EP1166982A2 - Procédé et dispositif pour la fabrication de bouchons - Google Patents

Procédé et dispositif pour la fabrication de bouchons Download PDF

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Publication number
EP1166982A2
EP1166982A2 EP01830434A EP01830434A EP1166982A2 EP 1166982 A2 EP1166982 A2 EP 1166982A2 EP 01830434 A EP01830434 A EP 01830434A EP 01830434 A EP01830434 A EP 01830434A EP 1166982 A2 EP1166982 A2 EP 1166982A2
Authority
EP
European Patent Office
Prior art keywords
glue
previous
stoppers
discoidal
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01830434A
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German (de)
English (en)
Other versions
EP1166982A3 (fr
Inventor
Enrico Ferrari
Antonio Napolitano
Domenico Piazzese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cma Di Piazzese Domenico Srl
Original Assignee
Cma Di Piazzese Domenico Srl
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Filing date
Publication date
Application filed by Cma Di Piazzese Domenico Srl filed Critical Cma Di Piazzese Domenico Srl
Publication of EP1166982A2 publication Critical patent/EP1166982A2/fr
Publication of EP1166982A3 publication Critical patent/EP1166982A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J5/00—Mechanical working of cork

Definitions

  • the present invention relates to an apparatus and a method for the production of composite stoppers made of cork or the like.
  • stoppers which are constituted by a central body made of recycled granulated cork, at whose ends are applied discoidal plates made of natural cork.
  • a first known technique consists of gluing the plates to the central body using a casein-based cold glue.
  • the glue is sprayed from below towards the lower end of the central body, which is held vertical and then positioned over a first plate.
  • the glue is then sprayed towards the lower end of a second plate which is then applied to the upper end of the central body.
  • Another type of glue that can be used in said method is polyurethane glue in aqueous solution which, however, is not suitable for gluing elements that may come in contact with food products, since it can release toxic substances, if it has not completed the reticulation phase.
  • ovens are provided to ensure the setting of the glue and thus fasten the plates to the cylindrical central body.
  • a second known technique consists of employing hot glue (known as "hot melt”): the method provides for spraying the glue from the top onto the upper surface of a first plate, then applying the central body held in the vertical position, spraying the glue from the top onto the upper end of the central body and applying the second plate.
  • hot glue known as "hot melt”
  • the stopper is actuated by means of pincers positioned on a circular structure.
  • the stopper is kept vertical and moved from a position for dispensing the glue to a station for applying the plates, thanks to the rotation of the circular structure.
  • the glue is simply sprayed onto the plate or onto the ends of the central body and therefore does not uniformly cover the surface onto which it is applied.
  • EP 927 613 also provides for compressing the plate and the central body against the central body in a substantially continuous manner, i.e. with a single constant compression action that has to be maintained for a predefined time, such as to allow said glue to set.
  • an apparatus for the production of stoppers made of cork or the like, in which said stoppers are composed of a main cylindrical body with a longitudinal axis and at least an end face extending transversely relative to said longitudinal body and of at least a discoidal element that is joined to said cylindrical body associating a respective transverse face of said discoidal element to said transverse face of said main body, the apparatus comprises: a supporting frame; means for supporting and advancing said stoppers being formed; means for placing glue or adhesive material between said transverse face joining the discoidal element to said transverse connection face of the cylindrical body; means able to place said transverse connection face of the discoidal body and said transverse connection plate of the cylindrical body in mutual contact with each other; the apparatus is characterised in that said means for supporting and advancing stoppers being formed are able to support and advance said cylindrical body with their longitudinal axis that is positioned substantially horizontal.
  • the present configuration allows to obtain an apparatus structure that has an extremely reduced length and is such as to provide high quality corks.
  • the present invention is also directed to a method for the production of said stoppers and to the use of a polyurethane glue with a single component for the production of cork stoppers or the like.
  • a cork 12 is obtained that is constituted by a substantially cylindrical central portion 14, having a longitudinal axis X and an outer cylindrical surface 14e, in which a respective disk element is joined to a corresponding end face of the central portion 14.
  • Figures 1A and 1B show a preferred embodiment of a stopper in which to a first longitudinal end 14a of the central portion 14 is joined a first disk element or plate 16 and to a second longitudinal end 14b is joined a second plate 18.
  • the central portion 14 is positioned with the longitudinal axis X oriented substantially horizontal.
  • the horizontal disposition of the stopper constitutes a stable configuration which, as described farther on, does not need particularly complex retaining means.
  • this horizontal configuration allows easily to apply the glue on both ends 14a, 14b of the central portion 14.
  • the glue used is a polyurethane glue with a single component, heated before its distribution onto the central portion 14 of the stopper 12.
  • a glue or adhesive called "XPU 18217" produced by the company Ato Findley S.A. could be used.
  • This glue polymerises extremely fast and, once polymerised, it is not harmful and suitable for use with foods.
  • the single-component polyurethane glue has a higher melting temperature: the “hot melt” glue melts again at 40-50°C, whilst the single-component polyurethane glue reaches its new melting point around 200°C, and thus guarantees, in case of subsequent work processes on the stopper or on the container into which the stopper is inserted that require the attainment of high temperatures, the tightness of the stopper even in such conditions.
  • the single-component polyurethane glue in use is a dense glue and therefore its spreading, during the distribution of the glue, onto the application face allows to apply the glue uniformly over the entire surface.
  • the glue is distributed simultaneously on both ends 14a, 14b of the central portion 14 of the stopper 12 and subsequently each end 14a, 14b of the central portion 14 is simultaneously joined with a corresponding plate 16, 18.
  • each plate 16, 18 is picked up by suction in a position that is longitudinally distanced relative to the central portion 14 of the stopper 12, then is brought in contact and joined to the central portion 14, in correspondence with its transverse face 14a, 14b.
  • each plate 16, 18 is fastened to the central portion 14 performing a succession or series of compressions on the ends of the stopper 12 itself, each followed by a rest phase, in which no compression action is provided.
  • a cooling phase can be provided, for instance with air, simultaneously with the compression phase.
  • FIG. 1 A first preferred embodiment of apparatus according to the present invention is shown in Figure 2.
  • This first embodiment of apparatus essentially comprises means 24 for supporting and advancing the stopper being formed, a station 20 for distributing the glue on the ends 14a, 14b of the central portion 14 of the stopper 12, and a station 22 for applying at least a plate 16, 18 to the corresponding end 14a, 14b.
  • the means 24 for conveying the stopper being formed, or at least of the central portion or main body 14 of said stopper are such as to maintain the longitudinal axis X of the central portion 14 oriented substantially horizontal.
  • the conveying means 24 are constituted by a plurality of elements or cradles 27, supporting the central portion 14 of the stopper 12, positioned on a chain 36 driven on vertically set wheels 38, in such a way as to have a return segment below the line of advance 40 of the conveying means 24.
  • the aforesaid disposition of the supporting and advancing means 24 allows to reduce bulk relative to the circular structure provided with pincers employed in known devices.
  • each cradle support element 27 has a seat 28 which is opened in correspondence with the lateral surfaces to allow the extension outside the ends 14a, 14b of the central portion 14 of the stopper 12.
  • the feeding line 80 of the central portions 14 is constituted by a channel 82 with outlet section 82a having substantially vertical axis and provided, at least in correspondence with the outlet section 82a, with guides 84 for positioning the central portion 14 of the stopper 12 on the cradles 27 themselves.
  • the glue distribution station 20 comprises means 30 for rotating the central portion 14 about its own longitudinal axis X.
  • these means 30 able to cause the rotation of the central portion 14 are constituted by a motorised rubber wheel 44 having its axis 44a parallel to the longitudinal axis X of the central portion 14.
  • the central portion 14 itself is supported by a first 32 and a second 34 bearing rollers, housed free to rotate within the seat 28 relative to the central portion 14.
  • the rollers 32, 34 have their axis parallel to the axis X of the central portion and are housed in cavities 33 obtained in the inner part 35 of the walls 37, 39 of the cradle 27 that are parallel to the axis X itself.
  • the inner part 35 of the walls 37, 39 is inclined towards the central part of the cradle 27, in order to form an obtuse angle ⁇ with the horizontal bottom 27a of the cradle 27.
  • rollers 32, 34 project from the cavities 33 of the walls 37, 39 in such a way as to constitute the bearing of the central portion 14.
  • An additional embodiment can provide, instead of a first and a second roller, a first and a second pair of small rollers, coaxial and housed in respective cavities of the walls 37, 39.
  • the central portion 14 is conveyed by the cradle 27 in correspondence with the outlet section of a line 90 for feeding the plates 16, 18, positioned downstream of the glue distribution station 20.
  • the line 90 for feeding the plates 16, 18 is constituted by two channels 92 with outlet section 92a having substantially vertical axis, positioned in correspondence with each end 14a, 14b of the central portion 14 of the stopper 12.
  • Each channel 92 is provided, in correspondence with the outlet section 92a, with a guide 94 for positioning the plate 16, 18 on a cradle seat 54' in a position suited for being joined to the corresponding end 14a, 14b of the central portion 14.
  • an element 100 can be provided for thrusting the plate 16, 18 in the direction of the central portion 14 of the stopper 12, in order to accelerate the fall of the plate itself.
  • the apparatus has a bar 25, positioned above and parallel to the line of advance 40 to keep the stoppers 12 in the cradles 27.
  • the bar 25 is constituted by a plurality of segments 25a, fixed or provided with elastic connection, arranged in succession, and extends from the channel 82 for feeding the central portions 14 to a line 70 for actuating and pressing the stopper 12 inserted in the fastening station 56, being interrupted in correspondence with the motorised rubber wheel 44 in the glue distribution station 20.
  • the advance of the stoppers according to the present first embodiment of apparatus is performed in steps.
  • advancing phases alternate with stopped phases, during which the operations of applying the glue and applying the plates are performed.
  • the means for applying the glue and applying the plate are distanced from the cylindrical body in order to allow said stoppers to advance without hindrances.
  • Figure 4 particularly highlights, in addition to the aforementioned glue distribution station 20 and plate application station 22, also means for compressing or fastening the plates to the cylindrical body 14.
  • compression means 56 suitable for providing a strong compression action that prolongs for a limited time, followed by a rest phase. This compression phase is applied to the plates for a duration equal to the duration of the stopped phase in the advance of said stoppers.
  • the glue distribution station 20 comprises a first and second element 42, 43 for dispensing the glue, each having an end 42a, 43a positioned in proximity with a corresponding transverse face 14a, 14b of the central portion 14, in order to distribute the glue simultaneously on both transverse faces 14a, 14b.
  • At least one of the dispensing elements 42, 43 is positioned on a carriage connected to an elastic element.
  • the movable dispensing element 42, 43 is therefore located in a position of interference with the cradle 27 and is displaced thereby, whilst still remaining in contact with the end 14a, 14b of the central portion 14 thanks to the elastic element.
  • Figure 4 shows, downstream of the glue distribution station 20, the station 22 for applying the plates 16, 18.
  • the station 22 for applying the plates 16, 18 comprises, for each end 14a, 14b of the central portion 14, an apparatus 52 for aspirating and positioning the plates 16, 18.
  • the aspirating and positioning apparatus 52 is constituted by a first piston 54 having its axis 54a substantially parallel to the longitudinal axis X of the central portion 14, movable from a distanced position to a position in contact with the central portion 14 of the stopper 12 and having a planar end 54b provided with aspiration holes to pick up the plate 16, 18 from the cradle seat 54' and position it in correspondence with the end 14a, 14b of the central portion 14.
  • the apparatus of the present invention Downstream of the station 22 for applying the plates 16, 18, the apparatus of the present invention is provided with a station 56 for fastening the plates 16, 18 to the central portion 14 of the stopper 12.
  • the fastening station 56 comprises a compression element 58 acting on the plate 16, 18, movable from a distanced position to a position in contact with the plate 16, 18 itself by means of a second piston 60 substantially parallel to the first piston 54 for aspirating and positioning the plate 16, 18.
  • the compression element 58 can be provided with a channel 59 for cooling the stopper 12, or the applied hot glue, for instance through the conveyance of air - through respective holes provided in the surface of the compression element 58 that contacts the stopper - against the corresponding porous plate.
  • additional compression elements 58', 58" are provided, positioned in succession on a plate 61 actuated by the same second piston 60.
  • each plate undergoes three successive compression and relaxation phases, on the occasion of the advancing phases of the stoppers. This first fastening action allows an effective adhesion of the plates 16, 18 to the cylindrical body 14.
  • the compression and fastening means further comprise second means 70 for the continuous compression and actuation of the stopper 12, which are positioned downstream of the compression elements 58, 58', 58".
  • the actuation and pressing line 70 comprises a pair of vertical belts 72 wound on pulleys 74 positioned on corresponding support planes 75 and connected to a motor 76 by means of corresponding bevel gears 76a, 76b.
  • the belt 72 exert a lateral pressure against the plate 16, 18 in order to keep contact with the stopper 12 and thereby end the fastening phase.
  • the actuation and pressing line 70 further comprises an element 77 for adjusting the distance between the support planes 75 constituted, in the embodiment of Figure 4, by a hand wheel 78 acting on a pivot pin 79 connecting the planes 75 themselves.
  • the pivot pin 70 has two adjacent portions, each connected to the respective plane 75, having opposite threads: in this way, by rotating the hand wheel, it is possible to move the support planes 75, and hence the belts 72, mutually closer or farther away, thereby adapting the belts 72 to the size of the stopper 12.
  • Figures 5 and 6 show a detail of the end 42a, 43a of the dispensing element 42, 43 positioned in the glue distribution station 20.
  • the end 42a positioned in proximity to the central portion 14, has a slit 46 for dispensing the glue and a profile provided with a plurality of teeth 50 with rectangular cross section to favour the distribution of the glue itself.
  • this element is able to spread, and not simply to spray, the glue onto the end 14a, 14b of the central portion 14 of the stopper 12.
  • the axis of the glue dispensing element is offset, in particular superiorly, relative to axis X of the cylindrical central portion 14, in order to allow a better distribution over the entire surface.
  • the method and the apparatus according to the present invention thus allow easily to join the plates to the central portion of the stopper.
  • the longitudinal axis of the central portion kept horizontal allows to obtain a stable configuration of the cylindrical body and thus easily to convey it and actuate it.
  • the horizontal configuration allows to rotate the stopper about its axis with no need to complicate the plant.
  • the rotation of the stopper allows a uniform application of the glue, and in particular of the single-component polyurethane glue which, being particularly dense, needs to be spread onto the surface - and not just sprayed - to guarantee an optimal grip.
  • the present first embodiment of an apparatus according to the present invention also allows to apply the plates simultaneously from both sides of the cylindrical central portion, whilst limiting the complexity of the plant.
  • Figures 7 through 17 show a second preferred embodiment 100 of an apparatus for producing stoppers 12 made of cork or the like, according to the present invention.
  • This second preferred embodiment 100 of apparatus in a first version illustrated in Figures 7 through 15, is particularly suitable for obtaining composite stoppers 12 that are composed, as shown in Figures 1A and 1B, by a main cylindrical body 14, having a longitudinal axis X, and at least an end face 14a extending transversely relative to said longitudinal axis X and by at least a discoidal element 16 that is joined to said cylindrical body 14, associating a respective transverse face 16a of said discoidal element 16 to said transverse face 14a of said main body 14, as well as by a second discoidal element 18 having a face 18a to be associated with a transverse face 14b of said cylindrical body 14, which is longitudinally opposite said first face 14a for the first discoidal element.
  • the present second embodiment of apparatus 100 comprises a support frame, globally indicated with the reference I.
  • the frame further comprises a horizontal plane IP, which separates the upper area for treating the product from the underlying area, which houses the means for actuating the operative devices for treating the product.
  • the present embodiment of apparatus thus comprises means 124 for supporting and advancing said stoppers being formed, which are able to support and advance said cylindrical bodies 14 with its own longitudinal axis X that is positioned substantially horizontal.
  • This arrangement is particularly advantageous. It allows, among other things, to operate simultaneously on both sides of the stopper. In this way, a greater rapidity is obtained in the preparation of said stoppers, as well as a particularly reduced length of the apparatus relative to similar known machines in this field.
  • the present apparatus configuration is easily modifiable, allowing a rapid and easy setting of a machine that is suitable for producing composite stoppers for sparkling wine bottles of the kind shown in Figure 1C, as shall be better described farther on.
  • the means for supporting and advancing the stoppers being formed are such as to advance said stoppers being formed in steps, with alternating advancement motion, presenting advancing phases followed by phases in which the stoppers being formed are stopped, on the occasion of which the various operative phases for forming the stopper are carried out.
  • the reference IF in particular indicates a longitudinal slit of said plane IP, which allows the means for supporting and advancing the stoppers being formed from extending in correspondence with the actual work areas on said stoppers.
  • the supporting and advancing means comprise first longitudinally fixed support and advance means 127a, able to support said cylindrical bodies 14 during the stopped phases, and second support means 127b, which are movable longitudinally in alternative fashion, forward and backward, and which cause said cylindrical bodies 14 to advance by steps of predefined length.
  • Each of said support and advance means retains the respective stopper being formed in a respective seat 128 for supporting the cylindrical bodies 14, which has appropriate longitudinal retention means 129a, 129b for the corresponding cylindrical body 14 and which is laterally opened, to allow the execution of the operations for readying corresponding longitudinal ends of the stopper 12.
  • said seat 128 comprises a semi-circular bearing surface 129 for the lower part of the peripheral surface of the cylindrical body 14 of the stopper being formed and is superiorly opened to allow the introduction of the cylindrical body 14 into the seat 128, in the initial phase of forming the stopper by the present apparatus.
  • Each seat 128 has, in correspondence with the longitudinal ends thereof, respective upwardly projecting portions 129a, 129b that are able to define said longitudinal retention means for the corresponding cylindrical body 14 of the stopper being formed.
  • said first and said second supporting means 127a, 127b comprise respective pluralities of seats 128 for receiving and supporting said cylindrical bodies 14 or stoppers 12.
  • first and second support means 127a, 127b are, in particular, in the form of longitudinally elongated elements, which are shaped superiorly in such a way as to define said seats 128 for supporting the stopper, each achieving a sort of comb configuration with upwardly oriented tines.
  • said first and second support means 127a, 127b are composed by respective first and second plates 127'a, 127'a; 127'b, 127'b, which are oriented vertically and transversely distanced from each other and shaped or contoured superiorly in such a way as to define together the respective seats 128 for receiving the cylindrical bodies 14.
  • the vertical plates 127'a, 127'a defining the support seats 128 of the stoppers 12 of the first support means 127a are positioned between the vertical plates 127'b, 127'b, which define the seats 128 for housing the stoppers of said second support and advance means 127b.
  • the support and advance means obtained are particular simple to build and require no particular maintenance operations.
  • Said first and said second means for supporting and advancing the bodies being formed 127a, 127b are alternatively movable vertically between a raised position for retaining the cylindrical bodies 14 and a lowered position for releasing the cylindrical bodies 14, in such a way as to allow said cylindrical bodies 14 to be passed to the other of said first 127a and said second 127b support means.
  • Said second means for supporting and advancing the bodies being formed 127a, 127b are, moreover, alternatively movable horizontally between a rear position, for picking up the stoppers being formed, and an advanced position, for releasing the stoppers being formed in correspondence with subsequent operative positions.
  • the stoppers being formed are held on said first support means 127a in raised position.
  • the first supporting means 127a are lowered and deliver the stoppers being formed to said second support means 127b, which, in turn, moved to the raised position.
  • said second support and advance means pick up the stoppers being formed, they advance the aforesaid stoppers by a predefined step.
  • the second support means 127b move downwards whilst said first support means 127a move upwards and again receive said stoppers 12 to allow the execution of an additional operation thereon.
  • said support and advance means 127a, 127b of the stoppers being formed cover an advance step that is twice the distance between a stopper and the next one, so that, as shall be clarified better farther on, in each station two stoppers at the time are worked, increasing the production rate or, with the same feeding rate, allowing for reduced stress and wear of the components of the machine.
  • said first support means 127a therefore comprise a longitudinally elongated element 127'a, 127'a, shaped in such a way as to define a respective aligned row of seats 128 for said stoppers 12.
  • said support means define the reference level or plane of the present apparatus.
  • this first elongated element 127a is supported by a frame T extending below the seat bodies 127'a, 127'a, or below the working plane or area of the stopper being formed.
  • means are provided that allow vertically to move said first elongated element 127a.
  • Said means able to move said element 127a vertically comprise appropriate guiding means, which comprise respective guiding elements 127c, integral with the frame I, whereon slide respective bushes 127d that are integral with the frame T, which supports the elongated element 127a.
  • actuation means comprise a tie rod 127'd that has an end 127e connected to said elongated crew 127'a, 127'a, and whose other end 127f is appropriately connected to the vertical actuation cam means.
  • the tie rod 127'd is vertically guided inside the hollow internal part of the corresponding element 127c, which is fastened to the frame of the apparatus and guides, with its outer part, a corresponding bush 127d of the frame T bearing the first support means 127a.
  • the aforementioned cam means which move the tie rod 127'd, comprise a triangular lever 127g having an end pivotally engaged, in 127h, to a longitudinal shaft A', fastened to the frame, and has a second end 127s, which is hinged with an end of a lower arm BC.
  • the third end of the lever 127g bears a cam-following roller 127i that runs on the command profile of a cam 1271 borne and made to rotate by a corresponding shaft A commanded in rotation by the actuating motor M of the apparatus (shown in Figure 7).
  • a spar indicated with the reference LO, connects said arm BC to the end 127f of a first and of a second tie rod 127'd and allows the simultaneous actuation thereof.
  • the aforementioned second means 127b for supporting and advancing the stoppers being formed comprise a longitudinally elongated element 127'b, 127'b, which is shaped in such a way as to define a respective aligned row of seats 128 for said stoppers 12, and means able to move horizontally said elongated element 127'b, 127'b.
  • These means able to move said elongated element 127'b, 127'b horizontally advantageously comprise a carriage CA, movable longitudinally and extending integral with and underlying said seat bodies 127'b, 127'b, and means for horizontally guiding said carriage CA, which are constituted by horizontal sliding rods 129', whereof one is shown in Figure 7.
  • said means able to move said carriage CA horizontally comprise a connecting rod 129a having an end connected to said carriage CA and the other end connected to a lever 129b oscillating in a horizontal plane, which is mounted on a contoured shaft 129c, moved in angular oscillation by a roller 129d integral with the lower end of the contoured shaft 129c and is able to slide on an appropriate cam borne on a wheel 129e (see Figure 7) integral and set in rotation by said main actuating shaft A of the machine.
  • Said means for actuating said carriage A forward and backward, with the exception of the cam 129e, are not shown in Figure 7.
  • means able to move said elongated element 127'b, 127'b vertically are further provided, which comprise vertical guidance means - constituted by respective vertical rods 127'c supporting said horizontal guides 129' of the carriage CA, which vertical rods slide inside bushes B' integral with the frame I of the apparatus - and means able alternatively to move, upward and downward, said vertical support rods 127'c.
  • said means for actuating the vertical support rods 127'c comprise an articulated tie rod P, which has an end 127'e and is connected to said vertical rods 127'c supporting said horizontal guides 129' of the carriage CA and another end 127'f is connected to the cam means for commanding the vertical motion.
  • Said cam means comprise a lever 127'g having its articulation pivot pin pivotally engaged, in 127'h, to the shaft A' fastened to the frame and having an end pivotally connected with said end 127'f of the strut P.
  • a second lever 127"g bears a cam-following roller 127'i that travels on the profile of a cam 127'l, borne on a corresponding shaft A, set in rotation by the actuation motor M. Said second lever 127"g is appropriately connected to the first lever 127'g that actuates a corresponding strut P.
  • a preferred way to connect said second lever 127"g to the first lever 127'g could consist of making them integral with the shaft A', which in this case would be made to rotate by an appropriate angle to command the vertical movement of the second means 127b for supporting and advancing the stoppers. In this case the connection between the shaft A' and the other actuating levers of the other organs of the machine would be of the freely rotating type so that its rotation does not influence the motion of said other organs.
  • the present apparatus is provided with advantageous means for the application of glue or adhesive material between said transverse connecting face 16a of the discoidal element 16 and said transverse connecting face 14a of the cylindrical body 14.
  • Said means for applying said glue are, in particular, in the form of means able to distribute a layer of glue on the entire face to be joined 14a, 14b.
  • these means for applying the glue are able to apply it in such a way that the applied glue has a thickness of the glue layer that is differentiated from an area to the other.
  • said glue is distributed according to strips of differentiated thickness, in particular according to circular strips.
  • said means for distributing said glue layer comprise means 142 for emitting the glue layer on the face to be joined, in particular on the transverse face 14a of said cylindrical body 14.
  • the present emission means 142 emit said glue according to a horizontal direction, substantially perpendicular to the face 14a, whereon said glue is to be spread.
  • said means 142 for emitting the glue emit the glue in substantial contact with the face 14a whereon it is to be applied, the openings for the emission thereof being separated from the face to be treated by a distance equal to the length of the spreading teeth.
  • said means for distributing said glue layer are constructed in the form of means able to spread said layer of glue on the face to be joined.
  • said spreading means comprise means 142a that extend parallel to the face 14a whereon said glue is to be spread and which are able to engage said face to be joined.
  • said engagement means are defined by the front part or end 142a of said means for emitting the glue, which said front part or emission head has a contact surface 150 of the face whereon the glue is to be spread which is toothed - as shown in particular in Figure 9B - in such a way as to obtain a differentiated thickness of the layer of glue and a better adherence capacity, at least in the initial processing phases. Moreover, during the subsequent phases of compression of the faces to be joined, the risk of glue being expelled laterally is minimised.
  • said teeth 150 extend anteriorly from said front surface of the head and are shaped substantially with a triangular profile.
  • each engagement element 142a extends horizontally and also has a predefined length (see Figure 8A), greater than half the diameter of the face 14a whereon the glue is to be applied and is positioned in such a way as to involve an extension that is equal to or greater than half said diameter, of the face to be spread 14a, thereby guaranteeing that, when the face whereon the glue is to be distributed is made to rotate, the glue is spread on the entire surface of said face 14a.
  • the emission head of the dispensing gun has a first and a second elements 142a, 142a for emitting and spreading the glue, which are set mutually side by side, in a single body, to enable the simultaneous distribution of glue on two faces belonging to two different bodies 14, 14 positioned one after the other according to their direction of advance.
  • said emission means comprise a dispensing gun 142b, which is able to heat the glue emitted thereby.
  • the glue is conveyed through a conduit 142c under pressure inside a section 142d of said dispensing gun which provides for heating the glue and is emitted, subsequently, through at least a corresponding hole provided in the front part or head 142a of the dispensing gun.
  • This gun for the emission of hot glue with the exception of the spreading block 142a is essentially known and does not need any additional detailed description.
  • the front part or head 142a provided by the present inventor.
  • these emission means 142 are positioned laterally to the line of longitudinal advance of the cylindrical bodies 14 maintained with their axis horizontal. Means are provided for moving said means 142a for emitting the glue, starting from a rear position shown in Figure 9A, towards and against the respective face 14a of the cylindrical body 14 whereon the joining glue is to be applied.
  • actuating means which are not expressly shown in Figure 9A, are able to move the block 142' which carries the emitter of the glue 142 between a forward position (not shown in the accompanying figures) for emitting the glue and a rear position, shown in Figure 9A, which allows the forward translation of the stoppers being formed.
  • actuating means are commanded by the individual actuating shaft A of the present apparatus and are wholly similar to those for the means to compress the stoppers being formed, which shall be described better farther on. In this translating and transverse movement of the block 142'.
  • said block 142' that bears the gun for emitting the glue is borne able to slide on horizontal guidance bars 142'g of a small frame 142't integral with the frame IP of the apparatus.
  • Elastic means 142m are provided, able to maintain said engagement and glue spreading means in advanced thrusting position against said face 14a whereon the glue is to be applied. In this way, contact against said face and an efficient spreading of the glue are assured.
  • These elastic means are in the form of springs 142m which are provided between the block 142', integral with the emitting gun 142, and a rear wall 142'p of said small frame 142't.
  • the elasticity of the spring 142m is such that, after said block 142' and the gun 142 have been brought to the forward position, said spring 142m is still able to provide a further elastic thrust action of the front part for engaging the gun 142 against said cylindrical body 14.
  • means are provided, indicated in Figure 7 with the reference 144, able to move relatively to each other said face to be joined 14a and said means for emitting the glue or contact and spreading means.
  • These means 144 for rotating the cylindrical bodies 14 are supported, in correspondence with the glue distribution area, in a position overlying said means for supporting the cylindrical bodies 14, in such a way as to engage and move said cylindrical body 14, making it execute a rotary motion.
  • Said rotating means comprise an organ 144 for the tangential engagement of the peripheral cylindrical surface of said cylindrical body 14, which is movable in the tangential direction to the axis of the cylindrical body 14, in such a way as to drive the cylindrical body in rotation.
  • said organ for driving the cylindrical body 14 in rotation is in the form of a continuous belt or the like 144, which has a tangential contact and driving surface for said cylindrical body 14, and is driven on suitable guiding means.
  • Said guiding means comprise a first and a second roller 144a, 144c, which are longitudinally distanced from each other, in such a way as to define a lower segment 144' for engaging and driving in rotation said cylindrical bodies 14.
  • the lower driving segment 144' has such a length as to allow to drive in rotation at least a pair of said cylindrical bodies 14.
  • Means are provided for setting said belt 144 in rotation.
  • the first of said driving rollers 144a is made to rotate by means of a toothed belt 144c, which extends longitudinally, between a toothed pulley 144'a, integral with the same axis of said first roller 144a, and an additional toothed pulley 144d.
  • This pulley 144d is connected by means of a shaft 144'd to an additional toothed pulley 144e, which received motion from yet another toothed pulley 144f that extends vertically and receives motion from an electric motor 144m.
  • Means are provided, able to actuate said means 144 for rotating the cylindrical bodies 14 between a lowered position for engaging and driving in rotation said cylindrical bodies 14 and a raised position that allows said cylindrical bodies to advance.
  • said means able to move vertically said arm 144g which brings the means for rotating the cylindrical bodies 14, comprise a vertical rod 144h commanded to move vertically, in alternating motion, through suitable cam means actuated by the rotation of said single actuating shaft A (these means not being expressly shown in the accompanying figures and being shaped in substantially similar fashion to that illustrated for the other operative parts of the present machine).
  • Said vertical rod 144h moves a horizontal arm 144i, whereon is keyed a contoured transverse rod 144l, which is borne free to rotate by said frame I and which has its other end connected to said arm 144g, which bears the rotating means.
  • the motion of the lever 144i causes said arm 144g, bearing the means for rotating the stopper, to swivel in a vertical plane.
  • These means for driving in rotation allows to adjust the vertical position of said means for driving in rotation said cylindrical bodies to allow to operate on cylindrical bodies of different diameter.
  • the driving belt can swivel relative to the support arm adapting to the diameter of the stopper body being formed.
  • means 132, 133, 134 are provided for supporting said cylindrical body 14 are able to support, in rolling fashion, said cylindrical body 14.
  • Said rolling support means comprise for each cylindrical body 14 at least a first 132, 133 and a second 133, 134 annular bearings or elements, whereon said cylindrical body 14 bears with its lower peripheral surface. Said rolling means are supported free to rotate in correspondence with respective seats 128, of the first support means 172a, which are situated in correspondence with the means for readying the glue.
  • a first and a second longitudinally distanced rotating elements 132, 134 are provided, which define respective rolling elements for corresponding first and second successive cylindrical bodies 14, 14 and also provided is an intermediate rotating element 133 longitudinally equidistant from said first and second extreme rotating elements 132, 134, which is able to define a common rolling element for said first and second successive cylindrical bodies 14, 14.
  • said means able to put said transverse connecting face 16a of the discoidal element 16 and said transverse connecting face 14a of the cylindrical body in mutual contact with each other advantageously comprise means 154 for applying said discoidal element 16 which bring it towards and against the face to be joined 14a of said cylindrical body 14.
  • Said application means 154 comprise an organ 154a for supporting said discoidal element 16.
  • Said supporting organ 154a comprises, as shown in Figure 10, a vertical plate 154b, exhibiting a circular profile 154c, which substantially conforms to the profile of said discoidal element 16 and from whose front surface extends inferiorly a horizontal lip 154d providing lower support for said discoidal element 16.
  • Said organ 154a for supporting said discoidal element 16 comprises a transverse block 154'd, which is supported by a frame 154e sustained by the frame IP of the apparatus.
  • Retaining means are provided, able to retain on said discoidal element 16, and to release therefrom, said support organ 154a.
  • Said retaining means are in the form of means able to create a vacuum in correspondence with the vertical face 154b of said support organ 154a.
  • Means are provided for maintaining said vacuum suitable for maintaining said discoidal element 16 on said support element 154a and for releasing said vacuum after said discoidal element 16 has been brought into contact with said cylindrical body 14.
  • These means able to create a vacuum comprise suction means (not shown in the accompanying figures) which are connected, through a respective conduit 154f in the block 154d of said application organ 154a, to holes 154g provided in said transverse face 154b.
  • Elastic means in the form of a spring 154m, are provided between the frame 154e and a support or block 154n, which bears the application means of the discoidal element and which is guided on horizontal rods 154s integral with the frame 154e. These elastic means allow to maintain under thrust said means for applying the discoidal element, when they are in advanced position, against said cylindrical body 14.
  • actuation means comprise means able to move a support block 154n transversely to the longitudinal axis of the apparatus.
  • These actuation means are not expressly shown in the accompanying figures, but are wholly similar to those of the means for compressing the discoidal element against the cylindrical body, better described below.
  • first means 158 are provided for compressing said transverse connecting face 16a of the discoidal element 16 and said transverse connecting face 14a of the cylindrical body 14 against each other. This compression allows to obtain a first substantial adhesion between the discoidal element and the cylindrical body.
  • said first means 158 for compressing said transverse connecting face 16a of the discoidal element 16 and of said transverse connecting face 14a of the cylindrical body 14 against each other comprise means 158 thrusting against said discoidal element 16.
  • Said means 158 for thrusting against said discoidal element 16 comprise a pad 158a for engaging said discoidal element 16.
  • the engagement pad 158a comprises an organ 158b for contacting or engaging said discoidal element 16.
  • the engagement pad 158a comprises a contact or engagement organ 158b extending perpendicularly to the axis of the stopper being formed, which has a circular profile 158c substantially conforming to the profile of said discoidal element 16.
  • Said pad 158a for engaging said discoidal element 16 is borne by a horizontal stem 158d supported by a block 158e supported in movable fashion, as shall become more readily apparent hereafter, by the frame of the apparatus.
  • the compression pads 158a have a flattened perpendicular engagement surface, with the exception of the compression pad 158'a, which act immediately downstream of said means for applying the discoidal elements and which present a projecting circular lip 158'l for engaging and centring the discoidal elements, as shown in Figure 11.
  • Means are provided for actuating said engagement pad 158a towards and from said discoidal element 16.
  • said actuating means are in the form of a transmission leverage commanded by suitable cam means.
  • Said actuating means comprise means able to move said support block 158e in a direction transverse to the longitudinal axis of the apparatus.
  • the block 158 is in particular supported able to slide on horizontal guiding rods 158g of a frame 158t fastened to the frame IP of the apparatus and it is moved between an advanced compression position and a rear position for the advancement of the stoppers.
  • This alternating motion of the block 158e is obtained by means of a knee-joint lever 1581 pivotally engaged, in its intermediate articulation point, to a longitudinal axis G, which has an end connected to the block 158e, whilst the other end is connected to an organ 158o movable vertically between a raised position and a lowered position.
  • This organ 158o comprises tie rod means 158p movable within respective bush means 158q fastened to the frame I of the apparatus.
  • Said tie rod means 158q are actuated by appropriate cam means, which comprise a triangular lever 158r having an end pivotally engaged, in 158s, to a shaft A', fastened to the frame, and has a second end that is pivotally engaged to said lower end 158u of an articulated tie rod TI, which is connected to the lower part of said vertically movable organ 158o.
  • the third end of the lever 158r bears a cam-following roller 158v which runs on the command profile of a cam 158z that is borne and made to rotate by a corresponding shaft A set in rotation by the actuating motor M of the apparatus (shown in Figure 7).
  • the present configuration of the movable organ 158o allows, as shown, the simultaneous actuation of two opposite compression means 158, 158.
  • elastic means 158h able to maintain said pad 158a in advanced position thrusting against said discoidal element 16. In this way, the thrusting contact against said discoidal element is assured even in the case of cylindrical bodies of different length. As Figure 11 shows, these elastic means act between said pad 158a and a transverse extension of the supporting block 158e.
  • a series of successive compressions are provided for fastening the discoidal elements 16, 16 to the respective cylindrical body 14, 14.
  • two stoppers are compressed at the time.
  • Figure 8A eight consecutive compression phases are provided for each stopper.
  • Each of these compressions is applied with a high specific pressure and they are imparted for a reduced time corresponding to the duration of the stopped phase in the advancement of the stoppers.
  • FIG. 7 shows, further provided are means for providing said cylindrical bodies 14, which comprise a loading hopper (not shown in the accompanying figures), of the type actuated in vibration to cause the advancement of said cylindrical bodies 14, and a slide or channel TS1 for conveying the cylindrical bodies 14.
  • Appropriate means are able to release said cylindrical bodies 14 in sequence at the end of said conveying slide or channel.
  • Said release means comprise a first "L" shaped lever L1 for the corresponding channel, which is articulated in correspondence with a its own end to said slide and has at its end a folded portion which extends normally inside the path defined by said channel TS1 to interfere with the trajectory and retain the cylindrical body which is the first to be released of the aligned row of cylindrical bodies being fed on said channel.
  • a second lever L2 substantially similar to the previous one and which normally does not interfere within the conveying space of said channel TS1
  • a second lever L2 is commanded to insert itself with its own end folded and pointed within the aforesaid path of the second cylindrical body of the row of said bodies 14, in such a way as to retain it and prevent it from following the first body to be offloaded.
  • the two levers L1 and L2 return to the starting position ready for a new release cycle.
  • the actuation of said levers is executed through cam means commanded by the shaft A. This actuation, which is similar to the previously described actuation, is not shown in detail in order not to burden excessively the present description.
  • the present supply means are able, in particular, to supply a pair of said cylindrical bodies 14, 14 in corresponding channels TS1', TS1" set side by side or, as in the present case, mutually superposed.
  • a pair of levers L1 and a pair of levers L2 are thus used, each lever being destined to be used in correspondence with a respective channel.
  • the slide TS1 extends with at least a portion or an end E1 for transferring the cylindrical bodies positioned above the area for the loading of the cylindrical bodies by said feeding means.
  • FIG. 7 shows, further provided are means for supplying said first discoidal elements 16, which comprise a loading hopper T2, of the type actuated in vibration to cause the advancement of said discoidal elements 16, and a slide or channel TS2 for conveying the discoidal elements 16.
  • Means able to release said discoidal elements 16 in sequence at the end of said conveying slide or channel are provided.
  • Said supply means are able to supply a respective discoidal element 16 in a position downstream of the area for the release of said cylindrical bodies 14 and downstream of the glue application area.
  • Said supply means are able to supply a pair of discoidal elements 16, 16 in corresponding channels TS2', TS2" set side by side or mutually superposed.
  • Said slide extends with at least a portion or an end E2 for transferring the cylindrical bodies positioned above the area for loading the discoidal elements 16 by said supply means.
  • the means for releasing said first discoidal elements 16 at the end of the respective corresponding channel are wholly similar to those for said cylindrical bodies 14 and it is therefore not necessary to describe them again.
  • Said supply means are able to supply a respective discoidal element 18 in a position downstream of the area for releasing said cylindrical bodies 18 and downstream of the glue application area, on the opposite side from that of the supply of said first discoidal elements 16, 16.
  • These second means for supplying the discoidal elements are able to supply a pair of said discoidal elements 18, 18, in corresponding channels set side by side or mutually superposed.
  • Said second slide for the discoidal elements extends with at least a portion or and end for transferring the cylindrical bodies positioned above the area for loading the discoidal elements 18 by said feeding means.
  • the means for releasing the second discoidal elements 18 at the end of the respective corresponding channel are wholly similar to those for said cylindrical bodies 14 and it is therefore not necessary to describe them again.
  • FIG. 7 shows, further provided are guiding and sliding means acting superiorly to said cylindrical bodies 14 which comprise a longitudinal bar BL positioned above said cylindrical bodies 14, which is able to be contacted by the upper edge of their peripheral profile and extends at least starting from the area for supplying the first discoidal elements to the end for transfer by said advancement means to said further compression and transfer means, better described hereafter.
  • This longitudinal vertical guiding and retaining bar BL is connected to said frame relative whereto it is sprung thanks to springs BL' that dampen contact with said cylindrical bodies 14 and defines means for compensating the differences in diameter that the cylindrical bodies 14 could have.
  • the present apparatus is further advantageously provided with means 172' for the subsequent compression and transfer of the stoppers 12, which are able to compress axially, in continuous fashion, said stoppers 12 and are actuated in longitudinal advancement to provide for the transfer of the stoppers 12, towards the exit of the present apparatus.
  • These compression and transfer means comprise a first and a second belt 172, 172, which have respective segments 172a, 172a for conveying the stoppers, which segments extend parallel and mutually distanced transversely and between which are held said stoppers 12 with continuous axial compression.
  • Means for actuating said belts 172, 172 in rotation are provided. These means for actuating in rotation comprise a respective driving roller 172b.
  • the reference numbers 172c indicate respective driving and transmission rollers for the corresponding belt 172.
  • actuating means comprise, as shown in Figure 7, a toothed transmission belt CD, which is connected in rotation to said main actuating shaft A by means of suitable operative connection means comprising, as shown in the detail of Figure 15, a pulley, indicated in Figure 7 with the reference P1, which actuate through a belt C1 a successive pulley P2, which through an angular transmission R1, wholly known, sets in rotation, in a longitudinal plane, a pulley P0 for actuating said toothed belt CD.
  • said belt CD then sets in rotation an additional pulley P0', which is operatively connected to the wheels 172b for driving said belts 172, 172, for instance by means of a respective gear (not shown the accompanying figures). In this way, a continuous rotation actuation is obtained for said advancement belts 172a, 172a.
  • Adjustment means can be provided for mutually approaching, and respectively, distancing said first and second longitudinal belts 172, 172, in such a way as to adapt the distance between said belts to the length or height of the stoppers being processed. Said means are not expressly shown in the accompanying figures.
  • a slide S that extends starting from the end in which the stoppers 12 are received by said means 172 for compressing and transferring the stoppers 12, remaining below them. Said slide S receives the stoppers which, being defective, are not withheld between said compressing and transferring means 172 and thus fall onto the slide S.
  • Said second operative means for readying the second disk comprise, as clearly shown in Figure 8A, means 142 for applying the glue, means 154 for applying the disk, and compressing means 158.
  • Said devices or means for readying the second disk 18, 18 are wholly identical and have already been described in relation to the devices for the application of the first disk and therefore it is not necessary to describe them again.
  • said operative means acting to ready the first disk and those acting to ready the second disk act simultaneously on both sides of the respective stopper being formed, with mutually compensating axial thrust actions.
  • an Encoder E for the determination of the angular position of the shaft for actuating the cams which has a shaft E', set in rotation, by means of a respective belt CE, by a corresponding shaft AE projecting from the reduction gear R from the side opposite the one wherefrom the shaft A of rotation of the cams projects.
  • an automatic machine for the production of composite stoppers 12, in which the actuation of the various parts of the machine is guaranteed in synchronised fashion by a single actuating shaft A whereon are mounted the actuating cams and which projects from a reduction gear actuated by a single motor M.
  • the reference A' indicates a pivoting shaft for the actuating levers which extends parallel to said shaft A.
  • the motor M has a pulley PM connected to its own shaft which is connected by means of a belt CR to a pulley PE actuating a shaft entering the reduction gear R.
  • FIG. 16 and 17 a second version of this second preferred embodiment of apparatus according to the present invention is shown.
  • This second version is particularly suited for the production of composite stoppers of the kind shown in Figure 1C, in which the second discoidal element, indicated here with the numerical reference 19, has a respective face 19a to be associated with a transverse face 16b of the first discoidal element 16 already positioned on the cylindrical body 14 made of granular cork.
  • the cork disks 16, 19 are applied on the same side of the cylindrical body 14 defining stoppers that are particularly suited for bottles of sparkling wines.
  • second means downstream of the first means for readying the first discoidal element 16, on the same side of the apparatus, second means are provided for readying a second discoidal element 19 on said first discoidal element 16.
  • the means for supplying the second discoidal elements 19, 19 are wholly similar to those of the first version and therefore need not be described in detail.
  • said supply means differ only in that they are able to supply respective discoidal elements 19, 19 in a position downstream of the area for releasing said cylindrical bodies 14 and of the area for providing said first discoidal elements 16, 16, as well as downstream of the area of application of the glue on the outer side of said first discoidal elements 16, 16.
  • the means TS3 for supplying the disks 19 are schematically shown, drawn in dashed lines, in said Figure 7.
  • lateral guidance and contrast means comprise a longitudinal bar B whereon slide the cylindrical bodies 14 engaging said bar with the side that is opposite that of application of the discoidal elements 16 and 19.
  • the second means for applying the glue for the second disks 19, 19 are located in a position downstream of the area of application of the first disks 16, 16 and apply said glue on the face of said first discoidal elements 16, 16 which is opposite that of attachment to the respective cylindrical body 14, 14.
  • Second means for applying the glue Downstream of said second means for applying the glue are provided second means for applying the second discoidal elements 19, 19 on the face 16b of said first discoidal elements 16, 16, whereon the glue has been distributed.
  • Said second means for applying the glue and second means for applying the second discoidal elements are wholly similar to the analogous means of the first embodiment and therefore it is not necessary to describe them in detail.
  • means 158 are provided, exerting one or more compression actions on said first discoidal elements 16, 16 against said cylindrical bodies 14, 14, which are positioned between said means for applying the first discoidal element 16, 16 and said means for applying the glue on said first discoidal elements 16, 16.
  • second means 158 exerting one or more compression actions on said first discoidal elements 16, on said second discoidal elements 19, 19 against said first discoidal elements 16, 16 downstream of said means for applying the second discoidal elements 19, 19. These second compression means therefore also further compress said discoidal elements 16, 16 against said cylindrical bodies 14, 14.
  • first and second impulsive compression means 158 are wholly similar to those of the first version and therefore they need not be described again.
  • the means for rotating the cylindrical bodies have been modified, relative to the first version, in such a way as to have a second extension arm 144p, which supports and allows the readying, in addition to the first engagement organ 144' for the glue-spreading rotation for the first disks 16, 16, of a second organ 147 for the tangential engagement of the cylindrical peripheral surface of said cylindrical body 14 which is located - in a position above said means for supporting the cylindrical bodies 14 - in correspondence with the second area for distributing the glue on said discoidal elements 16, 16, in order to allow the application of second discoidal elements 19, 19.
  • this second engagement organ 147 is movable in a direction tangential to the axis of the respective cylindrical body 14, in such a way as to drive in rotation the cylindrical body itself.
  • the apparatus uses a single belt 144, which defines a first and a second surface 144', 144' for contacting and tangentially driving said cylindrical body 14, which is driven on suitable guiding means.
  • Said guiding means comprise, in addition to the rollers 144a, 144b, wholly similar to those of the previous embodiment, a first and a second rollers 147a, 147b longitudinally aligned and mutually distanced in such a way as to define an upper segment 147' for the engagement and rotary driving of said cylindrical bodies 14.
  • This second lower driving segment 147' also has such a length as to allow to drive in rotation at least a pair of said cylindrical bodies 14.
  • the individual belt 144 that is driven on said rollers 144a, 144b, 147a, 147b and on additional transmission rollers 147c, 147d defining a raised segment for said belt which allows the placement of a longitudinal bar 147e, between said first rotation means 144 and said second rotation means 147, able to guide or hold vertically said cylindrical bodies during the phases of application of the first discoidal elements 16, 16 and of first compression.
  • Said longitudinal vertical retaining rod 147e is mounted elastically on said second arm 144p, by means of springs 147f, 147f that allow to dampen the contact with said cylindrical bodies 14.
  • means are provided that are able to move the arm 144g and, together with it, said means 144p for supporting the rotation means 144 of the cylindrical bodies 14, between a lowered position for engaging and driving in rotation said cylindrical bodies 14 and a raised position that allows the advancement of said cylindrical bodies.
  • FIG. 8A shows, in the first version of this second apparatus, there are four intermediate compression pads, supported on a respective intermediate block 158e and which are designed to be removed, together with said block, to allow the arrangement of said means for applying the glue and the second disk 19, in the second version.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Closures For Containers (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Sealing Of Jars (AREA)
  • Making Paper Articles (AREA)
EP01830434A 2000-06-30 2001-06-28 Procédé et dispositif pour la fabrication de bouchons Withdrawn EP1166982A3 (fr)

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IT2000BO000384A IT1321304B1 (it) 2000-06-30 2000-06-30 Procedimento e dispositivo per la realizzazione di tappi.
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270703A2 (fr) * 2001-06-27 2003-01-02 Henkel Kommanditgesellschaft auf Aktien Adhésif thermofusible de polyuréthane pour la fabrication de bouchons en liège
EP1300224A1 (fr) * 2001-10-03 2003-04-09 Alberto Ferrero Machine pour l'assemblage de bouchons collés
EP1512705A1 (fr) * 2003-09-02 2005-03-09 C.O.I.M. S.p.A.- Chimica Organica Industriale Milanese Procédé de préparation de dispersions aqueuses de polyuréthanes presentant une stabilité à l'hydrolyse ameliorée et leur utilisation comme adhésif
EP2093032A1 (fr) 2008-02-21 2009-08-26 José Luis Godoy Varo Procédé et appareil pour la fabrication de bouchons de liège multicouche et bouchons de liège multicouche
US20090236306A1 (en) * 2006-10-17 2009-09-24 Pietec-Corticas, Lda. Stoppers of composite cork material for sparkling wines and the process for their production
CN101544007A (zh) * 2009-02-20 2009-09-30 宋树建 一种木塞加工设备
US8807363B1 (en) * 2013-05-19 2014-08-19 James R. Gilliam Wine cork having molded anti-taint barrier tip
US9221177B2 (en) 2012-04-18 2015-12-29 Massachusetts Institute Of Technology Neuromuscular model-based sensing and control paradigm for a robotic leg
WO2016195521A1 (fr) * 2015-05-29 2016-12-08 Amorim Cork Research, Lda. Ensemble et procédé permettant d'organiser des piles de bouchons de liège et machine comprenant ledit ensemble

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0927613A2 (fr) * 1997-12-30 1999-07-07 NERI F. & C. S.n.c. Procédé et appareil pour la fabrication de bouchons

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0927613A2 (fr) * 1997-12-30 1999-07-07 NERI F. & C. S.n.c. Procédé et appareil pour la fabrication de bouchons

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270703A3 (fr) * 2001-06-27 2003-07-02 Henkel Kommanditgesellschaft auf Aktien Adhésif thermofusible de polyuréthane pour la fabrication de bouchons en liège
EP1270703A2 (fr) * 2001-06-27 2003-01-02 Henkel Kommanditgesellschaft auf Aktien Adhésif thermofusible de polyuréthane pour la fabrication de bouchons en liège
EP1300224A1 (fr) * 2001-10-03 2003-04-09 Alberto Ferrero Machine pour l'assemblage de bouchons collés
EP1512705A1 (fr) * 2003-09-02 2005-03-09 C.O.I.M. S.p.A.- Chimica Organica Industriale Milanese Procédé de préparation de dispersions aqueuses de polyuréthanes presentant une stabilité à l'hydrolyse ameliorée et leur utilisation comme adhésif
RU2461504C2 (ru) * 2006-10-17 2012-09-20 Пиетэк-Кортикас, С.А. Пробка из композитного пробкового материала для игристых вин и процесс ее изготовления
US20090236306A1 (en) * 2006-10-17 2009-09-24 Pietec-Corticas, Lda. Stoppers of composite cork material for sparkling wines and the process for their production
EP2093032A1 (fr) 2008-02-21 2009-08-26 José Luis Godoy Varo Procédé et appareil pour la fabrication de bouchons de liège multicouche et bouchons de liège multicouche
CN101544007A (zh) * 2009-02-20 2009-09-30 宋树建 一种木塞加工设备
CN101544007B (zh) * 2009-02-20 2014-02-26 宋树建 一种木塞加工设备
US9221177B2 (en) 2012-04-18 2015-12-29 Massachusetts Institute Of Technology Neuromuscular model-based sensing and control paradigm for a robotic leg
US9975249B2 (en) 2012-04-18 2018-05-22 Massachusetts Institute Of Technology Neuromuscular model-based sensing and control paradigm for a robotic leg
US8807363B1 (en) * 2013-05-19 2014-08-19 James R. Gilliam Wine cork having molded anti-taint barrier tip
WO2016195521A1 (fr) * 2015-05-29 2016-12-08 Amorim Cork Research, Lda. Ensemble et procédé permettant d'organiser des piles de bouchons de liège et machine comprenant ledit ensemble

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ITBO20000384A0 (it) 2000-06-30
ITBO20000384A1 (it) 2001-12-30
IT1321304B1 (it) 2004-01-08
EP1166982A3 (fr) 2003-05-14

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