EP1064103A1 - Vee - Google Patents
VeeInfo
- Publication number
- EP1064103A1 EP1064103A1 EP98906788A EP98906788A EP1064103A1 EP 1064103 A1 EP1064103 A1 EP 1064103A1 EP 98906788 A EP98906788 A EP 98906788A EP 98906788 A EP98906788 A EP 98906788A EP 1064103 A1 EP1064103 A1 EP 1064103A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotary element
- spray head
- support seat
- seal
- gun
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 claims abstract description 40
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 230000000717 retained effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 4
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/52—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles
- B05B15/531—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using backflow
- B05B15/534—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter for removal of clogging particles using backflow by reversing the nozzle relative to the supply conduit
Definitions
- the present invention relates to a safety spray head, in particular for high-pressure spray guns comprising a rotary element placed in a central body and traversed by a channel having a spray orifice and a seal ensuring the seal between the rotary element and gun.
- US Patent 3,952,955 shows a spray head with a protective nozzle having an alignment mechanism with said head.
- US Patent 3,955,763 describes a spray nozzle intended to be fixed to the diffuser of a spray gun, the nozzle comprising a rotary element having the form of a ball having a spray orifice formed in a circular duct.
- This nozzle comprises a housing surrounding the rotary element and a sealing member placed in the housing and seals sealingly against the rotary element.
- the housing, the rotary element and the sealing member are assembled in a single operation by screwing onto the diffuser of the spray gun.
- the user wishes to change the nozzle, he must separate the nozzle of the gun diffuser and then assemble the various parts constituting it before proceeding in a single operation to reassemble the nozzle on the gun diffuser. The user may encounter difficulties during this operation, since the parts constituting the nozzle must be in an ideal position relative to each other before tightening the nozzle.
- the present invention seeks to overcome these drawbacks and to propose a head with a rotating design element. extremely simple to open and stop the passage of the pressurized fluid. It is self-cleaning and easily removable to change the rotary element which contains the spray nozzle.
- the seal is a stainless steel support seat collaborating with the spherical part of the rotary element.
- the rotary element is retained laterally inside the central cylindrical body by the pressure exerted on the support seat connected to the spray gun with the collaboration of a clamping adapter.
- a nylon or polyamide seal is advantageously placed between the support seat and the gun.
- the support seat has an O-ring placed in a circular groove ensuring a seal between the support seat and the central part.
- the support seat has a spring which moves it away from the rotary element when it is separated from the gun so that the rotary element can be extracted from the central body.
- the rotary element is connected to a handle which makes it possible to rotate it up to a semi-circle between two extreme positions, a flange with two opposite flat surfaces associated with the handle abuts against the upper surface of 1 ' clamping adapter during rotation so that the two positions are fixed.
- the spray head may advantageously have a keeper around the nozzle for the protection of the user.
- This configuration has the advantage that the handle can undergo a 180 ° inversion, which allows the cleaning operation by reversing the position of the handle. Still the construction allows an extremely easy disassembly of the parts due to the fact that it suffices to unscrew the nut connecting the gun to the head to release the seal which is pushed from below by the action of the spring; the rotary element can thus be removed.
- the drawing illustrates by way of example an embodiment of a spray head according to the invention.
- FIG. 1 shows us a general view of a spray head, with a partial section in which on the left is presented in position when it is screwed with the gun and on the right when it is unscrewed,
- FIG. 2 shows a view of the rotary element with a partial section to present a spray nozzle
- FIG. 3 shows the same rotary element rotated by 90 degrees relative to FIG. 2.
- the rotary element 1 is composed of a spherical central part 2, and two cylindrical seats
- the body central 10 has inside a seal 14 in the form of a seat-support which is cylindrical and which on its upper side 15 combines the spherical shape of the central part 2 of the rotary element.
- a seal 14 in the form of a seat-support which is cylindrical and which on its upper side 15 combines the spherical shape of the central part 2 of the rotary element.
- the base In the base it has a nylon 16 or polyamide seal 16 and around it an O-ring 17 made of stainless steel located between the support seat 14 and the central body 10.
- a spring 18 releases the support seat 14 from the body central 10 when the spray head is unscrewed from the gun.
- Around the central body there is a clamping adapter 19 to the gun, therefore the upper part 20 is flat to collaborate with the stops 9 of the rotary element.
- the clamping adapter 19 has a machined part in nut 21 in order to be able to screw it with a gun.
- a protective keeper 22 is placed around the nozzle 5 and has a shape 23 which embraces the central body 10, the rotary element 1 and the clamping adapter 19. It thus has an orifice 24 to allow the passage of the rotary element 1.
- the spring 18 is under pressure and the support seat 14 of the central body 10 will tighten against the central part 2 of the rotary element 1. This tightening takes advantage of the special shape.
- the rotary element 1 is fixed in its working position by a stop 9, on the upper part 20 of the clamping adapter 19, when the rotary element is turned by half a turn to pass to cleaning, the stop 9 which has two opposite flat surfaces is confronted by its other side against the same upper surface 20 of the clamping adapter 19.
- the seal or support seat 14 is made of a conventional stainless steel, for example an easy 3003 steel. This seal is untreated, on the other hand it undergoes a stamping operation carried out using the spherical part 2 of the element. rotary 1.
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH1998/000104 WO1999047274A1 (en) | 1998-03-17 | 1998-03-17 | Spray head |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1064103A1 true EP1064103A1 (en) | 2001-01-03 |
EP1064103B1 EP1064103B1 (en) | 2003-07-16 |
Family
ID=4551313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98906788A Expired - Lifetime EP1064103B1 (en) | 1998-03-17 | 1998-03-17 | Vee |
Country Status (6)
Country | Link |
---|---|
US (1) | US6719212B1 (en) |
EP (1) | EP1064103B1 (en) |
JP (1) | JP2002506724A (en) |
AU (1) | AU6287998A (en) |
DE (1) | DE69816485T2 (en) |
WO (1) | WO1999047274A1 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH693822A5 (en) | 1999-07-07 | 2004-02-27 | Marcel Leisi | spray head. |
US6978944B1 (en) * | 2004-07-08 | 2005-12-27 | American Products Company | Reversible spray tip unit |
US8360345B2 (en) * | 2007-05-31 | 2013-01-29 | Micheli Paul R | Airless spray gun having overhead valve and removable head |
US7789327B2 (en) * | 2007-05-31 | 2010-09-07 | Illinois Tool Works Inc. | Modular spray gun with replaceable components |
US8313047B2 (en) * | 2007-12-10 | 2012-11-20 | Micheli Paul R | Spray gun having adjustable handle |
US8308086B2 (en) * | 2008-05-12 | 2012-11-13 | Micheli Paul R | Airless spray gun having a removable valve cartridge |
US8870097B2 (en) * | 2008-05-12 | 2014-10-28 | Finishing Brands Holdings Inc. | Airless spray gun having a removable valve cartridge and protective insert |
US20100078499A1 (en) * | 2008-10-01 | 2010-04-01 | Wagner Spray Tech Corporation | Nozzle for fluid delivery system |
EP2189226B1 (en) * | 2008-11-19 | 2013-09-11 | J. Wagner GmbH | Air cap with separate formed air horn and his manufacturing process with injection mould |
CN105107653B (en) | 2009-01-26 | 2018-01-09 | 3M创新有限公司 | Liquid spray gun, spray gun platform and nozzle component |
EP3476492B1 (en) | 2011-02-09 | 2020-05-27 | 3M Innovative Properties Co. | Nozzle tips and spray head assemblies for liquid spray guns |
WO2013016474A1 (en) | 2011-07-28 | 2013-01-31 | 3M Innovative Properties Company | Spray head assembly with integrated air cap/nozzle for a liquid spray gun |
WO2013055730A1 (en) | 2011-10-12 | 2013-04-18 | 3M Innovative Properties Company | Spray head assemblies for liquid spray guns |
MX370998B (en) | 2012-03-06 | 2020-01-13 | 3M Innovative Properties Co | Spray gun having internal boost passageway. |
KR102111467B1 (en) | 2012-03-23 | 2020-05-15 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | Spray gun barrel with inseparable nozzle |
AU2014290641B2 (en) | 2013-07-15 | 2017-07-06 | 3M Innovative Properties Company | Air caps with face geometry inserts for liquid spray guns |
DE102014203043B3 (en) * | 2014-02-19 | 2015-03-05 | Minimax Gmbh & Co. Kg | Löschfluiddüsensystem, in particular extinguishing gas nozzle system for stationary fire extinguishing systems, as well as extinguishing fluid nozzle and -blende for selbiges |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1200012A (en) * | 1968-01-10 | 1970-07-29 | Delavan Watson Ltd | Improvements in or relating to spray head or nozzle assemblies for spray guns |
US3667681A (en) * | 1970-10-21 | 1972-06-06 | Gen Motors Corp | Plastic bearing for an airless spray gun |
US3952955A (en) | 1974-12-12 | 1976-04-27 | Graco Inc. | Safety tip guard |
US3955763A (en) * | 1975-05-19 | 1976-05-11 | Graco Inc. | Rotatable spray nozzle |
US4116386A (en) * | 1976-02-23 | 1978-09-26 | A.S.M. Company | Spray nozzle head |
US4165836A (en) | 1978-01-03 | 1979-08-28 | Graco Inc. | Rotatable spray nozzle with safety guard |
US4256260A (en) * | 1979-04-23 | 1981-03-17 | Piggott Richard G | Spray head |
US4757947A (en) * | 1980-07-02 | 1988-07-19 | Calder Oliver J | Spray tip with improved turret seal |
SE8100603L (en) * | 1981-01-29 | 1982-07-30 | Gosta Hellman | spraying device |
US4629121A (en) | 1982-07-19 | 1986-12-16 | Hengesbach Robert W | Flow control nozzle and shutoff valve having screen-carrying passage in rotatable stem |
US4611758A (en) * | 1982-12-21 | 1986-09-16 | Geberth John Daniel Jun | Reversible spray tip |
US4508268A (en) | 1982-12-21 | 1985-04-02 | Geberth John Daniel Jun | Reversible spray tip |
CH655867A5 (en) * | 1984-04-27 | 1986-05-30 | Exit S A | SPRAY NOZZLE, ESPECIALLY FOR SPRAY GUNS. |
US5340029A (en) * | 1993-04-05 | 1994-08-23 | Spraying Systems Co. | Rotary spray tip assembly with improved rotor sealing means |
US5765753A (en) * | 1996-07-18 | 1998-06-16 | Wagner Spray Tech Corporation | Reversible spray tip |
-
1998
- 1998-03-17 US US09/646,439 patent/US6719212B1/en not_active Expired - Fee Related
- 1998-03-17 AU AU62879/98A patent/AU6287998A/en not_active Abandoned
- 1998-03-17 WO PCT/CH1998/000104 patent/WO1999047274A1/en active IP Right Grant
- 1998-03-17 DE DE69816485T patent/DE69816485T2/en not_active Expired - Fee Related
- 1998-03-17 JP JP2000536497A patent/JP2002506724A/en active Pending
- 1998-03-17 EP EP98906788A patent/EP1064103B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9947274A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2002506724A (en) | 2002-03-05 |
WO1999047274A1 (en) | 1999-09-23 |
DE69816485D1 (en) | 2003-08-21 |
AU6287998A (en) | 1999-10-11 |
EP1064103B1 (en) | 2003-07-16 |
US6719212B1 (en) | 2004-04-13 |
DE69816485T2 (en) | 2004-05-27 |
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