NO864625L

NO864625L - CONTROLLED DUAL FLUID SPRAY EQUIPMENT WITH TELESCOPING SPRAY ERA.

Info

Publication number: NO864625L
Application number: NO864625A
Authority: NO
Inventors: Rudy R Proctor; Fred M Reinstein
Original assignee: Turbo Tek Enterpr Inc
Priority date: 1985-03-20
Filing date: 1986-11-19
Publication date: 1986-11-19
Also published as: DK552886D0; DK552886A; DE216895T1

Description

Denne oppfinnelse angår en sprøyteinnretning med styrt tilførsel av tilsetningsfluid, og nærmere bestemt en sprøyte-innretning med styrt tilføring av tilsetningsfluid, der et primærfluid og et tilsetningsfluid kan sprøytes separat i forskjellige sprøytemønstre, eller som en blanding med selektivt variable konsentrasjoner av tilsetningsfluidet i primærfluidet. This invention relates to a spray device with controlled supply of additive fluid, and more specifically a spray device with controlled supply of additive fluid, where a primary fluid and an additive fluid can be sprayed separately in different spray patterns, or as a mixture with selectively variable concentrations of the additive fluid in the primary fluid.

Det er kjent sprøyteinnretninger der et tilsetningsfluid, slik som vaskemiddel, insektsmiddel eller jødningsmiddel, blandes med et primærfluid, slik som vann, når primærfluidet strømmer gjennom et gjennomløp eller en kanal i sprøyteinn-retningen. F.eks. viser U.S. patent 3.447.753 tilhørende R.R. Proctor m.fl. en sprøytevaskeinnretning med vaskemiddel-tilførsel, der sprøyteinnretningen er i form av et kapsel-element som er festet til et reservoar av krukke-typen beregnet på å oppta et vaskemiddel. Sprøyteinnretningen omfatter en dreibar styreventil som kan beveges fra en "AV"-stilling til en første operativ stilling der bare vann strømmer gjennom innretningens hovedkanal. Ventilen kan også dreies til en stilling der ventilen avleder en del av vannet gjennom en hjelpekanal inn i reservoaret for å agitere og omrøre vaskemiddelet i dette, og tvinge vaskemiddelet ut av reservoaret inn i vannet som strømmer gjennom sprøyteinnretningens hovedkanal til en utstrømningsdyse. En lignende sprøyteinnretning er vist i U.S. patent 3.770.205 tilhørende D.L. Proctor m.fl., der en dreibar styreventil har en tredje operativ stilling der ventilen avleder en del av vannet gjennom en annen hjelpekanal inn i reservoaret når "pellets" anvendes i reservoaret. Spraying devices are known in which an additive fluid, such as detergent, insecticide or iodine, is mixed with a primary fluid, such as water, when the primary fluid flows through a passage or a channel in the spraying device. E.g. shows the U.S. patent 3,447,753 belonging to R.R. Proctor et al. a spray washing device with detergent supply, where the spray device is in the form of a capsule element which is attached to a jar-type reservoir intended to receive a detergent. The spray device comprises a rotatable control valve which can be moved from an "OFF" position to a first operative position where only water flows through the main channel of the device. The valve can also be turned to a position where the valve diverts part of the water through an auxiliary channel into the reservoir to agitate and stir the detergent therein, forcing the detergent out of the reservoir into the water flowing through the sprayer's main channel to an outflow nozzle. A similar injection device is shown in U.S. Pat. patent 3,770,205 belonging to D.L. Proctor et al., where a rotatable control valve has a third operative position where the valve diverts part of the water through another auxiliary channel into the reservoir when "pellets" are used in the reservoir.

U.S. patent 2.795.460 tilhørendeR.E. Bletcher m.fl. viserU.S. patent 2,795,460 belonging to R.E. Bletcher et al. shows

i figur 7, 8 og 9 en vaskemiddel-doseringsinnretning der vaskemiddelet lagres i en fjærende pose eller blære i et reservoar av krukketypen. Vann som strømmer i en hovedkanal i innretningen frembringer da et vakuum innvendig i den fjærende pose, og dette vakuum, sammen med atmosfæretrykket i reservoaret, in figures 7, 8 and 9 a detergent dosing device where the detergent is stored in a resilient bag or bladder in a jar-type reservoir. Water flowing in a main channel in the device then produces a vacuum inside the springy bag, and this vacuum, together with the atmospheric pressure in the reservoir,

gjør at vaskemiddelet i posen doseres inn i vannet som strømmer i hovedkanalen til en børstehode-dyse. causes the detergent in the bag to be dosed into the water that flows in the main channel to a brush head nozzle.

I en annen utføringsform av en innretning der tilsetningsfluidet lagres i en fjærende blære i et reservoar, blir en del av primærfluidet, slik som vann, avledet inn i reservoaret for å utøve utvendig trykk på blæren for å få blæren til å avgi tilsetningsfluidet til primærfluidet som strømmer gjennom en hovedkanal i innretningen. Denne type innretning er vist i U.S. patent 3.166.096 tilhørende H. Lang, der vann som strømmer i et hovedrør ledes gjennom en hjelpeledning inn i et tilstøtende reservoar som opptar en elastisk blære som inneholder tilsetningsfluidet. Når det ikke er ønskelig å tilsette noe tilsetningsfluid til vannet som strømmer i hoved-røret, stenges en ventil i hjelpeledningen. In another embodiment of a device where the additive fluid is stored in a resilient bladder in a reservoir, a portion of the primary fluid, such as water, is diverted into the reservoir to exert external pressure on the bladder to cause the bladder to release the additive fluid to the primary fluid which flows through a main channel in the device. This type of device is shown in U.S. Pat. patent 3,166,096 belonging to H. Lang, where water flowing in a main pipe is directed through an auxiliary line into an adjacent reservoir which occupies an elastic bladder containing the additive fluid. When it is not desirable to add any additive fluid to the water flowing in the main pipe, a valve in the auxiliary line is closed.

U.S. patent 4.418.869 tilhørende J. W. Healy viser også en sprøyteinnretning der en del av vannet, når en styreventil flyttes til en operativ stilling for å tillate vannstrøm gjennom innretningen, avledes til et reservoar for å påføre trykk på en blære inneholdende tilsetningsfluidet. Tilsetningsfluidet blir så utporsjonert fra blæren gjennom én av et antall forskjellig dimensjonerte åpninger i en roterbar ring for å variere tilsetningsfluidstrømmen inn i vannet som strøm-mer gjennom innretningen til en utstrømningsdyse. Den roter-bare ring kan også anvendes til å avbryte utporsjoneringen av tilsetningsfluidet fra blæren. U.S. patent 4,418,869 to J. W. Healy also shows a spray device in which, when a control valve is moved to an operative position to allow water flow through the device, a portion of the water is diverted to a reservoir to pressurize a bladder containing the additive fluid. The additive fluid is then dispensed from the bladder through one of a number of differently sized openings in a rotatable ring to vary the additive fluid flow into the water flowing through the device to an outflow nozzle. The rotatable ring can also be used to interrupt the dispensing of the additive fluid from the bladder.

I en annen kjent innretning av blæretypen, som vist i U.S. patent 2.891.732 tilhørende R. H. Orter m.fl., innbefatter et kombinert dusjhode og såpespreder en bryter for å avbryte vannstrømmen i dusj hodet og lede vannet mot et stempel i et såpereservoar. Bevegelse av stempelet i såpereservoaret vil da tvinge såpen fra reservoaret ut gjennom en separat dyse i dette. In another known bladder type device, as shown in U.S. Pat. patent 2,891,732 belonging to R.H. Orter et al., includes a combined shower head and soap dispenser, a switch to interrupt the flow of water in the shower head and direct the water towards a plunger in a soap reservoir. Movement of the piston in the soap reservoir will then force the soap from the reservoir out through a separate nozzle in it.

Hittil har kjente sprøyte- eller doseringsinnretninger som ovenfor omtalt, vært begrenset når det gjelder deres an-vendelighet for flere formål. I denne forbindelse foreligger det et behov for en sprøyteinnretning av typen med tilsetningsfluid-tilførsel der primærfluidet eller tilsetningsfluidet kan sprøytes eller doseres i forskjellige sprøytemønstre, enten separat eller som en blanding med selektivt variable konsentrasjoner av tilsetningsfluidet i primærfluidet. Der er også et behov for en sprøyteinnretning hvor en sprøytedyse automatisk kan plasseres nær en gjenstand som sprøytes uten at det er nødvendig å plassere selve smelteinnretningen nær gjenstand-en, og hvor dysen lett kan tilbaketrekkes til en inoperativ stilling når sprøyteoperasjonen er fullført. Følgelig er det et formål med denne oppfinnelse å tilveiebringe en slik sprøyte-innretning som er av enkel, robust konstruksjon og billig i fremstilling. Until now, known spraying or dosing devices, as mentioned above, have been limited in terms of their applicability for several purposes. In this connection, there is a need for a spraying device of the type with additive fluid supply where the primary fluid or the additive fluid can be sprayed or dosed in different spray patterns, either separately or as a mixture with selectively variable concentrations of the additive fluid in the primary fluid. There is also a need for a spraying device where a spraying nozzle can automatically be placed near an object being sprayed without it being necessary to place the melting device itself near the object, and where the nozzle can be easily retracted to an inoperative position when the spraying operation is completed. Accordingly, it is an object of this invention to provide such a syringe device which is of simple, robust construction and inexpensive to manufacture.

I alminnelighet omfatter en sprøyteinnretning med en styrt tilførsel av tilsetningsfluid ifølge oppfinnelsen en koplingsanordning nær en inngangsåpning i innretningen for å kople en kanalanordning i innretningen til en primærfluidkilde. En styreanordning er anordnet i kanalanordningen for selektivt å avlede i det minste en del av primærfluidet ved et oppstrøms parti av kanalanordningen slik at primærfluidet utøver utvendig trykk på en sammenholdbar kammeranordning for å bevirke sammenfolding av kammeranordningen og utporsjonering av tilsetningsfluid i denne inn i et nedstrømsparti av kanalanordningen. Styreanordningen er selektivt bevegelig fra en inoperativ "AV"-stilling til en første operativ stilling der styreanordningen bare tillater primærfluidet å strømme gjennom kanalanordningen, og inn i en annen operativ stilling der styreanordningen avleder en del av primærfluidet slik at primærfluidet utøver utvendig trykk på kammeranordningen samtidig som primærfluidet tillates fortsatt å strømme gjennom kanalanordningen. In general, a syringe device with a controlled supply of additive fluid according to the invention comprises a coupling device near an entrance opening in the device to connect a channel device in the device to a primary fluid source. A control device is arranged in the channel device to selectively divert at least a portion of the primary fluid at an upstream portion of the channel device such that the primary fluid exerts external pressure on an interlocking chamber device to effect folding of the chamber device and dispensing of additive fluid therein into a downstream portion of the channel device. The control device is selectively movable from an inoperative "OFF" position to a first operative position in which the control device only allows the primary fluid to flow through the channel device, and into another operative position in which the control device diverts a portion of the primary fluid so that the primary fluid simultaneously exerts external pressure on the chamber device as the primary fluid is still allowed to flow through the channel arrangement.

Styreanordningen kan også beveges til en tredje operativ stilling der styreanordningen leder primærfluidet til å utøve utvendig trykk på kammeranordningen for utporsjonering av til-setningsf luidet inn i kanalanordningens nedstrømsparti for ut-strømning fra innretningen, samtidig som strømning av primærfluidet gjennom kanalanordningen for utstrømning fra innretningen utelukkes. En annen styreanordning kan også være anordnet for å styre mengden av tilsetningsfluid som utporsjoneres fra den sammenfoldbare kammeranordning. Dessuten kan en sprøytevelgeranordning være bevegelig montert nær en utstrøm-ningsåpning i innretningen og kan være utformet med et antall åpninger av forskjellig utforming, idet sprøytevelgeranord-ningen er bevegelig for å posisjonere respektive åpninger på linje med innretningens utstrømningsåpning for å variere formen på en fluidstrøm som stråler ut fra utstrømningsåpningen. Videre kan bevegelse av førstnevnte styreanordning til dens "AV"-stilling bevirke avlasting av primærfluidets trykk på kammeranordningen. The control device can also be moved to a third operative position where the control device directs the primary fluid to exert external pressure on the chamber device for portioning out the additive fluid into the downstream part of the channel device for outflow from the device, at the same time that flow of the primary fluid through the channel device for outflow from the device is excluded . Another control device can also be arranged to control the amount of additive fluid that is dispensed from the collapsible chamber device. Moreover, a syringe selector device can be movably mounted near an outflow opening in the device and can be designed with a number of openings of different designs, the syringe selector device being movable to position respective openings in line with the device's outflow opening to vary the shape of a fluid flow which radiating from the outflow opening. Furthermore, movement of the first-mentioned control device to its "OFF" position can cause relief of the pressure of the primary fluid on the chamber device.

Nærmere bestemt kan en sprøyteinnretning som har styrt tilførsel av tilsetningsfluid omfatte et hus som er åpent i en ende og som har en primærfluid-inngangsåpning og et parti av en fluid-kanalanordning utformet i huset. En fjærende eller elastisk blære som har en åpen ende er plassert i den åpne ende av huset for å holde et forråd av et tilsetningsfluid, og huset har en åpning i avstand fra husets åpne ender og blæren og gjennom hvilke primærfluidet kan strømme for å utøve utvendig trykk på blæren. Et kapselelement er montert på husets åpne ende i dekkende forhold til blærens åpne ende, og kapselelementet har også et parti av en fluid-kanalanordning utformet i kapsel-elementet på linje med partiet av kanalanordningen i huset. Dessuten har kapselelementet en åpning gjennom hvilken til-setningsf luidet kan strømme fra blærens åpne ende inn i kanalanordningen. Første styreorganer er montert i huset nær fluid-inngangsåpningen for selektivt å avlede i det minste en del av primærfluidet inn i åpningen i huset slik at primærfluidet ut-øver utvendig trykk på blæren for å bevirke sammenfolding av blæren og utporsjonering av tilsetningsfluidet fra blærens åpne ende gjennom åpningen i kapselelementet og inn i rørled-ningsanordningen. Når den første styreanordning er i en "AV"-stilling tillater de også primærfluidet som er blitt avledet til å utøve utvendig trykk på blæren, til å strømme ut fra huset og således avlaste trykket på blæren. Dessuten er en annen styreanordning montert på kapselelementet for å variere mengden av tilsetningsfluidet som utporsjoneres fra blærens åpne ende inn i kanalanordningen. Et langstrakt rør strekker seg fra kanalanordningen i kapselelementet og har en ytre ende nær en utstrømningsåpning i innretningen, og en sprøytevelger-anordning er bevegelig montert nær innretningens utstrømnings-åpning og den ytre ende av det langstrakte rør for å variere formen på en fluidstrøm som stråler ut fra utstrømningsåpningen. Den første styreanordning kan være en sammensatt dreibar fireveis styreventil, den andre styreanordning kan være i form av et dreibart montert skive-element med et antall gjennomgående åpninger av forskjellig størrelse, og sprøytevelgeranordningen kan være et dreibart montert skive-element med et antall gjennomgående åpninger av forskjellig størrelse og/eller form. More specifically, a spray device which has controlled the supply of additive fluid may comprise a housing which is open at one end and which has a primary fluid inlet opening and a portion of a fluid channel device formed in the housing. A resilient or elastic bladder having an open end is placed in the open end of the housing to hold a supply of an additive fluid, and the housing has an opening spaced from the open ends of the housing and the bladder and through which the primary fluid can flow to exert external pressure on the bladder. A capsule element is mounted on the open end of the housing in a covering relationship with the open end of the bladder, and the capsule element also has a part of a fluid channel device formed in the capsule element in line with the part of the channel device in the housing. In addition, the capsule element has an opening through which the additive fluid can flow from the open end of the bladder into the channel device. First control means are mounted in the housing near the fluid inlet opening for selectively diverting at least a portion of the primary fluid into the opening in the housing such that the primary fluid exerts external pressure on the bladder to effect collapsing of the bladder and dispensing of the additive fluid from the open end of the bladder through the opening in the capsule element and into the pipeline device. When the first control device is in an "OFF" position, they also allow the primary fluid that has been diverted to exert external pressure on the bladder to flow out of the housing and thus relieve pressure on the bladder. In addition, another control device is mounted on the capsule element to vary the amount of the additive fluid that is dispensed from the open end of the bladder into the channel device. An elongate tube extends from the channel means in the capsule member and has an outer end near an outflow opening in the device, and a spray selector device is movably mounted near the device outflow opening and the outer end of the elongate tube to vary the shape of a jetting fluid stream out from the outflow opening. The first control device can be a composite rotatable four-way control valve, the second control device can be in the form of a rotatably mounted disc element with a number of through openings of different sizes, and the spray selector device can be a rotatably mounted disc element with a number of through openings of different size and/or shape.

Spøyteinnretningen kan videre omfatte en teleskoperende sprøyterøranordning av spesiell konstruksjon som har en ut-strømningsåpning gjennom hvilken fluid sprøytes fra innretningen. Den teleskoperende sprøyterøranordning utskyves automatisk som reaksjon på trykket i det gjennomstrømmende fluid. Den teleskoperende sprøyterøranordning er også konstruert for lett å kunne oppta utskiftsbare sprøytedyser av forskjellig form for variering av formen til den fluidstrøm som stråler ut fra sprøyterøranordningen. The spraying device can further comprise a telescoping spray tube device of special construction which has an outflow opening through which fluid is sprayed from the device. The telescoping syringe tube device is automatically extended in response to the pressure in the flowing fluid. The telescoping spray tube device is also designed to easily accommodate interchangeable spray nozzles of different shapes for varying the shape of the fluid stream radiating from the spray tube device.

Oppfinnelsen skal i det følgende beskrives nærmere under henvisning til tegningene, hvor: Figur IA og IB er isometriske riss av en sprøyteinnretning i samsvar med oppfinnelsen, vist med delene skilt fra hverandre, Figur 2 viser et tverrsnitt av sprøyteinnretningen vist i figur IA og IB, med delene satt sammen, The invention shall be described in more detail in the following with reference to the drawings, where: Figures IA and IB are isometric views of a spraying device in accordance with the invention, shown with the parts separated from each other, Figure 2 shows a cross section of the spraying device shown in Figures IA and IB, with the parts assembled,

Figur 3 er et riss av en sammensatt fireveis styreventilFigure 3 is a diagram of a composite four-way control valve

i henhold til oppfinnelsen sett langs linjen 3-3 i figur 2, according to the invention seen along the line 3-3 in Figure 2,

Figur 4 er et isome-t-risk riss av en teleskoperende sprøyte-rør-enhet i utstrakt operativ tilstand, Figur 5 er et tverrsnitt i større målestokk av den teleskoperende sprøyterørenhet vist i figur 4 i inntrukket, inoperativ tilstand, og Figur 6 er et tverrsnitt i større målestokk langs linjen 6-6 i figur 5. Figure 4 is an isometric view of a telescoping syringe tube assembly in an extended operational state, Figure 5 is a larger scale cross section of the telescoping syringe tube assembly shown in Figure 4 in a retracted, inoperative state, and Figure 6 is a cross-section on a larger scale along the line 6-6 in figure 5.

I utføringsformen av oppfinnelsen illustrert på figur IA, IB og 2 er en sprøyteinnretning 10 vist i form av en sprøyte-vaskeinnretning omfattende en hoveddel- eller hus-seksjon 12 (figur IB og 2) og en kapsel-seksjon 14 (figur IA og 2) gjennom hvilke et primærfluid, slik som vann, kan strømme under en sprøyteoperasjon. Sprøyteinnretningen 10 omfatter videre en fjærende eller elastisk sammenfoldbar sylindrisk gummiblære 16 (figur IB og 2) som danner et kammer for et tilsetningsfluid, slik som såpe eller vaskemiddel, og hvorfra tilsetningsfluidet kan utporsjoneres under en sprøyteoperasjon ved å utøve utvendig trykk på blæren. In the embodiment of the invention illustrated in Figures IA, IB and 2, a syringe device 10 is shown in the form of a syringe washing device comprising a main part or housing section 12 (Figures IB and 2) and a capsule section 14 (Figures IA and 2 ) through which a primary fluid, such as water, can flow during a spraying operation. The syringe device 10 further comprises a springy or elastically collapsible cylindrical rubber bladder 16 (figures 1B and 2) which forms a chamber for an additive fluid, such as soap or detergent, and from which the additive fluid can be dispensed during a syringe operation by exerting external pressure on the bladder.

Hus-seksjonen 12 (figur IB og 2) omfatter et hus 18 av plast (f.eks. polyetylen) av stort sett sylindrisk konstruksjon, som har en åpen ende 18o og en i det vesentlige lukket ende 18c. En rundtløpende bæreflens 20 er anordnet rundt husets 18 åpne ende 18o. Et utstikkende koplingsparti 22 strekker seg fra et sylindrisk ventilmonteringsparti 23 nær husets 18 i det vesentlige lukkede ende 18c og er innvendig gjenget for tilkopling av huset til en vannkilde, slik som en have-slange eller rør 24, vist med brutte linjer nær nedre ende av figur 2. The housing section 12 (Figures 1B and 2) comprises a housing 18 of plastic (e.g. polyethylene) of generally cylindrical construction, which has an open end 18o and a substantially closed end 18c. A circumferential support flange 20 is arranged around the open end 18o of the housing 18. A protruding connection portion 22 extends from a cylindrical valve mounting portion 23 near the substantially closed end 18c of the housing 18 and is internally threaded for connecting the housing to a water source, such as a garden hose or pipe 24, shown in broken lines near the lower end of figure 2.

Husets 18 koplingsparti 22 og ventilmonteringsparti 23 omfatter et innvendig gjennomløp eller kanalparti 26 (best vist i figur 2) som danner et inngangsparti av en kanal for vannstrømmen gjennom huset.Koplingspartiet 22 kommuniserer The housing 18's connecting part 22 and valve mounting part 23 comprise an internal passage or channel part 26 (best shown in figure 2) which forms an entrance part of a channel for the flow of water through the house. The connecting part 22 communicates

med et langstrakt rørformet gjennomløp eller kanal 28 med vegger som er utformet i ett stykke med en innvendig vegg i huset 18 og som strekker seg i hele husets lengde (vertikalt i figur 1 og 2). Vannstrømmen fra inngangskanalen 26 inn i rørkanalen 28 styres av en sammensatt, dreibar, fireveis plastventil 30. with an elongated tubular passage or channel 28 with walls which are formed in one piece with an internal wall in the housing 18 and which extends the entire length of the housing (vertically in figures 1 and 2). The water flow from the entrance channel 26 into the pipe channel 28 is controlled by a composite, rotatable, four-way plastic valve 30.

Tilbakestrømning av vann i inngangskanalen 26 utelukkes ved hjelp av en énveis, tilbakeslags-plastventil 32 av egnet type. Backflow of water in the entrance channel 26 is excluded by means of a one-way non-return plastic valve 32 of a suitable type.

Den sammenfoldbare elastiske blære 16 kan plasseres i husets 18 åpne ende 18o inn i husets indre som vist i figur 2. Blæren 16 omfatter en åpen ende 16o og en rundtløpende bæreflens 36 av eksentrisk konstruksjon, som best vist i figur IB. Flensen 36 samvirker med den rundtløpende bæreflens 20 på huset 18 og omfatter et rundtløpende spor 38 (figur 2) som opptar en motsvarende tetningsring 40 på flensen 20. Et eksentrisk parti av flensen 36 omfatter en åpning 42 som er utformet i flensen slik at den er på linje med hus-rørkanalen 28. The collapsible elastic bladder 16 can be placed in the open end 18o of the housing 18 into the interior of the housing as shown in figure 2. The bladder 16 comprises an open end 16o and a circumferential support flange 36 of eccentric construction, as best shown in figure IB. The flange 36 cooperates with the circumferential support flange 20 on the housing 18 and comprises a circumferential groove 38 (figure 2) which occupies a corresponding sealing ring 40 on the flange 20. An eccentric part of the flange 36 comprises an opening 42 which is designed in the flange so that it is in line with the house-pipe channel 28.

Husets 18 stort sett lukkede endevegg 18c er utstyrt med en åpning 44 som forbinder inngangskanalen 26 til hus-koplingspartiet 22 og ventilmonteringspartiet 23 med det indre av huset, slik at vann selektivt kan innføres i huset for å utøve utvendig trykk på blæren 16 i huset, for å bevirke sammenfolding av blæren og derved utporsjonering av såpen eller vaskemidlet i denne gjennom en åpning 46 som er utformet- :i en vegg i et plast-kapselelement 48 av kapsel-seksjonen 14. I likhet med vannstrømmen fra inngangskanalen 26 inn i rør-kanalen 28, blir vann som strømmer fra inngangskanalen 26 The generally closed end wall 18c of the housing 18 is provided with an opening 44 which connects the inlet channel 26 to the housing coupling portion 22 and the valve mounting portion 23 with the interior of the housing, so that water can be selectively introduced into the housing to exert external pressure on the bladder 16 in the housing, to cause folding of the bladder and thereby dispensing of the soap or detergent therein through an opening 46 which is formed in a wall of a plastic capsule element 48 of the capsule section 14. Similar to the flow of water from the inlet channel 26 into the tube the channel 28, becomes water flowing from the input channel 26

inn i åpningen 44 inn i husets 18 indre styrt ved hjelp av den sammensatte, dreibare styreventil 30. into the opening 44 into the interior of the housing 18 controlled by means of the composite, rotatable control valve 30.

Den sammensatte, dreibare styreventil 30 er anordnet på tvers av inngangskanalen 26 til hus-koplingspartiet 22 og ventilmonteringspartiet 23 og er dreibart montert i ventilmonteringspartiet. Den dreibare styreventil 30 holdes i stilling i ventilmonteringspartiet 23 ved hjelp av en C-formet fjærklemme 50 som er anordnet i et rundtløpende spor 51 som er utformet i dreieventilen på dennes høyre side som sett i figur IB og 2. En indikatorskive 52, med gripeører 53, er enhetlig utformet på venstre side av dreie-styreventilen 30, som sett i figur IB og 2, og omfatter periferiske indikeringsspor 54-0, 54-W, 54-B og 54-S for selektivt å oppta en lokaliseringsribbe på en nedre side av en utstikkende, fjærende holdetapp 55 som er enhetlig utformet på huset 18, som best vist i figur IB. Dreie-styreventilen 30 bærer også passende O-ring-tetninger 56 for å utelukke utstrømning av vann gjennom inngangskanalen The composite, rotatable control valve 30 is arranged across the entrance channel 26 to the housing connection part 22 and the valve mounting part 23 and is rotatably mounted in the valve mounting part. The rotary control valve 30 is held in position in the valve mounting portion 23 by means of a C-shaped spring clip 50 which is arranged in a circumferential groove 51 which is formed in the rotary valve on its right side as seen in figures IB and 2. An indicator disc 52, with gripping ears 53, is integrally formed on the left side of the rotary control valve 30, as seen in Figures 1B and 2, and includes circumferential indicator grooves 54-0, 54-W, 54-B and 54-S for selectively receiving a locating rib on a lower side of a projecting, resilient holding tab 55 which is integrally formed on the housing 18, as best shown in figure IB. The rotary control valve 30 also carries suitable O-ring seals 56 to exclude outflow of water through the inlet channel

26 rundt ventilens motsatte ender.26 around the opposite ends of the valve.

Nærmere bestemt omfatter den sammensatte dreie-styreventil More specifically, it comprises the composite rotary control valve

30 et husparti 58 med en sylindrisk ytterflate, men med en del av huspartiet avskåret for å frilegge en innvendig sylindrisk flate 60 som generelt vender mot en retning hvorfra vann strøm-mer inn i inngangskanalen 26. Fire ventilporter 62, 64, 66 og 68 er utformet diametralt gjennom styreventilens 30 husparti 58, slik at en ende av hver port munner ut gjennom huspartiets sylindriske ytterflate og en motsatt ende av hver port munner ut gjennom huspartiet innvendige sylindriske flate 60. Som vist i figur 18 strekker porten 62 seg gjennom huspartiet 58 30 a housing portion 58 with a cylindrical outer surface, but with a portion of the housing portion cut away to expose an inner cylindrical surface 60 which generally faces a direction from which water flows into the inlet channel 26. Four valve ports 62, 64, 66 and 68 are designed diametrically through the housing part 58 of the control valve 30, so that one end of each port opens out through the cylindrical outer surface of the housing part and an opposite end of each port opens out through the internal cylindrical surface 60 of the housing part. As shown in Figure 18, the port 62 extends through the housing part 58

i en vinkel med vertikalretningen i en første retning (nedad til venstre i figur IB), portene 64 og 66, som er aksielt for-delt langs ventilens omdreiningsakse, strekker seg vertikalt og porten 68 strekker seg i en vinkel med vertikalretningen i en motsatt retning (nedad til høyre i figur IB). Portene 62 at an angle with the vertical direction in a first direction (downward to the left in Figure 1B), the ports 64 and 66, which are axially spaced along the axis of rotation of the valve, extend vertically and the port 68 extends at an angle with the vertical direction in an opposite direction (downwards to the right in figure IB). Gates 62

og 64, som selektivt kan innrettes på linje med hus-rørkanalen 28 for styring av vannstrømmen inn i rørkanalen, har forholds-vis stor diameter sammenlignet med portene 66 og 68 som selek- and 64, which can be selectively aligned with the housing pipe channel 28 for controlling the flow of water into the pipe channel, have a relatively large diameter compared to the ports 66 and 68 which select

tivt kan innrettes på linje med åpningen 44 i husets 18 endevegg 18c for styring av vannstrømmen gjennom åpningen inn i husets indre. O-ring-tetninger 6 9 er anordnet i motsvarende spor i husveggen 18c rundt inngangene til henholdsvis rør-kanalen 28 og åpningen 44. tively can be arranged in line with the opening 44 in the housing 18 end wall 18c for controlling the flow of water through the opening into the interior of the housing. O-ring seals 6 9 are arranged in corresponding grooves in the housing wall 18c around the entrances to the pipe channel 28 and the opening 44, respectively.

Som best vist i figur 2 omfatter husets 18 stort sett lukkede endevegg 18c et avløpshull 70 omgitt av en O-ring-tetning 71, og husets 18 sylindriske ventilmonteringsparti 23 omfatter et avløpshull 72, for avledning av vann fra husets indre og avlasting av trykk på blæren 16. I dette øyemed omfatter dreie-styreventilen 30 en avløpsport 73 som strekker seg diametralt gjennom ventilen og kan innrettes på linje med av-løpshullene 70 og 72 når ventilen er i en inoperabel "AV"-stilling. As best shown in Figure 2, the largely closed end wall 18c of the housing 18 comprises a drain hole 70 surrounded by an O-ring seal 71, and the cylindrical valve mounting part 23 of the housing 18 comprises a drain hole 72, for the drainage of water from the interior of the housing and the relief of pressure on the bladder 16. To this end, the rotary control valve 30 includes a drain port 73 which extends diametrically through the valve and can be aligned with the drain holes 70 and 72 when the valve is in an inoperable "OFF" position.

Ved bruk av den dreibare styreventil 3 0 vil dreining av ventilen i retning mot urviseren som sett i figur IB, slik at lokaliseringsribben på holdetappen 55 opptas i indikatorskivens 52 høyre spor 54-0 bevege ventilen til dens inoperative "AV"-stilling, i denne "AV"-stilling korresponderer ingen av portene 62 eller 64 med hus-rørkanalen 28, ingen av portene 66 eller 68 korresponderer med hus-åpningen 44, og avløpsporten 73 korresponderer med hus-avløpshullene 70 og 72. Når styreventilen 30 så dreies i retning med urviseren, som vist i figur IB, slik at holdetappens 55 lokaliseringsribbe opptas i indikatorskive-sporet 54-W, beveges ventilen inn i en første operativ stilling der porten 62 korresponderer med rørkanalen 28 for en "VANNSKYLLING"-operasjon. Ved deretter å dreie styreventilen 30 et ytterligere trinn med urviseren som vist i figur IB, slik at holdetappens 55 lokaliseringsribbe opptas i indikatorskive-sporet 54-B, vil styreventilen innta en annen operativ stilling der porten 64 og 66 korresponderer med henholdsvis hus-rørkanalen 28 og husåpningen 44, for en "SÅPE-OG-VANN"-utporsjoneringsoperasjon, der såpe i blæren 16 utporsjoneres og tilsettes vann nedstrøms i kapselelement-seksjonens 14 kapselelement 48, slik at blandet såpe og vann begge strømmer fra sprøyteinnretningen 10. Dreining av styreventilen 30 i retning med urviseren et ytterligere trinn i figur IB, for å plassere holdetappens 55 lokaliseringsribbe i skive-indikatorsporet 54-S, vil så bringe styreventilen i en tredje operativ tilstand der porten 68 korresponderer med hus-åpningen 44 for en "BARE SÅPE"-operasjon, hvor såpen utporsjoneres fra blæren 16 for utstrømning fra sprøyteinn-retningen 10, mens styreventilens 30 sentrale hus-parti 58 utelukker strømning av vann inn i hus-rørkanalen 28 og således utelukker utstrømning av vann fra sprøyteinnretningen. When using the rotatable control valve 30, turning the valve in an anti-clockwise direction as seen in figure IB, so that the locating rib on the retaining pin 55 is taken up in the indicator disk 52's right groove 54-0 will move the valve to its inoperative "OFF" position, in this "OFF" position none of the ports 62 or 64 correspond to the housing pipe channel 28, none of the ports 66 or 68 correspond to the housing opening 44, and the drain port 73 corresponds to the housing drain holes 70 and 72. When the control valve 30 is then turned in the direction clockwise, as shown in Figure 1B, so that the locating rib of the retaining pin 55 is received in the indicator disk groove 54-W, the valve is moved into a first operative position where the port 62 corresponds with the pipe channel 28 for a "WATER FLUSH" operation. By then turning the control valve 30 a further clockwise step as shown in figure IB, so that the locating rib of the holding pin 55 is taken up in the indicator disk groove 54-B, the control valve will assume another operational position where the ports 64 and 66 correspond respectively to the housing pipe channel 28 and the housing opening 44, for a "SOAP AND WATER" dispensing operation, where soap in the bladder 16 is dispensed and water is added downstream in the capsule element 48 of the capsule element section 14, so that mixed soap and water both flow from the spray device 10. Turning the control valve 30 clockwise a further step in Figure 1B, to place the retainer pin 55 locating rib in the disc indicator slot 54-S, will then bring the control valve into a third operative state where the port 68 corresponds to the housing opening 44 for a "SOAP ONLY"- operation, where the soap is portioned out from the bladder 16 for outflow from the spray device 10, while the central housing part 58 of the control valve 30 excludes the flow of another into the housing pipe channel 28 and thus excludes outflow of water from the spray device.

Såpen utporsjoneres fra blæren 16 gjennom åpningen 46The soap is dispensed from the bladder 16 through the opening 46

i kapselelementet 48 inn i et innvendig gjennomløp eller kanalparti 74 som er utformet i en utstikkende sokkel 75 i kapselelementet og som er innrettet på linje med rørkanalen 28 i huset 18. En fjernbar plugg 76, som omfatter en O-ring-tetning 78, er innskrudd i en åpning som er utformet i et sokkelparti 80 i kapselelementet 48, og gjennom hvilken blæren kan etterfylles med såpe fra en doseringsflaske (ikke vist) etter behov. Kapselelementet 48 er av en påsmekkingstype sli-at den kan monteres løsbart på husets 18 åpne ende 18o i dekkende forhold til blærens 16 åpne ende 16o, idet et ringformet spor 83 i blære-bæreflensen 36 opptar en tilsvarende ringformet tetningsring på kapselelementet, som vist i figur 2. in the capsule element 48 into an internal passage or channel portion 74 which is formed in a protruding base 75 in the capsule element and which is aligned with the pipe channel 28 in the housing 18. A removable plug 76, which comprises an O-ring seal 78, is screwed into an opening which is formed in a base part 80 in the capsule element 48, and through which the bladder can be refilled with soap from a dosing bottle (not shown) as needed. The capsule element 48 is of a slip-on type so that it can be releasably mounted on the open end 18o of the housing 18 in a covering relationship with the open end 16o of the bladder 16, an annular groove 83 in the bladder-carrying flange 36 occupying a corresponding annular sealing ring on the capsule element, as shown in figure 2.

Kapselseksjonen 14 omfatter et dreibart montert partielt plastskive-element 84 for selektivt å variere mengden av såpe som utporsjoneres fra blæren 16 gjennom åpningen 46 i kapsel-elementet 48. I dette øyemed er skive-elementet 84 utformet med et antall gjennomgående åpninger 86 av forskjellig diameter, og skive-elementet er dreibart montert for å bringe en valgt åpning på linje med åpningen 46 i kapselelementet 48. Såpe-strøm gjennom åpningen 46 på annen måte enn gjennom en av åpningene 86 i skive-elementet 84 utelukkes av en passende O-ring-tetning 87 (figur 2). Når ingen av åpningene 86 i skive-elementet 84 korresponderer med åpningen 46, kan skive-elementet anvendes til å supplere dreie-styreventilen 30 i å utelukke såpestrøm fra blæren 16. The capsule section 14 includes a rotatably mounted partial plastic disc member 84 to selectively vary the amount of soap dispensed from the bladder 16 through the opening 46 in the capsule member 48. To this end, the disc member 84 is designed with a number of through openings 86 of different diameters. , and the disc member is rotatably mounted to align a selected opening with the opening 46 in the capsule member 48. Soap flow through the opening 46 other than through one of the openings 86 in the disc member 84 is precluded by a suitable O-ring -seal 87 (figure 2). When none of the openings 86 in the disc element 84 correspond to the opening 46, the disc element can be used to supplement the rotary control valve 30 in excluding soap flow from the bladder 16.

Skive-elementet 84 er enhetlig utformet på en indre ende av en bæreaksel 89 som er dreibart montert i en utstikkende sokkel 90 på kapsel-elementet 48. En ytre ende av bæreakselen 89 er festet til en manøverarm 92 ved hjelp av en skrue 93. The disc element 84 is integrally formed on an inner end of a support shaft 89 which is rotatably mounted in a projecting socket 90 on the capsule element 48. An outer end of the support shaft 89 is attached to a maneuvering arm 92 by means of a screw 93.

Som vist i figur IA omfatter manøverarmen 92 en nedadragende indikeringsviser 94 som samvirker med passende markeringen 95 på toppen av kapselelementet 84. En passende O-ringtetning 96 omgir bæreakselen 89 i den utstikkende sokkel 90, som vist i figur 2. Sokkelen 90 er enhetlig forbundet med kapselelement-k sokkelen 75 ved hjelp av en forsterkningsvegg 97. As shown in Figure 1A, the maneuvering arm 92 includes a downwardly extending indicator pointer 94 which cooperates with the appropriate marking 95 on the top of the capsule member 84. A suitable O-ring seal 96 surrounds the support shaft 89 in the projecting base 90, as shown in Figure 2. The base 90 is integrally connected with capsule element-k the base 75 by means of a reinforcement wall 97.

Et fluidkanalparti i form av et langstrakt plastrør 98 som danner en forlengelse av den innvendige kanal 74 i kapsel-elementsokkelen 75, har en indre ende som med presspasning er innført i en rørholder 100, og har en ytre ende som med presspasning er innført i et plast-bæreelement 102 for et sprøyte-velger-skive-element 104 av plast. Rørholderen 100 omfatter et indre monteringsparti med en svak innad-avsmalning (f.eks. 1°) som med presspasning eller på annen måte er hensiktsmessig montert i den indre kanal 74 i kapsel-elementsokkelen 75, og som bærer et par passende O-ringtetninger 106. A fluid channel section in the form of an elongated plastic tube 98 which forms an extension of the internal channel 74 in the capsule element base 75, has an inner end which is inserted with a press fit into a tube holder 100, and has an outer end which is inserted with a press fit into a plastic carrier element 102 for a spray selector disk element 104 made of plastic. The tube holder 100 comprises an inner mounting portion with a slight inward taper (e.g. 1°) which is press fit or otherwise appropriately fitted into the inner channel 74 of the capsule element base 75, and which carries a pair of suitable O-ring seals 106.

Sprøytevelger-skiveelementet 104 er løsbart og dreibart montert på bære-elementet 102 ved hjelp av en sentral aksel 108 på skive-elementet, som strekker seg gjennom en åpning i bære-elementet, med en passende C-formet fjærklemme 110 anordnet i et tilhørende, rundtløpende spor i den sentrale aksel. Skive-elementet 104 er utformet med et antall gjennomgående åpninger 112 av forskjellig form, som selektivt kan innrettes på linje med en utstrømningsåpning 114 i bære-elementet 102 The spray selector disc member 104 is releasably and rotatably mounted on the carrier member 102 by means of a central shaft 108 on the disc member, which extends through an opening in the carrier member, with a suitable C-shaped spring clip 110 arranged in an associated, circumferential groove in the central shaft. The disc element 104 is designed with a number of through openings 112 of different shapes, which can be selectively aligned with an outflow opening 114 in the carrier element 102

og ytterenden av det langstrakte rør 98, for å frembringe forskjellige sprutmønstre for en fluidstrøm som stråler ut fra and the outer end of the elongate tube 98, to produce different spray patterns for a fluid stream radiating from

utstrømningsåpningen. F.eks. omfatter det viste sprøytevelger-skive-element 104 åpninger 112 i form av et hull med liten diameter (figur IA) for frembringelse av en fin sprut, et hull med større diameter (figur IA) for frembringelse av en grov sprut, the outflow opening. E.g. the shown spray selector disc element 104 comprises openings 112 in the form of a small diameter hole (Figure IA) for producing a fine spray, a larger diameter hole (Figure IA) for producing a coarse spray,

en langstrakt slisse (figur IA og 2) med innvendige sfærisk formede vegger for frembringelse av en grov viftesprut, og en lignende utformet, kortere slisse (figur IA) for frembringelse av en fin viftesprut. Skive-elementet 104 kan også fjernes fra bære-elementet 102 og erstattes av andre sprøytevelger-r skive-elementer (ikke vist) som har sprut-formende åpninger eller dyser med andre utforminger, etter ønske. En O-ring-tetning 116 (figur 2), som er anordnet i et motsvarende spor i bære-elementet 102, omgir utstrømningsåpningen 114 i bære- an elongated slot (Figures 1A and 2) with internal spherically shaped walls for producing a coarse fan spray, and a similarly designed, shorter slot (Figure 1A) for producing a fine fan spray. The disk element 104 can also be removed from the carrier element 102 and replaced by other spray selector disk elements (not shown) having spray-forming openings or nozzles of other designs, as desired. An O-ring seal 116 (figure 2), which is arranged in a corresponding groove in the carrier element 102, surrounds the outflow opening 114 in the carrier

elementet. Dessuten er et hevet utspring 118 anordnet på bære-elementets 102 for samvirke med en hensiktsmessig plassert for-dypning 120 (én vist i figur 2) i en motstående overflate på sprøytevelger-skiveelementet 104 for låsing av skive-elementet i hver av dets operative stillinger. the element. Also, a raised protrusion 118 is provided on the support member 102 to cooperate with an appropriately located recess 120 (one shown in Figure 2) in an opposing surface of the spray selector disc member 104 for locking the disc member in each of its operative positions. .

Figur 4, 5 og 6 viser en teleskoperende sprøyterørenhet 122 som kan anvendes istedenfor enheten som omfatter det i ett stykke utformede rør 98, rørholder 100, sprøytevelger-skive-bæreelement 102 og sprøytevelgerskiven 104, i sprøyteinnret-ningen 10 vist i figur 1, 2 og 3, for å utgjøre en modifisert sprøyteinnretning 10'. Sprøyterørenheten 122 er konstruert slik at enheten automatisk forlenges til en langstrakt operativ stilling, som vist i "figur 4, som reaksjon på trykk forårsaket av strømningen av et fluid gjennom rørenheten, slik at en dyse 124 som danner en utstrømningsåpning for rørenheten, plasseres tett inntil en gjenstand (ikke vist) som sprøytes. Når en sprøyteoperasjon er fullført, kan sprøyterørenheten 122 manuelt sammenskyves til en inntrukket, inoperativ tilstand som vist i figur 5. Figures 4, 5 and 6 show a telescoping spray tube unit 122 which can be used instead of the unit comprising the tube 98 formed in one piece, tube holder 100, spray selector disc carrier element 102 and the spray selector disc 104, in the spray device 10 shown in Figures 1, 2 and 3, to constitute a modified injection device 10'. The syringe tubing assembly 122 is constructed so that the assembly is automatically extended to an elongated operative position, as shown in "Figure 4, in response to pressure caused by the flow of a fluid through the tubing assembly, such that a nozzle 124 forming an outflow opening for the tubing assembly is placed close to an object (not shown) being sprayed When a spraying operation is completed, the spray tube assembly 122 may be manually retracted into a retracted, inoperative condition as shown in Figure 5.

Den teleskoperende sprøyterørenhet 122 omfatter et ytre plastrør 126, et mellomliggende plastrør 128, og et indre plast-rør 130 med utstrømningsdysen 124 løsbart montert på sin ytre ende. Et indre endeparti 132 av ytterrøret 126 har en slik innvendig diameter at det indre endeparti kan monteres over en utstikkende sokkel 75' på et kapsel-element 48' for sprøyte-innretningen 10', som vist i figur 4 og 5. I dette øyemed omfatter en nedre ende av ytterrøret 126 gjennomhullede, sideveis, utstikkende ører 134 (figur 4) som opptar respektive, oppad-stående styretapper 136 som er utformet på kapselelementet 48' på motsatte sider av sokkelen 75' og hvis øvre ender er av-flatet til nagleform for å holde den teleskoperende sprøyte-rørenhet 122 på kapsel-elementet 48'. En O-ring-tetning 137 for ytterrøret 126 er anordnet på en ringformet skulder ved en øvre ende av sokkelen 75'. The telescoping spray tube unit 122 comprises an outer plastic tube 126, an intermediate plastic tube 128, and an inner plastic tube 130 with the outflow nozzle 124 releasably mounted on its outer end. An inner end portion 132 of the outer tube 126 has such an inner diameter that the inner end portion can be mounted over a projecting base 75' on a capsule element 48' for the syringe device 10', as shown in Figures 4 and 5. In this regard, comprising a lower end of the outer tube 126 pierced, laterally projecting lugs 134 (Figure 4) which receive respective, upwardly standing guide pins 136 which are formed on the capsule element 48' on opposite sides of the base 75' and whose upper ends are flattened to the shape of a rivet to hold the telescoping syringe tube assembly 122 on the capsule member 48'. An O-ring seal 137 for the outer tube 126 is arranged on an annular shoulder at an upper end of the base 75'.

Ytterrøret 126 omfatter også en slisse 138 (figur 5) som strekker seg over en forsterkningsvegg 97' mellom sokkelen 75' og en kapselelement-sokkel 90'. Videre har et ytterende- The outer tube 126 also comprises a slot 138 (Figure 5) which extends over a reinforcement wall 97' between the base 75' and a capsule element base 90'. Furthermore, an extreme

parti 140 på ytterrøret 126 en redusert diameter for å be- portion 140 of the outer tube 126 a reduced diameter to

grense mellomrørets 128 utad teleskoperende bevegelse når sprøyterørenheten 122 er i utskjøvet stilling. limit the outward telescoping movement of the intermediate tube 128 when the syringe tube unit 122 is in the extended position.

Som vist på figur 5 omfatter en indre ende av mellom-røret 128 en ringformet flens 142 som kan opptas i ytter-røret 126 med liten innbyrdes avstand. I likhet med ytter-røret 126 har mellomrøret 128 et ytterendeparti 144 med redusert diameter for å begrense innerrørets 130 utad teleskoperende bevegelse når sprøyterørenheten 122 er i sin utstrakte stilling. Videre omfatter kapselelementsokkelen 75' en vertikalt innadrettet anslagsribbe 145 for å hindre innerrøret 130 fra å falle inn i sokkelens indre. As shown in Figure 5, an inner end of the intermediate tube 128 comprises an annular flange 142 which can be accommodated in the outer tube 126 with a small mutual distance. Like the outer tube 126, the intermediate tube 128 has an outer end portion 144 of reduced diameter to limit the outward telescoping movement of the inner tube 130 when the spray tube unit 122 is in its extended position. Furthermore, the capsule element base 75' comprises a vertically inwardly directed stop rib 145 to prevent the inner tube 130 from falling into the interior of the base.

En O-ringtetning 146 (figur 5) med sirkulært tverrsnitt omgir mellomrøret 128 og er anordnet mellom motstående over-flater på mellomrøret og ytterrøret 126. Når sprøyterør-enheten 12 2 er i inntrukket eller sammenskjøvet tilstand som vist i figur 5, er O-ringtetningen 14 6 normalt beliggende omtrent halvveis mellom mellomrørflensen 142 og ytterrørets 126 reduserte endeparti 140 som vist i nevnte figur. An O-ring seal 146 (Figure 5) with a circular cross-section surrounds the intermediate tube 128 and is arranged between opposing surfaces of the intermediate tube and the outer tube 126. When the syringe tube unit 12 2 is in a retracted or collapsed state as shown in Figure 5, the O-ring the ring seal 14 6 normally located approximately halfway between the intermediate pipe flange 142 and the reduced end portion 140 of the outer pipe 126 as shown in the aforementioned figure.

I likhet med mellomrøret 128 omfatter en indre ende på innerrøret 130 også en ringformet flens 148 som kan opptas i mellomrøret 128 med liten innbyrdes avstand. En O-ringtetning 150 med sirkulært tverrsnitt, som kan sammenlignes med O-ringtetningen 146, omgir innerrøret 130 omtrent halvveis mellom flensen 148 og mellomrørets 128 reduserte ytterendeparti 144, når sprøyterørenheten 122 er i inntrukket, sammenskjøvet tilstand som vist i figur 5. Like the intermediate tube 128, an inner end of the inner tube 130 also includes an annular flange 148 which can be accommodated in the intermediate tube 128 with a small mutual distance. An O-ring seal 150 with a circular cross-section, which can be compared to the O-ring seal 146, surrounds the inner tube 130 approximately halfway between the flange 148 and the reduced outer end portion 144 of the intermediate tube 128, when the syringe tube unit 122 is in a retracted, collapsed state as shown in Figure 5.

Som best vist i figur 6 omfatter et ytterendeparti 152As best shown in Figure 6, an outer end portion includes 152

på innerrøret 130 et par motsatt utstikkende låseknaster 154 som utgjør deler av en hurtig utløsende kopling for løsbart å montere utstrømningsdysen 124 på innerrøret. I denne hen-seende er dysen 124 utformet med en innvendig fatning i hvilken innerrørets 130 ytterendeparti 152 kan opptas i seteforbindelse mot en O-ringtetning 156. on the inner tube 130 a pair of oppositely projecting locking lugs 154 which form parts of a quick-release coupling for releasably mounting the outflow nozzle 124 on the inner tube. In this respect, the nozzle 124 is designed with an internal socket in which the outer end part 152 of the inner tube 130 can be accommodated in a seat connection against an O-ring seal 156.

Som vist på figur 5 og 6 innbefatter motsatte vegger i utstrømningsdysen 124 som danner fatningen i denne også hvert sitt av to stort sett rettvinklede slisser 158 for å oppta hver sin låseknast 154. Ved bruk blir dysen 124 innlednings-vis plassert på innerrørets 130 ytterendeparti 152 med låse- knastene 154 opptatt i aksielt forløpende partier av de rettvinklede slisser 158, og deretter dreies dysen noe for å an-ordne knastene i setepartier ved indre ender av rundtløpende partier av de rettvinklede slisser, for derved løsbart å låse dysen på innerrøret. Dysen 124 og andre dyser 160, vist ved venstre side av figur 2, som har en annen utforming og rettvinklede monteringsslisser identiske med slissene 158, kan således lett monteres innbyrdes utskiftbare på innerrøret 130 As shown in Figures 5 and 6, opposite walls of the outflow nozzle 124 which form the receptacle therein also each include two largely right-angled slots 158 to receive each a locking cam 154. In use, the nozzle 124 is initially placed on the outer end portion 152 of the inner tube 130 with the locking lugs 154 engaged in axially extending portions of the right-angled slots 158, and then the nozzle is rotated somewhat to arrange the lugs in seat portions at inner ends of circumferential portions of the right-angled slots, thereby releasably locking the nozzle on the inner tube. The nozzle 124 and other nozzles 160, shown on the left side of Figure 2, which have a different design and right-angled mounting slots identical to the slots 158, can thus easily be mounted interchangeably on the inner tube 130

for å frembringe forskjellige sprutmønstre, avhengig av den måte sprøyteinnretningen 10' etter ønske anvendes. I dette øyemed kan huset 18 vist i figur IB og 2 omfatte utstikkende mon-teringsknaster 162 for lagring av dysen 124 og|eller de andre utskiftbare dyser 160 på sprøyteinnretningen 10'. to produce different spray patterns, depending on the way the spray device 10' is used as desired. To this end, the housing 18 shown in Figures 1B and 2 may comprise protruding mounting lugs 162 for storing the nozzle 124 and/or the other replaceable nozzles 160 on the spray device 10'.

Ved bruk, når styreventilen 30 vist i figur 1-3 er betjent til sine "VANNSKYLLING" eller "SÅPE OG VANN"-stillinger for å bevirke at henholdsvis vann eller en såpe/vann-blanding strøm-mer gjennom sprøyteinnretningen 10' inn i den teleskoperende sprøyterørenhet 122, vil fluidtrykk på mellomrør-ringflensen 142 og innerrør-ringflensen 148 automatisk bringe henholdsvis mellomrøret 128 til å teleskopere utad i ytterrøret 126, og innerrøret 130 til å teleskopere utad i mellomrøret. Dysen 124 på innerrøret 130 kan således automatisk beveges nær inntil en gjenstand (ikke vist) for en sprøyteoperasjon som reaksjon på aktivisering av sprøyteinnretningen 10. (Den samme utstrekning av rørenheten 122 har en tendens til å forekomme, In use, when the control valve 30 shown in Figures 1-3 is operated to its "WATER RINSE" or "SOAP AND WATER" positions to cause water or a soap/water mixture, respectively, to flow through the spray device 10' into the telescoping spray tube assembly 122, fluid pressure on the intermediate tube annular flange 142 and the inner tube annular flange 148 will automatically cause the intermediate tube 128 to telescope outward into the outer tube 126, and the inner tube 130 to telescoping outward into the intermediate tube, respectively. The nozzle 124 on the inner tube 130 can thus automatically be moved close to an object (not shown) for a spraying operation in response to activation of the spraying device 10. (The same extension of the tube assembly 122 tends to occur,

om enn i en mindre grad, når styreventilen beveges til sin "BARE SÅPE" operative stilling.) Når sprøyteoperasjonen er fullført og sprøyteinnretningen 10' er slått av, kan røren-heten 122 sammenskyves manuelt tilbake til sin inntrukne tilstand som vist i figur 5, som ovenfor nevnt. (albeit to a lesser extent, when the control valve is moved to its "SOAP ONLY" operative position.) When the spraying operation is complete and the spraying device 10' is turned off, the stirrer assembly 122 can be manually retracted back to its retracted condition as shown in Figure 5, as mentioned above.

Når mellomrøret 128 og innerrøret 130 beveges fremad iWhen the intermediate tube 128 and the inner tube 130 are moved forward i

en teleskoperende operasjon, vil O-ringtetningene 146 og 150a telescoping operation, the O-ring seals 146 and 150 will

ha en tendens til å rulle forover med rørene for å lette deres fremføring. Som vist ved brutte linjer i figur 5 vil O-ringtetningene 146 og 150 til slutt ligge an mot ytterendepartiene 140 og 144 med redusert diameter på henholdsvis ytterrøret 126 og mellomrøret 128, med innerrør-ringendeflensen 142 og inner-rør-ringendeflensen 148 i anlegg mot sine respektive O-ring- tend to roll forward with the pipes to facilitate their advancement. As shown by broken lines in Figure 5, the O-ring seals 146 and 150 will eventually rest against the outer end portions 140 and 144 with a reduced diameter of the outer tube 126 and the intermediate tube 128, respectively, with the inner tube ring flange 142 and the inner tube ring flange 148 in contact with their respective O-rings

tetninger for å begrense rørenes utadbevegelse. Når sprøyte-rørenheten 122 er sammenskjøvet til sin inntrukne tilstand som ovenfor beskrevet, vil likeledes O-ringtetningene 146 og 150 rulle tilbake til sine mellomstillinger som vist med heltrukne linjer i figur 5, for å lette tilbaketrekning av rørelementene 126, 128 og 130. seals to limit the outward movement of the pipes. When the syringe tube assembly 122 is pushed together to its retracted state as described above, the O-ring seals 146 and 150 will likewise roll back to their intermediate positions as shown in solid lines in Figure 5, to facilitate retraction of the tube elements 126, 128 and 130.

Sammenfatningsvis er der tilveiebragt en ny og forbedret sprøyteinnretning 10 der et primærfluid, slik som vann, og et tilsetningsfluid, slik som såpe, kan sprøytes eller utporsjoneres enkeltvis i forskjellige sprutmønstre, eller som en blanding med selektivt variable konsentrasjoner av tilsetningsfluidet i primærfluidet. Styring for denne oppgave tilveiebringes dels ved hjelp av den sammensatte fireveis-styreventil 30 som kan beveges fra en inoperativ "AV"-stilling til en første, andre og tredje "VANNSKYLLING", "SÅPE OG VANN" og "BARE SÅPE" operative stillinger. Ytterligere styring av konsentrasjonen av tilsetningsfluidet i primærfluidet tilveiebringes av kapsel-seksjonens 14 dreibare skive-element 84 og åpningene 86 med forskjellig diameter i skive-elementet. Dessuten tilveiebringes forskjellige sprutmønstre for ulike anvendelser ved hjelp av det dreibare sprøytevelger-skiveelement 104 som har gjennomgående åpninger 112 av forskjellig form og selektivt posisjoner-bare i flukt med utstrømningsåpningene 114 i det tilhørende bære-element 102. Sprøyteinnretningens 10 konstruksjon er også slik at den teleskoperende sprøyterørenhet 122, med mindre endringer i kapselelementsokkelens 75 konstruksjon, kan anvendes for å tilveiebringe en modifisert sprøyteinnretning 10' dersom dette er ønskelig. In summary, a new and improved spraying device 10 has been provided in which a primary fluid, such as water, and an additive fluid, such as soap, can be sprayed or dispensed individually in different spray patterns, or as a mixture with selectively variable concentrations of the additive fluid in the primary fluid. Control for this task is provided in part by means of the compound four-way control valve 30 which can be moved from an inoperative "OFF" position to a first, second and third "WATER RINSE", "SOAP AND WATER" and "SOAP ONLY" operative positions. Further control of the concentration of the additive fluid in the primary fluid is provided by the capsule section 14 rotatable disk element 84 and the openings 86 of different diameters in the disk element. In addition, different spray patterns are provided for different applications by means of the rotatable spray selector disc element 104 which has through openings 112 of different shapes and can be selectively positioned flush with the outflow openings 114 in the associated carrier element 102. The construction of the spray device 10 is also such that the telescoping spray tube unit 122, with minor changes in the capsule element base 75 construction, can be used to provide a modified spray device 10' if this is desired.

Claims

1. Syringe device with controlled supply of additive fluid, characterized in that it includes: a channel device for conducting fluid between an inlet opening and an outflow opening in the device; a coupling means near the device inlet opening for connecting the channel means to a near fluid source; a collapsible chamber device for holding a supply of an additive fluid, which chamber device communicates with the channel device and becomes collapsible in response to external pressure to dispense the additive fluid into the channel device; and a control valve arranged in the channel device to selectively divert at least part of the primary fluid at an upstream portion of the channel device so that the primary fluid exerts external pressure on the chamber device to cause folding of the chamber device and portioning of the additive fluid in a downstream portion of the channel device; which control valve is movable from an inoperative position in which no fluid flows through the channel arrangement to a first operative position in which the control valve only allows the primary fluid to flow through the channel arrangement, and to a second operative position in which the control valve diverts part of the primary fluid so that the diverted primary fluid exerts external pressure on the chamber device to cause the additive fluid in the chamber device to be portioned out in the primary fluid flowing through the channel device.

2. Spraying device according to claim 1, characterized in that the control valve is a rotary valve with a first port which is operative when the valve is in the first operative position, and with a second and third port which are operative when the valve is in the second operative position.

3. Syringe device according to claim 1, characterized in that the control valve can also be moved to a third operative position where the control valve directs the primary fluid so that the primary fluid exerts external pressure on the chamber device to portion out the additive fluid in the downstream part of the channel device for outflow from the device through the outflow opening, at the same time that flow of the primary fluid through the channel device for outflow from the device through the outflow opening is excluded.

4. Spray device according to claim 3, characterized in that the control valve is a rotary valve with a first port which is operative when the valve is in the first operative position, second and third ports which are operative when the valve is in the second operative position, and a fourth port which is operative when the valve is in the third operative position.

5. Spraying device according to claim 1, characteristic e-:: r t in that it further comprises a control device near the collapsible chamber device to vary the amount of additive fluid which is portioned out from the chamber device into the channel device.

6. Spraying device according to claim 5, characterized in that the control device is a rotatably mounted disc element with a number of through openings of different sizes.

7. Spray device according to claim 1, characterized in that it further comprises a spray selector device which is movably mounted near the outflow opening of the device and has a number of through openings of different shapes, which spray selector device is movable to position respective openings therein in line with the outflow opening of the device to vary the shape of a fluid stream radiating from the outflow orifice.

8. Spray device according to claim 7, characterized in that the spray selector device is a rotatably mounted disk element.

9. Syringe device with controlled supply of additive fluid, characterized in that it includes: a channel device for conducting fluid between an inlet opening and an outflow opening in the device; a coupling means near the device inlet opening for connecting the channel means to a near fluid source; a collapsible chamber device for holding a supply of an additive fluid, which chamber device communicates with the channel device and becomes collapsible in response to external pressure to dispense the additive fluid into the channel device; and a control valve arranged in the channel device to selectively divert at least part of the primary fluid at an upstream portion of the channel device so that the primary fluid exerts external pressure on the chamber device to cause folding of the chamber device and portioning of the additive fluid in a downstream portion of the channel device; which control valve is movable from an inoperative position in which no fluid flows through the channel arrangement to a first operative position in which the control valve only allows the primary fluid to flow through the channel arrangement, and to a second operative position in which the control valve diverts part of the primary fluid so that the diverted primary fluid exerts external pressure on the chamber device to cause the additive fluid in the chamber device to be dispensed into the primary fluid flowing through the channel device; which control valve is selectively movable to a first operative position in which the control valve only allows the primary fluid to flow through the channel device, a second operative position in which the control valve diverts a portion of the primary fluid such that the diverted primary fluid exerts external pressure on the collapsible chamber device for dispensing the additive fluid into the primary fluid which flows through the channel device, and a third operative position in which the control valve directs the primary fluid so that the primary fluid exerts pressure on the collapsible chamber device to dispense additive fluid into the channel device for outflow through the outflow opening of the device, at the same time as flow of the primary fluid through the channel device for outflow through the outflow opening - the opening is excluded.

10. Spraying device according to claim 9, characterized in that the control valve is a rotary valve with a first port which is operative when the valve is in the first operative position, second and third ports which are operative when the valve is in the second operative position, and a fourth port which is operative when the valve is in the third operative position.

11. Syringe device according to claim 10, characterized in that it further comprises: a control device mounted near the collapsible chamber device to vary the amount of the second fluid dispensed from the chamber device into the channel device.

12. Spraying device according to claim 11, characterized in that the control device is a rotatably mounted disc element with a number of through openings of different sizes.

13. Spray device according to claim 9, characterized in that it further comprises a spray selector device which is movably mounted close to the outflow opening of the device and has a number of through openings of different shapes, which spray selector device is movable to position respective openings therein in line with the outflow opening of the device to vary the shape of a fluid stream radiating from the outflow opening.

14. Spray device according to claim 13, characterized in that the spray selector device is a rotatably mounted disk element.

15. Syringe device with controlled supply of additive fluid, characterized in that it includes: a channel device for directing fluid between an inlet opening and an outflow opening in the device; a housing which is open at the first end, in which housing the device entrance opening is formed near another opposite end and which housing is also formed a part of the device's channel means, which part of the device's channel means formed in the housing includes an elongated tubular passage which is formed in one with a wall in the house and extending from the other end to the first open end in the house, a coupling device on the housing near the entrance opening in the housing for connecting the portion of the channel means in the housing with a channel for introducing a primary fluid into the channel means; an elastic bladder having an open end and located in the open end of the housing to hold a supply of an additive fluid, which housing has an opening near the other end of the housing and through which the primary fluid can flow to exert external pressure on the bladder; a capsule element which is mounted on the open end of the housing in a covering relationship with the open end of the bladder, which capsule element is also formed with a portion of the channel arrangement in line with the portion of the channel arrangement in the housing, including the elongated tubular passage, and having an opening through which the additive fluid can flow from the open end of the bladder into the channel arrangement of the device; a first control device mounted in the housing near the entrance opening in the housing for selectively diverting at least a portion of the primary fluid into the opening in the housing such that the primary fluid exerts external pressure on the bladder to effect collapsing of the bladder and dispensing of supplemental fluid from the open end of the bladder through the opening in the capsule element and into the channel arrangement of the device; and another control device which is mounted on the capsule element to vary the amount of additive fluid which is dispensed from the open end of the bladder into the channel arrangement of the device.

16. Syringe device according to claim 15, characterized in that the first control device is selectively movable to an inoperative "OFF" position, a first operative position where the first control device allows only the primary fluid to flow through the channel device of the device, another operative position where the first control device diverts a portion of the primary fluid through the opening in the housing to exert external pressure on the bladder, while allowing the primary fluid to flow through the channel means of the device, and a third operative position in which the first control device directs the primary fluid through the opening in the housing to exert external pressure on the bladder and thereby portion out the additive fluid into the device's channel device for outflow through the device's outflow opening, while at the same time preventing the primary fluid from flowing through the device's channel device for outflow through the outflow opening.

17. Spraying device according to claim 16, characterized in that the first control device is a rotary valve with a first port which is operative when the valve is in the first operative position, second and third ports which are operative when the valve is in the second operative position, a fourth port which is operative when the valve is in the third operative position, and a fifth port for draining the primary fluid from the housing and relieving pressure in the bladder when the valve is in the inoperative "OFF" position.

18. Spraying device according to claim 17, characterized in that the second control device is a rotatably mounted disk element with a number of through openings of different sizes.

19. Syringe device according to claim 18, characterized in that it further comprises an elongated tube that extends from the capsule element in line with the part of the channel device in the capsule element, which elongated tube also delimits a part of the device's channel device and has an extreme end close to the device's inflow opening; and a syringe selector device which is movably mounted near the inflow opening of the device and the outer end of the long . stretched tubes, and having a number of different, through-form designs, which spray selector device is movable to position respective openings in line with the outflow opening of the device to vary the shape of a fluid stream radiating from the outflow opening.

20. Spray device according to claim 19, characterized in that the spray selector device is a rotatably mounted disk element.

21. Syringe device according to claim 1, characterized in that it further comprises: a telescoping spray tube device which forms part of the channel device and includes the spray device's outflow opening, for spraying fluid from the device.

22. Syringe device according to claim 21, characterized in that the telescoping syringe tube device comprises means for automatically extending a part of the syringe tube device outwards in response to pressure produced by fluid flowing through the syringe tube device.

23. Syringe device according to claim 22, characterized in that the telescoping syringe tube device comprises an outer tube and in addition at least one inner tube which is movably arranged back and forth in the outer tube and can be extended in relation to the outer tube; that the automatically extendable means comprises an annular flange on an inner end of the inner tube which responds to fluid pressure to cause outward movement of the inner tube relative to the outer tube; and that the outer tube comprises a movement-limiting device at an outer end thereof, which cooperates with the ring flange to limit outward movement of the flange and the inner tube in the outer tube.

24. Syringe device according to claim 23, characterized in that it further comprises an annular seal which surrounds the inner tube between the inner tube and the outer tube for rolling movement with the inner tube when the inner tube moves back and forth in the outer tube, which seal can roll to an intermediate position between the ring flange on the inner tube and the ring flange movement limiting device on the outer end of the outer tube when the inner tube is retracted, and against the ring flange movement limiting device on the outer tube when the inner tube is extended.

25. Syringe device according to claim 23, characterized in that a capsule element comprises a protruding base which delimits at least part of the portion of the channel device which is formed in the capsule element; that an inner portion of the outer tube of the telescoping syringe device is mounted on the base and includes laterally projecting perforated lugs near its inner end; and that the capsule element comprises protruding mounting studs on opposite sides of the base and arranged in laterally protruding ears on the outer tube.

26. Syringe device according to claim 25, characterized in that the protruding base of the capsule element comprises an internal stop member to prevent movement of the inner tube into the base.

27. Telescoping spray tube unit characterized in that it comprises: an outer tube with a continuous flow channel and with inner and outer ends; at least one further inner tube with a continuous flow channel and with inner and outer ends, which inner tube is removably mounted in the outer tube and can be extended outwards in relation to the outer tube; a surface device on the inner end of the inner tube, responsive to pressure caused by fluid flowing through the tube assembly, to cause the inner tube to move in the outer tube outwardly relative to the outer tube; a movement limiting device on the outer end of the outer tube, which cooperates with the surface device on the inner end of the inner tube to limit outward movement of the inner tube in the outer tube; and an annular seal that surrounds the inner tube between the inner tube and the outer tube for rolling movement in the inner tube when the inner tube moves back and forth in the outer tube, the seal being able to roll to an intermediate position between the surface device on the inner tube and the movement limiting device on the outer end of the outer tube when the inner tube is retracted, and can roll towards the movement limiting device when the inner tube is extended.

28. Telescopic spray tube unit according to claim 27, characterized in that the surface device on the inner end of the inner tube is formed by an annular flange.

29. Telescopic spray tube unit according to claim 28, characterized in that it further comprises an outflow nozzle of preselected shape which is releasably mounted on the outer end of the inner tube by means of a quick release coupling including protruding knobs on an outer end of the inner tube engaged in respective right-angled slots in the outflow nozzle.

30. Telescoping spray tube unit according to claim 27, characterized in that the inner end of the outer tube comprises laterally protruding perforated ears for mounting the telescoping spray tube unit on an associated device.

31. Syringe device according to claim 1, characterized in that it further comprises: a housing open at the first end to receive the collapsible chamber device, which housing is formed with the device entrance opening near another opposite end and is formed with a portion of the device's channel means, the portion of the device's channel means formed in the housing comprising a elongated tubular passage which is integrally formed with the wall of the housing and extends from the second end of the housing to the first open end of the housing; and a capsule element which is mounted at the first end of the housing in a covering relationship with the collapsible chamber device and has a portion of the channel arrangement of the device formed in line with the portion of the channel arrangement formed in the housing, including the elongate tubular passageway, and also having an opening through which the additive fluid can flow from the collapsible chamber device into the channel device of the device.

32. Syringe device according to claim 31, characterized in that the housing also has an opening near the other end of the housing and through which the primary fluid flows to exert external pressure on the collapsible chamber device.

33. Spray device according to claim 32, characterized in that the valve is arranged in the channel device near the other end of the housing.

34. Syringe device according to claim 4, characterized in that the rotary valve is also selectively movable to an inoperative "OFF" position and comprises a fifth port for diverting the primary fluid and relieving pressure on the collapsible chamber device when the valve is in the inoperative "OFF" position score.

35. Syringe device according to claim 15, characterized in that the first control device is selectively movable to an inoperative "OFF" position, a first operative position where the first control device allows only the primary fluid to flow through the channel device of the device, and another operative position where the first control device diverts part of the primary fluid through the opening in the housing to exert external pressure on the bladder.

36. Syringe device according to claim 35, characterized in that the first control device) is a rotary valve with a first port which is operative when the valve is in the first operative position, and with second and third ports which are operative when the valve is in the second operative position .

37. Spraying device according to requirements. 24, characterized in that the intermediate position of the ring-shaped seal when the inner tube is retracted is roughly halfway between the ring flange on the inner tube and the ring flange movement-limiting device on the outer tube.

38. Spraying device according to claim 27, characterized in that the middle position of the ring seal when the inner tube is retracted is roughly halfway between the ring flange on the inner tube and the ring flange movement limiting device on the outer tube.