US1889132A - Multiple blast nozzle - Google Patents
Multiple blast nozzle Download PDFInfo
- Publication number
- US1889132A US1889132A US456338A US45633830A US1889132A US 1889132 A US1889132 A US 1889132A US 456338 A US456338 A US 456338A US 45633830 A US45633830 A US 45633830A US 1889132 A US1889132 A US 1889132A
- Authority
- US
- United States
- Prior art keywords
- conduit
- nozzles
- abrasive
- main
- blast
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
Definitions
- At'mnl-tipl noz zle sand blast g-un is -prcvidedcomprisingiamain; conduit which directly supports the severalnozz-les and at second or auxiliary con 1 duitormanito'ld;
- a sonrce of abrasive ' such as sa iid and carryinge fluid such: asairis: connected to the main conduit and source of -clean fluid f is connected to the auxiliary conduit.
- a plurality otconnectiirgcondhits connect the main and anxi-l i ary conduits,
- The" invention also consists in certeih new and original features of" construction andt combihetions "of parts hereinafter set fo'rth and claimed.
- Figs. 3 and 4 are longitudinwl secti'ons tajk' on through the ends of' the main cond'nit;
- Fig.1 5- is a," View illustratin arsl'i'g htl y modifiddorm of: mitl-tiple gnnw In the following names for convenience; but they are intend? ed to b8-&S generic in th'eir: applicationto similar parts as the art will? permit;
- 'Retfierring now to the*- drawing; and 'moregun comprises a' straight-iine main manifold-'5 ci -conduit 10 supporting a; pluralityot sand blast nozzles 11.
- An auxiliarymeniiol'd or conduit 12* is provided which lrasa supply pipe 13 connected to a; cintintermediatem: plurality of" connecting conduits-*- ends. of smz'vlldiztmeter connect?
- the fitting-- 16 tin-ead ed onto th'e nippl'e '15 and the fitting 1'7"is provided forconnectingthe nozzle" ti'pfl muy be in the form ofw suitable pipe itsand suitable abrasive, such as sand. will be connected to the fitting 21, the air being under pressure and carrying along the sand in suspension. A suitable source of clean air alone will be connected to the supply pipe 13. It will be noted that the mixture of sand and air fed to the fitting 21 is mixed or carburetted before delivery thereto.
- Fig. 5-ma'y the modified form shown in Fig. 5-ma'y be used.
- This forma pipe for supplying clean air is denoted by 33, the auxiliary manifold by 32, main manifold by 30, connecting conduits by 34 and nozzles by 31.
- the connecting conduits 34 are displaced from the axes of the nozzles 31 in a direction toward the supply end of the conduit 30 to which the mixture of air andabrasive is supplied.
- the auxiliary conduit or booster line on the back of the main nozzle manifold assists ma.
- the booster connections increase the velocity through the orifices of the nozzles, thus building up the efficiency of the blast. The expansion of the, air as it leaves the nozzle orifices is increased by the use of the booster and thus the blast is intensified and greater velocity is imparted to the sand particles.
- Some variation in the position of the connecting booster conduits with respect to the axes of the nozzles may be permitted, and in fact may be desirable on smaller diameter manifolds in which the velocity of the current of abrasive laden air is greater.
- the blast is sometimes considerably improved by setting the booster off from the center toward the incoming stream as explained above in connection with Fig. 5.
- the booster connections may be placed directly over the center.
- the multiple nozzle gun may be stationary and the work which is indicated by 22, Fig. 1, may be movable or vice versa.
- Fig. 1 the workis indicated as being in the form ofa flat sheet and the blast of abrasive is illustrated as impinging upon the sheet and spreading out as it hits the sheet, exerting a cleaning action on it;
- the multiple nozzle manifold may be disposed in a vertical position or a horizontal position, or in fact any desired position, and that other kinds of work, such as pipes, may be subjected to the action of the gun and scrubbed and cleaned thereby.
- a main conduit for supplying a carburetted mixture of abrasive and a carrying fluid, a nozzle projecting laterally from main conduit and an auxiliary conduit connected to said main conduit for supplying an auxiliary fluid to said nozzle, said auxiliary conduit being substantially in line with said nozzle but ofiset from the axis of said nozzle in a direction opposite to the gireiction of flow of the abrasive and carrying 2
- a multiple abrasive blast gun comprising a main conduit having an inlet opening for a supply of carburetted abrasive and air, an auxiliary conduit alongside said first conduit, a plurality of nozzles spaced along said main conduit and connected thereto, and projecting laterally therefrom, and connecting conduits extending from said auxiliary conduit to said main conduit substantially in line with said nozzles, respectively, said second conduit having an inlet opening for clean air, said connecting conduits being spaced slightly from said nozzles towards the inlet'opening of said said connecting conduits being spaced slightly from said
- a straight line multiple abrasive blast gun comprising a main, straight conduit having an inlet opening at one end for a supply of carburetted abrasive and carrying fluid, an auxiliary straight conduit alongside said first conduit, a plurality of nozzles spaced along the length of said main conduit and connected thereto and projecting laterally therefrom, and connecting conduits extending from said auxiliary conduit to said main .conduit substantially in line with said nozint zles, respectively, said auxiliary conduit having an inlet opening midway its length for clean fluid, said connecting conduits being spaced slightly from said nozzles towards the inlet opening of said main conduit.
Description
Nov. 29, 1932. D. PEIK MULTIPLE BLAST NdzzLE Filed May 28, 1950 vwemtoz L 01423 2. P9175 8% whw" Patented Nov. 29, 1932 LOUIS D; PEIK, OE 'MISBEAWAKA; IN'DINA, A$SIGINTOR TO-THE3AMERIGAN' EDITH-DRY.
EQUIPMENT COMB-ANY, on NEW "YORK,
1\L1;Y.',-, A= CORPORATION-'01 DELAWARE:
The inventionrelaztcs tothe art of "sand I blasting or SCIIibbi-Hg rough: stirieced ob- I jects such 'as castin gs, sheet meta;1a;nd the-= like.
According to the in vention at'mnl-tipl noz zle sand blast g-un is -prcvidedcomprisingiamain; conduit which directly supports the severalnozz-les and at second or auxiliary con 1 duitormanito'ld; A sonrce of abrasive 'such as sa iid and carryinge fluid such: asairis: connected to the main conduit and source of -clean fluid f is connected to the auxiliary conduit. A plurality otconnectiirgcondhitsconnect the main and anxi-l i ary conduits,
these condhits bein substantially in" line Withthe'seve-rzil nozzles; Ifd'esi'red; the' mixture of air and abr'a 'si've may besnpphed to. one end of the mwincondnit and" theclea n aironly may be supplied to the auxiliary conduit at'wpointintermeditte the ends Insome cases-"it" may be desim-lcle to o-fiset the connecting condnits'sli ghtl y"fronithe center lines of the nozzles 1 m direction-contrary 6 the direction offlow 0f 'thenit :ain-d atmsi-ve in order to improve the blast and to preventund 'ue Wear'on the maniield garts; Theprm Vision oiftheauxiliary claniairf serves to boost the blast o f a'hras'ivewhi'ch normal-1y would'issue from the nozzles creating o more" equally distributing-the blasts from the sew era-l nozzl'es oft-he'- manifold.
The" invention also consists in certeih new and original features of" construction andt combihetions "of parts hereinafter set fo'rth and claimed.
Although the novel' features which are be-l lieved to 'be characteristic 015 "this invention-l wilLbe pairticula'rl y pjoi'ritedcutinqthe cla'ims appendedhiereto, the invention itseH,;;as to its: objects; and adt'antages, the mode oi its'; operation and the/manner of its! or gg'miz'w tion. maybe better understood by referring to the following; description taken in 1 con-I;
nection with the accompanying drawing forming; a 'part. thereof, .in which- Fign 1 is a v-iew of one'a'form of (multiple; abrasive: blast m acconding: to the: inwem' 1930-. seri'ar norcseassa V Figfi-EZ is a sectionon the line 2--2' of Fig; I
Figs. 3 and 4 are longitudinwl secti'ons tajk' on through the ends of' the main cond'nit; and
Fig.1 5- is a," View illustratin arsl'i'g htl y modifiddorm of: mitl-tiple gnnw In the following names for convenience; but they are intend? ed to b8-&S generic in th'eir: applicationto similar parts as the art will? permit;
Iiik'e reterence characters denote like parts in -the several figures 'o=f"t1='1e* drawing.
In the drawing accompanying and form* ing pal'rt 'ozfi this specifi cation, practical cominerci il embodiments of the invention are- Show hutas such il l'nstratijons' are primri ly tor purposes-of disclosure,it-WiIQ-Heun derst'ood that th'e -'strnc ture may be modified in; various rcspects without departure from the-'bfload' spirit and scope of the inventien as-hereiinaftec defined and claimed;
' Retfierring now to the*- drawing; and 'moregun comprises a' straight-iine main manifold-'5 ci -conduit 10 supporting a; pluralityot sand blast nozzles 11. An auxiliarymeniiol'd or conduit 12* is provided which lrasa supply pipe 13 connected to a; cintintermediatem: plurality of" connecting conduits-*- ends. of smz'vlldiztmeter connect? the aruxil iary con duit" 1 2 and main condn-it' 10 and' ar'e in -suh sta ntial al-i-gninent Withthe' axes oii'the nozzles li es r Eheconnecting conduits "1-4? may he= snit= ably' connected to "the" condirits 10 and 1E2 by a Welding process and the nipple 15? may also-be"connected'ito -the conduit 10' by a suitable" -We1-d-ing process. The fitting-- 16 tin-ead ed onto th'e nippl'e '15 and the fitting 1'7"is provided forconnectingthe nozzle" ti'pfl muy be in the form ofw suitable pipe itsand suitable abrasive, such as sand. will be connected to the fitting 21, the air being under pressure and carrying along the sand in suspension. A suitable source of clean air alone will be connected to the supply pipe 13. It will be noted that the mixture of sand and air fed to the fitting 21 is mixed or carburetted before delivery thereto.
If desired, the modified form shown in Fig. 5-ma'y be used. Inthis forma pipe for supplying clean air is denoted by 33, the auxiliary manifold by 32, main manifold by 30, connecting conduits by 34 and nozzles by 31. As shown, the connecting conduits 34 are displaced from the axes of the nozzles 31 in a direction toward the supply end of the conduit 30 to which the mixture of air andabrasive is supplied.
The auxiliary conduit or booster line on the back of the main nozzle manifold assists ma.
terially indistributing the abrasive equally among the several nozzles. Without the booster connections it has been discovered that the nozzles furthest from the inlet side of the manifold eject considerably more sand than .the nozzles near the entrance. The auxiliary supply of clean air through the booster connections. seems to equalize the pressure within the main manifold and counteract the incoming abrasive laden air currents to a certain extent, in such manner as to create a condition of balancing saturation of sand by which equal blasting is obtained from the several nozzles. In addition to assisting in the equal distribution of abrasive from the several nozzles, the booster connections increase the velocity through the orifices of the nozzles, thus building up the efficiency of the blast. The expansion of the, air as it leaves the nozzle orifices is increased by the use of the booster and thus the blast is intensified and greater velocity is imparted to the sand particles. v
Some variation in the position of the connecting booster conduits with respect to the axes of the nozzles may be permitted, and in fact may be desirable on smaller diameter manifolds in which the velocity of the current of abrasive laden air is greater. The blast is sometimes considerably improved by setting the booster off from the center toward the incoming stream as explained above in connection with Fig. 5. On larger sizes of manifolds where-the velocity of the incoming blast of sand laden air is slower, the booster connections may be placed directly over the center. If the position of the connecting booster conduits with respect to the axes of the nozzles is not proper, holes may eventually be blown through the main manifold at the connection of the nozzles thereto due to the scrubbing or abrasive action of the sand on the metal of the manifold itself.
It will be understood that the sizes and diameters of the various conduits and pipes must be proper and in proper relation to the pressures used in order to obtain maximum efiiciency. For instance, if the connecting conduits 14 and 3 are too large or if the pres sure of the auxiliary air supply is too high, this may have the detrimental effect of backing up the sand flow in the main conduit.
In use, the multiple nozzle gun may be stationary and the work which is indicated by 22, Fig. 1, may be movable or vice versa. In Fig. 1 the workis indicated as being in the form ofa flat sheet and the blast of abrasive is illustrated as impinging upon the sheet and spreading out as it hits the sheet, exerting a cleaning action on it; It will be understood that the multiple nozzle manifold may be disposed in a vertical position or a horizontal position, or in fact any desired position, and that other kinds of work, such as pipes, may be subjected to the action of the gun and scrubbed and cleaned thereby.
lVhile certain novel features of the invention have been shown and described and are pointed out in the annexed claims, it will be understood that various omissions, substitu tions and changes may be made by those skilled in the art without departing from the spirit of the invention.
What is claimed is:
p 1. In an abrasive blast gun, a main conduit for supplying a carburetted mixture of abrasive and a carrying fluid, a nozzle projecting laterally from main conduit and an auxiliary conduit connected to said main conduit for supplying an auxiliary fluid to said nozzle, said auxiliary conduit being substantially in line with said nozzle but ofiset from the axis of said nozzle in a direction opposite to the gireiction of flow of the abrasive and carrying 2 A multiple abrasive blast gun comprising a main conduit having an inlet opening for a supply of carburetted abrasive and air, an auxiliary conduit alongside said first conduit, a plurality of nozzles spaced along said main conduit and connected thereto, and projecting laterally therefrom, and connecting conduits extending from said auxiliary conduit to said main conduit substantially in line with said nozzles, respectively, said second conduit having an inlet opening for clean air, said connecting conduits being spaced slightly from said nozzles towards the inlet'opening of said auxiliary conduit.
3. A straight line multiple abrasive blast gun comprising a main, straight conduit having an inlet opening at one end for a supply of carburetted abrasive and carrying fluid, an auxiliary straight conduit alongside said first conduit, a plurality of nozzles spaced along the length of said main conduit and connected thereto and projecting laterally therefrom, and connecting conduits extending from said auxiliary conduit to said main .conduit substantially in line with said nozint zles, respectively, said auxiliary conduit having an inlet opening midway its length for clean fluid, said connecting conduits being spaced slightly from said nozzles towards the inlet opening of said main conduit.
In testimony whereof I have hereunto set my hand.
LOUIS D. PEIK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US456338A US1889132A (en) | 1930-05-28 | 1930-05-28 | Multiple blast nozzle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US456338A US1889132A (en) | 1930-05-28 | 1930-05-28 | Multiple blast nozzle |
Publications (1)
Publication Number | Publication Date |
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US1889132A true US1889132A (en) | 1932-11-29 |
Family
ID=23812351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US456338A Expired - Lifetime US1889132A (en) | 1930-05-28 | 1930-05-28 | Multiple blast nozzle |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724928A (en) * | 1954-03-23 | 1955-11-29 | Wyatt S Kirkland | Double sand blasting nozzle |
US3554164A (en) * | 1966-07-13 | 1971-01-12 | Binks Mfg Co | Powder spray system |
WO1980001546A1 (en) * | 1979-02-05 | 1980-08-07 | Modern Auto Recycling Techn Co | Power parts washer |
EP3360645A1 (en) * | 2017-02-08 | 2018-08-15 | Vapormatt Limited | Wet blasting machine, blast gun and method of cleaning or preparing surfaces of a product |
US11576592B2 (en) | 2017-01-17 | 2023-02-14 | Oxford University Innovation Limited | Methods and system for characterising tremors |
-
1930
- 1930-05-28 US US456338A patent/US1889132A/en not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2724928A (en) * | 1954-03-23 | 1955-11-29 | Wyatt S Kirkland | Double sand blasting nozzle |
US3554164A (en) * | 1966-07-13 | 1971-01-12 | Binks Mfg Co | Powder spray system |
WO1980001546A1 (en) * | 1979-02-05 | 1980-08-07 | Modern Auto Recycling Techn Co | Power parts washer |
US11576592B2 (en) | 2017-01-17 | 2023-02-14 | Oxford University Innovation Limited | Methods and system for characterising tremors |
EP3360645A1 (en) * | 2017-02-08 | 2018-08-15 | Vapormatt Limited | Wet blasting machine, blast gun and method of cleaning or preparing surfaces of a product |
GB2559732B (en) * | 2017-02-08 | 2022-03-02 | Vapormatt Ltd | Wet blasting machines |
US11565373B2 (en) | 2017-02-08 | 2023-01-31 | Vapormatt Ltd | Wet blasting machines |
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