EP0104292A1 - Verfahren und Vorrichtung zum Abgeben von thermo-schrumpfbaren Kappen, die auf sich bewegende Behälter fallen - Google Patents

Verfahren und Vorrichtung zum Abgeben von thermo-schrumpfbaren Kappen, die auf sich bewegende Behälter fallen Download PDF

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Publication number
EP0104292A1
EP0104292A1 EP82420129A EP82420129A EP0104292A1 EP 0104292 A1 EP0104292 A1 EP 0104292A1 EP 82420129 A EP82420129 A EP 82420129A EP 82420129 A EP82420129 A EP 82420129A EP 0104292 A1 EP0104292 A1 EP 0104292A1
Authority
EP
European Patent Office
Prior art keywords
sheath
section
container
sections
movement
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
EP82420129A
Other languages
English (en)
French (fr)
Other versions
EP0104292B1 (de
Inventor
Albert Scheidegger
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.)
Ets Scheidegger W & Cie SA
Original Assignee
Ets Scheidegger W & Cie SA
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 Ets Scheidegger W & Cie SA filed Critical Ets Scheidegger W & Cie SA
Priority to EP82420129A priority Critical patent/EP0104292B1/de
Priority to DE198282420129T priority patent/DE104292T1/de
Priority to DE8282420129T priority patent/DE3274542D1/de
Priority to AT82420129T priority patent/ATE23982T1/de
Publication of EP0104292A1 publication Critical patent/EP0104292A1/de
Application granted granted Critical
Publication of EP0104292B1 publication Critical patent/EP0104292B1/de
Expired legal-status Critical Current

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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 invention relates to a method and a device for dispensing heat-shrinkable skirts on the fly on moving containers.
  • skirts made of heat-shrinkable synthetic material. These skirts are cut from a flattened sheath to form a section which must then be opened to present the tubular shape allowing its introduction onto the container. next, the container, with its skirt, passes close to heating means which, by their heat release, cause the skirt to shrink on the container.
  • the method according to the present invention aims to remedy these drawbacks by making it possible to continuously deposit, on moving containers, decorative skirts cut from a flattened sheath and formed before being placed on the container.
  • this section consists more specifically in driving this section at a speed greater than that of displacement of the sheath, in controlling the transverse deformation of this section so that at the moment when at least part of its lower edge comes into the horizontal trajectory of displacement of the container, its edges corresponding to the folds of the initial sheath and arranged in the longitudinal plane of displacement of the axes of the containers, converge opposite the container, to cause the moving sheath section to be grasped by the moving container and to complete the insertion of the sheath section on the container.
  • the device for implementing this method is of the type described in the aforementioned French patent application 77.12126, that is to say comprising a support for a flattened sheath coil, means arranged in the sheath and giving this last a flattened tubular shape whose major axis is perpendicular to that of its initial flattened shape, means for holding the aforementioned means, means for maintaining the sheath in the shape which is given to it and means for cutting a section of this sheath.
  • sectioning and section forming means means which are arranged so as to achieve the desired reliability and operating rate.
  • the sectioning means of this device are composed of two parallel rotary cylinders iont at least one is provided with knives parallel to its axis of rotation, these cylinders being followed, in the direction of movement of the sheath sections, on the one hand, means for driving each section at a speed greater than that of travel of the sheath and, on the other hand, guide means forcing each section of sheath to open gradually to form a tubular body the lower part of which, coming out of the aforementioned means, has a square shape in cross section and is oriented relative to the trajectory of the containers, while its upper part has a lozenge shape.
  • the sheath section is driven by the drive means at a speed greater than that of the sheath running, so that its posterior end is distant from the anterior end of the sheath continuing to advance.
  • the section is subjected to transverse stresses which tend to open it progressively, so as to give it the optimal shape, that is to say the shape allowing its introduction in the best conditions on the moving container which it will meet as soon as it leaves these guide means.
  • FIGS. 1 and 2 designates a sheath of heat-shrinkable synthetic material unwinding from a reel 3 carried by a suppozt 1.4 designates means arranged in the sheath 2 and giving the latter a flattened tubular shape whose major axis is perpendicular to that of its initial flattened shape.
  • These means are, for example, constituted by a polyhedron of the type described in French patent 77.12126 in the name of the Applicant, polyhedron whose upper edge 4a is held between two guide rollers 5, and whose l the lower edge 4b is held between two other guide rollers 6 whose axes of rotation are offset by 90 ° relative to those of the rollers 2.
  • Complementary guide rollers 7, the axes of rotation of which are parallel to the rollers 5, are arranged on either side of the lateral faces of the polyhedron in order to avoid any displacement of the latter during the travel of the sheath.
  • the two lateral folds 8 of the sheath 2 which originated from the crushing of the edges of the latter during its winding on the coil 3, come into the central part of the sheath, as shown at 8 in FIG. 4, while the central parts of the sheath unwinding from the reel 3 constitute the lateral edges 9 of the new flattened shape.
  • the flattened sheath passes between drive rollers 10 whose axes of rotation are parallel to those of the rollers 6.
  • rollers which are arranged so as to come in contact with the central zones of the sheath, are separated from each other by a distance substantially equal to the thickness of the sheath, so as to crush the folds 8 which pass between them.
  • this device also comprises means 12 for cutting the sheath, means for driving the section 14 thus cut and means 15 for guiding and controlling the transverse deformation of each section.
  • the sectioning means 12 consist of two rotary cylinders 16a-16b, arranged on either side of the path of the sheath 2 and whose axes of rotation, parallel to each other, are parallel to those of the rollers 10 and 6.
  • the cylinder 16a is provided with knives 17 which are parallel to its axis of rotation.
  • the means for driving the sections consist of two rollers 18 arranged on either side of the trajectory of the sheath sections 14. These rollers, the axes of rotation of which are parallel to those of the cylinders 16a-16b, are brought together. one from the other so as to crush between them at least the central part of the sheath sections 14.
  • the distance e between the plane P1 containing their axes of rotation and the plane P2 containing the axes of rotation of the cylinders 16a and 16b has a value substantially equal to or less than the length l of a section, so that, as soon as it is cut off in the sheath 2, the section is driven by these rollers.
  • These rollers are connected by a movement transmission, not shown.
  • the transmission ratio is determined so that the circumferential speed of these rollers is greater than the linear speed communicated to the sheath 2 by the drive rollers 10 and, for example, is equal to twice this speed.
  • the guide means 15 are associated with means 51 for spacing and positive drive of the sections 14.
  • These positive drive means consist of two parallel toothed belts 52, driven by toothed pulleys 53 arranged on either side of one of the rollers 18 and also passing over toothed return pulleys 54 wedged on a shaft 55 parallel to that 56 carrying the roller 18 and pulleys 53.
  • Each belt 52 has, projecting from it. outer face, several lugs 57 which coincide with the lugs 57 of the other belt.
  • the interval between two lugs is at least equal to the length of the sheath sections. In this embodiment, this interval is greater than the length of a section, so as to space the successive sections.
  • the shaft 55 is carried by links 58 articulated on the shaft 56 and adjustable angularly as a function of the dimensions of the sections, so that the belt can train these sections without disturbing their shaping.
  • the guide means 15 are constituted, as shown in FIG. 3, by two opposite slides 59 each having, facing each other, a groove 60 of variable triangular section.
  • the faces 61a-61b of each groove move away from one another from top to bottom, in the direction of travel, while their bottom 62 moves closer to the bottom on the other groove.
  • These slides are arranged laterally on either side of the path of the lugs 57 of the belts and so as to only cooperate with the edges 9 of the sections.
  • the longitudinal axis of the device, as well as the path of movement of the sheath 2, then of sections 14, are inclined on the horizontal in the downstream direction relative to the direction of movement of the containers.
  • this pallet 42 has two lateral wings 43 having a U-shaped section and which, thanks to its inclination, but also to the square section of the skirt and to the orientation which is given to it. when it is placed on the container, allow the penetration depth of this skirt to be perfectly adjusted on the container neck and even, as shown in FIG. 11, to lower this skirt below the ring of the container 40.
  • Figure 1 shows that the sensor 28, triggering the operation of the stepping motor ensuring the drive of the cylinders 16a and 16b and the drive rollers 18, cooperates with metal studs 64 arranged on the hub 65 of a star 66 mounted freely in rotation on a vertical shaft 67.
  • the studs 64 are the same number as the cells of the star with which they coincide and are intended to trigger the operation of the motor when each container 40 passes.
  • the cylinders 16a and 16b are then driven by a step-by-step motor. no different from that 19 ensuring the drive of the rollers 18, this stepping motor then being triggered only when there has passed, between the two cylinders, a length of sheath equal to the difference between the total length of a section and the length of the circular arc separating two knives 17.
  • the device according to the invention which has been described above in the case of its application to the distribution of decorative skirts, can also be used for the distribution of guarantee skirts or decorative sheath completely enveloping the container.
  • the device is associated with rotary transfer means comprising bosses with the transverse dimension of the containers and suitable, each, to receive a section of sheath delivered by the device.
  • each section is pressed onto its boss which thus ensures its front positioning, that at the transfer station of the additional means slide this section on the underlying container in displacement or not.
  • this device continuously supplying sheath sections can, because of its structure, be used to deliver, at high speed, continuously or discontinuously, sheath sections to containers of any shape, movement or stopped.
  • the device uses sheath comprising two central folds, that is to say having the characteristics of that. leaving the rollers 6.
  • sheath comprising two central folds, that is to say having the characteristics of that. leaving the rollers 6.
  • it does not include the rollers 5, 6 and 2, as well as the polyhedron 4, but only a coil support 2 and guide means lead the preformed sheath to the rollers 10 and to the mechanism downstream which is unchanged.
  • this arrangement makes it possible to shape the sheath at high speed by a specialized, but simple device, and facilitates the loading of the device according to the invention.

Landscapes

  • Wrapping Of Specific Fragile Articles (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Closing Of Containers (AREA)
  • Sealing Of Jars (AREA)
EP82420129A 1982-09-20 1982-09-20 Verfahren und Vorrichtung zum Abgeben von thermo-schrumpfbaren Kappen, die auf sich bewegende Behälter fallen Expired EP0104292B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP82420129A EP0104292B1 (de) 1982-09-20 1982-09-20 Verfahren und Vorrichtung zum Abgeben von thermo-schrumpfbaren Kappen, die auf sich bewegende Behälter fallen
DE198282420129T DE104292T1 (de) 1982-09-20 1982-09-20 Verfahren und vorrichtung zum abgeben von thermo-schrumpfbaren kappen, die auf sich bewegende behaelter fallen.
DE8282420129T DE3274542D1 (en) 1982-09-20 1982-09-20 Method and device for feeding heat-shrinkable covers to fall into moving containers
AT82420129T ATE23982T1 (de) 1982-09-20 1982-09-20 Verfahren und vorrichtung zum abgeben von thermo- schrumpfbaren kappen, die auf sich bewegende behaelter fallen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP82420129A EP0104292B1 (de) 1982-09-20 1982-09-20 Verfahren und Vorrichtung zum Abgeben von thermo-schrumpfbaren Kappen, die auf sich bewegende Behälter fallen

Publications (2)

Publication Number Publication Date
EP0104292A1 true EP0104292A1 (de) 1984-04-04
EP0104292B1 EP0104292B1 (de) 1986-12-03

Family

ID=8189971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82420129A Expired EP0104292B1 (de) 1982-09-20 1982-09-20 Verfahren und Vorrichtung zum Abgeben von thermo-schrumpfbaren Kappen, die auf sich bewegende Behälter fallen

Country Status (3)

Country Link
EP (1) EP0104292B1 (de)
AT (1) ATE23982T1 (de)
DE (2) DE3274542D1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330167A1 (de) * 1988-02-25 1989-08-30 KRONES AG Hermann Kronseder Maschinenfabrik Verfahren zum Aufsetzen einer Schrumpfhülse auf das Verschlussende eines Behälters und zugehörige Vorrichtung
NL1003326C2 (nl) * 1996-06-13 1997-12-17 Machinebouw Veldkamp B V Werkwijze en inrichting voor het aanbrengen van een huls om een verpakking.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148171A (en) * 1977-01-12 1979-04-10 Westlund Gerald D Banding apparatus and method
FR2429178A1 (fr) * 1978-06-19 1980-01-18 Bouchons Plastiques Perfectionnements aux machines de bouchage
FR2503689A1 (fr) * 1981-04-08 1982-10-15 Scheidegger Albert Procede et dispositif pour distribuer a la volee des jupes thermoretractables sur des recipients en mouvement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4148171A (en) * 1977-01-12 1979-04-10 Westlund Gerald D Banding apparatus and method
FR2429178A1 (fr) * 1978-06-19 1980-01-18 Bouchons Plastiques Perfectionnements aux machines de bouchage
FR2503689A1 (fr) * 1981-04-08 1982-10-15 Scheidegger Albert Procede et dispositif pour distribuer a la volee des jupes thermoretractables sur des recipients en mouvement

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0330167A1 (de) * 1988-02-25 1989-08-30 KRONES AG Hermann Kronseder Maschinenfabrik Verfahren zum Aufsetzen einer Schrumpfhülse auf das Verschlussende eines Behälters und zugehörige Vorrichtung
US5001887A (en) * 1988-02-25 1991-03-26 Krones Ag Hermann Kronseder Maschinenfabrik Method for applying a shrink sleeve to the closure end of a container and apparatus for performing such method
NL1003326C2 (nl) * 1996-06-13 1997-12-17 Machinebouw Veldkamp B V Werkwijze en inrichting voor het aanbrengen van een huls om een verpakking.
WO1997047523A1 (en) * 1996-06-13 1997-12-18 Machinebouw Veldkamp B.V. Method and device for providing a sleeve round a container

Also Published As

Publication number Publication date
EP0104292B1 (de) 1986-12-03
DE3274542D1 (en) 1987-01-15
ATE23982T1 (de) 1986-12-15
DE104292T1 (de) 1985-10-10

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