Claims
- 1. An anti-graffiti aerosol spray can comprising:a) an aerosol spray can comprising: (1) an upper enclosure having an upper opening and an insulated lower opening, wherein to the upper opening is attached a spray head valve support structure having an outer conductive section and an inner insulating section, wherein said spray head valve support structure supports a spray head valve that is externally accessed by a spray head, (2) a lower enclosure having a sealed lower surface and an upper opening that is attached to the insulated lower opening, and b) a spray head valve control assembly located within said aerosol spray can, said assembly having means for being electrically actuated when an electrical current is applied between the outer conductive section on said spray head valve support structure and the upper or lower enclosure, wherein when said spray head valve control assembly is actuated, said spray head valve opens allowing the spray head to be operated which then allows the fluid in the aerosol spray can to be sprayed.
- 2. An anti-graffiti aerosol spray can comprising:a) an aerosol spray can comprising: (1) a spray head valve having a lower fluid port and an upper cavity into which is inserted a spray head, wherein when the spray head is depressed, the spray head valve opens allowing a fluid in said aerosol spray can to be sprayed from the spray head, (2) an upper enclosure having an upper opening and an insulated lower opening, (3) a spray head valve support structure having: (a) an outer conductive section and a bonded inner insulating section, wherein on one side of the inner insulating section is an opening which exposes an area of the outer conductive section, (b) outer ends that are crimped to the upper opening of said upper enclosure, (c) an upward-extending cavity dimensioned to enclose said spray head valve, (4) a lower enclosure having an upper opening that is attached to the insulated lower opening of said upper enclosure and a sealed lower surface having an upper surface and a lower surface, b) a spray head valve control assembly located within said aerosol spray can said assembly comprising: (1) an electrical spray head valve actuator having a non-conductive upper surface, a lower surface, a first electrical input, a second electrical input, a fluid input port and a fluid output port, wherein the fluid output port is connected to the lower fluid port on said spray head valve and the fluid input port is connected to an upper end of a siphon tube, (2) a first compression spring having a sharpened first end and a second end, wherein the sharpened first end is inserted through the opening on said spray head valve support structure to make electrical contact with the outer conductive section of said spray head valve support structure, wherein the second end rests upon the non-conductive upper surface of said actuator and has means for making an electrical contact with the first electrical input on said actuator, (3) a siphon tube having an upper end and a lower end, wherein the upper end is attached to the input port of said actuator and the lower end terminates a distance above the upper surface of the sealed lower end of said lower enclosure, (4) a siphon tube housing constructed of an electrically conductive material and dimensioned to slidably fit over said siphon tube, said siphon tube housing having a flared upper end and a sharpened lower end that makes electrical contact with the upper surface of the sealed lower end of said lower enclosure, (5) a second compression spring having a first end and a second end, wherein the first end interfaces with the lower surface of said actuator and the second end interfaces with the flared upper end of said siphon tube housing, wherein said second compression spring maintains the siphon tube housing biased in a downward direction which forces electrical contact to be made between the lower end of said siphon tube housing and the upper surface of the sealed lower end of said enclosure, and (6) an electrical connection between the siphon tube housing and the second electrical input of said actuator, wherein when an external electrical power source is applied between the upper or lower enclosure and the outer conductive section of said spray head valve support structure an electrical current flows sequentially from the upper or lower enclosure, the sealed lower surface, said siphon tube housing, the second electrical input, the first electrical input, the first compression spring and the outer conductive section of the spray head valve support structure, said actuator is energized causing said spray head valve to open and allow the fluid in the aerosol spray can to be sprayed when the spray head is operated.
- 3. The anti-graffiti aerosol spray can as recited in claim 2 wherein said spray head valve actuator is comprised of a solenoid.
- 4. The anti-graffiti aerosol spray can as recited in claim 2 wherein said spray head valve actuator is comprised of a valve.
- 5. The anti-graffiti aerosol spray can as recited in claim 2 wherein said spray head valve actuator is comprised of a bi-metallic detent structure comprising:a) a compliant pad, b) a diaphragm, c) a bi-metallic assembly comprising an upper element and a lower element wherein the lower element is attached to an electrical heating source, and d) a separator having an upper surface to which is attached the compliant pad and the diaphragm, and a lower section having means for being centrally retained by the bi-metallic assembly, wherein when said electrical power source, which is attached to the first and second electrical inputs, is “on”, the bi-metallic assembly assumes a dished-down position which allows the fluid in said aerosol sprang can to be sprayed, conversely, when the power source is “off”, the bi-metallic assembly cools and assumes a dished-up position, wherein the complaint pad interfaces with and seals the lower fluid port of the spray head valve to prevent any fluid from being sprayed.
- 6. The anti-graffiti aerosol spray can as recited in claim 2 wherein said spray head valve actuator comprises:a) an RF receiver having an output connected across the upper or lower enclosure and the outer conductive section of said spray head valve support structure, and b) a remotely located RF transmitter that is powered by a d-c power supply connected to a 120-vac, 60 Hz utility power, wherein when said RF transmitter is energized an RF signal is transmitted that is received by said RF receiver, wherein when said RF receiver is energized an RF signal produced by the receiver enables said spray head valve actuator is actuated which allows the fluid in said aerosol spray can to be sprayed.
- 7. The anti-graffiti aerosol spray can as recited in claim 2 wherein said external electrical power source provides a low-voltage high-frequency power source.
- 8. The anti-graffiti aerosol spray can as recited in claim 2 wherein said electrical power source supplies 6-volts at a frequency of 1000 Hz.
- 9. The anti-graffiti aerosol spray can as recited in claim 2 wherein said spray head valve control assembly further comprises at least one capacitor connected in series between the first and second electrical inputs on said spray head valve actuator, wherein said at least one capacitor prevents an electrical power source other than said external electrical power source from energizing said actuator.
- 10. An anti-graffiti aerosol spray can comprising:a) an aerosol spray can comprising: (1) a spray head valve having a lower fluid port and an upper cavity into which is inserted a spray head, wherein when the spray head is depressed, the spray head valve opens allowing a fluid in said aerosol spray can to be sprayed from the spray head, (2) an upper enclosure having an upper opening and an insulated lower opening, (3) a spray head valve support structure having: (a) an outer conductive section and a bonded inner insulating section, wherein on one side of the inner insulating section is an opening which exposes an area of the outer conductive section, (b) outer ends that are crimped to the upper opening of said upper enclosure, (c) an upward extending cavity dimensioned to enclose said spray head valve, (4) a lower enclosure having an upper end that is attached to the lower edge of said upper enclosure and a sealed lower end having an upper surface and a lower surface, b) a spray head valve control assembly located within said aerosol spray can, said assembly comprising: (1) a spray head valve actuator having a non-conducting upper surface, a lower surface, a first electrical input, a second electrical input, a fluid input port and a fluid output port, wherein the fluid output port is connected to the lower fluid port on said spray head valve and the fluid input port is connected to an upper end of a siphon tube, (2) an electrical connection between the second electrical input on said spray valve actuator and the upper enclosure and between the first electrical input on said actuator and the opening on said spray head valve support structure, wherein when an external electrical power source is applied between the upper or lower enclosure and the outer conductive section of said spray head valve support structure an electrical current flows sequentially from the upper or lower enclosure, the second electrical input, the first electrical input, a capacitor and through the opening on said spray head valve support structure, said actuator is energized causing said spray head valve to open and allow the fluid in the aerosol spray can to be sprayed when the spray head is operated.
- 11. The anti-graffiti aerosol spray can as recited in claim 10 wherein said spray head valve actuator is comprised of a solenoid.
- 12. The anti-graffiti aerosol spray can as recited in claim 10 wherein said spray head valve actuator is comprised of a valve.
- 13. The anti-graffiti aerosol spray can as recited in claim 10 wherein said spray head valve actuator is comprised of a muscle wire.
- 14. The anti-graffiti aerosol spray can as recited in claim 10 wherein said spray head valve actuator comprises:a) an RF receiver having an output connected across the upper or lower enclosure and the outer conductive section of said spray head valve support structure, and b) a remotely located RF transmitter that is powered by a d-c power supply connected to a 120-vac, 60 Hz utility power, wherein when said RF transmitter is energized an RF signal is transmitted that is received by said RF receiver, wherein when said RF receiver is energized on RF signal produced by the receiver enables said spray valve actuator is actuated which allows the fluid in said aerosol spray can to be sprayed.
- 15. The anti-graffiti aerosol spray can as recited in claim 10 wherein said external electrical power source provides a low-voltage high-frequency power source.
- 16. The anti-graffiti aerosol spray can as recited in claim 10 wherein said electrical power source supplies 6-volts to 12-volts at a frequency of 1000 HZ.
Parent Case Info
This patent application claims the benefit of Provisional Patent Application No. 60/138,556 filed Jun. 11, 1999.
US Referenced Citations (13)
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/138556 |
Jun 1999 |
US |