US584864A - Pneumatic painting-nozzle - Google Patents

Pneumatic painting-nozzle Download PDF

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US584864A
US584864A US584864DA US584864A US 584864 A US584864 A US 584864A US 584864D A US584864D A US 584864DA US 584864 A US584864 A US 584864A
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paint
air
nozzle
pipe
chambers
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    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2435—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together by parallel conduits placed one inside the other
    • B05B7/2437—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle the carried liquid and the main stream of atomising fluid being brought together by parallel conduits placed one inside the other and a secondary stream of atomising fluid being brought together in the container or putting the carried fluid under pressure in the container

Definitions

  • My invention relates to devices known as pneumatic painting-nozzles, by which a spray of paint is caused by means of a jet or jets of compressed air to impinge against the object to be painted; and the object of my invention is to provide certain improvements in devices of this Ycharacter the nature of which will be best understood as described in connection with the drawings in which they are illustrated, and in which- Figure 1 is a side view representing a pneumatic painting-nozzle constructed in accordance with some ofthe particular features of my invention and shown in connection with certain devices for effecting a proper regulation in the supply of air and paint delivered to the nozzle.
  • Fig. 2 is a central longitudinal Section of the nozzle shown in Fig. 1.
  • Fig. 1 is a central longitudinal Section of the nozzle shown in Fig. 1.
  • FIG. 3 is a cross-section through the end of the nozzle, taken as on the line w .v of Fig. 5.
  • Fig. 4 is a cross-section taken on the line y 1/ of Fig. 5, and
  • Fig. 5 is a longitudinal section taken on the line a' .a ot Fig. 2.
  • Figs. (i to 15, inclusive, are views illustrating a somewhat more complicated embodiment of my invention, Figs. 6 and 7 indicating sectional views taken at right angles to each other through the head o1' delivery end of the painting-nozzle.
  • Fig. 8 is a cross-sectional view on the line 1 1 of Fig. 6; Figh 9, a section on the line 2 20E Fig. 6; Fig.
  • Fig. 13 is a perspective View of a casting used in forming the air and paint chambers and designated by the letter J 2.
  • Fig. 14 is a longitudinal section through the rear end of the nozzle indicated in Figs. 6 and 7, and Fig. 15 is a cross-section on the line (5 6 .of Fig. 14.
  • FIG. 1 A and 13, Fig. 1,indicate, respectively, the ⁇ supply-pipes for compressed air and paint.
  • a fiexible diaphragm E is secured across the opening D', and secured to this diaphragm and passing through a hole in the center thereof is a hollow valve-spindle E2, the end E3 of which seats itself on the sides Ei of an opening in the air-pipe.
  • E indicates a stuiing-box for the upper end of the spindle E2; E7, a nut screwing on the threaded lower part of the spindle E2; E8, a spring-abutment. and E a spring situated between the nut E7 and the abutment ES.
  • the device is afamiliar prcssure-regulating valve in kind, and by a proper adjustment of the spring Ef the valve is opened and communication established between the air-pipe and paint-chamber whenever the pressure ill the chamber appears less than a determined ratio to the pressure in the pipe, while on attaining this rat-io the pressure in the receptacle I), acting on the diaphragm E', closes the regulating-valve. ly using this device I securera uniform ratio of pressure iu the airpipe and paint-receptacle and consequently a proper relative supply of air and paint through the pipes A and B.
  • valvestems C which may be said to form a part 0fthe supply-conduits leading to the nozzle.
  • Each of these stems C tits and slides in the outer parts of chambers C, the inner ends of which are secured one to the air-pipe G and As shown, these chambers are formed with an enlargement C2 and with valve-seats C3, upon which the valves proper, C, formed at the ends of the pipes C, can seat themselves, so as to cut off all passage of iluid.
  • C5 ⁇ C5 indicate lateral openings from the hollow spindles C, by which they are placed in connection with the enlargements C2 of the 3o duit enteringat the side of the joint.
  • annular extensions Secured to the outer end of the chambers C are annular extensions (5, upon the threaded outer pcripheries of which screw the heads CT C8, C CJindicating nut secured 5 to the spindles (l, and C10 a spring operating against such nut at one end and against a shoulder on the device C6 at the other.
  • the annularrim is of the head C? C8 rests against the nut Cf,which is always pressed outward by 1o thes rinff C10 saids ring tendingtokee the P s a p s s valve C* away from its seat'.
  • valve in the construction shown can always be closed by a simple longitudinal thrust on the valve-stem C; also i5 that it can be permanently closed by screwzo its double capacity of acting as a regulatingvalve and of being capable of instant action to close the supply-conduit when such closure is desired.
  • Fig. lt I have shown a construction of the butt-end of the painting-nozzle by which the inner or paint tube of the nozzle can be moved longitudinally.
  • this casca two-way pipe-joint is indicated at F, said pipe-joint having the usual Tgforin, the air-supply con- A hollow plug F screws into the inner end of the T F, and is provided with a slot, as indicated at F?, into which slot fits a feather or projection F, which is secured to the paint-pipe G,
  • the outer end of the plug is threaded at F4.
  • a stop-nut F5 and an adjusting-nut F said adjusting-nut having an annulargroove at its end, in which fits a ring F?,
  • Gr and G' are concentric tubes forming a part 5o of the paint-nozzle and conveying, respecit will be noticed that the head is divided into three chambers I I and J, .I being connected with the pipe Gr' and I I being connected with the pipe G.
  • Each of the chambers is alike in havin gside walls which converge outward and 6o under walls which diverge upward, and the inner walls of the air-chambers form the walls of the paint-chamber, each chamber having a broad and narrow oriice, (indicated at J and at I2 12,) while the outer walls of the air-charnbers, extending beyond the inner walls, form a nozzle I', through which the sprayed paint issues.
  • the oriices of the air-chambers are arranged in such a way with respect to the orifice of the paintchambcr and with respect to cach other that the issuing jets of air are thrown out in converging planes which intersect each other immediately in front of the paint-nozzle.
  • This construction is the principal feature of my invention.
  • the narrow and broad air-jets acting upon the similarly-shaped jet of paint break it up into an exceedingly fineand uniform spray which is delivered in a broad and narrow form upon the object. to be painted.
  • each of these terminal chambers forms a reservoir for the iiuid which is of considerable size with respect to the orilice through which the fluid is delivered and in which the pressure of the fluid delivered from the concentric pipes G G is equalized before the issuance of the jet.
  • L indicates a cast-iron terminal or end piece for the air-pipe G, and is formed with grooves, as indicated at L L. Secured upon the end of this terminal L is a base-plate L2, held in place, as shown, by means of screws L1*1 and having a rubber gasket M between it and the terminal L.
  • This base-plate is formed with openings which register with the grooves L and which, as shown, are continued as pipes L, opening into the air-chambers I I and by which the said air-charnbers are placed in communication with the air-pipe G.
  • a stuffing-box projection L3, Lr1 indicating a nut screwing into this stuffing-box and L5 packing compressed in the box and against the pipe G' by said nut.
  • L7 indicates a flexible metallic plate, to the center of which the paint-pipe G is secured, as by a nut L, the said paint-pipe passing through an opening in the plate and entering the chamber J.
  • L" Lfl indicate metal plates secured at the respective ends of the flexible plates L7
  • L11 L10 indicate screws by which the castings .l2 are secured to the plates L1l and to the ends of the plate L7.
  • L12 L12 indicate screws by which the plate L7 is secured to the plate L2, and L13 indicate plates forming the diverging walls of the paint and air chambers.
  • M indicates a spring-cushion, preferably of rubber, which is situated between the baseplate L2 and the liexiblc plate L7.
  • N and N indicate leather gaskets.
  • a pneumatic painting-nozzle having in combination a long and narrow exit-passage for paint and two long narrow and sharplysituated above and below the paint-exit and so as to throw converging air -jets which intersect each other in frontof and close to the paintorice.
  • a pneumatic painting-nozzle havingin combination a long and narrow exit-passage for paint and two long narrow and sharplyconverging exit -passages for air situated above and belowr the paint-exit, the outer walls of the air-exits extending beyond the walls of the paint-exit, all substantially as and for the purpose speciiied.
  • a pneumatic painting-nozzle having tubular supply-pipes for air and paint and a head I'Iformed with a paint-chamber J having converging side walls, divergin g end walls and a long and narrow exit-orifice J in co1n bination with two air-chambers situated on each side Qf the paint-chamber said air-chamber also havlng converging sides and diverair-pressure in the air-pipe.
  • a pneumatic painting-nozzle having a head II formed with fa paint-chamber J having converging side walls, divergin g end walls and a long and narrow exit-orifice J in, combination with two air-chambers situated on each side'of the paint-chamber, said air-'chambers also having converging sides and diverging ends and having also exit-orifices I2 I2 lying parallel to the paint-orifice and inclined as specified and so that the 'air-jets will ⁇ intersect each other in front of the paint-orifice,
  • a pneumatic painting-nozzle having in combination a base-plate L2, a iiexible plate L", a spring-cushion M' situated between said plates, air-chambers I I secured to opposite sides of the plate L7 and arranged as described so that their inner walls form a paint--chamber J, an air-pipe G, passages as L6 L6 leading from said pipe to the air-chambers, a paintpipe G having its end secured' to the center of plate L7 and means for moving'the paintpipe longitudinally as described and whereby the ends of the air-chambers are made to approach or recede from each other and the opening of the paint-chamber made more or less.
  • one or more regulating-valves consisting of a hollow valve-stem C having lateral openingsand a terminal valve C4 adapted to seat itself in a supply-pipe,aspring arranged to hold said' valve 0E of its seat while permitting it to seat itself by pressure on the valve-stem and an adjustable head C? CB whereby the normal position of the valve can be regulated.

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Description

3 Sheets Sheet 1.
(No Model.)
^ A. FISHER.
` PNEUMATIG PAINTING NOZZLE.
No. 584.8614. Patented June 22, 1897.
Invenlorr. @u S; L
Witnesses.
(No Model.) 3 Sheets-Sheet 2. A. FISHER. PNEUMATIO PAINTING NDZZLB.
No. 584,864. Patented June 22, 1897.
r. ..v m e .TS 9N@ w #A m H v m m M @w WM .WH WH. M
3 Sheets-Sheet 3.
(No Model.)
A. FISHER.
` PNBUMATIG PAINTING NozzLB. No. 584,864.
Patented June 2'2, 1897.
VVitnesses.
At tor r1 ey..
UNITED STATES PATENT OFFICE.
ABEL FISHER, OF VELLSVILLE, OHIO.
PN EU MATIC PAINTING-NOZZLE.
SPECIFICATION forming part of LettersPatent No. 584,864, dated June 22, 1897.
Application filed January '7, 1896. Serial No. 574,579'. (N0 model.)
To all whom it mrzy'corzcern.:
Beit known that LABEL FISHER, a citizen of the United States, residing in Wellsville, in the county of Columbiana, in the State of Ohio, have invented a certain new and uscful Improvement in Pneumatic Painting-Nozzles, of which the following is a true and exact description, reference being had to the accompanying drawings, which form a part of this specification. r
My invention relates to devices known as pneumatic painting-nozzles, by which a spray of paint is caused by means of a jet or jets of compressed air to impinge against the object to be painted; and the object of my invention is to provide certain improvements in devices of this Ycharacter the nature of which will be best understood as described in connection with the drawings in which they are illustrated, and in which- Figure 1 is a side view representing a pneumatic painting-nozzle constructed in accordance with some ofthe particular features of my invention and shown in connection with certain devices for effecting a proper regulation in the supply of air and paint delivered to the nozzle. Fig. 2 is a central longitudinal Section of the nozzle shown in Fig. 1. Fig. 3 is a cross-section through the end of the nozzle, taken as on the line w .v of Fig. 5. Fig. 4 is a cross-section taken on the line y 1/ of Fig. 5, and Fig. 5 is a longitudinal section taken on the line a' .a ot Fig. 2. Figs. (i to 15, inclusive, are views illustrating a somewhat more complicated embodiment of my invention, Figs. 6 and 7 indicating sectional views taken at right angles to each other through the head o1' delivery end of the painting-nozzle. Fig. 8 is a cross-sectional view on the line 1 1 of Fig. 6; Figh 9, a section on the line 2 20E Fig. 6; Fig. 10, a section on the line 3 3 of Fig. 6; Fig. 11, a section on the line 4 4 of Fig.A 6; Fig. 12, a section on the line 5 5 of Fig. 6. Fig. 13 isa perspective View of a casting used in forming the air and paint chambers and designated by the letter J 2. Fig. 14 is a longitudinal section through the rear end of the nozzle indicated in Figs. 6 and 7, and Fig. 15 is a cross-section on the line (5 6 .of Fig. 14.
A and 13, Fig. 1,indicate, respectively, the` supply-pipes for compressed air and paint.
the other to thepaint-pipe G.
ing D'. Above the paint-levelEis a regulating-valve by which the compressed-air pipe A is placed in communication with the upper part of the receptacle I). As shown, a fiexible diaphragm E is secured across the opening D', and secured to this diaphragm and passing through a hole in the center thereof is a hollow valve-spindle E2, the end E3 of which seats itself on the sides Ei of an opening in the air-pipe.
indicates the passage through the spindle E2, and by this passage the pipe A communicates with the receptacle D when the valve E3 leaves its seat.
E indicates a stuiing-box for the upper end of the spindle E2; E7, a nut screwing on the threaded lower part of the spindle E2; E8, a spring-abutment. and E a spring situated between the nut E7 and the abutment ES.
The device is afamiliar prcssure-regulating valve in kind, and by a proper adjustment of the spring Ef the valve is opened and communication established between the air-pipe and paint-chamber whenever the pressure ill the chamber appears less than a determined ratio to the pressure in the pipe, while on attaining this rat-io the pressure in the receptacle I), acting on the diaphragm E', closes the regulating-valve. ly using this device I securera uniform ratio of pressure iu the airpipe and paint-receptacle and consequently a proper relative supply of air and paint through the pipes A and B.
I have already referred to the hollow valvestems C, which may be said to form a part 0fthe supply-conduits leading to the nozzle. Each of these stems C tits and slides in the outer parts of chambers C, the inner ends of which are secured one to the air-pipe G and As shown, these chambers are formed with an enlargement C2 and with valve-seats C3, upon which the valves proper, C, formed at the ends of the pipes C, can seat themselves, so as to cut off all passage of iluid.
C5` C5 indicate lateral openings from the hollow spindles C, by which they are placed in connection with the enlargements C2 of the 3o duit enteringat the side of the joint.
35 which passes through the plug.
chambers C. Secured to the outer end of the chambers C are annular extensions (5, upon the threaded outer pcripheries of which screw the heads CT C8, C CJindicating nut secured 5 to the spindles (l, and C10 a spring operating against such nut at one end and against a shoulder on the device C6 at the other. The annularrim (is of the head C? C8 rests against the nut Cf,which is always pressed outward by 1o thes rinff C10 saids ring tendingtokee the P s a p s s valve C* away from its seat'.
It is obvious that the valve in the construction shown can always be closed by a simple longitudinal thrust on the valve-stem C; also i5 that it can be permanently closed by screwzo its double capacity of acting as a regulatingvalve and of being capable of instant action to close the supply-conduit when such closure is desired.
In Fig. lt I have shown a construction of the butt-end of the painting-nozzle by which the inner or paint tube of the nozzle can be moved longitudinally. In this casca two-way pipe-joint is indicated at F, said pipe-joint having the usual Tgforin, the air-supply con- A hollow plug F screws into the inner end of the T F, and is provided with a slot, as indicated at F?, into which slot fits a feather or projection F, which is secured to the paint-pipe G, The outer end of the plug is threaded at F4. There is secured upon it a stop-nut F5 and an adjusting-nut F, said adjusting-nut having an annulargroove at its end, in which fits a ring F?,
4o to which ring is attached a sleeve F, to which sleeve is also attached a nut F10, screwing upon a threaded portion g of the tube G.- It will readily be seen that by turning the sleeve F", which remains stationary with regard to the plug F', the action of the nut F10 will be to force the tube G' backward or forward, as the case may be, the turning of this tube being prevented by the feather F3.
Gr and G' are concentric tubes forming a part 5o of the paint-nozzle and conveying, respecit will be noticed that the head is divided into three chambers I I and J, .I being connected with the pipe Gr' and I I being connected with the pipe G. Each of the chambers is alike in havin gside walls which converge outward and 6o under walls which diverge upward, and the inner walls of the air-chambers form the walls of the paint-chamber, each chamber having a broad and narrow oriice, (indicated at J and at I2 12,) while the outer walls of the air-charnbers, extending beyond the inner walls, form a nozzle I', through which the sprayed paint issues. It will also be noticed that the oriices of the air-chambers are arranged in such a way with respect to the orifice of the paintchambcr and with respect to cach other that the issuing jets of air are thrown out in converging planes which intersect each other immediately in front of the paint-nozzle. This construction is the principal feature of my invention. The narrow and broad air-jets acting upon the similarly-shaped jet of paint break it up into an exceedingly fineand uniform spray which is delivered in a broad and narrow form upon the object. to be painted. I would also note in this connection that itis quite important that the air and paint chambers should be of substantially the form indicated, as in this way each of these terminal chambers forms a reservoir for the iiuid which is of considerable size with respect to the orilice through which the fluid is delivered and in which the pressure of the fluid delivered from the concentric pipes G G is equalized before the issuance of the jet.
Referring next to the construction of the nozzle-head,(indicated in Figs.S to 13,) I would state, in the first place, that the nozzle here indicated has all the features of the nozzle heretofore described, and, in addition, a mode of construction by which the breadth of the orifices J and Il is capable of adjustment, and by which, indeed, the orifice J8 can be entirely closed. Referring now to the details of construction shown in these figures, L indicates a cast-iron terminal or end piece for the air-pipe G, and is formed with grooves, as indicated at L L. Secured upon the end of this terminal L is a base-plate L2, held in place, as shown, by means of screws L1*1 and havinga rubber gasket M between it and the terminal L. This base-plate is formed with openings which register with the grooves L and which, as shown, are continued as pipes L, opening into the air-chambers I I and by which the said air-charnbers are placed in communication with the air-pipe G. In the center of the base-plate, as shown, is a stuffing-box projection L3, Lr1 indicating a nut screwing into this stuffing-box and L5 packing compressed in the box and against the pipe G' by said nut.
L7 indicates a flexible metallic plate, to the center of which the paint-pipe G is secured, as by a nut L, the said paint-pipe passing through an opening in the plate and entering the chamber J.
L" Lfl indicate metal plates secured at the respective ends of the flexible plates L7, and L11 L10 indicate screws by which the castings .l2 are secured to the plates L1l and to the ends of the plate L7.
L12 L12 indicate screws by which the plate L7 is secured to the plate L2, and L13 indicate plates forming the diverging walls of the paint and air chambers.
M indicates a spring-cushion, preferably of rubber, which is situated between the baseplate L2 and the liexiblc plate L7.
N and N indicate leather gaskets.
IOO
IlO
J 2indicates castings which are secured to the fiexible plate L7 by the screws L10, which screws unite the plates L9 L7 and the castings J 2 together. The walls J 3 of the paint-chamber J, which are also the inner walls of the up so that it lies between the plates L13 and the sides of the castingsJz, and in order to make the end walls of the paint-chamber J2 are conveniently outward I prefer to employ converging exit-passages for air rubber cushions, as indicated at M2, which fill up the unnecessary space and also by reason of their resiliency assist in the action 0E the rubber cushion M.
The operation of the device is very simple. If the pipe Gr' is moved outward, it (or rather in the construction shown the rubber cushion M) will force the plate L7 to take a curved position, with its center bulging outward.'
The result of this is to move the two castings J 2 apart from each other at their ends, thus increasing the openings lat J' and I. On the other hand, a backward movement of the pipe G will draw the center of the plate Lbackward until it assumes a level position, as indicated in Fig. 6, or until it bulges inward,
this action of course drawing the ends of the castings J 2 together andclosin g or tending to close the orifice J I. f
Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is
1. A pneumatic painting-nozzle having in combination a long and narrow exit-passage for paint and two long narrow and sharplysituated above and below the paint-exit and so as to throw converging air -jets which intersect each other in frontof and close to the paintorice.
2. A pneumatic painting-nozzle havingin combination a long and narrow exit-passage for paint and two long narrow and sharplyconverging exit -passages for air situated above and belowr the paint-exit, the outer walls of the air-exits extending beyond the walls of the paint-exit, all substantially as and for the purpose speciiied.
3. A pneumatic painting-nozzle having tubular supply-pipes for air and paint and a head I'Iformed with a paint-chamber J having converging side walls, divergin g end walls and a long and narrow exit-orifice J in co1n bination with two air-chambers situated on each side Qf the paint-chamber said air-chamber also havlng converging sides and diverair-pressure in the air-pipe.
ging ends and having also exit-orifices I2 I2 lyiu g parallel to the paint-orifice and inclined :as-specified and so that the air-jets will intersect each other in front of the paint-orifice,
the air and paint chambers being of larger cross-sectional area than the supplypipes leading thereto. '5
4. A pneumatic painting-nozzle having a head II formed with fa paint-chamber J having converging side walls, divergin g end walls and a long and narrow exit-orifice J in, combination with two air-chambers situated on each side'of the paint-chamber, said air-'chambers also having converging sides and diverging ends and having also exit-orifices I2 I2 lying parallel to the paint-orifice and inclined as specified and so that the 'air-jets will` intersect each other in front of the paint-orifice,
a paint-supply pipe G' leading to the paintc-hamber and an air-supply pipe G surrounding the paint-pipe'and communicating with each ai r-chamber, the cross-sectional area of the chambers in the head being larger than` their supply-pipes.
5. A pneumatic painting-nozzle having in combination a base-plate L2, a iiexible plate L", a spring-cushion M' situated between said plates, air-chambers I I secured to opposite sides of the plate L7 and arranged as described so that their inner walls form a paint--chamber J, an air-pipe G, passages as L6 L6 leading from said pipe to the air-chambers, a paintpipe G having its end secured' to the center of plate L7 and means for moving'the paintpipe longitudinally as described and whereby the ends of the air-chambers are made to approach or recede from each other and the opening of the paint-chamber made more or less.
6. In combination with a pneumatic paintin g-nozzle having concentric supply-pipes for paint and air, one or more regulating-valves consisting of a hollow valve-stem C having lateral openingsand a terminal valve C4 adapted to seat itself in a supply-pipe,aspring arranged to hold said' valve 0E of its seat while permitting it to seat itself by pressure on the valve-stem and an adjustable head C? CB whereby the normal position of the valve can be regulated.
7 In combination with a pneumatic painting-nozzle having supply-pipes for paint and compressed air, a paint-receptacle from which the paint-pipe lea-ds to the nozzle a connection from the air-pipe to said receptacle and a pressure-regulating valve situated in said connection whereby the pressure in the :receptacle is maintained in a iixed ratio to the A ABEL FISI-IER., Witnesses W. F. LoUEs,
F. L. WELLS.
IIO
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528927A (en) * 1944-12-07 1950-11-07 Spray Process Co Inc Spraying device for liquids
US2616660A (en) * 1946-03-18 1952-11-04 Albert S Van Denburgh Valve for spray controlling apparatus
US3096023A (en) * 1959-09-16 1963-07-02 Auto Research Corp Lubrication
US3199789A (en) * 1963-07-22 1965-08-10 Martin Sweets Company Inc Spray nozzle having a rectangular high velocity gas outlet and low velocity liquid outlets
US4236674A (en) * 1978-01-10 1980-12-02 Binks Bullows Limited Spray nozzle
US5100060A (en) * 1990-05-07 1992-03-31 Bersch & Fratscher Gmbh HVLP paint spray gun

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528927A (en) * 1944-12-07 1950-11-07 Spray Process Co Inc Spraying device for liquids
US2616660A (en) * 1946-03-18 1952-11-04 Albert S Van Denburgh Valve for spray controlling apparatus
US3096023A (en) * 1959-09-16 1963-07-02 Auto Research Corp Lubrication
US3199789A (en) * 1963-07-22 1965-08-10 Martin Sweets Company Inc Spray nozzle having a rectangular high velocity gas outlet and low velocity liquid outlets
US4236674A (en) * 1978-01-10 1980-12-02 Binks Bullows Limited Spray nozzle
US5100060A (en) * 1990-05-07 1992-03-31 Bersch & Fratscher Gmbh HVLP paint spray gun

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