US1693230A - Road-oil-spraying nozzle - Google Patents
Road-oil-spraying nozzle Download PDFInfo
- Publication number
- US1693230A US1693230A US277898A US27789828A US1693230A US 1693230 A US1693230 A US 1693230A US 277898 A US277898 A US 277898A US 27789828 A US27789828 A US 27789828A US 1693230 A US1693230 A US 1693230A
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- US
- United States
- Prior art keywords
- road
- nozzle
- oil
- nozzles
- aperture
- 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.)
- Expired - Lifetime
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
- E01C19/17—Application by spraying or throwing
- E01C19/176—Spraying or throwing elements, e.g. nozzles; Arrangement thereof or supporting structures therefor, e.g. spray-bars
Definitions
- This invention relates to road oil spraying' nozzles such as are used in connection with road spraying machines using hot asphalt or the like.
- road oil spraying' nozzles such as are used in connection with road spraying machines using hot asphalt or the like.
- the design of the nozzles that project the liquid on to the road surface is one of the important factors that determine whether the machine is commercially efiicient or not.
- the nozzles must deliver' transverse to the road a sheet of spray which, at the line where it strikes the road surface, ⁇ is quite uniform in quantity throughout the whole length of that line, so that in travelling they leave no heavy'streaks lengthwise of the road. This equality must persist throughout the variation in height caused by the unloading of the vehicle.
- the aperture must be so placed that the drainage subsequent to spraying will not accumulate and solidify in the aperture.
- a hinge projection on the top of the conduit 6 is shown at 8 for carrying the nozzle cover 9,'the latter is flat on its inner side and may be closed tightly against'the corresponding fiat portion of the annular seat 10A around the aperture 7.
- the rim of the aperture is elongated to an approximately eggshaped outline at its lower side to form the nozzle orifice as at 11, this elongation having an angular face 12, the latter being channelled at 13 angularly to itsangular face 12.
- the method I adopt for forming the nozzle orifice is highly important because the desi gn lends itself to aiccurate milling and gauging operations, and ⁇ is of such a form that by altering the angle of the face 12 or the form of that part of the nozzle face which is ⁇ cut. away to leave the spray aperture 13, the
- This accuratercontrol of distribution makes it possible to increase the height of the nozzles from the road, thereby covering a wider stretch of road surface per nozzle and so reducing the number of them.
- a nozzle''or a road oil spraying machine comprising', a body member of the nature of a pipe coupling, the body of the said member bcingextended on one. side. to form a projection in the nature of an .olset elbow the axis'oi' which is right angular to the axis of the said pipe coupling, the external faux of t-he said elbow-like projection being partially closable by a flat Jfaced cover, a cove-r adapted to the said orilice and means for clamping it to the said projection, the rim of the said orifice being elongated to an approximately egg-shaped form, the said elongation being-cut away to form a facet which is angular to the face of the said rim, a
- a nozzle for a road spraying machine comprising, a body member ofthe nature of a pipe coupling, the body of the said member being extended on one side and intermediately of the ends to 'r'orm a projection of the nature of an offset elbow the axis of the orilice and body of which is right angular'to the axis of the said coupling-like member, a relatively large orifice in the end of the said projection, the said lofl'set being such that the inner edge of the said orifice is approximately (3o-incident with the peripheral line of the pipe used in connection with the said coupling-like member, a coverhingeable on the said projection and adapted to partially close the said perennial, means for clamping the said cover to the said member, the rim ci' the said orifice Lbeing elongatedto an approximately egg-shaped form, the smaller' part of the said elongation being cut away to form a facet which is angular to the face of the saidorim and to the inner face
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Nozzles (AREA)
- Road Paving Machines (AREA)
Description
Nov. 27, 1928. 1,693,230
s. s. G|RL|NG ROAD OIL SPRAYING NozzLf:V
Filed May l5, 1928 /nvenir 'orney Patented Nov. 27, 1928.
SIDNEY SAMUEL GIRLING, or sAANICH, BRITISH COLUMBIA, crimine.v
ROAD-OIL-SPRAYG NOZZ'LE.
Appiication filed May i5,k 192s, serial No. 277,898, and iii canada ein 19:27'A
This invention relates to road oil spraying' nozzles such as are used in connection with road spraying machines using hot asphalt or the like. In all such machines using s in a hot and fluid condition those heavier grades of asphalt or coal tar that arel semisolid or solid when cold, the design of the nozzles that project the liquid on to the road surface, is one of the important factors that determine whether the machine is commercially efiicient or not. l
The objects of the invention may be stated as follows: the nozzles must deliver' transverse to the road a sheet of spray which, at the line where it strikes the road surface, `is quite uniform in quantity throughout the whole length of that line, so that in travelling they leave no heavy'streaks lengthwise of the road. This equality must persist throughout the variation in height caused by the unloading of the vehicle.
They must have a large aperture to decrease the risk of its blocking, to meet this condition the number of nozzles necessary J must be a minimum and the performance of each must meet this condition.
In the event of a foreign body lodging in the aperture there must be means provided to remove it. Y
The aperture must be so placed that the drainage subsequent to spraying will not accumulate and solidify in the aperture.
Since a slight variation in the form of the aperture will affect the distribution of the liquid, the design must admit of accurate machining operations which will produce uniform results in a number of nozzles.
Each of these objects is attained by my invention which is fully described in the speciiication following, reference being made to the drawings herewith which form part of this application, and in which 1 is a transverse section through the centre of the nozzle, Fig. 2 is a front elevation shoving the cover pulled Wide open, Fig. 3 is a side elevation, and Fig. 4; a plan View.
Taking the drawings in detail and noting that similar numerals in the different views conveying the hot asphalt. This is important because then any Vaccemulation of asphalt remaining after the lusual blowing out will lie along the lower part ot' the pipes, leaving the upper part and the nozzles clear.
A hinge projection on the top of the conduit 6 is shown at 8 for carrying the nozzle cover 9,'the latter is flat on its inner side and may be closed tightly against'the corresponding fiat portion of the annular seat 10A around the aperture 7. The rim of the aperture is elongated to an approximately eggshaped outline at its lower side to form the nozzle orifice as at 11, this elongation having an angular face 12, the latter being channelled at 13 angularly to itsangular face 12.
The method I adopt for forming the nozzle orifice is highly important because the desi gn lends itself to aiccurate milling and gauging operations, and `is of such a form that by altering the angle of the face 12 or the form of that part of the nozzle face which is `cut. away to leave the spray aperture 13, the
distribution of the liquid in the spray from any one nozzle can be fully controlled. This control is effected by throwing the liquid more or less to the centre or outer edges of that spray as may be required tov cause the sum of the nozzles on the machine to cast a uniform coat on the road. Also the width of the individual spray at the line where it strikesthe road surface, may be increased or diminished by the same means. The correct form of this face is arrived atby experiment and once found is easily reproduced in all subsequent nozzles.
This accuratercontrol of distribution makes it possible to increase the height of the nozzles from the road, thereby covering a wider stretch of road surface per nozzle and so reducing the number of them.
In machines where this ready means of modification does not exist it is usual to decrease the spread of spray and the height Vseat by the U-shaped link 14 Which engagesV llbh the rear of the conduit 6 by the set screw 15, this cover is quickly released and turned out of the way leaving the nozzle aperture and all adjacent parts fully exposed, so that any obstructionsvmay be immediately removed or if stuck in the nozzle itself allowed to fall out. The spray produced by my no-zzle is sector shaped in outline as indicated by the dot and dashy lines at 16 in Fig.` 4.
Having now fully described the nature of this my said invention and the manner of performing the same, I declare that what I claim as mine and desire to secure by Letters Patent, is: y
l. A nozzle''or a road oil spraying machine comprising', a body member of the nature of a pipe coupling, the body of the said member bcingextended on one. side. to form a projection in the nature of an .olset elbow the axis'oi' which is right angular to the axis of the said pipe coupling, the external orice of t-he said elbow-like projection being partially closable by a flat Jfaced cover, a cove-r adapted to the said orilice and means for clamping it to the said projection, the rim of the said orifice being elongated to an approximately egg-shaped form, the said elongation being-cut away to form a facet which is angular to the face of the said rim, a
curved channel in said facet communicating with said orifice.
A2. A nozzle for a road spraying machine comprising, a body member ofthe nature of a pipe coupling, the body of the said member being extended on one side and intermediately of the ends to 'r'orm a projection of the nature of an offset elbow the axis of the orilice and body of which is right angular'to the axis of the said coupling-like member, a relatively large orifice in the end of the said projection, the said lofl'set being such that the inner edge of the said orifice is approximately (3o-incident with the peripheral line of the pipe used in connection with the said coupling-like member, a coverhingeable on the said projection and adapted to partially close the said orice, means for clamping the said cover to the said member, the rim ci' the said orifice Lbeing elongatedto an approximately egg-shaped form, the smaller' part of the said elongation being cut away to form a facet which is angular to the face of the saidorim and to the inner face of the said cover when closed, a curved channel in said angular facet communicating with said oriice. Y
SIDNEY S.. GIRLING.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA1693230X | 1927-04-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1693230A true US1693230A (en) | 1928-11-27 |
Family
ID=4173992
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US277898A Expired - Lifetime US1693230A (en) | 1927-04-08 | 1928-05-15 | Road-oil-spraying nozzle |
Country Status (1)
Country | Link |
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US (1) | US1693230A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2780494A (en) * | 1949-10-28 | 1957-02-05 | Ltg Lufttechnische Gmbh | Device for atomizing fluids |
US3066871A (en) * | 1961-08-18 | 1962-12-04 | American Well Works | Self-adjusting variable orifice spray nozzle |
US3066870A (en) * | 1959-10-05 | 1962-12-04 | Edwin E Hanson | Spray nozzle |
US3257079A (en) * | 1964-07-06 | 1966-06-21 | Amcodyne & Co | Spray nozzle |
-
1928
- 1928-05-15 US US277898A patent/US1693230A/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2780494A (en) * | 1949-10-28 | 1957-02-05 | Ltg Lufttechnische Gmbh | Device for atomizing fluids |
US3066870A (en) * | 1959-10-05 | 1962-12-04 | Edwin E Hanson | Spray nozzle |
US3066871A (en) * | 1961-08-18 | 1962-12-04 | American Well Works | Self-adjusting variable orifice spray nozzle |
US3257079A (en) * | 1964-07-06 | 1966-06-21 | Amcodyne & Co | Spray nozzle |
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