EP2045208A2 - Tête thermique pour capsules d'étanchéité de rétrécissement thermique sur des goulots d'étranglement - Google Patents

Tête thermique pour capsules d'étanchéité de rétrécissement thermique sur des goulots d'étranglement Download PDF

Info

Publication number
EP2045208A2
EP2045208A2 EP08007081A EP08007081A EP2045208A2 EP 2045208 A2 EP2045208 A2 EP 2045208A2 EP 08007081 A EP08007081 A EP 08007081A EP 08007081 A EP08007081 A EP 08007081A EP 2045208 A2 EP2045208 A2 EP 2045208A2
Authority
EP
European Patent Office
Prior art keywords
heating
head
capsule
heating member
shield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08007081A
Other languages
German (de)
English (en)
Other versions
EP2045208A3 (fr
EP2045208B1 (fr
Inventor
Piergiorgio Robino
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.)
Robino and Galandrino SpA
Original Assignee
Robino and Galandrino SpA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robino and Galandrino SpA filed Critical Robino and Galandrino SpA
Publication of EP2045208A2 publication Critical patent/EP2045208A2/fr
Publication of EP2045208A3 publication Critical patent/EP2045208A3/fr
Application granted granted Critical
Publication of EP2045208B1 publication Critical patent/EP2045208B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67B—APPLYING CLOSURE MEMBERS TO BOTTLES JARS, OR SIMILAR CONTAINERS; OPENING CLOSED CONTAINERS
    • B67B5/00—Applying protective or decorative covers to closures; Devices for securing bottle closures with wire
    • B67B5/03—Applying protective or decorative covers to closures, e.g. by forming in situ
    • B67B5/036—Applying protective or decorative covers to closures, e.g. by forming in situ the covers being heat-shrinkable

Definitions

  • the present invention relates to a heating head for thermally shrinking sealing capsules made of a thermally shrinkable material on the necks of bottles arranged along a bottling line of liqueur, wine, oil, and the like.
  • the bottles are filled and then closed by a plug which, e.g., may be made of cork or metal. Then, the bottles are fed to a capsule-feeding device which individually draws the capsules from a pile and fits them onto the bottle necks. Thereafter, the bottles are fed by an auger to a heating carousel supporting a plurality of heating heads provided with a resistor. Then, the heads are lowered under control of a cam-based guide system to surround the necks of the bottles through a fixed length of the carousel stroke, so that the material of the capsule is heated and consequently shrinks around the bottle.
  • a plug which, e.g., may be made of cork or metal.
  • the bottles are fed to a capsule-feeding device which individually draws the capsules from a pile and fits them onto the bottle necks. Thereafter, the bottles are fed by an auger to a heating carousel supporting a plurality of heating heads provided with a resistor. Then, the heads are lowered under control of
  • Figs. 2 , 3 show an improved heating head 20 according to the invention.
  • Head 20 is supported on a frame 22 and is conventionally movable in a vertical direction between an upper, resting position and a lower, operative position, under control of cam-based guides (not shown). Accordingly, the period of time through which the heating head is in its operative position is not fixed but may be shorter or longer depending on how fast the carousel rotates (faster of slower respectively).
  • Heating head 20 comprises a vertical axis cylindrical shell 24 attached to frame 22 and terminating at its opposite ends with a lower wall 26 and an upper wall 28 which are provided with respective axial openings 26a, 28a.
  • a spiral-shaped resistor 30 is coaxially supported within shell 24 and defines a substantially cylindrical heated chamber 30a, which is sized to surround the bottle neck with capsule when the head is lowered in its operative position.
  • the cylindrical wall of shell 20 consists of a layer of an insulating material 20a sandwitched between two steel sheets 20b, 20c. Spiral resistor 30 is connectable to power supply means via a connector 31.
  • Frame 22 supports a vertical bush 44, in which a hollow column 46 having a ballast 48 fixed to its upper end is axially slidable.
  • a cooling tube 50 is coaxially supported within hollow column 46 and has its upper end connectable to a cold air feeding pump P (only diagrammatically shown in Fig. 3 ). The lower end of cooling tube 50 is connected to an air nozzle 52 attached to the lower end of column 46.
  • Actuator 34 is operatively connected to a hydraulic pump A controlled by a control unit CU (only diagrammatically shown in Fig. 3 ).
  • Control unit CU is programmed to raise shield 32 when carousel 18 has reached a predetermined angular position (which is conventionally detected by a sensor, not shown) immediately after the bottle has been trasferred to carousel 18 and the head has been lowered to surround the neck of the bottle, and then to drop shield 32 after a predetermined period of time chosen such as to expire before, or at most at the same time that, the head starts rising again.
  • the capsule is heated for a fixed, controlled period of time which does not depend on the carousel speed, with considerable reduction, or even elimination, of the rejects resulting from over-radiation or under-radiation of the capsule.
  • the shield and the frame supporting the latter can be manufactured in such a way as to be very light, so that the shield may be driven very quickly and the transient between its upper position and its lower position can be minimized. Consequently, an even heating action is substantially applied for the same period of time upon all the areas of the capsule.
  • the heating action is preferably, but not necessarily, applied for a period of time such that, even when the carousel rotates at its maximum speed, shield 32 is dropped before head 20 starts rising.
  • the actuator which operates the shield may be of a different type, e.g., it could be a pneumatic or electric actuator.
  • the shield is controlled in such a way that it switches from its working position to its resting position after the head has reached its operative position, and then from its resting position to its working position before the head starts rising again, so that the capsule is not subjected to the heating action while the head moves, in order to prevent the above cited unevennes.
  • the timer could be adjusted in a different way, e.g., when the carousel speed is high enough to make this transient irrelevant.

Landscapes

  • Closing Of Containers (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)
  • Package Closures (AREA)
  • Processing Of Terminals (AREA)
EP08007081A 2007-07-13 2008-04-10 Tête thermique pour capsules d'étanchéité de rétrécissement thermique sur des goulots d'étranglement Active EP2045208B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000520A ITTO20070520A1 (it) 2007-07-13 2007-07-13 Testa riscaldante per la retrazione termica di capsule sigillanti di materiale termoretraibile calzate su colli di bottiglie avanzanti lungo una linea di imbottigliamento

Publications (3)

Publication Number Publication Date
EP2045208A2 true EP2045208A2 (fr) 2009-04-08
EP2045208A3 EP2045208A3 (fr) 2009-04-22
EP2045208B1 EP2045208B1 (fr) 2011-05-04

Family

ID=40225438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08007081A Active EP2045208B1 (fr) 2007-07-13 2008-04-10 Tête thermique pour capsules d'étanchéité de rétrécissement thermique sur des goulots d'étranglement

Country Status (5)

Country Link
EP (1) EP2045208B1 (fr)
AT (1) ATE508092T1 (fr)
DE (1) DE602008006647D1 (fr)
ES (1) ES2366161T3 (fr)
IT (1) ITTO20070520A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800011145A1 (it) * 2018-12-17 2020-06-17 Robino & Galandrino Spa Testa termica per il restringimento di corpi assialsimmetrici cavi in materiale termoretraibile preformato su contenitori e oggetti in genere.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3615532A1 (de) * 1986-05-07 1987-11-12 Kronseder Maschf Krones Gefaessausstattungsmaschine
DE9110760U1 (de) * 1991-08-30 1991-11-21 Reder, Ernst, 6524 Guntersblum Vorrichtung zum Aufschrumpfen von Flaschenkapseln

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201800011145A1 (it) * 2018-12-17 2020-06-17 Robino & Galandrino Spa Testa termica per il restringimento di corpi assialsimmetrici cavi in materiale termoretraibile preformato su contenitori e oggetti in genere.

Also Published As

Publication number Publication date
ATE508092T1 (de) 2011-05-15
EP2045208A3 (fr) 2009-04-22
EP2045208B1 (fr) 2011-05-04
ITTO20070520A1 (it) 2009-01-14
ES2366161T3 (es) 2011-10-17
DE602008006647D1 (de) 2011-06-16

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