EP2683663A1 - Plunger device for shaping a parison in a mould of a glass-making machine - Google Patents

Plunger device for shaping a parison in a mould of a glass-making machine

Info

Publication number
EP2683663A1
EP2683663A1 EP11710685.6A EP11710685A EP2683663A1 EP 2683663 A1 EP2683663 A1 EP 2683663A1 EP 11710685 A EP11710685 A EP 11710685A EP 2683663 A1 EP2683663 A1 EP 2683663A1
Authority
EP
European Patent Office
Prior art keywords
level
guide sleeve
mold
mould
parison
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Withdrawn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
EP11710685.6A
Other languages
German (de)
French (fr)
Inventor
Jürgen Mayer
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.)
Verallia Deutschland AG
Original Assignee
Saint Gobain Oberland AG
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 Saint Gobain Oberland AG filed Critical Saint Gobain Oberland AG
Publication of EP2683663A1 publication Critical patent/EP2683663A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B9/00Blowing glass; Production of hollow glass articles
    • C03B9/13Blowing glass; Production of hollow glass articles in gob feeder machines
    • C03B9/14Blowing glass; Production of hollow glass articles in gob feeder machines in "blow" machines or in "blow-and-blow" machines
    • C03B9/16Blowing glass; Production of hollow glass articles in gob feeder machines in "blow" machines or in "blow-and-blow" machines in machines with turn-over moulds
    • C03B9/165Details of such machines, e.g. guide funnels, turn-over mechanisms

Definitions

  • Leveling device for shaping a parison in a mold of a glass machine
  • the invention relates to a level device in a form of a glass machine, with a cover ring, which is arranged at the lower end of the mold and by means of which a mouth region of the parison is formed, a level which is movable into and out of the mold, and a guide sleeve which is movable toward and away from the underside of the cover ring arranged on the mold, through which the level can be moved into and out of the mold and by means of which the level can be guided.
  • the present invention seeks to provide a level device for molding a parison in a form of a glass machine, in which the mouth region of the parison can be formed over a sufficiently long period, moreover at earlier than off
  • the level devices known from the prior art can be started with the pre-blowing process.
  • the level of the level device is designed as a level peak
  • the guide sleeve has a projecting towards the upper section, which protrudes in the upper end position of the guide sleeve through the cover ring in the form and a glass contacting level side wall forms, and through the through in the upper end position of the guide sleeve when set back in the downward direction level peak, the mold with blown air can be acted upon.
  • the level device according to the invention can be advantageously designed, if adjoins the level peak a hollow cylinder section having a larger diameter than the level peak and is guided in a extending to the upper portion of the guide sleeve cylinder bore of the guide sleeve.
  • the supply of blown air during Vorblasvorgang can be accomplished advantageously when between the level peak and the hollow cylinder section blown air breakthroughs are arranged, through which blowing air from an interior of the hollow cylinder portion in the cylinder bore of the guide sleeve, past the retracted into the cylinder bore level peak and through the passage the level peak serving opening surface of the upper end portion of the guide sleeve is blown into the mold.
  • An embodiment of a leveling device 1 according to the invention shown in the single figure with respect to its essential components for the present invention serves to form a parison in a form 2 of a glass machine which is merely indicated in the figure.
  • the level device 1 is associated with a cover ring 3, which is arranged at the lower end of the mold 2 in the figure when the parison is formed in the mold 2.
  • a cover ring 3 By means of the cover ring 3 or by means of the correspondingly shaped upper side of the cover ring 3, an opening region of the parison can be formed.
  • To the level device 1 includes a guide sleeve 4 which is movable in relation to the form or the cover ring 3 in the vertical direction, along an axis indicated in phantom in the figure 5 axis. In its shown in the figure Operating position is the guide sleeve 4 against the underside of the cover ring 3. On the upper side of the guide sleeve 4, a protruding in the direction of the upper section 6 is formed, which protrudes in the shown in the figure operating position of the guide sleeve 4 through the cover ring 3 into the mold 2.
  • the upper portion 6 of the guide sleeve 4 has a cylinder bore 7, which on the one hand extends into a lower region of the guide sleeve 4 and on the other hand, that opens at the upper end of the upper portion 6 of the guide sleeve 4, via an opening surface 8 in the mold.
  • the wall of the upper portion 6 of the guide sleeve 4 forms a level side wall 9, which protrudes into the mold 2 and has glass contact during the molding of the parison.
  • a level peak 10 of the level device 1 is arranged within the guide sleeve 4 .
  • the actual level tip 10 is movable within the cylinder bore 7 of the upper section 6 or the guide sleeve 4 and can be inserted into and out of the mold 2 through the opening surface 8 of the upper section 6 of the guide sleeve 4.
  • the level tip 10 merges at its unte ⁇ ren in FIG end portion into a hollow cylinder section 11, the diameter of that of the cylinder bore 7 of the guide sleeve 4 and the upper portion 6 corresponds, so that a precise guidance of the peak level 10 up in the up and down - Is guaranteed movement.
  • blown air openings 12 are formed, through which blowing air for the blowing in the mold 2 acting blowing process through an interior 13 of the hollow cylinder section 11 into the cylinder bore 7 and through the opening surface the same is inflatable in the mold 2.
  • the pre-blowing process it is possible for the pre-blowing process to be started very early.
  • the molding process in the mouth region of the parison can be continued for a long time, even if the Vorblasvorgang is already initiated or running.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

A plunger device for shaping a parison in a mould (2) of a glass-making machine has a top ring (3), which is arranged at the lower end of the mould (2) and by means of which a mouth region of the parison can be shaped, a plunger, which can be moved into and out of the mould (2), and a guiding sleeve (4), which can be moved towards the underside of the top ring arranged on the mould (2) and away from this underside, through which the plunger can be moved into and out of the mould (2) and by means of which the plunger can be guided. To allow the mouth region of the parison to be shaped over a sufficiently long period of time and allow the pre-blowing operation to be commenced earlier than in the case of plunger devices known from the prior art, it is proposed that the plunger is formed as a plunger tip (10), that the guiding sleeve (4) has an upper portion (6), which protrudes in the direction of the mould (2), in the upper end position of the guiding sleeve (4) protrudes through the top ring (3) into the mould (2) and forms a plunger side wall (9) in contact with the glass, and through which blowing air can be applied to the mould (2) in the upper end position of the guiding sleeve (4) when the plunger tip (10) is moved back in the downward direction.

Description

„Pegeleinrichtung zum Ausformen eines Külbels in einer Form einer Glasmaschine" "Leveling device for shaping a parison in a mold of a glass machine"
Die Erfindung bezieht sich auf eine Pegeleinrichtung in einer Form einer Glasmaschine, mit einem Deckring, der am unteren Ende der Form angeordnet und mittels dem ein Mündungsbereich des Külbels ausformbar ist, einem Pegel, der in die Form hinein und aus dieser heraus bewegbar ist, und einer Führungshülse, die zur Unterseite des an der Form angeordneten Deckrings hin und von dieser weg bewegbar ist, durch die hindurch der Pegel in die und aus der Form heraus bewegbar und mittels der der Pegel führbar ist. The invention relates to a level device in a form of a glass machine, with a cover ring, which is arranged at the lower end of the mold and by means of which a mouth region of the parison is formed, a level which is movable into and out of the mold, and a guide sleeve which is movable toward and away from the underside of the cover ring arranged on the mold, through which the level can be moved into and out of the mold and by means of which the level can be guided.
Um in einem an der Glasmaschine in der Form durchzuführenden Blas-Blas-Prozeß ein möglichst homogenes Külbel zu erzeugen, ist es erforderlich, möglichst frühzeitig mit dem Vorblasvorgang zu beginnen. Hierzu steht im Widerspruch, dass die Mündung des Külbels einen längeren Zeitraum benötigt, um ausgeformt zu werden, bevor der Vorblasvorgang eingeleitet werden kann . In order to produce as homogeneous a parison as possible in a blow-and-blow process to be carried out on the glass machine in the mold, it is necessary to start the pre-blowing process as early as possible. This is contradicted by the fact that the mouth of the parison needs a longer period of time to be formed before the Vorblasvorgang can be initiated.
Ausgehend von dem vorstehend geschilderten Stand der Technik liegt der Erfindung die Aufgabe zugrunde eine Pegeleinrichtung zum Ausformen eines Külbels in einer Form einer Glasmaschine zu schaffen, bei der der Mündungsbereich des Külbels über einen ausreichend langen Zeitraum ausgeformt werden kann, wobei darüber hinaus früher bei als aus dem Stand der Technik bekannten Pegeleinrichtungen mit dem Vorblasvorgang begonnen werden kann. Based on the above-described prior art, the present invention seeks to provide a level device for molding a parison in a form of a glass machine, in which the mouth region of the parison can be formed over a sufficiently long period, moreover at earlier than off The level devices known from the prior art can be started with the pre-blowing process.
BESTÄTIGUNGSKOPIE Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass der Pegel der Pegeleinrichtung als Pegelspitze ausgebildet ist, dass die Führungshülse einen in Richtung zur Form vorstehenden oberen Abschnitt aufweist, der in der oberen Endstellung der Führungshülse durch den Deckring in die Form vorsteht und eine in Glaskontakt stehende Pegelseitenwandung ausbildet, und durch den hindurch in der oberen Endstellung der Führungshülse bei in abwärtiger Richtung zurückgestellter Pegelspitze die Form mit Blasluft beaufschlagbar ist. Durch die erfindungsgemäße Zweiteilung der die eigentliche Pegelfunktion ausführenden Bauteile der Pegeleinrichtung in die Pegelspitze einerseits und die durch den oberen Abschnitt der Führungshülse ausgebildete Pegelseitenwandung andererseits wird erreicht, dass die Pegelseitenwandung vergleichsweise lange in der Form bzw. im Glas verbleiben kann, wohingegen die Pegelspitze bei noch in der Form bzw. im Glas befindlicher Pegelseitenwandung bereits in die Führungshülse zurückgezogen sein kann und Blasluft durch die Führungshülse und die zurückgezogene Pegelspitze bereits in die Form hinein geblasen werden kann. Der Vorblasvorgang kann somit bereits laufen, während die durch die Führungshülse ausgebildete Pegelseitenwandung noch in der Form bzw. im Glas steht. CONFIRMATION COPY This object is achieved in that the level of the level device is designed as a level peak, that the guide sleeve has a projecting towards the upper section, which protrudes in the upper end position of the guide sleeve through the cover ring in the form and a glass contacting level side wall forms, and through the through in the upper end position of the guide sleeve when set back in the downward direction level peak, the mold with blown air can be acted upon. By dividing the actual level function exporting components of the level device in the level peak on the one hand and the trained by the upper portion of the guide sleeve Pegelseitenwandung on the other hand ensures that the Pegelseitenwandung can remain comparatively long in the form or in the glass, whereas the level peak at In the form or in the glass befindlicher Pegelseitenwandung may already be withdrawn into the guide sleeve and blast air can be blown through the guide sleeve and the retracted level peak already in the mold. The Vorblasvorgang can thus already run while the formed by the guide sleeve level side wall is still in the form or in the glass.
In technisch-konstruktiv wenig aufwendiger Weise lässt sich die erfindungsgemäße Pegeleinrichtung vorteilhaft ausgestalten, wenn sich an die Pegelspitze ein Hohlzylinderabschnitt anschließt, der einen größeren Durchmesser als die Pegelspitze aufweist und in einer sich bis in den oberen Abschnitt der Führungshülse erstreckenden Zylinderbohrung der Führungshülse geführt ist. Die Zuführung von Blasluft beim Vorblasvorgang kann vorteilhaft bewerkstelligt werden, wenn zwischen der Pegelspitze und dem Hohlzylinderabschnitt Blasluftdurchbrüche angeordnet sind, durch die hindurch Blasluft aus einem Innenraum des Hohlzylinderabschnitts in die Zylinderbohrung der Führungshülse, vorbei an der in die Zylinderbohrung eingezogenen Pegelspitze und durch eine dem Durchtritt der Pegelspitze dienende Öffnungsfläche des oberen Endabschnitts der Führungshülse in die Form einblasbar ist. In a technically-constructively less complicated manner, the level device according to the invention can be advantageously designed, if adjoins the level peak a hollow cylinder section having a larger diameter than the level peak and is guided in a extending to the upper portion of the guide sleeve cylinder bore of the guide sleeve. The supply of blown air during Vorblasvorgang can be accomplished advantageously when between the level peak and the hollow cylinder section blown air breakthroughs are arranged, through which blowing air from an interior of the hollow cylinder portion in the cylinder bore of the guide sleeve, past the retracted into the cylinder bore level peak and through the passage the level peak serving opening surface of the upper end portion of the guide sleeve is blown into the mold.
Im Folgenden wird die Erfindung anhand einer Ausführungsform unter Bezugnahme auf die Zeichnung näher erläutert, in deren einziger Figur die für die vorliegende Erfindung wesentlichen Teile einer erfindungsgemäßen Pegeleinrichtung zum Ausformen eines Külbels in einer Form einer Glasmaschine gezeigt sind. In the following the invention is explained in more detail by means of an embodiment with reference to the drawing, in the single figure of which the essential parts of a level device according to the invention for shaping a parison in a form of a glass machine are shown.
Eine hinsichtlich ihrer für die vorliegende Erfindung wesentlichen Bestandteile in der einzigen Figur gezeigte Ausführungsform einer erfindungsgemäßen Pegeleinrichtung 1 dient dazu, einen Külbel in einer in der Figur lediglich angedeuteten Form 2 einer Glasmaschine auszuformen. An embodiment of a leveling device 1 according to the invention shown in the single figure with respect to its essential components for the present invention serves to form a parison in a form 2 of a glass machine which is merely indicated in the figure.
Der Pegeleinrichtung 1 ist ein Deckring 3 zugeordnet, der beim Ausformen des Külbels in der Form 2 am in der Figur un- teren Ende der Form 2 angeordnet ist. Mittels des Deckrings 3 bzw. mittels der entsprechend gestalteten Oberseite des Deckrings 3 ist ein Mündungsbereich des Külbels ausformbar. The level device 1 is associated with a cover ring 3, which is arranged at the lower end of the mold 2 in the figure when the parison is formed in the mold 2. By means of the cover ring 3 or by means of the correspondingly shaped upper side of the cover ring 3, an opening region of the parison can be formed.
Zu der Pegeleinrichtung 1 gehört eine Führungshülse 4, die in Bezug auf die Form bzw. den Deckring 3 in Vertikalrichtung verfahrbar ist, und zwar längs einer in der Figur strichpunktiert angedeuteten Achse 5. In ihrer in der Figur gezeigten Betriebsstellung liegt die Führungshülse 4 gegen die Unterseite des Deckrings 3 an. Auf der Oberseite der Führungshülse 4 ist ein in Richtung zur Form vorstehender oberer Abschnitt 6 ausgebildet, der in der in der Figur gezeigten Betriebs- Stellung der Führungshülse 4 durch den Deckring 3 hindurch in die Form 2 vorsteht. Der obere Abschnitt 6 der Führungshülse 4 weist eine Zylinderbohrung 7 auf, die sich einerseits bis in einen unteren Bereich der Führungshülse 4 erstreckt und andererseits, d.h. am oberen Ende des oberen Abschnitts 6 der Führungshülse 4, über eine Öffnungsfläche 8 in die Form öffnet . To the level device 1 includes a guide sleeve 4 which is movable in relation to the form or the cover ring 3 in the vertical direction, along an axis indicated in phantom in the figure 5 axis. In its shown in the figure Operating position is the guide sleeve 4 against the underside of the cover ring 3. On the upper side of the guide sleeve 4, a protruding in the direction of the upper section 6 is formed, which protrudes in the shown in the figure operating position of the guide sleeve 4 through the cover ring 3 into the mold 2. The upper portion 6 of the guide sleeve 4 has a cylinder bore 7, which on the one hand extends into a lower region of the guide sleeve 4 and on the other hand, that opens at the upper end of the upper portion 6 of the guide sleeve 4, via an opening surface 8 in the mold.
In der in der einzigen Figur gezeigten Betriebsstellung der Führungshülse 4 bildet die Wandung des oberen Abschnitts 6 der Führungshülse 4 eine Pegelseitenwandung 9, die in die Form 2 vorsteht und beim Ausformen des Külbels Glaskontakt hat . In the operating position of the guide sleeve 4 shown in the single figure, the wall of the upper portion 6 of the guide sleeve 4 forms a level side wall 9, which protrudes into the mold 2 and has glass contact during the molding of the parison.
Innerhalb der Führungshülse 4 ist verschieblich zu dieser und zum Deckring 3 - und zwar ebenfalls längs der Achse 5 - eine Pegelspitze 10 der Pegeleinrichtung 1 angeordnet. Die eigentliche Pegelspitze 10 ist innerhalb der Zylinderbohrung 7 des oberen Abschnitts 6 bzw. der Führungshülse 4 beweglich und durch die Öffnungsfläche 8 des oberen Abschnitts 6 der Füh- rungshülse 4 in die Form 2 einführ- und aus dieser herausziehbar. Die Pegelspitze 10 geht an ihrem in der Figur unte¬ ren Endabschnitt in einen Hohlzylinderabschnitt 11 über, dessen Durchmesser demjenigen der Zylinderbohrung 7 der Führungshülse 4 bzw. des oberen Abschnitts 6 entspricht, so dass eine exakte Führung der Pegelspitze 10 bei deren auf- und ab- wärtiger Bewegung gewährleistet ist. Im Übergangsbereich zwischen der Pegelspitze 10 einerseits und dem Hohlzylinderabschnitt 11 andererseits sind Blasluft- durchbrüche 12 ausgebildet, durch die hindurch Blasluft für den den in der Form 2 befindlichen Külbel beaufschlagenden Blasvorgang durch einen Innenraum 13 des Hohlzylinderabschnitts 11 in die Zylinderbohrung 7 und durch die Öffnungsfläche 8 derselben in die Form 2 einblasbar ist. Within the guide sleeve 4 is displaceable to this and the cover ring 3 - and also along the axis 5 - a level peak 10 of the level device 1 is arranged. The actual level tip 10 is movable within the cylinder bore 7 of the upper section 6 or the guide sleeve 4 and can be inserted into and out of the mold 2 through the opening surface 8 of the upper section 6 of the guide sleeve 4. The level tip 10 merges at its unte ¬ ren in FIG end portion into a hollow cylinder section 11, the diameter of that of the cylinder bore 7 of the guide sleeve 4 and the upper portion 6 corresponds, so that a precise guidance of the peak level 10 up in the up and down - Is guaranteed movement. In the transition region between the level peak 10 on the one hand and the hollow cylinder section 11 on the other hand blown air openings 12 are formed, through which blowing air for the blowing in the mold 2 acting blowing process through an interior 13 of the hollow cylinder section 11 into the cylinder bore 7 and through the opening surface the same is inflatable in the mold 2.
Mit dem Einblasen von Blasluft in die Form 2 der Glasmaschine kann im Falle der vorstehend geschilderten Pegeleinrichtung 1 bereits begonnen werden, sobald die Pegelspitze 10 aus ihrer Betriebsstellung, in der sie durch die Öffnungsfläche 8 in die Form vorsteht, in ihre in der einzigen Figur gezeigte Position zurückgestellt ist. In dieser Position kann die Wan- dung im Mündungsbereich des Külbels durch die mittels des o- beren Abschnitts 6 der Führungshülse 4 ausgebildete Pegelseitenwandung 9 weiterhin gestützt werden. With the blowing of blown air into the mold 2 of the glass machine can be started in the case of the above-described level device 1 as soon as the level peak 10 from its operating position in which it protrudes through the opening surface 8 in the form in their shown in the single figure Position is reset. In this position, the wall in the mouth region of the parison can be further supported by the level side wall 9 formed by means of the upper section 6 of the guide sleeve 4.
Mit der vorstehend geschilderten Pegeleinrichtung ist es ei- nerseits möglich, dass der Vorblasvorgang sehr früh begonnen wird. Andererseits kann der Ausformvorgang im Mündungsbereich des Külbels für längere Zeit fortgesetzt werden, auch wenn der Vorblasvorgang bereits eingeleitet ist bzw. läuft. On the one hand, with the above-described level device, it is possible for the pre-blowing process to be started very early. On the other hand, the molding process in the mouth region of the parison can be continued for a long time, even if the Vorblasvorgang is already initiated or running.

Claims

A T E N T A N S P R Ü C H E : Pegeleinrichtung zum Ausformen eines Külbels in einer Form (2) einer Glasmaschine, mit einem Deckring (3), der am unteren Ende der Form (2) angeordnet und mittels dem ein Mündungsbereich des Külbels ausformbar ist, einem Pegel, der in die Form (2) hinein und aus dieser heraus bewegbar ist, und einer Führungshülse (4), die zur Unterseite des an der Form (2) angeordneten Deckrings hin und von dieser Unterseite weg bewegbar ist, durch die hindurch der Pegel in die und aus der Form (2) heraus bewegbar und mittels der der Pegel führbar ist, dadurch gekennzeichnet, dass der Pegel als Pegelspitze (10) ausgebildet ist, dass die Führungshülse (4) einen in Richtung zur Form (2) vorstehenden oberen Abschnitt (6) aufweist, der in der oberen Endstellung der Führungshülse (4) durch den Deckring (3) in die Form (2) vorsteht und eine in Glaskontakt stehende Pegelseitenwandung (9) ausbildet, und durch den hindurch in der oberen Endstellung der Führungshülse (4) bei in abwärtiger Richtung zurückgestellter Pegelspitze (10) die Form (2) mit Blasluft beaufschlagbar ist. Pegeleinrichtung nach Anspruch 1, bei der sich an die Pegelspitze (10) ein Hohlzylinderabschnitt (11) anschließt, der einen größeren Durchmesser als die Pegelspitze (10) aufweist und in einer sich bis in den oberen AbschnittA leveling device for shaping a parison in a mold (2) of a glass machine, comprising a cover ring (3) arranged at the lower end of the mold (2) and by means of which a mouth region of the parison is deformable the mold (2) is movable into and out of it, and a guide sleeve (4) movable toward and away from the underside of the cover ring disposed on the mold (2), through which the level in and out the shape (2) movable out and by means of the level is feasible, characterized in that the level as a level peak (10) is formed, that the guide sleeve (4) in the direction of the mold (2) projecting upper portion (6) which protrudes in the upper end position of the guide sleeve (4) through the cover ring (3) into the mold (2) and forms a glass-contacting level side wall (9), and through which in the upper end position of the guide sleeve (4 ) with the level tip (10) set back in the downward direction, the mold (2) can be acted upon with blown air. Leveling device according to Claim 1, in which a hollow cylinder section (11), which has a larger diameter than the level tip (10) and in one into the upper section, adjoins the level tip (10)
(6) der Führungshülse (4) erstreckenden Zylinderbohrung(6) of the guide sleeve (4) extending cylinder bore
(7) der Führungshülse (4) geführt ist. Pegeleinrichtung nach Anspruch 2, bei der zwischen der Pegelspitze (10) und dem Hohlzylinderabschnitt (11) Blas- luftdurchbrüche (12) angeordnet sind, durch die hindurch Blasluft aus einem Innenraum (13) des Hohlzylinderabschnitts (11) in die Zylinderbohrung (7) der Führungshülse (4), vorbei an der in die Zylinderbohrung (7) eingezogene Pegelspitze (10) und durch eine dem Durchtritt der Pegelspitze (10) dienende Öffnungsfläche (8) des oberen Abschnitts (6) der Führungshülse (4) in die Form (2) ein- blasbar ist. (7) of the guide sleeve (4) is guided. Leveling device according to Claim 2, in which blower air openings (12) are arranged between the level tip (10) and the hollow cylinder section (11) through which blown air from an interior space (13) of the hollow cylinder section (11) into the cylinder bore (7) Guide sleeve (4), past the in the cylinder bore (7) retracted level peak (10) and by the passage of the level peak (10) serving opening surface (8) of the upper portion (6) of the guide sleeve (4) in the mold (2 ) is blown.
EP11710685.6A 2011-03-11 2011-03-11 Plunger device for shaping a parison in a mould of a glass-making machine Withdrawn EP2683663A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/001211 WO2012122991A1 (en) 2011-03-11 2011-03-11 Plunger device for shaping a parison in a mould of a glass-making machine

Publications (1)

Publication Number Publication Date
EP2683663A1 true EP2683663A1 (en) 2014-01-15

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EP11710685.6A Withdrawn EP2683663A1 (en) 2011-03-11 2011-03-11 Plunger device for shaping a parison in a mould of a glass-making machine

Country Status (4)

Country Link
EP (1) EP2683663A1 (en)
RU (1) RU2551608C2 (en)
UA (1) UA110052C2 (en)
WO (1) WO2012122991A1 (en)

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Title
See also references of WO2012122991A1 *

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WO2012122991A1 (en) 2012-09-20

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