US1219642A - Sprayer. - Google Patents

Sprayer. Download PDF

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Publication number
US1219642A
US1219642A US10662316A US10662316A US1219642A US 1219642 A US1219642 A US 1219642A US 10662316 A US10662316 A US 10662316A US 10662316 A US10662316 A US 10662316A US 1219642 A US1219642 A US 1219642A
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Prior art keywords
spray
nozzle
air
varnish
appliance
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Expired - Lifetime
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US10662316A
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Joel L Isaacs
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Individual
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Priority to US10662316A priority Critical patent/US1219642A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02Spray pistols; Apparatus for discharge
    • B05B7/08Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter

Definitions

  • the present invention is intended to overcome this difiiculty and aims to confine. or restrict the spray, that is, prevent its undue spreading, thereby facilitating its economical application to the small parts and resulting in a marked saving of the coating material used.
  • This desirable object is reached by providing the spray nozzle with a supplemental discharge opening or nozzle through which compressed air is delivered, surrounding the spray and acting to prevent its dissipation and undue spreading.
  • the tube, so to speak, of compressed air around the spray 'confines the latter, whereby it may more advantageously be directed to the parts intended, thus restricting the size of the spray so that it can be economically employed in the coating of small parts.
  • Fig. 2 is a section on 1ine'22 of Fig. 1.
  • the appliance includes a tank or chamber 10 adapted to contain the varnish, paint, or similar coating material, and it is provided with a tube 11 extending into the compartment to a point near its bottom and connected at its upper end to a nozzle or spout Patented Mar. 20, ram.
  • the two nozzles, 12, and 13, forming a duplex structure may be of the usual and customary form, it being merely necessary for the compressed air issuing from the nozzle 13 to draw up the paint or varnish and discharge the same through its nozzle, forming a suitable spray so that the varnish or paint is finelysub-divided and delivered from the nozzle under pressure in such condition. So far as this appliance has now been described, it embodies nothing new in the art.
  • duplex nozzle 12, 13, is, however, surrounded by a third nozzle or discharge appliance 16 connectedby a hose or pipe 17 to a source of compressed-air, preferably, but not necessarily, of greater pressure than that in the connection 14,
  • This outer nozzle or discharge device is also equipped with a control valve 18.
  • the end of nozzle 16 is supplied with a sliding adjustable sleeve 19 which may be regulated as to position to determine the extent of its extension beyond the end of the duplex nozzle 12, 13.
  • the space between the inner surface of the outer nozzle 16 and the exterior surface of the nozzle 13 is annular in form and will provide for the discharge of a similarly-shaped tube or pipe, so to speak, of compressed-air, desirably of greater pressure than that issuing from the spray-noz- Z16 12, 13.
  • valve 18 varies the pressure of the air jet Which Will govern the spread of the spray.
  • the adjustable nozzle or surrounding sleeve 19 aids indirecting the discharge of such layer of air and assists in confining and directing the jet or spray surrounded thereby.
  • a duplex nozzle adapted to deliver a coating material under pressure in the form of a spray, and means to deliver a tube of compressed-air under greater pressure surrounding and confining said spray, substantially as described.

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Description

J. L. ISAACS.
SPRAYER.
APPLICATION FILED JUNE 29, 1916.
Patented Mar. 20, 1917.
J rrnn srrrrns 1 JOEL L. ISAACS, OF CHICAGO, ILLINOIS SPRAYER.
Specification of Letters Patent.
Application filed June 29, 1916. Serial No. 106,623.
To all whom it may concern? Be it known that I, JOEL L. ISAACS,, a citizen of the United States, residing'at Chitime, compressed air being usually employed for atomizing or finely subdividing the liquid paint or varnish and discharging 1t under pressure in the form of a spray on the article to be treated. Upon leaving the nozzle of the appliance, however, such spray has a tendency to expand and become more or less dissipated. In other words, upon issuing from the nozzle, the spray assumes the form of a cone with the apex at the nozzle. When large surfaces are being treated, no serious difficulty is encountered in employing a spraying or atomizing device of this character, but where relatively small parts are being treated, owing to the size of cross-section of the spray, much of the coating material is lost beyond recovery. For example, much comparatively-expensive varnish is wasted when the legsand spindles or slats of chairs and other articles of furniture are thus coated with varnish or paint because of the large percentage of varnish or paint which passes by both sides of the elements treated, and is lost.
The present invention is intended to overcome this difiiculty and aims to confine. or restrict the spray, that is, prevent its undue spreading, thereby facilitating its economical application to the small parts and resulting in a marked saving of the coating material used. This desirable object is reached by providing the spray nozzle with a supplemental discharge opening or nozzle through which compressed air is delivered, surrounding the spray and acting to prevent its dissipation and undue spreading. In other words, the tube, so to speak, of compressed air around the spray, 'confines the latter, whereby it may more advantageously be directed to the parts intended, thus restricting the size of the spray so that it can be economically employed in the coating of small parts.
border that thoseskilled in this art may have a full understanding of the invention, a desirable embodiment of the same is illustrated in the accompanying drawing which forms a part of this specification, and in this drawing: Figure 1 is a partial elevation and partial section of the device; and
Fig. 2 is a section on 1ine'22 of Fig. 1.
The appliance includes a tank or chamber 10 adapted to contain the varnish, paint, or similar coating material, and it is provided with a tube 11 extending into the compartment to a point near its bottom and connected at its upper end to a nozzle or spout Patented Mar. 20, ram.
12, surrounded by another 13, connected by I a pipe or hose 14 to any suitable source of compressed-air, the latter nozzle being equipped with a controlling valve 15 of any suitable or desirable construction. The two nozzles, 12, and 13, forming a duplex structure, may be of the usual and customary form, it being merely necessary for the compressed air issuing from the nozzle 13 to draw up the paint or varnish and discharge the same through its nozzle, forming a suitable spray so that the varnish or paint is finelysub-divided and delivered from the nozzle under pressure in such condition. So far as this appliance has now been described, it embodies nothing new in the art.
This. duplex nozzle 12, 13, is, however, surrounded by a third nozzle or discharge appliance 16 connectedby a hose or pipe 17 to a source of compressed-air, preferably, but not necessarily, of greater pressure than that in the connection 14, This outer nozzle or discharge device is also equipped with a control valve 18. The end of nozzle 16is supplied with a sliding adjustable sleeve 19 which may be regulated as to position to determine the extent of its extension beyond the end of the duplex nozzle 12, 13. It will be clear that the space between the inner surface of the outer nozzle 16 and the exterior surface of the nozzle 13 is annular in form and will provide for the discharge of a similarly-shaped tube or pipe, so to speak, of compressed-air, desirably of greater pressure than that issuing from the spray-noz- Z16 12, 13.
This surrounding layer or stratum of air acts to confine and restrict the sprayed or atomized varnish or paint, preventing its dispersion and dissipation and adapting it for the coating of articles of small size, thus doing away with the considerable loss which 1,21e,ea2
; in the varnishing of certain parts of furniture, because in those cases the varnish.
which passes by the sides of the small portions of the articles treated is lost and is unsuited for economical recovery. Manipulation of valve 18 varies the pressure of the air jet Which Will govern the spread of the spray.
The adjustable nozzle or surrounding sleeve 19 aids indirecting the discharge of such layer of air and assists in confining and directing the jet or spray surrounded thereby.
To those skilled in this art it Will be obvious that the invention is not limited and restricted to the precise and exact details of construction shown and described, but it will be clear that these may be modified in substantial Ways Without departure from the heart of the invention and Withoutsacrificing any of its substantialbenefits and advantages. For example, instead of using air as the confining medium some gas suitable to assist in the drying of the varnish or F paint may be employed, and, if desired, heated air may be used. j I claim:
1. In an appliance of the character described, the combination of means to produce a spray, and means to confine said spray by an outer stratum or body of gas, substantially as described.
2. In an appliance of the character described, the combination of a nozzle for delivering a spray under pressure, and means to deliver gas underpressure and confining said spray, substantially as described.
3. In an appliance of the character described, the combination of a duplex nozzle adapted to deliver a coating material under pressure in the form of a spray, and another nozzle adapted to deliver compressed-air confining said spray, substantially as described.
4. In an appliance of the character described, the combination of' a nozzle for de livering a spray under pressure, and means to deliver gas under greater pressure than said spray, said gas confining said spray and preventing its undue spreading, substantially asdescribed.
5. In an appliance of the character described, the combination of a duplex nozzle adapted to deliver a coating material under pressure in the form of a spray, and means to deliver a tube of compressed-air under greater pressure surrounding and confining said spray, substantially as described.
,4 JOEL L. ISAACS.
US10662316A 1916-06-29 1916-06-29 Sprayer. Expired - Lifetime US1219642A (en)

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US10662316A US1219642A (en) 1916-06-29 1916-06-29 Sprayer.

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US10662316A US1219642A (en) 1916-06-29 1916-06-29 Sprayer.

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504216A (en) * 1944-12-23 1950-04-18 Walter N T Morton Spray gun
US2597573A (en) * 1949-10-03 1952-05-20 Groff Jerald S De Spraying apparatus
US4106697A (en) * 1976-08-30 1978-08-15 Ppg Industries, Inc. Spraying device with gas shroud and electrostatic charging means having a porous electrode
US4516521A (en) * 1983-04-14 1985-05-14 Kernforschungszentrum Karlsruhe G.M.B.H. Apparatus for the coating of workpieces by flame spraying
US4650119A (en) * 1985-11-26 1987-03-17 Binks Manufacturing Company Air spray gun
US4664315A (en) * 1986-01-15 1987-05-12 Parker Hannifin Corporation Electrostatic spray nozzle
US4762274A (en) * 1985-11-13 1988-08-09 Parker-Hannifin Corporation Inductor nozzle assembly for crop sprayers
US4865257A (en) * 1988-07-20 1989-09-12 Bailey Amy L Spray guard adapted for use with a wand for spraying a liquid onto vegetation
US4998993A (en) * 1983-02-17 1991-03-12 Tibor Kenderi Spraying gun
US5307992A (en) * 1992-11-18 1994-05-03 Usbi Co. Method and system for coating a substrate with a reinforced resin matrix
US5565241A (en) * 1994-08-10 1996-10-15 Usbi Co. Convergent end-effector
EP0910985A1 (en) 1997-10-20 1999-04-28 Robert Allen Stratbucker Electrocardiograph bioelectric interface system and method of use
US20040050946A1 (en) * 2002-08-06 2004-03-18 Clean Earth Technologies, Llc Method and apparatus for electrostatic spray
US20070194157A1 (en) * 2002-08-06 2007-08-23 Clean Earth Technologies, Llc Method and apparatus for high transfer efficiency electrostatic spray

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2504216A (en) * 1944-12-23 1950-04-18 Walter N T Morton Spray gun
US2597573A (en) * 1949-10-03 1952-05-20 Groff Jerald S De Spraying apparatus
US4106697A (en) * 1976-08-30 1978-08-15 Ppg Industries, Inc. Spraying device with gas shroud and electrostatic charging means having a porous electrode
US4998993A (en) * 1983-02-17 1991-03-12 Tibor Kenderi Spraying gun
US4516521A (en) * 1983-04-14 1985-05-14 Kernforschungszentrum Karlsruhe G.M.B.H. Apparatus for the coating of workpieces by flame spraying
US4762274A (en) * 1985-11-13 1988-08-09 Parker-Hannifin Corporation Inductor nozzle assembly for crop sprayers
US4650119A (en) * 1985-11-26 1987-03-17 Binks Manufacturing Company Air spray gun
US4664315A (en) * 1986-01-15 1987-05-12 Parker Hannifin Corporation Electrostatic spray nozzle
US4865257A (en) * 1988-07-20 1989-09-12 Bailey Amy L Spray guard adapted for use with a wand for spraying a liquid onto vegetation
US5307992A (en) * 1992-11-18 1994-05-03 Usbi Co. Method and system for coating a substrate with a reinforced resin matrix
US5579998A (en) * 1992-11-18 1996-12-03 Usbi Co. Method for coating a substrate with a reinforced resin matrix
US5565241A (en) * 1994-08-10 1996-10-15 Usbi Co. Convergent end-effector
EP0910985A1 (en) 1997-10-20 1999-04-28 Robert Allen Stratbucker Electrocardiograph bioelectric interface system and method of use
US20040050946A1 (en) * 2002-08-06 2004-03-18 Clean Earth Technologies, Llc Method and apparatus for electrostatic spray
US7150412B2 (en) 2002-08-06 2006-12-19 Clean Earth Technologies Llc Method and apparatus for electrostatic spray
US20070194157A1 (en) * 2002-08-06 2007-08-23 Clean Earth Technologies, Llc Method and apparatus for high transfer efficiency electrostatic spray

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