591089DA US3591089A US 3591089 A US3591089 A US 3591089A US 822547 A US822547 A US 822547A US 3591089D A US3591089D A US 3591089DA US 3591089 A US3591089 A US 3591089A
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spray
secondary container
container
weight
catalyst
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US822547A
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Philip J Cronan
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RUBIN MANDEL
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RUBIN MANDEL
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    • 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
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
    • B65D83/687—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head the products being totally mixed on, or prior to, first use, e.g. by breaking an ampoule containing one of the products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas

Definitions

  • a spray can for resin paints under pressure incorporates a secondary container in its interior for holding a catalyst.
  • a spray means including a spray valve is received on one end of the cam and includes an elongated tube extending into the can.
  • the secondary container includes inertia means in the form of a weight.
  • the arrangement is such that shaking of the can causes the weight to shatter the secondary container thereby placing the catalyst and resin in communication with each other. Mixing of the ingredients can thus take place just prior to a spraying operation, the mixture passing up through the tube and out the spray means when the spray valve is opened.
  • suitable outlets from the separate containers pass into a common chamber in a spray nozzle and the mixture is then caused to be sprayed from the nozzle under a high-pressure source such as might be provided by a spray pump.
  • the present invention provides a portable paint spray device which overcomes the foregoing problems in that it enables the spraying of resinous-type paint from a single can incorporating a secondary container but arranged in such a manner that the device may be relatively economically manufactured.
  • the invention contemplates the provision of a can having a frangible secondary container in the interior thereof.
  • Spray means including the usual elongated tube extends; into one end of the can.
  • An inertia means is provided in the secondary container such that by shaking the can, the inertia'means shatters the secondary container. Chemicals in the can and secondary container may then be mixed together and both pass out through the spray tube to effect the desired spraying operation.
  • the secondary container holds the catalyst chemical and the resin in the can itself is underpressure by providing a gas propellant such as Freon gas so that pressure is automatically provided for expelling the mixture after the container has been ruptured.
  • a gas propellant such as Freon gas
  • FIG. l is an exploded perspective view illustrating the various components making up the spray device of the invention.
  • FIG. 2 is an elevational view partly in cross section showing the various components of FIG. I in assembled relationship.
  • FIG. 1 there is shown a conventional cylindrical spray can 10 closed at one end by a concave bottom member ll and terminated at its other end in an opening 12.
  • the opening 12 of the can 10 is arranged to receive a spray means 13 including an annular turned rim 14 for cooperation with an external head or rib 15 on the can itself.
  • the spray means 13 includes an elongated tube 16 receivable in the can. Tube 16 at its outer end connects to a spray control valve in a housing 17 operable by a pushbutton 18 with a nozzle outlet 19. Any conventional type of pushbutton valve may be utilized. Since the valve structure itself constitutes no part of the present invention,.i t is not herein described in further detail.
  • the secondary container 20 preferably takes the form of an elongated hollow glass cylinder closed at both ends.
  • An inertia means in the form of a weight or mass 21 of inert metal is disposed in the container and is loosely slidable back and forth along the axis of the container.
  • This weight is preferably fluted as indicated at 22 so that catalyst or other liquid in the container will not appreciably impede movement of the weight.
  • the arrangement is such that impacting of the weight against one end 23 of the container will shatter or rupture the container. If desired, the end 23 may be scored at 24 to weaken the same and facilitate the rupturing thereof by the weight.
  • the other end of the container may be closed by a cork 25 after the weight and chemical have been placed in the contamer.
  • a spring clip bracket 26 in the can may be provided to mount the secondary container 20.
  • a small filtering screen 27 at the end of the tube 16 the purpose for which will become clearer as the description proceeds.
  • FIG. 2 the various components of FIG. 1 are shown in assembled relationship.
  • the axis A of the. secondary container 20 is in spaced parallel relationship to the axis B of the can 10 when the container is received in the bracket 26.
  • the arrangement is such that shaking of the can in a generally axial direction will cause the weight 21 to move back and forth along the axis of the container and eventually result in the weight rupturing the end 23 of the container.
  • the interior of the container is then in communication with the interior of the can.
  • the can and container are shown in FIG. 2 as being partially filled with suitable chemicals 28 and 29 respectively.
  • the chemical 28 may constitute a resin paint and the chemical 29 a catalyst.
  • This catalyst is initially placed in the container 11 and the container then passed through the opening 12 of the can and clipped to the bracket 26.
  • the spray means 13 for the can is then secured in place by securing the rim 14 over the rib 15.
  • the can itself may then be filled with resin paint chemical 28 by removing the pushbutton l8 and actuating the valve in housing 17 with an injection tube. At this point a gas propellant 30 such as Freon is added to place the resin in the can under pressure.
  • the pushbutton 18 is then replaced.
  • the spray device is provided with suitable chemicals as described.
  • a customer may then simply purchase the can in the condition illustrated in FIG. 2 and when he desires to effect a painting or other type of coating operation, it is only necessary for him to vigorously shake the can thereby causing the weight 21 to impact the end of the secondary container 20 and shatter the same.
  • the weight 21 will be free to move about the interior of the can and will aid in the mixing.
  • the user will then depress the button 18 to open the valve in the housing 17 and the mixture will pass out the spray nozzle 19 under pressure existing as a consequence of the gas propellant.
  • This propellant may be in a partially liquid state as indicated at 30 and a partially gaseous state as indicated at 31. Suflicient pressure is thus maintained by using a propellant such as Freon or an equivalent liquid with a low boiling point.
  • the screen 27 will prevent any fragments of the container from passing up the tube 16.
  • any frangible material such as a ceramic could be employed.
  • a portable spray means for dual liquids comprising, in combination: an elongated cylindrical can; an elongated cylindrical secondary container of frangible material positioned in the interior of said can with its longitudinal axis running substantially longitudinally in said can; a weight in said secondary container of mass such that one end of said container can be shattered upon impact by said weight; spray means on said can including an elongated tube passing into said can and extending downwardly therein, said secondary container including a catalyst and said can containing a resinous liquid and gas propellant to be mixed with said catalyst, whereby shaking of said can back and forth generally in the longitudinal direction of the can causes said weight to shatter said secondary container and place said catalyst into communication with said resinous liquid and gas propellant; and a screen at the inner end of said elongated tube for blocking any fragments of said secondary container from passing up through said tube during a spray operation.

Abstract

A spray can for resin paints under pressure incorporates a secondary container in its interior for holding a catalyst. A spray means including a spray valve is received on one end of the cam and includes an elongated tube extending into the can. The secondary container includes inertia means in the form of a weight. The arrangement is such that shaking of the can causes the weight to shatter the secondary container thereby placing the catalyst and resin in communication with each other. Mixing of the ingredients can thus take place just prior to a spraying operation, the mixture passing up through the tube and out the spray means when the spray valve is opened.

Description

United States Patent [72] Inventor Philip J. Cronan Los Angeles, Calif. 1 [2|] Appl. No. 822,547 [22] Filed May 7,1969 [45] Patented July 6, 1971 (73] Assignee Rubin Mandel Los Angeles, Calif. a part interest [54] PORTABLE SPRAY MEANS FOR DUAL LIQUIDS 1 Claim, 2 Drawing Figs.
[52] US. Cl 239/304, 239/309, 222/83 [51] lnt.Cl A62c 31/30 [50] Field 01 Search 239/304, 309, 575, 303; 73/322.5, 305, 306, 314, 315, 319, 322,57; 169/32; 222/83, 87, 394; 206/47 A [56] References Cited UNITED STATES PATENTS 489,767 l/l893 Stempel 169/32 1,427,922 9/1922 Tiffany 73/57 3,065,918 1 111962 Hostetter 239/575 6/1966 Modderno 239/309 3,339,802 9/1967 Weiner et al. 222/83 X 3,422,992 1/1969 Brooks et al 222/83 X FOREIGN PATENTS 849,006 1 H1939 France 222/394 252,952 6/1926 Great Britain 222/394 Primary ExaminerM. Henson Wood, .lr. Assistant Examiner-Edwin D. Grant Att0meyPastoriza & Kelly ABSTRACT: A spray can for resin paints under pressure incorporates a secondary container in its interior for holding a catalyst. A spray means including a spray valve is received on one end of the cam and includes an elongated tube extending into the can. The secondary container includes inertia means in the form of a weight. The arrangement is such that shaking of the can causes the weight to shatter the secondary container thereby placing the catalyst and resin in communication with each other. Mixing of the ingredients can thus take place just prior to a spraying operation, the mixture passing up through the tube and out the spray means when the spray valve is opened.
PATENTEU JUL 6 I97| INVENTOR: PHlLiP J. CRONAN B) wafim 'Arrok/vzys PORTABLE SPRAY MEANS FOR DUAL LIQUIDS This invention relates generally to spray cans and more particularly, to an improved spray means for holding chemicals which must normally be maintained in a separated condition until immediately prior to use.
BACKGROUND OF THE INVENTION separated states until just prior to use.
In an actual spraying operation, suitable outlets from the separate containers pass into a common chamber in a spray nozzle and the mixture is then caused to be sprayed from the nozzle under a high-pressure source such as might be provided by a spray pump.
Inrecent years there has been introduced on the market paint spraying devices which take the form of only a single container including a paint under pressure to be sprayed. This portable-type sprayer eliminates the need for auxiliary spray pumps and the like. However, suchcontainers including a paint under pressure are not suitable for resinous-type paints or plastic coatings wherein two chemical ingredients must be mixed together immediately prior to spraying. Attempts to solve this problem have taken the form of a can containing at least two compartments which are sealed from each other. The catalyst and resinous materials are placed in the compartments respectively and caused to be mixed immediately prior touse. Such devices as have been provided heretofore, howeverfare relatively expensive to manufacture in large quantities primarily because of difficulties in forming the dual compartment container itself. As a consequence, spraying objects with resinous paint requiring a catalyst has had to be carried out in the known manner of providing separate containers in I cooperation with a spray pump and special nozzle.
BRIEF DESCRIPTION OF THE PRESENT INVENTION The present invention provides a portable paint spray device which overcomes the foregoing problems in that it enables the spraying of resinous-type paint from a single can incorporating a secondary container but arranged in such a manner that the device may be relatively economically manufactured.
More particularly, the invention contemplates the provision of a can having a frangible secondary container in the interior thereof. Spray means including the usual elongated tube extends; into one end of the can. An inertia means is provided in the secondary container such that by shaking the can, the inertia'means shatters the secondary container. Chemicals in the can and secondary container may then be mixed together and both pass out through the spray tube to effect the desired spraying operation.
In the foregoing construction, the secondary container holds the catalyst chemical and the resin in the can itself is underpressure by providing a gas propellant such as Freon gas so that pressure is automatically provided for expelling the mixture after the container has been ruptured.
BRIEF DESCRIPTION OF THE DRAWINGS A better understanding of the invention will be had by now referring to a preferred embodiment thereof as illustrated in the accompanying drawings, in which:
.fFIG. l is an exploded perspective view illustrating the various components making up the spray device of the invention; and,
FIG. 2 is an elevational view partly in cross section showing the various components of FIG. I in assembled relationship.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Referring to FIG. 1 there is shown a conventional cylindrical spray can 10 closed at one end by a concave bottom member ll and terminated at its other end in an opening 12.
The opening 12 of the can 10 is arranged to receive a spray means 13 including an annular turned rim 14 for cooperation with an external head or rib 15 on the can itself. As shown, the spray means 13 includes an elongated tube 16 receivable in the can. Tube 16 at its outer end connects to a spray control valve in a housing 17 operable by a pushbutton 18 with a nozzle outlet 19. Any conventional type of pushbutton valve may be utilized. Since the valve structure itself constitutes no part of the present invention,.i t is not herein described in further detail.
The secondary container 20 preferably takes the form of an elongated hollow glass cylinder closed at both ends. An inertia means in the form of a weight or mass 21 of inert metal is disposed in the container and is loosely slidable back and forth along the axis of the container. This weight is preferably fluted as indicated at 22 so that catalyst or other liquid in the container will not appreciably impede movement of the weight. The arrangement is such that impacting of the weight against one end 23 of the container will shatter or rupture the container. If desired, the end 23 may be scored at 24 to weaken the same and facilitate the rupturing thereof by the weight. The other end of the container may be closed by a cork 25 after the weight and chemical have been placed in the contamer.
A spring clip bracket 26 in the can may be provided to mount the secondary container 20. Finally, there may be provided a small filtering screen 27 at the end of the tube 16, the purpose for which will become clearer as the description proceeds.
Referring now to FIG. 2, the various components of FIG. 1 are shown in assembled relationship. It will be noted that the axis A of the. secondary container 20 is in spaced parallel relationship to the axis B of the can 10 when the container is received in the bracket 26. The arrangement is such that shaking of the can in a generally axial direction will cause the weight 21 to move back and forth along the axis of the container and eventually result in the weight rupturing the end 23 of the container. The interior of the container is then in communication with the interior of the can.
The can and container are shown in FIG. 2 as being partially filled with suitable chemicals 28 and 29 respectively. The chemical 28 may constitute a resin paint and the chemical 29 a catalyst. This catalyst is initially placed in the container 11 and the container then passed through the opening 12 of the can and clipped to the bracket 26. The spray means 13 for the can is then secured in place by securing the rim 14 over the rib 15. The can itself may then be filled with resin paint chemical 28 by removing the pushbutton l8 and actuating the valve in housing 17 with an injection tube. At this point a gas propellant 30 such as Freon is added to place the resin in the can under pressure. The pushbutton 18 is then replaced.
OPERATION The spray device is provided with suitable chemicals as described. A customer may then simply purchase the can in the condition illustrated in FIG. 2 and when he desires to effect a painting or other type of coating operation, it is only necessary for him to vigorously shake the can thereby causing the weight 21 to impact the end of the secondary container 20 and shatter the same.
After the secondary container is shattered, further shaking of the can will mix the chemical ingredients. In this respect, the weight 21 will be free to move about the interior of the can and will aid in the mixing. Thereafter, the user will then depress the button 18 to open the valve in the housing 17 and the mixture will pass out the spray nozzle 19 under pressure existing as a consequence of the gas propellant. This propellant may be in a partially liquid state as indicated at 30 and a partially gaseous state as indicated at 31. Suflicient pressure is thus maintained by using a propellant such as Freon or an equivalent liquid with a low boiling point. The screen 27 will prevent any fragments of the container from passing up the tube 16.
Normally, the operator will use up the entire contents during a single painting or spraying operation, the can then simply being thrown away.
While the secondary container has been described as glass, any frangible material such as a ceramic could be employed.
From the foregoing description it will be evident that the present invention has provided a greatly improved spray device particularly well suited for resin-type sprays wherein two different chemicals must be maintained in a separated condition until just prior to use. A very economical and efficient spraying means is thus provided with the advantage of not having to modify the conventional spray can construction.
What I claim is:
l. A portable spray means for dual liquids comprising, in combination: an elongated cylindrical can; an elongated cylindrical secondary container of frangible material positioned in the interior of said can with its longitudinal axis running substantially longitudinally in said can; a weight in said secondary container of mass such that one end of said container can be shattered upon impact by said weight; spray means on said can including an elongated tube passing into said can and extending downwardly therein, said secondary container including a catalyst and said can containing a resinous liquid and gas propellant to be mixed with said catalyst, whereby shaking of said can back and forth generally in the longitudinal direction of the can causes said weight to shatter said secondary container and place said catalyst into communication with said resinous liquid and gas propellant; and a screen at the inner end of said elongated tube for blocking any fragments of said secondary container from passing up through said tube during a spray operation.

Claims (1)

1. A portable spray means for dual liquids comprising, in combination: an elongated cylindrical can; an elongated cylindrical secondary container of frangible material positioned in the interior of said can with its longitudinal axis running substantially longitudinally in said can; a weight in said secondary container of mass such that one end of said container can be shattered upon impact by said weight; spray means on said can including an elongated tube passing into said can and extending downwardly therein, said secondary container including a catalyst and said can containing a resinous liquid and gas propellant to be mixed with said catalyst, whereby shaking of said can back and forth generally in the longitudinal direction of the can causes said weight to shatter said secondary container and place said catalyst into communication with said resinous liquid and gas propellant; and a screen at the inner end of said elongated tube for blocking any fragments of said secondary container from passing up through said tube during a spray operation.
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773264A (en) * 1972-10-24 1973-11-20 P Cronan Pressure actuated trigger assembly for mixing dual liquids
US3813534A (en) * 1973-09-14 1974-05-28 Us Navy Chemical lighting device having interlocking ampoules
US4121772A (en) * 1977-08-17 1978-10-24 Rubin Mandrell Portable spray can for dual liquids
US4893730A (en) * 1988-07-01 1990-01-16 Bolduc Lee R Aerosol dispenser for dual liquids
US4941615A (en) * 1988-10-03 1990-07-17 Bolduc Lee R Aerosol dispenser
US4979638A (en) * 1987-05-14 1990-12-25 Bolduc Lee R Aerosol dispenser with sealed actuator
US5012978A (en) * 1988-10-03 1991-05-07 Bolduc Lee R Aerosol dispenser and method
US5018643A (en) * 1987-05-14 1991-05-28 Bolduc Lee R Aerosol dispenser with sealed actuator and aerosol dispensing method
US5052585A (en) * 1988-10-24 1991-10-01 Bolduc Lee R Dispenser
US5064121A (en) * 1988-10-03 1991-11-12 Bolduc Lee R Dispenser
US5154320A (en) * 1985-12-23 1992-10-13 Tri-Point Medical L.P. Aerosol spray system
US5582957A (en) * 1995-03-28 1996-12-10 Eastman Kodak Company Resuspension optimization for photographic nanosuspensions
DE102006028170A1 (en) * 2006-06-16 2007-12-20 Progression Licensing Ag Spray can for repairing damaged motor vehicle lacquer, has opening unit assigned to container, where opening unit breaks or destroys container during agitating process for discharging substance
US20220009697A1 (en) * 2020-07-10 2022-01-13 o6 Innovations Inc. Multi-compartment beverage container for dispensing a mixed beverage

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US489767A (en) * 1893-01-10 Lamp and manufacturing co
US1427922A (en) * 1921-09-21 1922-09-05 Louis L Tiffany Viscosimeter
GB252952A (en) * 1925-09-21 1926-06-10 Forbes Manson Improvements in apparatus for containing and ejecting volatile liquids used for fireextinguishing, refrigerating, disinfecting, cleansing, insect destroying and other purposes
FR849006A (en) * 1939-01-17 1939-11-13 Improvements to saturators for siphons and all other receptacles
US3065918A (en) * 1959-11-03 1962-11-27 Stewart Warner Corp High pressure paint spray gun
US3255924A (en) * 1964-04-08 1966-06-14 Modern Lab Inc Pressurized dispensing device
US3339802A (en) * 1965-03-16 1967-09-05 Alberto Culver Co Pressurized dispensing device
US3422992A (en) * 1966-12-14 1969-01-21 William R Brooks Dispensing container

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US489767A (en) * 1893-01-10 Lamp and manufacturing co
US1427922A (en) * 1921-09-21 1922-09-05 Louis L Tiffany Viscosimeter
GB252952A (en) * 1925-09-21 1926-06-10 Forbes Manson Improvements in apparatus for containing and ejecting volatile liquids used for fireextinguishing, refrigerating, disinfecting, cleansing, insect destroying and other purposes
FR849006A (en) * 1939-01-17 1939-11-13 Improvements to saturators for siphons and all other receptacles
US3065918A (en) * 1959-11-03 1962-11-27 Stewart Warner Corp High pressure paint spray gun
US3255924A (en) * 1964-04-08 1966-06-14 Modern Lab Inc Pressurized dispensing device
US3339802A (en) * 1965-03-16 1967-09-05 Alberto Culver Co Pressurized dispensing device
US3422992A (en) * 1966-12-14 1969-01-21 William R Brooks Dispensing container

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3773264A (en) * 1972-10-24 1973-11-20 P Cronan Pressure actuated trigger assembly for mixing dual liquids
US3813534A (en) * 1973-09-14 1974-05-28 Us Navy Chemical lighting device having interlocking ampoules
US4121772A (en) * 1977-08-17 1978-10-24 Rubin Mandrell Portable spray can for dual liquids
US5154320A (en) * 1985-12-23 1992-10-13 Tri-Point Medical L.P. Aerosol spray system
US5018643A (en) * 1987-05-14 1991-05-28 Bolduc Lee R Aerosol dispenser with sealed actuator and aerosol dispensing method
US4979638A (en) * 1987-05-14 1990-12-25 Bolduc Lee R Aerosol dispenser with sealed actuator
US4893730A (en) * 1988-07-01 1990-01-16 Bolduc Lee R Aerosol dispenser for dual liquids
US5012978A (en) * 1988-10-03 1991-05-07 Bolduc Lee R Aerosol dispenser and method
US5064121A (en) * 1988-10-03 1991-11-12 Bolduc Lee R Dispenser
US4941615A (en) * 1988-10-03 1990-07-17 Bolduc Lee R Aerosol dispenser
US5052585A (en) * 1988-10-24 1991-10-01 Bolduc Lee R Dispenser
US5582957A (en) * 1995-03-28 1996-12-10 Eastman Kodak Company Resuspension optimization for photographic nanosuspensions
DE102006028170A1 (en) * 2006-06-16 2007-12-20 Progression Licensing Ag Spray can for repairing damaged motor vehicle lacquer, has opening unit assigned to container, where opening unit breaks or destroys container during agitating process for discharging substance
US20220009697A1 (en) * 2020-07-10 2022-01-13 o6 Innovations Inc. Multi-compartment beverage container for dispensing a mixed beverage
US11905097B2 (en) * 2020-07-10 2024-02-20 o6 Innovations Inc. Multi-compartment beverage container for dispensing a mixed beverage

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