CH469628A

CH469628A - Pneumatic device for applying the foil cap to a bottle and allowing the bottle to be lifted after encapsulation

Info

Publication number: CH469628A
Application number: CH1250067A
Authority: CH
Inventors: Torresin Guido
Original assignee: Torresin Guido
Priority date: 1966-09-09
Filing date: 1967-09-06
Publication date: 1969-03-15
Also published as: DE1982937U

Description

Dispositivo pneumatico atto ad effettuare l'applicazione del cappuccio di stagnola ad una bottiglia e permettente dopo l'incapsulamento di sollevare la bottiglia E' noto che molte bottiglie, per liquidi vari, dopo essere state tappate con tappo metallico, denominato corona , o con altri tappi, vengono incapsulate con stagnola o simili. Ed è noto che tali operazioni vengono eseguite generalmente a macchina mediante pressione idraulica. L'incapsulamento viene ottenuto comprimendo idraulicamente una guaina elastica, denominata tulipa- no y che, sotto tale pressione, stringe la capsula facendola aderire fortemente sul sottoposto collo tappato della bottiglia. Pneumatic device for applying the foil cap to a bottle and allowing after encapsulation to lift the bottle It is known that many bottles, for various liquids, after being capped with a metal cap, called a crown cap, or with other caps, are encapsulated with foil or the like. And it is known that these operations are generally performed by machine using hydraulic pressure. The encapsulation is obtained by hydraulically compressing an elastic sheath, called tulip y which, under this pressure, tightens the capsule making it adhere strongly to the underlying capped neck of the bottle.

Dopo l'operazione dell'incapsulamento, le bottiglie passano ad una machina, automatica o semiautomatica, che effettua la presa pneumatica, o meccanica, delle bottiglie tappate ed incapsulate e le depono nella cassetta. After the encapsulation operation, the bottles pass to an automatic or semi-automatic machine, which carries out the pneumatic or mechanical gripping of the capped and encapsulated bottles and places them in the box.

Queste operazioni vengono eseguite quindi da due macchine operatrici diverse, la prima idraulica la seconda pneumatica o meccanica. These operations are therefore performed by two different operating machines, the first hydraulic and the second pneumatic or mechanical.

Allo scopo di unificare l'operazione e quindi eliminare la macchina idraulica, col conseguente vantaggio economico, non solo, ma allo scopo anche di accelerare le operazioni medesime, il che, particolarmente per i complessi ad elevate produzioni (decine di migliaia di bottiglie al giorno), comporta un aumento del rendimento degli impianti, si è studiato e realizzato il presente dispositivo che si concreta nella speciale struttura attribuita al tulipano di incapsulamento che agisce sotto l'azione pneumatica, anzichè idraulica consentendo cosi di mantenere stretto il collo incapsulato della bottiglia con una forza atta a sollevare e dislocare la bottiglia piena da un luogo all'altro cosi da realizzare contemporaneamente, oltre all'incapsulamento; anche la traslazione della bottiglia piena e chiusa entro le cassette di trasporto. In order to unify the operation and therefore eliminate the hydraulic machine, with the consequent economic advantage, not only, but also in order to speed up the same operations, which, particularly for complexes with high production (tens of thousands of bottles per day ), involves an increase in the efficiency of the systems, this device has been studied and implemented which takes the form of the special structure attributed to the encapsulation tulip which acts under pneumatic action, instead of hydraulics, thus allowing the encapsulated neck of the bottle to be kept tight with a force adapted to lift and displace the filled bottle from one place to another so as to simultaneously carry out, in addition to encapsulation; also the translation of the full and closed bottle within the transport boxes.

Più precisamente il dispostivo pneumatico atto ad effettuare il serraggio del cappuccio di stagnola su bottiglie tappate e permettente dopo l'incapsulamento di sollevare la bottiglia è caratterizzato dal fatto che comprende almeno un organo di presa a campana formato da una guaina elastica, internamente troncoconica, ed esternamente munita di nervature e di un labbro di tenuta (2'), detta guaina elastica essendo montata a tenuta entro un involucro esterno rigido, con intercapedine periferica comunicante con una sorgente di fluido compresso, la cui azione comprime la guaina contro il collo della bottiglia, premendo contro di esso la capsula di stagnola e mantenendo stretto nel contempo il collo della bottiglia. More precisely, the pneumatic device suitable for tightening the foil cap on corked bottles and allowing the bottle to be lifted after encapsulation is characterized in that it comprises at least one bell-shaped gripping member formed by an internally frustoconical elastic sheath and externally provided with ribs and a sealing lip (2'), said elastic sheath being hermetically mounted inside a rigid outer casing, with a peripheral gap communicating with a source of compressed fluid, the action of which compresses the sheath against the neck of the bottle pressing the foil cap against it while holding the neck of the bottle tightly.

Pertanto nella descrizione che segue e nei disegni allegati vengono spiegate due forme di esecuzione del dispositivo secondo l'invenzione. Therefore, two embodiments of the device according to the invention are explained in the following description and in the accompanying drawings.

Nella fig. 1 si mostra la sezione assiale della guaina elastica secondo 1-1 di fig. 3 nel suo involucro rigido a campana cilindrica; La fig. 2 rappresenta la sezione longitudinale della guaina elastica secondo la linea 2-2 di fig. 3. In fig. 1 shows the axial section of the elastic sheath according to 1-1 of fig. 3 in its rigid cylindrical bell casing; fig. 2 represents the longitudinal section of the elastic sheath according to the line 2-2 of fig. 3.

Le figg. 3, 4 e 5 mostrano, rispettivamente la vista dal di sopra della guaina elastica di fig. 1 e due sezioni trasversali di essa rispettivamente secondo 4-4 e secondo 5-5 di fig. 1. Figs. 3, 4 and 5 respectively show the top view of the elastic sheath of fig. 1 and two cross-sections thereof respectively according to 4-4 and according to 5-5 of fig. 1.

La fig. 6 rappresenta un dispositivo pneumatico manuale. fig. 6 represents a manual pneumatic device.

La fig. 7 mostra ingrandita il comando pneumatico della guaina elastica di presa per macchine multiple. fig. 7 shows an enlarged view of the pneumatic control of the elastic gripping sleeve for multiple machines.

Le figg. 8 e 9 mostrano rispettivamente in vista anteriore e in pianta un dispositivo per incapsulamento e traslazione in cassetta di dodici bottiglie. Figs. 8 and 9 show, respectively, a front view and a plan view of a device for encapsulating and transferring twelve bottles into boxes.

Come si è detto, nella fig. 1 si è mostrato l'involucro cilindrico esterno I assottigliato sul bordo estremo 1' per inserirsi nel bordo terminale 2' della guaina 2 aperto a forma di V. As mentioned, in fig. 1 shows the outer cylindrical casing I tapered at the extreme edge 1' to fit into the terminal edge 2' of the open V-shaped sheath 2.

Il collegamento ad incastro viene mantenuto solidale da una ghiera di fissaggio 3, corredata da un anello 4 che consente l'avvitamento senza danneggiare il bordo della guaina. The interlocking connection is kept integral by a fixing ring nut 3, accompanied by a ring 4 which allows screwing without damaging the edge of the sheath.

Il fondo 5 della guaina elastica viene fissato al fondo 1" dell'involucro cilindrico 1 mediante una vite 6 a larga testa che si avvita nel tubo assiale 7 adduttore dell'aria in pressione che penetra nell'intercapedine 8, creata fra l'involucro rigido 1 e la guaina 2 attraverso i condotti radiali 9 ricavati in un anello 10 interposto fra i due fondi 5ex". The bottom 5 of the elastic sheath is fixed to the bottom 1" of the cylindrical casing 1 by means of a large-headed screw 6 which is screwed into the axial pipe 7 which carries the pressurized air which enters the interspace 8, created between the rigid casing 1 and the sheath 2 through the radial ducts 9 obtained in a ring 10 interposed between the two bottoms 5ex".

In questa maniera lbaria in pressione penetra in tutta la intercapedine 8 agendo sulle pareti esterne della guaina elastica 2 spostandola verso l'asse. In this way, pressurized air penetrates the entire interspace 8 by acting on the outer walls of the elastic sheath 2, moving it towards the axis.

Per struttare questa azione pneumatica in modo da ottenere la voluta compressione delle capsule contro il collo della bottiglia inserito nello spazio tronco-conico 15 della guaina 2 è stata studiata la speciale sagomatura della superficie esterna della guaina che viene dettagliata nelle figg. 1, 2, 3, 4, 5 dei disegni allegati. To structure this pneumatic action so as to obtain the desired compression of the capsules against the neck of the bottle inserted in the truncated-conical space 15 of the sheath 2, the special shaping of the outer surface of the sheath has been studied, which is detailed in figs. 1, 2, 3, 4, 5 of the attached drawings.

Sono particolarmente importanti le nervature arcuate 11 e 12, delle quali le quattro nervature 11, aventi un raggio di mm 10 intersecano la superficie esterna della parte contigua al fondo 5 della guaina per una altezza di dodici millimetri e le quattro nervature 12 che invece scendono fino ad inserirsi nella parte conica 15. The arched ribs 11 and 12 are particularly important, of which the four ribs 11, having a radius of 10 mm intersect the external surface of the part contiguous to the bottom 5 of the sheath for a height of twelve millimeters and the four ribs 12 which instead go down to to fit into the conical part 15.

E'anche molto importante la conformazione del bordo terminale 2'della guaina 2 adatto a ricevere il bordo 1'dell'involucro rigido cilindrico 1, assicurando L'union fra la guaina stessa 2 e l'involucro rigido 1 senza che possa fuoriuscire l'aria compressa, oppure senza che l'aria compressa possa espellere la guaina dal suo involucro rigido 1. The conformation of the terminal edge 2' of the sheath 2 suitable for receiving the edge 1' of the rigid cylindrical casing 1 is also very important, ensuring the union between the sheath itself 2 and the rigid casing 1 without the compressed air, or without the compressed air being able to expel the sheath from its rigid casing 1.

E'infatti fondamentale per ottenere il funzionamento pneumatico della guaina, che essa presenti spessori e sezioni resistenti tali da rendere perfettamente uniforme la compressione della capsula di stagnola sul collo della bottiglia, non solo, ma tali da evitare che la guaina venga expulsa dall'involucro 1 sotto la forte pressione pneumatica e comunque che essa possa venire danneggiata dalla pressione stessa. In fact, in order to obtain the pneumatic operation of the sheath, it is essential that it has thicknesses and resistant sections such as to make the compression of the foil cap on the neck of the bottle perfectly uniform, not only that, but such as to prevent the sheath from being expelled from the wrapping 1 under strong pneumatic pressure and in any case that it can be damaged by the pressure itself.

E'quindi intuitivo che attuata la compressione della capsula contro il collo della bottiglia, mantenendo la pressione stessa si realizza la possibilità di trattenere il collo nel dispositvo pneumatico e traslare la bottiglia nella cassetta d'imballaggio per il trasporto sul luogo di vendita. A tal fine il dispositivo pneumatico può essere montato su un braccio articolato ad azionamento manuale, oppure una pluralità di deffl dispositivi possono far parte di una apparecchiatura automatica che effettua alternativamente e in continuità prima la compressione e poi il trasporto di un gruppo di bottiglie in una cassetta o scatola cellulare. It is therefore intuitive that once the capsule has been compressed against the neck of the bottle, while maintaining the same pressure, it is possible to hold the neck in the pneumatic device and move the bottle into the packing box for transport to the place of sale. To this end, the pneumatic device can be mounted on a manually operated articulated arm, or a plurality of these devices can be part of an automatic apparatus which alternately and continuously performs first the compression and then the transport of a group of bottles in a cassette or cell phone box.

Un braccio articolato manuale è illustrato in fig. 6 ; esso è costituito da una manopola di presa 16, a cui perviene posteriormente il condotto 17 dell'aria, solidale anteriormente con un corpo 18 comprendente una valvola d'interruzione comandata dal pulsante 19 ; attraverso il tubicino 20 I'aria è portata al tubo assiale 7 dell'involucro 1 dell'incapsulatore che a sua volta è reso solidale al corpo 18 e quindi alla manopola 16 mediante la barra verticale 21. A manual articulated arm is illustrated in fig. 6 ; it consists of a grip knob 16, to which the air duct 17 reaches from the rear, integral with a body 18 at the front comprising an interruption valve controlled by the button 19; through the small tube 20 the air is brought to the axial tube 7 of the casing 1 of the encapsulator which in turn is made integral with the body 18 and therefore with the knob 16 by means of the vertical bar 21.

Nella realizzazione di una apparecchiatura automatica per l'incapsulamento multiplo, I'incapsulatore 1, che fa parte di una pluralità equivalente alla capacità di una cassetta o di una scatola cellulars è supportato : da un primo corpo cilindrico 22 al cui condotto assiale 22' perviene dal disotto la parte tubolare 6 solidale al tubo 7 e da sopra il tubicino 23 che è atto a scorrere a tenuta entro il condotto 22'per la presenza di un premistoffa 24, la testa allargata 22"del pezzo di forma cilindrica è atto a scorrere a guisa di stantuffo entro il cilindro 25, che superiormente presenta una zona filettata su cui si avvita la ghiera 26 che a sua volta blocca contro il cilindro 25 la testa allargata 27'del pezzo cilindrico 27, che serra assialmente il tubiåno e termina all'estremità superiore con un nucleo metallico 28, opportunamente sagomato inferiormente per essere annegato nel pezzo 27, che è di materiale elastico, e superiormente per entrare e venire bloccato a tenuta nel giunto rapido 29 a sua volta reso solidale alla placca 30 sulla quale sono montati gli altri incapsulatori. I1 pezzo cilindrico 27 è di materiale elastico, per permettere specie alla parte inferiore del pezzo, di poter oscillare e quindi di adattarsi ad eventuali leggeri spostamenti di posizione dei colli delle bottiglie che dovranno venire centrati. Inoltre lo scorrimento del pezzo entro il cilindro 25 è reso necessario per annullare eventuali differenze in altezza dei detti colli delle bottiglie ; la posizione normale, come in figura, è mantenuta dalla molla 31 compressa fra il piattello 32 inferiore solidale al pezzo 22 e quello superiore 33 solidale al nucleo 28. In the realization of an automatic apparatus for multiple encapsulation, the encapsulator 1, which forms part of a plurality equivalent to the capacity of a cassette or a cellular box, is supported: by a first cylindrical body 22 to the axial duct 22' of which from below the tubular part 6 integral with the tube 7 and from above the small tube 23 which is able to slide hermetically within the duct 22' due to the presence of a stuffing box 24, the enlarged head 22" of the cylindrical piece is able to slide like a piston inside the cylinder 25, which has a threaded area on top onto which the ring nut 26 is screwed which in turn blocks the enlarged head 27' of the cylindrical piece 27 against the cylinder 25, which clamps the tube axially and ends at the upper end with a metal core 28, suitably shaped at the bottom to be embedded in the piece 27, which is made of elastic material, and at the top to enter and be sealed in the quick joint 29 which is in turn made integral with the plate 30 on which the other encapsulators. The cylindrical piece 27 is made of elastic material, to allow especially the lower part of the piece to be able to oscillate and therefore to adapt to any slight position shifts of the necks of the bottles which will have to be centred. Furthermore, the sliding of the piece inside the cylinder 25 is made necessary to cancel out any differences in height of said necks of the bottles; the normal position, as in the figure, is maintained by the spring 31 compressed between the lower plate 32 integral with the piece 22 and the upper one 33 integral with the core 28.

Nelle figg. 8 e 9 è illustrata un'apparecchiatura per l'incapsulamento simultaneo di dodici bottiglie con sollevamento delle stesse, spostamento in avanti e inserimento in cassetta. In figs. 8 and 9 show an apparatus for the simultaneous encapsulation of twelve bottles by lifting them, moving them forward and placing them in the crate.

L'apparecchiatura 34 (fig. 8) è costituita da un'incastellatura 35 fissa, situata sopra il piano di convogliamento delle bottiglie, una piastra 36 è atta a scorrere con moto di va e vieni nella parte superiore dell'incastellatura in direzione parallela al senso di avanzamento delle bottiglie ; la piastra 36 a sua volta supporta il complesso 37 in modo che lo stesso possa spostarsi verticalmente rispetto a detta piastra 36, essendo guidato dalle aste fisse 38, mentre attraverso il tubo 39 riceve l'aria che viene distribuita ai dodici incapsulatori 1 supportati dalla placca 30 facente parte del complesso 37. In fig. 8 è rappresentato il complesso 37 dopo la compressione delle capsule con le bottiglie B trattenute e sollevate in fase di avanzamento per portare le bottiglie sopra la cassetta C a celle dove verranno inserite in seguito all'abbassamento del complesso 27, abbandonate dagli incapsulatori ; indi mentre il complesso 37 si risolleverà e con la slitta 36 ritornerà alla posizione iniziale, il trasportatore 40 avanzerà di un tratto sufficiente a portare un'altra cassera in posizione di carico. The apparatus 34 (fig. 8) consists of a fixed frame 35, located above the bottle conveyance plane, a plate 36 is able to slide with a to-and-fro motion in the upper part of the frame in a direction parallel to the direction of advancement of the bottles; the plate 36 in turn supports the assembly 37 so that the same can move vertically with respect to said plate 36, being guided by the fixed rods 38, while through the tube 39 it receives the air which is distributed to the twelve encapsulators 1 supported by the plate 30 forming part of the complex 37. In fig. 8 shows the complex 37 after the compression of the caps with the bottles B held and lifted in the advancement phase to bring the bottles above the box C to cells where they will be inserted following the lowering of the complex 27, abandoned by the encapsulators; then while the assembly 37 will rise again and with the slide 36 will return to the initial position, the conveyor 40 will advance by a distance sufficient to bring another formwork into the loading position.

II convogliamento delle bottiglie nella posizione di presa può venire favorito da un piano convogliatore 41 che devia le bottiglie da un alimentatore 42 con l'ausilio di pareti sagomate fisse, e da setti 44, come è illustrato in fig. 9 ; il gruppo di bottiglie A all'abbassarsi del complesso 37 verra stretto sulla parte terminale del collo dagli incapsulatori 1, mantenuto in pressione, sollevato e con un avanzamento F portato in B per essere deposto nella cassetta C. E'evidente quindi che il dispositivo pneumatico 1-2 come descritto e illustrato risulta l'elemento fondamentale per l'incapsulamento e per l'incassettamento. The conveyance of the bottles in the gripping position can be facilitated by a conveyor plane 41 which diverts the bottles from a feeder 42 with the aid of fixed shaped walls, and by baffles 44, as illustrated in fig. 9 ; when the group 37 lowers, the group of bottles A will be tightened on the end part of the neck by the cappers 1, kept under pressure, lifted and with a feed F brought to B to be placed in the box C. It is therefore evident that the pneumatic device 1-2 as described and illustrated is the fundamental element for the encapsulation and for the boxing.

RIVENDICAZIONE Dispositivo pneumatico atto ad effettuare il serraggio del cappuccio di stagnola su bottiglie tappate e permettente dopo l'incapsulamento di sollevare la bottiglia, caratterizzato dal fatto che comprende almeno un organo di presa a campana formato da una guaina elastica internamente troncoconica, ed esternamente munita di nervature e di un labbro di tenuta (2'), detta guaina elastica essendo montata a tenuta entro un involucro esterno rigido, con intercapedine periferica comunicante con una sorgente di fluido compresso, la cui azione CLAIM Pneumatic device suitable for tightening the foil cap on corked bottles and allowing the bottle to be lifted after encapsulation, characterized in that it comprises at least one bell-shaped gripping member formed by an internally truncated-conical elastic sheath, and externally equipped with ribs and a sealing lip (2'), said elastic sheath being hermetically mounted inside a rigid outer casing, with a peripheral gap communicating with a source of compressed fluid, the action of which

**ATTENTION** fin du champ DESC peut contenir debut de CLMS **. **ATTENTION** fin du champ DESC peut contenir debut de CLMS **.

Claims

ATTENTION* debut du champ CLMS peut contenir fin de DESC *.

the rigid casing 1 and the sheath 2 through the radial ducts 9 obtained in a ring 10 interposed between the two bottoms 5ex".

In this way, pressurized air penetrates the entire interspace 8 by acting on the outer walls of the elastic sheath 2, moving it towards the axis.

To structure this pneumatic action so as to obtain the desired compression of the capsules against the neck of the bottle inserted in the truncated-conical space 15 of the sheath 2, the special shaping of the outer surface of the sheath has been studied, which is detailed in figs. 1, 2, 3, 4, 5 of the attached drawings.

The arched ribs 11 and 12 are particularly important, of which the four ribs 11, having a radius of 10 mm intersect the external surface of the part contiguous to the bottom 5 of the sheath for a height of twelve millimeters and the four ribs 12 which instead go down to to fit into the conical part 15.

The conformation of the terminal edge 2' of the sheath 2 suitable for receiving the edge 1' of the rigid cylindrical casing 1 is also very important, ensuring the union between the sheath itself 2 and the rigid casing 1 without the compressed air, or without the compressed air being able to expel the sheath from its rigid casing 1.

In fact, in order to obtain the pneumatic operation of the sheath, it is essential that it has thicknesses and resistant sections such as to make the compression of the foil cap on the neck of the bottle perfectly uniform, not only that, but such as to prevent the sheath from being expelled from the wrapping 1 under strong pneumatic pressure and in any case that it can be damaged by the pressure itself.

It is therefore intuitive that once the capsule has been compressed against the neck of the bottle, while maintaining the same pressure, it is possible to hold the neck in the pneumatic device and move the bottle into the packing box for transport to the place of sale. To this end, the pneumatic device can be mounted on a manually operated articulated arm, or a plurality of these devices can be part of an automatic apparatus which alternately and continuously performs first the compression and then the transport of a group of bottles in a cassette or cell phone box.

A manual articulated arm is illustrated in fig. 6 ; it consists of a grip knob 16, to which the air duct 17 reaches from the rear, integral with a body 18 at the front comprising an interruption valve controlled by the button 19; through the small tube 20 the air is brought to the axial tube 7 of the casing 1 of the encapsulator which in turn is made integral with the body 18 and therefore with the knob 16 by means of the vertical bar 21.

In the realization of an automatic apparatus for multiple encapsulation, the encapsulator 1, which forms part of a plurality equivalent to the capacity of a cassette or a cellular box, is supported: by a first cylindrical body 22 to the axial duct 22' of which from below the tubular part 6 integral with the tube 7 and from above the small tube 23 which is able to slide hermetically within the duct 22' due to the presence of a stuffing box 24, the enlarged head 22" of the cylindrical piece is able to slide like a piston inside the cylinder 25, which has a threaded area on top onto which the ring nut 26 is screwed which in turn blocks the enlarged head 27' of the cylindrical piece 27 against the cylinder 25, which clamps the tube axially and ends at the upper end with a metal core 28, suitably shaped at the bottom to be embedded in the piece 27, which is made of elastic material, and at the top to enter and be sealed in the quick joint 29 which is in turn made integral with the plate 30 on which the other encapsulators. The cylindrical piece 27 is made of elastic material, to allow especially the lower part of the piece to be able to oscillate and therefore to adapt to any slight position shifts of the necks of the bottles which will have to be centred. Furthermore, the sliding of the piece inside the cylinder 25 is made necessary to cancel out any differences in height of said necks of the bottles; the normal position, as in the figure, is maintained by the spring 31 compressed between the lower plate 32 integral with the piece 22 and the upper one 33 integral with the core 28.

In figs. 8 and 9 show an apparatus for the simultaneous encapsulation of twelve bottles by lifting them, moving them forward and placing them in the crate.

The apparatus 34 (fig. 8) consists of a fixed frame 35, located above the bottle conveyance plane, a plate 36 is able to slide with a to-and-fro motion in the upper part of the frame in a direction parallel to the direction of advancement of the bottles; the plate 36 in turn supports the assembly 37 so that the same can move vertically with respect to said plate 36, being guided by the fixed rods 38, while through the tube 39 it receives the air which is distributed to the twelve encapsulators 1 supported by the plate 30 forming part of the complex 37. In fig. 8 shows the complex 37 after the compression of the caps with the bottles B held and lifted in the advancement phase to bring the bottles above the box C to cells where they will be inserted following the lowering of the complex 27, abandoned by the encapsulators; then while the assembly 37 will rise again and with the slide 36 will return to the initial position, the conveyor 40 will advance by a distance sufficient to bring another formwork into the loading position.

The conveyance of the bottles in the gripping position can be facilitated by a conveyor plane 41 which diverts the bottles from a feeder 42 with the aid of fixed shaped walls, and by baffles 44, as illustrated in fig. 9 ; when the group 37 lowers, the group of bottles A will be tightened on the end part of the neck by the cappers 1, kept under pressure, lifted and with a feed F brought to B to be placed in the box C. It is therefore evident that the pneumatic device 1-2 as described and illustrated is the fundamental element for the encapsulation and for the boxing.

CLAIM Pneumatic device suitable for tightening the foil cap on corked bottles and allowing the bottle to be lifted after encapsulation, characterized in that it comprises at least one bell-shaped gripping member formed by an internally truncated-conical elastic sheath, and externally equipped with ribs and a sealing lip (2'), said elastic sheath being hermetically mounted inside a rigid outer casing, with a peripheral gap communicating with a source of compressed fluid, the action of which compresses the sheath against the neck of the bottle, pressing against of it the foil cap while keeping the neck of the bottle tight. 10. CLAIMS 1. Device according to claim, characterized in that it comprises a knob equipped with a control valve which can be operated by the same hand which grips it.

2. Device according to the claim, comprising a plurality of gripping elements placed side by side and mounted that can be displaced both vertically and horizontally on a frame in which mechanical, electric or hydropneumatic controls are included for its operation.

3. Device according to the claim, characterized in that four external ribs of the elastic and arched-section sheath alternate with four others of different radius, of which those with a shorter radius (11) intersect the part contiguous to the bottom, while those longer radius (12) join up with the external conical surface which flows into the cylindrical terminal part (figs. 2, 3).

4. Device according to claim, characterized in that the thick bottom of the elastic sheath has a hole adapted to receive the screw for application to its rigid outer casing while the terminal edge of the elastic sheath is thinner, bent outwards in a V shape for receive within the annular recess itself, the terminal edge of the rigid casing and has on the inner portion of its extreme edge a recessed annular seat suitable for receiving a washer which allows an external sealing ring nut to be screwed onto the rigid casing without damaging the folded edge of the sheath.

5. Device according to claim, characterized in that communication between the peripheral interspace surrounding the sheath and the source of fluid under pressure is achieved by a large washer provided with radial passage channels, communicating centrally with the fluid feed pipe and peripherally with the cavity.

6. Pneumatic device according to claim 1 and subclaim 1, characterized in that it comprises a grip knob, to which the fluid conduit reaches from the rear side, frontally integral with a body comprising internally an on/off valve controlled externally by a push button lever, said body being in turn integral with the gripping member to which the fluid reaches through an external tube.

7. Device according to claim 2 and sub-claim 2, characterized by a fixed frame on which a plate is able to slide horizontally which supports a plate underneath which is in turn able to move vertically with respect to said plate, said plate carrying below a plurality of members gripper for the simultaneous clamping of as many bottles and their transfer.

8. Device according to claim 2 and sub-claim 2, characterized in that each gripping member is supported: by a first cylindrical body (22) to whose axial duct the tubular part of said member reaches from below; and from above a small tube adapted to move hermetically, vertically, within said conduit; the enlarged head of said cylindrical body being capable of moving, like a piston, within a cylinder which on the upper part is externally threaded to receive a ring nut which locks against the cylinder the enlarged lower head of a cylindrical piece of elastic material, which clamps the tube axially and ends at the top with a metal core embedded in it, the upper end of which is shaped so as to form part of a sealed rapid joint, the other part of which is integral with a lower plate supported by the frame; a spring being provided between the first cylindrical body and the metal core to keep the gripping member constantly in the maximum retraction position.