ITBO20100582A1 - EROGRATORY UNIT OF ADHESIVE SUBSTANCE. - Google Patents
EROGRATORY UNIT OF ADHESIVE SUBSTANCE. Download PDFInfo
- Publication number
- ITBO20100582A1 ITBO20100582A1 IT000582A ITBO20100582A ITBO20100582A1 IT BO20100582 A1 ITBO20100582 A1 IT BO20100582A1 IT 000582 A IT000582 A IT 000582A IT BO20100582 A ITBO20100582 A IT BO20100582A IT BO20100582 A1 ITBO20100582 A1 IT BO20100582A1
- Authority
- IT
- Italy
- Prior art keywords
- adhesive substance
- tubular body
- permanent magnet
- dispensing unit
- unit according
- Prior art date
Links
- 239000000853 adhesive Substances 0.000 title claims description 25
- 230000001070 adhesive effect Effects 0.000 title claims description 25
- 239000000126 substance Substances 0.000 title claims description 23
- 239000003302 ferromagnetic material Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000009849 deactivation Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
- B05B1/3033—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head
- B05B1/304—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve
- B05B1/3046—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice
- B05B1/3053—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the control being effected by relative coaxial longitudinal movement of the controlling element and the spray head the controlling element being a lift valve the valve element, e.g. a needle, co-operating with a valve seat located downstream of the valve element and its actuating means, generally in the proximity of the outlet orifice the actuating means being a solenoid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0204—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work for applying liquid or other fluent material to the edges of essentially flat articles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0651—One-way valve the fluid passing through the solenoid coil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0644—One-way valve
- F16K31/0655—Lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/08—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet
- F16K31/082—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid using a permanent magnet using a electromagnet and a permanent magnet
Description
D E S C R I Z I O N E DESCRIPTION
dell'invenzione industriale dal titolo: of the industrial invention entitled:
"Unità erogatrice di sostanza adesiva." "Adhesive substance dispensing unit."
La presente invenzione è relativa ad una unità erogatrice di sostanza adesiva, del tipo, ad esempio, utilizzato in macchine confezionatrici di prodotti da fumo, ed in particolare nelle macchine impacchettatrici di sigarette. The present invention relates to an adhesive substance dispensing unit, of the type, for example, used in packaging machines for smoking products, and in particular in cigarette packaging machines.
Secondo quanto noto in tali macchine viene applicata sugli spezzoni di materiale d’incarto destinati a costituire, attraverso una successione di operazioni di piegatura, gli involucri di gruppi di sigarette, in posizioni determinate, una pluralità di tracce di sostanza adesiva presentanti una forma sostanzialmente circolare. According to what is known, in such machines a plurality of traces of adhesive substance having a substantially circular shape are applied on the pieces of wrapping material intended to constitute, through a succession of folding operations, the wrappers of groups of cigarettes, in determined positions. .
I gommatori utilizzati a tale scopo comprendono un ugello, provvisto di mezzi valvolari di apertura e di chiusura del relativo foro erogatore. The gummers used for this purpose comprise a nozzle, provided with valve means for opening and closing the relative dispensing hole.
Condizione di primaria importanza per il corretto funzionamento di tali gommatori, che nelle più moderne macchine impacchettatrici operano ad elevatissima frequenza, è la ermetica chiusura, dopo ogni emissione di sostanza adesiva, del citato foro. A condition of primary importance for the correct functioning of these gummers, which in the most modern packaging machines operate at very high frequency, is the hermetic closure, after each emission of adhesive substance, of the aforementioned hole.
Ove ciò non avvenga le tracce di sostanza adesiva assumono forme indesiderate e inoltre schizzi e gocce possono imbrattare gli spezzoni di materiale d’incarto e la macchina impacchettatrice. If this does not happen, the traces of the adhesive substance take on unwanted shapes and also splashes and drops can dirty the pieces of wrapping material and the packing machine.
Nelle unità erogatrici di tipo noto l’ugello presenta una forma sostanzialmente cilindrica cava, e aH’intemo di esso i mezzi valvolari sono costituiti da un corpo scorrevole coassialmente all’ugello stesso in maniera da spostare un proprio elemento terminale di chiusura fra una posizione di blocco o di chiusura ed una posizione di apertura del citato foro. In the dispensing units of the known type, the nozzle has a substantially cylindrical hollow shape, and inside it the valve means consist of a body sliding coaxially to the nozzle itself so as to move its own terminal closing element between a position of locking or closing and an opening position of the aforementioned hole.
In talune unità erogatrici di tipo noto il movimento di apertura avviene al comando di mezzi elettromagnetici operanti in contrasto con mezzi elastici a molla, mentre il movimento di chiusura del foro avviene per azione della molla stessa. In certain dispensing units of known type, the opening movement takes place under the command of electromagnetic means operating in contrast with elastic spring means, while the closing movement of the hole takes place by the action of the spring itself.
I mezzi valvolari di questo tipo presentano Γ inconveniente che, a causa di tale sistema di chiusura di tipo elastico, il suddetto elemento terminale, in particolare a frequenze di funzionamento elevate, prima di stabilizzarsi nella posizione di blocco del foro è soggetto a vibrazioni con conseguente fuoriuscita dall’ugello di schizzi di materiale adesivo. The valve means of this type have a drawback that, due to this elastic type closing system, the aforementioned terminal element, in particular at high operating frequencies, before stabilizing in the hole locking position is subject to vibrations with consequent splashing of adhesive material from the nozzle.
Scopo della presente invenzione è fornire una unità erogatrice di sostanza adesiva in grado di superare Γ inconveniente evidenziato con riferimento alla tecnica nota. The object of the present invention is to provide an adhesive substance dispensing unit capable of overcoming the drawback highlighted with reference to the known art.
In accordo con la presente invenzione viene realizzata una unità erogatrice di materiale adesivo secondo quanto enunciato in una o più delle rivendicazioni allegate. In accordance with the present invention, an adhesive material dispensing unit is provided according to what is stated in one or more of the attached claims.
La presente invenzione verrà ora descritta con riferimento ai disegni annessi, che ne illustrano un esempio di attuazione non limitativo, in cui: The present invention will now be described with reference to the attached drawings, which illustrate a non-limiting example of embodiment, in which:
- la figura 1 mostra una vista in sezione dell’ unità erogatrice di sostanza adesiva secondo la presente invenzione; - Figure 1 shows a sectional view of the adhesive substance dispensing unit according to the present invention;
- la figura 2 mostra l’unità della figura 1 in una seconda condizione di funzionamento ed in scala maggiorata; e - figure 2 shows the unit of figure 1 in a second operating condition and on an enlarged scale; And
- la figura 3 e 4 illustrano rispettivamente una seconda e una terza forma di realizzazione di un particolare della figura 1. - Figures 3 and 4 show respectively a second and a third embodiment of a detail of Figure 1.
Nella figura 1 è illustrata nel suo complesso una unità erogatrice di sostanza adesiva comprendente un ugello erogatore 1 , facente parte di una macchina impacchettatrice di sigarette non illustrata. Figure 1 illustrates as a whole an adhesive substance dispensing unit comprising a dispensing nozzle 1, which is part of a cigarette packing machine not illustrated.
L’ugello 1 presenta una forma sostanzialmente cilindrica ad asse longitudinale A ed è solitamente fissato ad una parete verticale 2 della citata macchina tramite mezzi a vite 3. The nozzle 1 has a substantially cylindrical shape with a longitudinal axis A and is usually fixed to a vertical wall 2 of the aforementioned machine by means of screw means 3.
Tale ugello 1 comprende un corpo tubolare 4 interposto fra un blocco superiore 5 ed una testa 6 inferiore conformata in estremità a tronco di cono. Said nozzle 1 comprises a tubular body 4 interposed between an upper block 5 and a lower head 6 shaped at the end in a truncated cone.
La testa 6 definisce al suo interno un vano 7 collegato con l’estemo, in corrispondenza del suo vertice 8, con un foro di erogazione 9, coassiale al citato asse longitudinale A. The head 6 defines inside a compartment 7 connected with the outside, at its vertex 8, with a delivery hole 9, coaxial to the aforementioned longitudinal axis A.
Fra la parete cilindrica 10 del corpo tubolare 4 ed un cannotto 1 1 ad esso interno e coassiale è definita una camera anulare 12, entro la quale è alloggiato un elettromagnete 13. An annular chamber 12 is defined between the cylindrical wall 10 of the tubular body 4 and an inner and coaxial sleeve 11, within which an electromagnet 13 is housed.
Con 14 è indicata un’apertura, praticata nel blocco 5, di sbocco di un condotto di alimentazione della sostanza adesiva all’ugello 1. 14 indicates an opening, made in block 5, for the outlet of a duct for feeding the adhesive substance to nozzle 1.
Il cannotto 11 definisce internamente una camera cilindrica 15 occupata in una sua porzione superiore da un corpo tubolare 16 solidale al blocco 5 ed in una sua porzione inferiore da un corpo tubolare 17. Tale corpo tubolare 17 risulta scorrevole assialmente entro la camera 15, ed alla sua estremità inferiore si protende un elemento 18 destinato, a seconda della sua posizione, alla chiusura o all’apertura del foro di erogazione 9. The sleeve 11 internally defines a cylindrical chamber 15 occupied in an upper portion of it by a tubular body 16 integral with the block 5 and in a lower portion thereof by a tubular body 17. This tubular body 17 is axially sliding within the chamber 15, and in the lower portion thereof. its lower end extends an element 18 intended, depending on its position, for closing or opening the dispensing hole 9.
Il corpo tubolare 17 e l’elemento 18 costituiscono nel loro insieme ciò che nel seguito verrà definito “mezzi valvolari” o “dispositivo otturatore” 19 dell’ugello 1. The tubular body 17 and the element 18 together constitute what will be referred to below as "valve means" or "shutter device" 19 of the nozzle 1.
Secondo quanto illustrato nella figura 1, nella condizione di chiusura del foro 9 di erogazione il corpo tubolare 17 del dispositivo otturatore 19 risulta distanziato assialmente, di un tratto indicato con D, dal corpo tubolare 16 superiore fisso. According to what is illustrated in Figure 1, in the closed condition of the dispensing hole 9, the tubular body 17 of the shutter device 19 is axially spaced, by a portion indicated with D, from the fixed upper tubular body 16.
Il corpo tubolare 16 ed il corpo tubolare 17 definiscono al loro interno un condotto 20 occupato da una tubazione 21 collegata superiormente all’apertura 14 d’ingresso tramite fori 22 ed inferiormente, tramite fori 23, al vano 7 interno della testa 6. The tubular body 16 and the tubular body 17 define internally a duct 20 occupied by a pipe 21 connected at the top to the inlet opening 14 through holes 22 and below, through holes 23, to the compartment 7 inside the head 6.
Si osservi come il condotto 20 di alimentazione di sostanza adesiva sia completamente coassiale al corpo tubolare 17 e come sfoci in un vano 7 interno alla testa 6, con conseguente migliore alimentazione della sostanza adesiva al vano 7 stesso. It should be observed that the duct 20 for feeding the adhesive substance is completely coaxial with the tubular body 17 and how it opens into a compartment 7 inside the head 6, with a consequent better supply of the adhesive substance to the compartment 7 itself.
In corrispondenza dell’ estremità inferiore del corpo tubolare 17 è calettato un anello 24 costituito da un magnete permanente. A ring 24 consisting of a permanent magnet is keyed at the lower end of the tubular body 17.
Allo stesso modo all’imbocco del vano 7 definito dalla testa 6 è calzato, entro una sede anulare 25, un secondo anello 26 costituito da un secondo magnete permanente. In the same way, a second ring 26 consisting of a second permanent magnet is fitted within an annular seat 25 at the entrance to the compartment 7 defined by the head 6.
I magneti permanenti 24 e 26, definenti i mezzi di chiusura del dispositivo otturatore 19, sono orientati con le rispettive opposte polarità affacciate l’una all’altra, cioè in maniera da attrarsi reciprocamente. The permanent magnets 24 and 26, defining the closing means of the shutter device 19, are oriented with their respective opposite polarities facing each other, that is, in such a way as to attract each other.
In uso la sostanza adesiva sotto pressione viene alimentata attraverso l’apertura 14 e la tubazione 21 fino entro il vano 7 interno alla testa 6. In use, the adhesive substance under pressure is fed through the opening 14 and the pipe 21 up to the compartment 7 inside the head 6.
A partire dalla situazione illustrata in figura 1, ad ogni attivazione dell’elettromagnete 13 da parte di una unità centrale di comando (non illustrata) della macchina impacchettatrice il dispositivo otturatore 19, vincendo la forza di attrazione dei due magneti 24 e 26, scorre assialmente entro il corpo tubolare 4 dalla sua posizione inferiore di chiusura del foro 9, fino alla sua posizione superiore di contatto fra l’estremità superiore 17a del corpo tubolare 17 e l’estremità inferiore 16a del corpo tubolare 16 e di distacco dell’elemento 18 dal foro 9. Starting from the situation illustrated in Figure 1, at each activation of the electromagnet 13 by a central control unit (not shown) of the packing machine, the shutter device 19, overcoming the attraction force of the two magnets 24 and 26, slides axially within the tubular body 4 from its lower position for closing the hole 9, up to its upper position of contact between the upper end 17a of the tubular body 17 and the lower end 16a of the tubular body 16 and detachment of the element 18 from hole 9.
Tale scorrimento dispone l’ugello 1 nella condizione, illustrata in figura 2, di erogazione della sostanza adesiva. This sliding disposes the nozzle 1 in the condition, illustrated in figure 2, of dispensing the adhesive substance.
All’atto della disattivazione dell’elettromagnete 13 la forza di attrazione dei due magneti permanenti 24 e 26 riporta il dispositivo otturatore 19 nella posizione di chiusura cioè di contatto fra l’elemento 18 ed il vertice 8 di ingresso al foro 9 di erogazione. Secondo quanto descritto la posizione di fine corsa superiore del dispositivo otturatore 19 è definita dall’estremità inferiore del corpo tubolare 16 superiore, mentre le posizione di fine corsa inferiore del dispositivo otturatore 19 è definita dal vertice 8 del vano 7. Upon deactivation of the electromagnet 13, the force of attraction of the two permanent magnets 24 and 26 brings the shutter device 19 back to the closed position, i.e. contact between the element 18 and the vertex 8 of the input to the dispensing hole 9. According to what has been described, the upper end position of the shutter device 19 is defined by the lower end of the upper tubular body 16, while the lower end position of the shutter device 19 is defined by the vertex 8 of the compartment 7.
Nella seconda posizione di fine corsa o di chiusura deH’ugello 1 non è preferibilmente previsto il contatto fra i due magneti permanenti 24 e 26, che si mantengono ad una determinata, se pur minima, distanza fra loro. In the second end position or closing position of the nozzle 1, the contact between the two permanent magnets 24 and 26 is preferably not provided, which are maintained at a certain, albeit minimal, distance between them.
Tale accorgimento costruttivo ha lo scopo di evitare che i due magneti permanenti 24 e 26 siano sottoposti ad urti che possano a lungo andare comprometterne Γ integrità, ed essere di conseguenza causa di malfunzionamento deH’ugello erogatore 1. This constructive expedient has the purpose of avoiding that the two permanent magnets 24 and 26 are subjected to impacts that may in the long run compromise their integrity, and consequently cause malfunction of the dispensing nozzle 1.
Nella forma di realizzazione di figura 3 il magnete permanente 24 superiore è sostituito da un anello di materiale ferromagnetico 27. Nella forma di realizzazione della figura 4 il magnete permanente 26 inferiore viene sostituito da un anello di materiale ferromagnetico 28. In the embodiment of Figure 3 the upper permanent magnet 24 is replaced by a ring of ferromagnetic material 27. In the embodiment of Figure 4 the lower permanent magnet 26 is replaced by a ring of ferromagnetic material 28.
Si osservi che la posizione di chiusura del dispositivo otturatore, raggiunta tramite la forza di attrazione che esiste fra i due magneti permanenti o fra un magnete ed un corrispondente anello in materiale ferromagnetico, costituisce una posizione di equilibrio stabile, proprio perché si tratta di forza di attrazione. In tale posizione, infatti non si sviluppano forze trasversali fra magneti permanenti come ad esempio avverrebbe nel caso di repulsione, che costituisce sempre una posizione di equilibrio instabile. It should be noted that the closing position of the shutter device, reached through the force of attraction that exists between the two permanent magnets or between a magnet and a corresponding ring in ferromagnetic material, constitutes a stable equilibrium position, precisely because it is a force of attraction. In this position, in fact, no transverse forces are developed between permanent magnets as would occur for example in the case of repulsion, which always constitutes an unstable equilibrium position.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000582A ITBO20100582A1 (en) | 2010-09-29 | 2010-09-29 | EROGRATORY UNIT OF ADHESIVE SUBSTANCE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000582A ITBO20100582A1 (en) | 2010-09-29 | 2010-09-29 | EROGRATORY UNIT OF ADHESIVE SUBSTANCE. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ITBO20100582A1 true ITBO20100582A1 (en) | 2012-03-30 |
Family
ID=43738758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT000582A ITBO20100582A1 (en) | 2010-09-29 | 2010-09-29 | EROGRATORY UNIT OF ADHESIVE SUBSTANCE. |
Country Status (1)
| Country | Link |
|---|---|
| IT (1) | ITBO20100582A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3447776A (en) * | 1965-12-01 | 1969-06-03 | Netstal Ag Maschf Giesserei | Plural magnet operated poppet valve |
| FR2522107A1 (en) * | 1982-02-25 | 1983-08-26 | Bosch Gmbh Robert | MAGNETIC VALVE WITH MAGNETIC DRIVE |
| EP0168306A1 (en) * | 1984-06-19 | 1986-01-15 | Societe De Fabrication D'instruments De Mesure (S.F.I.M.) | Bistable reversing device, especially for feeding an oxygen circuit in an airplane, and its application |
| GB2172093A (en) * | 1985-03-07 | 1986-09-10 | Man Technologie Gmbh | Valve |
| US6158713A (en) * | 1997-03-19 | 2000-12-12 | Techno Takatsuki Co., Ltd. | Electromagnetic valve |
| US20100133453A1 (en) * | 2007-06-21 | 2010-06-03 | Reinhard Hoppe | Valve, particularly glue valve |
-
2010
- 2010-09-29 IT IT000582A patent/ITBO20100582A1/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3447776A (en) * | 1965-12-01 | 1969-06-03 | Netstal Ag Maschf Giesserei | Plural magnet operated poppet valve |
| FR2522107A1 (en) * | 1982-02-25 | 1983-08-26 | Bosch Gmbh Robert | MAGNETIC VALVE WITH MAGNETIC DRIVE |
| EP0168306A1 (en) * | 1984-06-19 | 1986-01-15 | Societe De Fabrication D'instruments De Mesure (S.F.I.M.) | Bistable reversing device, especially for feeding an oxygen circuit in an airplane, and its application |
| GB2172093A (en) * | 1985-03-07 | 1986-09-10 | Man Technologie Gmbh | Valve |
| US6158713A (en) * | 1997-03-19 | 2000-12-12 | Techno Takatsuki Co., Ltd. | Electromagnetic valve |
| US20100133453A1 (en) * | 2007-06-21 | 2010-06-03 | Reinhard Hoppe | Valve, particularly glue valve |
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