US3558063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray nozzle
Assignee: Individual
•
Filing: 1968-09-24
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Granted: 1971-01-26
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Expires: 1988-09-24
Abstract
Abstract A nozzle for mixing a stream of pressurized viscous material, such as cold liquid asphalt, with pressurized air and thereby discharging the viscous liquid material in a fine spray for coating a surface such as the roof of a building.
Inventors
- 👤 Myron F Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 04:28
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/02; B05B7/04; B05B7/0416; B05B7/0441; B05B7/0458; B05B7/0475; B05B7/0491; B05B7/24; B05B7/26; B05B7/28; B05B7/32; E; E04; E04D; E04D15/00; E04D15/07
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
341 words
A nozzle for mixing a stream of pressurized gas with a stream of pressurized liquid and discharging the mixture, comprising: rigid body means having a first passageway extending therethrough, the rear end of said first passageway being connectable to a source of liquid under pressure, said first passageway having inlet and outlet portions disposed at angles to each other, the front part of said outlet portion being defined by tubular means; wall means defining passage means in said body means spaced radially from said first passageway near the front end thereof, said passage means being annular and concentrically encircling said tubular means; means defining at least one opening communicating between said first passageway and said passage means adjacent said front end of said first passageway; wall means defining a second passageway in said body means communicating at one end of said passage means and connectable at its other end to a source of pressurized gas, said second passageway being substantially parallel with and spaced from the inlet portion of said first passageway; said body means including a main body part containing the inlet portion of said first passageway, the rear part of the outlet portion of said first passageway, the second passageway and a recess defining the rear end of said passage means, said rear part of said outlet portion of said first passageway being of lesser diameter than the diameter of the adjacent end of said recess; a cylindrical part firmly and partially received into said recess and having a coaxial opening defining the outer limits of the front end of said passage means; said tubular means being in liquidtight engagement at its front end with said cylindrical part and at its rear end with the walls defining said rear part of said outlet portion of said first passageway; and whereby the gas moves through the second passageway and through said passage means and through said opening and mixes with the liquid contained in said first passageway, the liquid-air mixture being discharged through the front end of said first passageway.
Claim 2
Dependent Claim
341 words
A nozzle for mixing a stream of pressurized gas with a stream of pressurized liquid and discharging the mixture, comprising: rigid body means having a first passageway extending therethrough, the rear end of said first passageway being connectable to a source of liquid under pressure, said first passageway having inlet and outlet portions disposed at angles to each other, the front part of said outlet portion being defined by tubular means; wall means defining passage means in said body means spaced radially from said first passageway near the front end thereof, said passage means being annular and concentrically encircling said tubular means; means defining at least one opening communicating between said first passageway and said passage means adjacent said front end of said first passageway; wall means defining a second passageway in said body means communicating at one end of said passage means and connectable at its other end to a source of pressurized gas, said second passageway being substantially parallel with and spaced from the inlet portion of said first passageway; said body means including a main body part containing the inlet portion of said first passageway, the rear part of the outlet portion of said first passageway, the second passageway and a recess defining the rear end of said passage means, said rear part of said outlet portion of said first passageway being of lesser diameter than the diameter of the adjacent end of said recess; a cylindrical part firmly and partially received into said recess and having a coaxial opening defining the outer limits of the front end of said passage means; said tubular means being in liquidtight engagement at its front end with said cylindrical part and at its rear end with the walls defining said rear part of said outlet portion of said first passageway; and whereby the gas moves through the second passageway and through said passage means and through said opening and mixes with the liquid contained in said first passageway, the liquid-air mixture being discharged through the front end of said first passageway.
Claim 3
Dependent Claim
25 words
A nozzle according to claim 1, wherein said cylindrical part and said tubular means are threadedly connected to and readily separable from said main part.
Claim 4
Dependent Claim
267 words
A nozzle structure for mixing a stream of pressurized fluid, particularly gas, with a stream of pressurized liquid and for discharging the resulting mixture, comprising: rigid body means having a first passageway extending therethrough, said first passageway having inlet and discharge openings adjacent the opposite ends thereof, said inlet opening being connectable to a source of a first pressurized fluid; wall means defining a second passageway in said body means spaced radially from said first passageway near the front end thereof; wall mean means defining a third passageway in said body means and communicating at one end thereof with said second passageway and connectable at its other end to a source of a second pressurized fluid; said third passageway being connected to said second passageway substantially adjacent one end of said second passageway, the other end of said second passageway being closed; and means defining a small opening means for providing the sole communication between said first and second passageways, said opening means being disposed closely adjacent said discharge opening and being spaced slightly rearwardly therefrom for providing communication between the forward portion of said first passageway and the forward end of said second passageway, whereby all of the second pressurized fluid supplied to said second passageway must flow through said Opening means so as to mix with the first pressurized fluid in said first passageway prior to discharge of said mixture through said discharge opening, the mixture of said fluids taking place directly adjacent said discharge opening for creating an effective turbulence at the discharge opening so as to effectively separate the liquid into individual particles.
Claim 5
Dependent Claim
267 words
A nozzle structure for mixing a stream of pressurized fluid, particularly gas, with a stream of pressurized liquid and for discharging the resulting mixture, comprising: rigid body means having a first passageway extending therethrough, said first passageway having inlet and discharge openings adjacent the opposite ends thereof, said inlet opening being connectable to a source of a first pressurized fluid; wall means defining a second passageway in said body means spaced radially from said first passageway near the front end thereof; wall mean means defining a third passageway in said body means and communicating at one end thereof with said second passageway and connectable at its other end to a source of a second pressurized fluid; said third passageway being connected to said second passageway substantially adjacent one end of said second passageway, the other end of said second passageway being closed; and means defining a small opening means for providing the sole communication between said first and second passageways, said opening means being disposed closely adjacent said discharge opening and being spaced slightly rearwardly therefrom for providing communication between the forward portion of said first passageway and the forward end of said second passageway, whereby all of the second pressurized fluid supplied to said second passageway must flow through said Opening means so as to mix with the first pressurized fluid in said first passageway prior to discharge of said mixture through said discharge opening, the mixture of said fluids taking place directly adjacent said discharge opening for creating an effective turbulence at the discharge opening so as to effectively separate the liquid into individual particles.
Claim 6
Dependent Claim
143 words
A nozzle structure according to claim 3, wherein said body means includes a first tubular portion having an opening therein defining the outlet portion of said first passageway, said body means further including a second tubular portion disposed in surrounding relationship to said first tubular portion and radially spaced therefrom so as to define an annular space disposed in concentric encircling relationship to said first tubular portion, said annular space constituting said second passageway, the forward ends of said first and second tubular portions being disposed in fluidtight sealing engagement with one another for closing the forward end of said second passageway, and said opening means including at least one small opening extending radially through the wall of said first tubular portion closely adjacent the forward end thereof for permitting the second fluid to flow from said second passageway into said first passageway.
Claim 7
Dependent Claim
211 words
A nozzle structure according to claim 3, wherein said body means includes a main body part having an inlet portion of said first passageway formed therein; said main body part further having a tubular portion fixedly secured thereto with the open interior of said tubular portion defining the outlet portion of said first passageway; said body means further including a removable end member fixedly secured to the forward end of said me main body part, said end member being disposed in surrounding relationship to the forward end of said tubular portion, said tubular portion and said end member having opposed walls spaced from one another so as to define said second passageway therebetween, said third passageway being formed in said main body part and being in communication with said second passageway; said end member and said tubular portion each having walls thereon adjacent the forward ends thereof with said walls being disposed in fluidtight sealing engagement with one another for effectively closing the forward end of said second passageway, said opening means including at least one small opening extending radially through the wall of said tubular portion directly adjacent the discharge end thereof for providing communication from said second passageway directly into said first passageway substantially adjacent the discharge end thereof.
Claim 8
Dependent Claim
116 words
A nozzle structure according to claim 5, wherein said end member comprises a hollow cylindrical part disposed in surrounding relationship to the forwardmost end of said tubular portion, said cylindrical part having the rearward end thereof fixedly connected to said main body part, the other end of said cylindrical part having cylindrical wall means disposed in surrounding relationship to and closely adjacent the forward end of said tubular portion, said cylindrical wall means having said discharge opening formed therein, and said cylindrical wall means and the forward end of said tubular portion each having annular surfaces disposed in fluidtight sealing engagement with one another when the cylindrical part is fixedly secured to the main body part.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |